US3922828A - Structural member - Google Patents
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- US3922828A US3922828A US416046A US41604673A US3922828A US 3922828 A US3922828 A US 3922828A US 416046 A US416046 A US 416046A US 41604673 A US41604673 A US 41604673A US 3922828 A US3922828 A US 3922828A
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- molded body
- sheet metal
- plastic
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
Definitions
- a thickness of two inches is familiar in all of these types of building structure components, and widths of four inches, six inches, eight inches and ten inches are equally familiar, four inches being the usual widths of studs and the other widths being found in joists and rafters.
- the principal component of the stud or beam is a molded body having the dimensions of the wooden structure member for which it is a substitute, formed of an expanded synthetic polymer composition.
- the principal component of the stud or beam is a molded body having the dimensions of the wooden structure member for which it is a substitute, formed of an expanded synthetic polymer composition.
- it may be a high impact polyester foam such as polyurethane, polystyrene, polyethylene or polypropylene. It may be a phenolic resin, an epoxy foam or a foamed silicone.
- the body of plastic material has associated with it a strip, preferably coextensive with the body of plastic in its longitudinal dimension, of sheet metal.
- the sheet metal strip may be a surface covering or it may be molded into the interior of the plastic body.
- the metal strip is in channel form adhesively attached to the exterior of the body of plastic material and in accordance with another embodf ment of the invention it is Z-shaped and is entirely encased in the plastic body.
- the metal of which the strip is formed is of a thickness and texture to accommodate penetration by pointed'fastening devices, such as riails, in imperforate areas, but of sufficient thicknessiand stiffness to retain its shape apart from and prior to incorporation into the product.
- the sheet metal performs an important function in the retention of fasteners such as nails and in addition it contributes a reinforcing effect to the finished product.
- FIG. 1 is a perspective view of an end fragment portion of an embodiment of the invention,inthe configuration of a two-by-four with the sheet metal strip carried on the exterior;
- FIG. 2 is a cross-sectional view of a structural member as in FIG. 1 with a fragment of another structural member, which might be a wall panel or a plank, secured thereto by means ofa nail;
- FIG. 3 is a cross-sectional view similar to FIG. 2 but showing an embodiment of the invention in which the sheet metal strip is entirely encased in the plastic material and is Z-shaped;
- FIG. 4 is an end view showing an extension of the concept shown in FIG. 1, to serve the purpose of a rail, such as for aligning and supporting studs.
- the reference numeral 10 designates a body of plastic material, preferably an expanded synthetic polymer composition.
- plastic material preferably an expanded synthetic polymer composition.
- it may be polyurethane, polystyrene, polyethylene or polypropylene. It may be a phenolic resin, an epoxy foam or a foamed silicone. It will be generally identified hereinafter as comprised of a high impact polyester foam.
- the body of polyester foam is surrounded on three sides by, and accordingly fills, a channel designated generally by the reference numeral 12, preferably of sheet metal and comprised of a web portion 14 and side flanges or walls 16.
- the side walls or flanges 16 are, in the embodiment shown in FIG.
- FIG. 1 normal to the web portion 14 and are of equal height. With the exposed surface of the body of polyester foam flat and flush with the free edges of the side walls 16 of the channel 12 the combination of the body of polyester foam and the sheet metal channel has a rectangular cross-section.
- the particular embodiment shown in FIG. 1 has the cross-sectional proportions of a two-byfour, but it will be understood that it could have the cross-sectional proportions of any of the wooden components used in construction projects, such as, for example, one-by-one, two-by-two, two-by-six, two-byeight, two-by-ten, four-by-four, or the proportions of planking. It may correspond in length to any of the usual wooden structural framing components.
- the structural component shown in FIG. 1 may be made by confining the channel 12 on its three sides to prevent deformity of the channel due to expansion of the foamed plastic, by covering the top of the channel 12 to confine the plastic material to the dimensions of the channel 12, and by injecting the polyester foam producing ingredients intothe covered cha nel.
- confining the sheet metal channel to the desired configuration on three sides and confining the polyester foam within the channel expansion of the foam in any direction is prevented and the desired density of the? polyester foam may be achieved.
- Densities of the expanded polymer composition when cured, may be achieved in a range from one pound per cubic foot to densities in the range of forty to fifty pounds per cubic foot.
- white pine generally ranges from twenty-two to about thirtyone pounds per cubic foot and yellow pine from twenty-three to thirty-seven per cubic foot.
- structural components such as exemplified in FIG. 1 which are somewhat lighter than conventionally employed wooden equivalents have as great or greater load bearing capability than the wooden equivalents. They are also chemically and physically stable, are not subject to decay, and are fire resistant to the point of being self-extinguishing.
- the sheet metal of which the channel 12 is formed is preferably a ferrous metal of sufficient thickness to be self-supporting as a channel prior to the filling of the channel with the polyester foam.
- a thickness in a range from 26 to 30 gauge has been found to be adequate for the purpose and its texture should be such that it is readily penetrable by pointed fastening devices such as nails, without prior perforation.
- the polyester foam bonds firmly to the surface of the metal without any special treatment of the metal surface, although the bonding may be enhanced by a previous coating of the metal with any commonly available paint.
- the polyester foam-filled channel may be cut to desired lengths by means of hand tools ordinarily employed on construction jobs.
- FIG. 2 shows a structural component, such as a wall board 20 secured to a stud by means of a nail 22.
- a type of nail which has been found to be well adaped for securing structural components to studs or other structural members is called a ring-shank nail and it is this type of nail that has been shown in FIG. 2.
- the serrated nail a type of nail which has spiral ribs. If the sheet metal has a thickness of 26 to 30 gauge as previously mentioned, the pointed nail 22 may be driven through the imperforate metal.
- the nail in penetrating the metal, deforms the metal inwardly into a somewhat conically shaped ring or ridge as indicated at 24.
- the displaced metal in turn penetrates the plastic and it appears that the penetrated plastic exerts a pressure on the ring tending to force it into contact with the shank of the nail.
- the displacence of plastic by the shank of the nail after it has passed beyond the ring 24 appears to generate a pressure of the plastic upon the shank of the nail and upon the rings of that shank so that in a dense plastic the nail has fairly good gripping properties and reasonable resistence to withdrawal.
- the combination of the sheet metal and the plastic has excellent nail retaining properties. It has been found that the force required to withdraw the nail from the metal clad structural member is comparable with or exceeds the force required to withdraw a nail of equivalent size from an equivalent wooden structural member.
- the composition of the metal may be such that it has memory properties biasing the deformity in the metal into clinging engagement with the shank of the nail.
- imperforate sheet metal As mentioned hereinbefore, it should be understood that the use of perforated metal is not precluded, if for any reason an advantage might result from the use of perforated metal. It would be desirable, in that event, that the perforations be small' relative to the diameter of nails likely to be used, so that regardless of where in relation to the perforations the points of nails might penetrate the metal, substantial deformity of the metal will occur.
- FIG. 3 shows an alternative form of structural element in accordance with the invention, and this has also been shown in the configuration of a two-by-four.
- the sheet metal member 30 is Z-shaped and is entirely encased in the plastic 32.
- the Z-shaped strip of metal 30 which is encased in the plastic member 30 throughout the length of that member serves to reinforce the member and this reinforcement is enhanced if the bends in the metal are quite sharp.
- FIG. 3 shows in fragmentary form panels or other structural members attached to an edge as well as to a face of the plastic two-by-four.
- FIG. 4 represents a track which may be employed, in the position shown, as a floor track for supporting and aligning a row of studs in the construction of a wall. In an inverted position, it may be employed as a ceiling track to fit over and align the studs forming a wall.
- the track member designated generally by the reference numeral 40 resembles the structural member in FIG. 1 in that it is comprised of a body of plastic material 42 encased on three sides by a sheet metal channel comprised of a web portion 44 and side flanges 46.
- the side flanges extend higher than the exposed surface of the body of molded plastic 42 and these extensions 48 preferably bend inwardly slightly at the point where they clear the upper surface of the plastic.
- the exposed surface of the molded plastic member 42 serves as the support for the lower ends of studs, one of which is shown in FIG. 4 and designated by the reference numeral 49, and the studs may be fitted into position by rotating them about their own centers sufficiently to lower them between the extensions 48 of the flanges 46 and then twisting them so that from edge to edge they stand transversely of the molded plastic member 42, the extensions 48 of the flanges 46 being spread apart as the twisting takes place.
- the track member 40 may be nailed to the supporting floor or surface by nails driven downwardly through the exposed surface of the plastic member 42 before or after the studs are mounted, or nails may be driven into the member 44 obliquely downwardly through either or both of the flanges 46 and through the web portion 44 and into the supporting surface.
- studs mounted in position on the track 40 may be secured thereto by nails driven obliquely downwardly through either face of the stud and through its lower end and into the exposed surface of the track 40, or obliquely downwardly through either or both of the extensions 48 of the flanges 46 into the edge of the stud and downwardly through its end and into the plastic portion of the track 40.
- it may be found adequate merely to drive nails straight into the studs from the sides through the extensions 48 of the flanges 46, through the flanges 16 of the stud l2 and into the stud.
- a structural element for incorporation into structures such as private and public buildings and for retaining wall components and the like which comprises:
- an elongate molded body having at least two generally flat surfaces disposed in parallel planes and formed of an expanded synthetic polymer composition
- a sheet metal member encased in the molded body generally coextensive with the molded body longitudinally thereof and said sheet metal body having a Z-shaped cross-sectional configuration and being formed of a metal having sufficient stiffness to provide self maintenance of the Z-shaped cross-section yet having a penetrability to accommodate the driving of nails therethrough and so disposed in said molded body as to have the portions representing the arms of the Z-shape occupying planes generally parallel to and spaced inwardly from the aforementioned flat faces of the molded body and the intermediate portion of the Z-shape extending obliquely of the arms between opposite ends of the said arms of the Z-shape to accommodate penetration of the embedded sheet metal member by nails of appropriate length driven into the molded body from either of the aforementioned flat faces and also nails driven into the molded body between and generally parallel to arms of said Z-shape with resultant deformity of the sheet metal into the portion of the molded body that is backing the sheet metal on the side opposite the side of penetrative
- the molded body has a rectangular cross-section other than square
- the orientation of the Z-shaped metal member disposes the arm portions thereof generally parallel to the planes of the narrow faces of the molded body.
Abstract
A structural member for residential, commercial and other types of buildings, to serve the function of such components as joists, studs and beams, is comprised of a body of high impact plastic with an internal or external strip of sheet metal. The attachment to these structural members of other structural components, such as flooring, ceiling panels or wall panels, is accomplished by pointed fastening devices such as nails penetrating the sheet metal associated with the plastic members. The combination of the metal and the plastic in surface contact with each other will reliably retain these fastenings whereas the plastic alone or the sheet metal alone might be incapable of retaining them.
Description
Unlted States Patent 1 91 1111 3,922,828 Patton 1 1 Dec. 2, 1975 1 1 STRUCTURAL MEMBER 3,484,331 12/1969 Betz 52/309 x 1751 Inventor David Pamm, Orange ijiiiiiii i/lZZZ liitraij... 23/383 73 Assigneez Tridnternational Corporation 3,813,834 6/1974 Davis, Jr. 52/364 X Orange, Calif.
Primary Examiner--Ernest R. Purser [22] 1973 Assistant Examiner-William Randolph [21] Appl. No.: 416,046 Attorney, Agent, or Firml(nobbe, Martens, Olson,
Hubbard & Bear [52] US. Cl. 52/368; 52/309; 52/720;
52/727 57 ABSTRACT [51] Int. Cl. E04C 3/29 5 Field f Search 52/309, 364, 367, 368, A structural member for residential, commercial and 1 52/376 725 other types of buildings, to serve the function of such components asjoists, studs and beams, is comprised of 5 References Cited a body of high impact plastic with an internal or exter- UNITED STATES PATENTS nal strip of sheet metal. The attachment to these structural members of other structural components, such as flooring, ceiling panels or wall panels. is accomplished 2:111:110 3/1938 oenismismsii :1: 52/760 by pointed fastening i Such as nails. Penetrating 2,134,674 10/1938 shermanm 52/376 the sheet metal assoc1ated with the plastlc members. 3017672 H1962 52/241 The combination of the metal and the plastic in sur- 3 03 5/1963 Hanock 5 x face contact with each other will reliably retain these 3,160,280 12/1964 Burch 1. 52/241 fastenings whereas the plastic alone or the sheet metal 3,179,983 4/1965 Webber 52/376 alone might be incapable of retaining them. 3,381,432 5/1968 Brandwein 52/309 3,401,494 9/1968 Anderson 52/309 2 Claims, 4 Drawing Figures US. Patent Dec. 2, 1975 STRUCTURAL MEMBER BACKGROUND OF THE INVENTION It has long been the custom to construct the skeletal portions of small buildings, such as residences, farm buildings, small commercial buildings such as stores, from wooden components. Those skeletal portions of the structure are the floor supports, ceiling supports, roof supports and wall framing, and the elements that make up these skeletal portions of the structures are usually called joists in the case of floor and ceiling structures, rafters in the case of roofsupports, and studs making up the wall framing. A thickness of two inches is familiar in all of these types of building structure components, and widths of four inches, six inches, eight inches and ten inches are equally familiar, four inches being the usual widths of studs and the other widths being found in joists and rafters.
It has been the custom to use wood in the making of these building components. This involved the processing of the wood from forest to finished product including, as a very important step, drying and seasoning of the wood to minimize warping after the wooden element has been incorporated into the framing of a building. Timber being a product of nature, the worlds supply is not inexhaustable, and utilization is constantly increasing as the worlds population increases. Conservation programs, including reforestation, have been launched to replenish the supply of timber but these programs are slow in coming to fruition. Moreover there are significant areas of the world in which timber for supplying these structural components is not available.
SUMMARY OF THE INVENTION It follows from the foregoing that a conveniently usable and inexpensive substitute for wooden studs and other building components is needed, and the present invention embodies such a substitute. In the preferred embodiment of the invention the principal component of the stud or beam is a molded body having the dimensions of the wooden structure member for which it is a substitute, formed of an expanded synthetic polymer composition. For example it may be a high impact polyester foam such as polyurethane, polystyrene, polyethylene or polypropylene. It may be a phenolic resin, an epoxy foam or a foamed silicone. The body of plastic material has associated with it a strip, preferably coextensive with the body of plastic in its longitudinal dimension, of sheet metal. The sheet metal strip may be a surface covering or it may be molded into the interior of the plastic body. In accordance with one embodiment of the invention the metal strip is in channel form adhesively attached to the exterior of the body of plastic material and in accordance with another embodf ment of the invention it is Z-shaped and is entirely encased in the plastic body. The metal of which the strip is formed is of a thickness and texture to accommodate penetration by pointed'fastening devices, such as riails, in imperforate areas, but of sufficient thicknessiand stiffness to retain its shape apart from and prior to incorporation into the product. The sheet metal performs an important function in the retention of fasteners such as nails and in addition it contributes a reinforcing effect to the finished product. If the sheet metal is perforated in areas where nailsare to be driven, the perfora- DESCRIPTION OF THE DRAWINGS For a complete understanding of the invention reference may be had to the following detailed description, to be interpreted in the light of the accompanying drawings wherein:
FIG. 1 is a perspective view of an end fragment portion of an embodiment of the invention,inthe configuration of a two-by-four with the sheet metal strip carried on the exterior;
FIG. 2 is a cross-sectional view of a structural member as in FIG. 1 with a fragment of another structural member, which might be a wall panel or a plank, secured thereto by means ofa nail;
FIG. 3 is a cross-sectional view similar to FIG. 2 but showing an embodiment of the invention in which the sheet metal strip is entirely encased in the plastic material and is Z-shaped; and
FIG. 4 is an end view showing an extension of the concept shown in FIG. 1, to serve the purpose of a rail, such as for aligning and supporting studs.
DETAILED DESCRIPTION Referring now to the drawings and particularly to FIG. I the reference numeral 10 designates a body of plastic material, preferably an expanded synthetic polymer composition. As set forth hereinbefore it may be polyurethane, polystyrene, polyethylene or polypropylene. It may be a phenolic resin, an epoxy foam or a foamed silicone. It will be generally identified hereinafter as comprised of a high impact polyester foam. As indicated in FIG. 1 the body of polyester foam is surrounded on three sides by, and accordingly fills, a channel designated generally by the reference numeral 12, preferably of sheet metal and comprised of a web portion 14 and side flanges or walls 16. The side walls or flanges 16 are, in the embodiment shown in FIG. 1, normal to the web portion 14 and are of equal height. With the exposed surface of the body of polyester foam flat and flush with the free edges of the side walls 16 of the channel 12 the combination of the body of polyester foam and the sheet metal channel has a rectangular cross-section. The particular embodiment shown in FIG. 1 has the cross-sectional proportions of a two-byfour, but it will be understood that it could have the cross-sectional proportions of any of the wooden components used in construction projects, such as, for example, one-by-one, two-by-two, two-by-six, two-byeight, two-by-ten, four-by-four, or the proportions of planking. It may correspond in length to any of the usual wooden structural framing components.
The structural component shown in FIG. 1 may be made by confining the channel 12 on its three sides to prevent deformity of the channel due to expansion of the foamed plastic, by covering the top of the channel 12 to confine the plastic material to the dimensions of the channel 12, and by injecting the polyester foam producing ingredients intothe covered cha nel. By confining the sheet metal channel to the desired configuration on three sides and confining the polyester foam within the channel, expansion of the foam in any direction is prevented and the desired density of the? polyester foam may be achieved.
Densities of the expanded polymer composition, when cured, may be achieved in a range from one pound per cubic foot to densities in the range of forty to fifty pounds per cubic foot. By comparison, white pine generally ranges from twenty-two to about thirtyone pounds per cubic foot and yellow pine from twenty-three to thirty-seven per cubic foot. It has been found that structural components such as exemplified in FIG. 1 which are somewhat lighter than conventionally employed wooden equivalents have as great or greater load bearing capability than the wooden equivalents. They are also chemically and physically stable, are not subject to decay, and are fire resistant to the point of being self-extinguishing.
The sheet metal of which the channel 12 is formed is preferably a ferrous metal of sufficient thickness to be self-supporting as a channel prior to the filling of the channel with the polyester foam. A thickness in a range from 26 to 30 gauge has been found to be adequate for the purpose and its texture should be such that it is readily penetrable by pointed fastening devices such as nails, without prior perforation. The polyester foam bonds firmly to the surface of the metal without any special treatment of the metal surface, although the bonding may be enhanced by a previous coating of the metal with any commonly available paint. The polyester foam-filled channel may be cut to desired lengths by means of hand tools ordinarily employed on construction jobs.
It is the usual custom to secure to framing components such as studs, joists and rafters, other structural components such as flooring planks or panels, in the case of floor joists, wall board panels in the case of studs, and ceiling panels in the case of ceiling joists, by means of nails. FIG. 2 shows a structural component, such as a wall board 20 secured to a stud by means of a nail 22. A type of nail which has been found to be well adaped for securing structural components to studs or other structural members is called a ring-shank nail and it is this type of nail that has been shown in FIG. 2. Another type of nail which has also been found well adapted for use for this purpose is the serrated nail, a type of nail which has spiral ribs. If the sheet metal has a thickness of 26 to 30 gauge as previously mentioned, the pointed nail 22 may be driven through the imperforate metal.
The nail, in penetrating the metal, deforms the metal inwardly into a somewhat conically shaped ring or ridge as indicated at 24. The displaced metal in turn penetrates the plastic and it appears that the penetrated plastic exerts a pressure on the ring tending to force it into contact with the shank of the nail. Depending upon the density of the plastic the displacemment of plastic by the shank of the nail after it has passed beyond the ring 24 appears to generate a pressure of the plastic upon the shank of the nail and upon the rings of that shank so that in a dense plastic the nail has fairly good gripping properties and reasonable resistence to withdrawal. However, with the metal penetrated by the nail and the ring 24 in engagement with the shank of the nail and backed by the plastic, the combination of the sheet metal and the plastic has excellent nail retaining properties. It has been found that the force required to withdraw the nail from the metal clad structural member is comparable with or exceeds the force required to withdraw a nail of equivalent size from an equivalent wooden structural member.
It will be recognized that apart from or in addition to any contribution by the displaced plastic to retention of the nail, either by direct contact of the plastic with the shank of the nail or by the exertion of pressure by the plastic on the outside of the deformity in the metal, the composition of the metal may be such that it has memory properties biasing the deformity in the metal into clinging engagement with the shank of the nail.
With regard to use of imperforate sheet metal, as mentioned hereinbefore, it should be understood that the use of perforated metal is not precluded, if for any reason an advantage might result from the use of perforated metal. It would be desirable, in that event, that the perforations be small' relative to the diameter of nails likely to be used, so that regardless of where in relation to the perforations the points of nails might penetrate the metal, substantial deformity of the metal will occur.
FIG. 3 shows an alternative form of structural element in accordance with the invention, and this has also been shown in the configuration of a two-by-four. In this embodiment of the invention, the sheet metal member 30 is Z-shaped and is entirely encased in the plastic 32. The Z-shaped strip of metal 30 which is encased in the plastic member 30 throughout the length of that member serves to reinforce the member and this reinforcement is enhanced if the bends in the metal are quite sharp.
With the form of the structural member in FIG. 3, panels or other structural components may be secured thereto on any of the four sides, because a nail driven from any side, if of sufficent length, will penetrate and be gripped by the metal contained in the structural member. FIG. 3 shows in fragmentary form panels or other structural members attached to an edge as well as to a face of the plastic two-by-four.
Still another embodiment of a structural member in accordance with the present invention is shown in FIG. 4. It represents a track which may be employed, in the position shown, as a floor track for supporting and aligning a row of studs in the construction of a wall. In an inverted position, it may be employed as a ceiling track to fit over and align the studs forming a wall.
The track member, designated generally by the reference numeral 40 resembles the structural member in FIG. 1 in that it is comprised of a body of plastic material 42 encased on three sides by a sheet metal channel comprised of a web portion 44 and side flanges 46. The side flanges extend higher than the exposed surface of the body of molded plastic 42 and these extensions 48 preferably bend inwardly slightly at the point where they clear the upper surface of the plastic.
The exposed surface of the molded plastic member 42 serves as the support for the lower ends of studs, one of which is shown in FIG. 4 and designated by the reference numeral 49, and the studs may be fitted into position by rotating them about their own centers sufficiently to lower them between the extensions 48 of the flanges 46 and then twisting them so that from edge to edge they stand transversely of the molded plastic member 42, the extensions 48 of the flanges 46 being spread apart as the twisting takes place. The track member 40 may be nailed to the supporting floor or surface by nails driven downwardly through the exposed surface of the plastic member 42 before or after the studs are mounted, or nails may be driven into the member 44 obliquely downwardly through either or both of the flanges 46 and through the web portion 44 and into the supporting surface. Also, studs mounted in position on the track 40 may be secured thereto by nails driven obliquely downwardly through either face of the stud and through its lower end and into the exposed surface of the track 40, or obliquely downwardly through either or both of the extensions 48 of the flanges 46 into the edge of the stud and downwardly through its end and into the plastic portion of the track 40. Alternatively, it may be found adequate merely to drive nails straight into the studs from the sides through the extensions 48 of the flanges 46, through the flanges 16 of the stud l2 and into the stud.
What is claimed is:
l. A structural element for incorporation into structures such as private and public buildings and for retaining wall components and the like which comprises:
an elongate molded body having at least two generally flat surfaces disposed in parallel planes and formed of an expanded synthetic polymer composition; and
a sheet metal member encased in the molded body generally coextensive with the molded body longitudinally thereof and said sheet metal body having a Z-shaped cross-sectional configuration and being formed of a metal having sufficient stiffness to provide self maintenance of the Z-shaped cross-section yet having a penetrability to accommodate the driving of nails therethrough and so disposed in said molded body as to have the portions representing the arms of the Z-shape occupying planes generally parallel to and spaced inwardly from the aforementioned flat faces of the molded body and the intermediate portion of the Z-shape extending obliquely of the arms between opposite ends of the said arms of the Z-shape to accommodate penetration of the embedded sheet metal member by nails of appropriate length driven into the molded body from either of the aforementioned flat faces and also nails driven into the molded body between and generally parallel to arms of said Z-shape with resultant deformity of the sheet metal into the portion of the molded body that is backing the sheet metal on the side opposite the side of penetrative entry of the nail.
2. A structural element as defined in claim 1 wherein:
the molded body has a rectangular cross-section other than square; and
the orientation of the Z-shaped metal member disposes the arm portions thereof generally parallel to the planes of the narrow faces of the molded body.
Claims (2)
1. A structural element for incorporation into structures such as private and public buildings and for retaining wall components and the lIke which comprises: an elongate molded body having at least two generally flat surfaces disposed in parallel planes and formed of an expanded synthetic polymer composition; and a sheet metal member encased in the molded body generally coextensive with the molded body longitudinally thereof and said sheet metal body having a Z-shaped cross-sectional configuration and being formed of a metal having sufficient stiffness to provide self maintenance of the Z-shaped crosssection yet having a penetrability to accommodate the driving of nails therethrough and so disposed in said molded body as to have the portions representing the arms of the Z-shape occupying planes generally parallel to and spaced inwardly from the aforementioned flat faces of the molded body and the intermediate portion of the Z-shape extending obliquely of the arms between opposite ends of the said arms of the Z-shape to accommodate penetration of the embedded sheet metal member by nails of appropriate length driven into the molded body from either of the aforementioned flat faces and also nails driven into the molded body between and generally parallel to arms of said Z-shape with resultant deformity of the sheet metal into the portion of the molded body that is backing the sheet metal on the side opposite the side of penetrative entry of the nail.
2. A structural element as defined in claim 1 wherein: the molded body has a rectangular cross-section other than square; and the orientation of the Z-shaped metal member disposes the arm portions thereof generally parallel to the planes of the narrow faces of the molded body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US416046A US3922828A (en) | 1973-11-15 | 1973-11-15 | Structural member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US416046A US3922828A (en) | 1973-11-15 | 1973-11-15 | Structural member |
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US3922828A true US3922828A (en) | 1975-12-02 |
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US416046A Expired - Lifetime US3922828A (en) | 1973-11-15 | 1973-11-15 | Structural member |
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Cited By (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979867A (en) * | 1975-06-20 | 1976-09-14 | National Gypsum Company | Nailable foam faced board |
US4084368A (en) * | 1976-01-23 | 1978-04-18 | Kenneth Morris Stilts | Apparatus for insulating purlins |
US4109436A (en) * | 1974-11-27 | 1978-08-29 | Adrien Berloty | Reinforced foam building panel element |
US4223501A (en) * | 1978-12-29 | 1980-09-23 | Rocky Mountain Foam Form, Inc. | Concrete form |
US4578909A (en) * | 1982-12-30 | 1986-04-01 | Enercept, Inc. | Insulated building construction |
US4584807A (en) * | 1983-09-12 | 1986-04-29 | Bear Richard W | Composite soffit of plastic material and furring strips |
US4720948A (en) * | 1982-12-30 | 1988-01-26 | Enercept, Inc. | Insulated building construction |
US4879855A (en) * | 1988-04-20 | 1989-11-14 | Berrenberg John L | Attachment and reinforcement member for molded construction forms |
US5051285A (en) * | 1988-07-29 | 1991-09-24 | Pillard Products, Inc. | Plastic piling |
US5180531A (en) * | 1988-07-29 | 1993-01-19 | Vartkes Borzakian | Method of forming plastic piling |
US5363611A (en) * | 1990-09-20 | 1994-11-15 | Anthony's Manufacturing Company, Inc. | Foam rail door |
US5454199A (en) * | 1994-07-01 | 1995-10-03 | I.S.M., Inc. | Wall clip for concrete forming system |
US5459971A (en) * | 1994-03-04 | 1995-10-24 | Sparkman; Alan | Connecting member for concrete form |
US5465542A (en) * | 1992-05-29 | 1995-11-14 | Terry; Verl O. | Interblocking concrete form modules |
US5511355A (en) * | 1991-11-15 | 1996-04-30 | Dingler; Gerhard | Construction element |
US5566518A (en) * | 1994-11-04 | 1996-10-22 | I.S.M., Inc. | Concrete forming system with brace ties |
US5568710A (en) * | 1994-07-01 | 1996-10-29 | I.S.M., Inc. | Concrete forming system with expanded metal tie |
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US6453631B1 (en) * | 1999-12-08 | 2002-09-24 | Endura Products, Inc. | Reinforced coextruded plastic jamb |
US20020162295A1 (en) * | 1999-04-05 | 2002-11-07 | Firouzeh Keshmiri | Cementitious based structural lumber product and externally reinforced lightweight retaining wall system |
WO2004022877A1 (en) * | 2002-09-03 | 2004-03-18 | Corus Bausysteme Gmbh | Elongate retaining element |
US20040111997A1 (en) * | 2002-12-16 | 2004-06-17 | Marko Gigiakos | Apparatus and method for fabricating foam wall panels |
US6844040B2 (en) | 2002-10-01 | 2005-01-18 | Arunas Antanas Pabedinskas | Reinforced composite structural members |
EP1236840B1 (en) * | 2001-02-19 | 2006-02-01 | Corus Bausysteme GmbH | Elongate retaining element |
US20060124825A1 (en) * | 2004-11-29 | 2006-06-15 | Victor Amend | Reinforced insulated forms for constructing concrete walls and floors |
US20090277100A1 (en) * | 2006-06-28 | 2009-11-12 | Under-Cover | Construction element for use in interior decoration |
WO2010082163A1 (en) * | 2009-01-16 | 2010-07-22 | Fernandes, Rui | Industrialized environmentally responsible construction system |
US20130004705A1 (en) * | 2011-07-01 | 2013-01-03 | Jaffe Jonathan E | Embedded receiver for fasteners |
US20140203230A1 (en) * | 2013-01-21 | 2014-07-24 | Enduris Extrusions, Inc. | Fence system with variable rail reinforcement |
USD806270S1 (en) * | 2016-06-03 | 2017-12-26 | Jose Constantino Moreno | Hybrid stud |
US9957727B1 (en) * | 2017-05-09 | 2018-05-01 | Ryan L. Rush | Form liner for fabricating non-linear shapes |
US20190136532A1 (en) * | 2017-11-03 | 2019-05-09 | Axion Structural Innovations | Structural reinforced composite beam |
US10371189B2 (en) | 2017-02-22 | 2019-08-06 | Illinois Tool Works Inc. | Nail with a head having an inwardly curved top surface |
USD867865S1 (en) * | 2017-02-22 | 2019-11-26 | Illinois Tool Works Inc. | Nail with a head having an inwardly curved top surface |
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US4109436A (en) * | 1974-11-27 | 1978-08-29 | Adrien Berloty | Reinforced foam building panel element |
US3979867A (en) * | 1975-06-20 | 1976-09-14 | National Gypsum Company | Nailable foam faced board |
US4084368A (en) * | 1976-01-23 | 1978-04-18 | Kenneth Morris Stilts | Apparatus for insulating purlins |
US4223501A (en) * | 1978-12-29 | 1980-09-23 | Rocky Mountain Foam Form, Inc. | Concrete form |
US4578909A (en) * | 1982-12-30 | 1986-04-01 | Enercept, Inc. | Insulated building construction |
US4720948A (en) * | 1982-12-30 | 1988-01-26 | Enercept, Inc. | Insulated building construction |
US4584807A (en) * | 1983-09-12 | 1986-04-29 | Bear Richard W | Composite soffit of plastic material and furring strips |
US4879855A (en) * | 1988-04-20 | 1989-11-14 | Berrenberg John L | Attachment and reinforcement member for molded construction forms |
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US5180531A (en) * | 1988-07-29 | 1993-01-19 | Vartkes Borzakian | Method of forming plastic piling |
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US5658519A (en) * | 1993-07-12 | 1997-08-19 | Seaward International, Inc. | Reinforced plastic piling and method and apparatus for making same |
US5459971A (en) * | 1994-03-04 | 1995-10-24 | Sparkman; Alan | Connecting member for concrete form |
US5584153A (en) * | 1994-03-29 | 1996-12-17 | Loadmaster Systems, Inc. | Composite roof system with an improved anchoring mechanism |
US5568710A (en) * | 1994-07-01 | 1996-10-29 | I.S.M., Inc. | Concrete forming system with expanded metal tie |
US5454199A (en) * | 1994-07-01 | 1995-10-03 | I.S.M., Inc. | Wall clip for concrete forming system |
US5709060A (en) * | 1994-11-04 | 1998-01-20 | I.S.M., Inc. | Concrete forming system with brace ties |
US5845449A (en) * | 1994-11-04 | 1998-12-08 | I.S.M., Inc. | Concrete forming system with brace ties |
US5566518A (en) * | 1994-11-04 | 1996-10-22 | I.S.M., Inc. | Concrete forming system with brace ties |
US6061995A (en) * | 1996-03-04 | 2000-05-16 | National Gypsum Company | Composite structural member and wall assembly method |
US6412247B1 (en) | 1996-03-04 | 2002-07-02 | National Gypsum Properties, Llc | Composite structural member and wall assembly method |
US6195946B1 (en) | 1996-05-29 | 2001-03-06 | Lott's Concrete Products, Inc. | Forming apparatus and method for thermally insulated concrete wall |
US5924247A (en) * | 1996-05-29 | 1999-07-20 | Lott's Concrete Products, Inc. | Lightweight structural panel configured to receive poured concrete and used in wall construction |
GB2337540A (en) * | 1998-05-15 | 1999-11-24 | Keystone Lintels Ltd | A lintel with means for securing a block of insulating material |
GB2337540B (en) * | 1998-05-15 | 2000-06-21 | Keystone Lintels Ltd | Lintels |
US20040144059A1 (en) * | 1999-04-05 | 2004-07-29 | Firouzeh Keshmiri | Cementitious based structural lumber product and externally reinforced lighweight retaining wall system |
US20020162295A1 (en) * | 1999-04-05 | 2002-11-07 | Firouzeh Keshmiri | Cementitious based structural lumber product and externally reinforced lightweight retaining wall system |
US6976345B2 (en) * | 1999-04-05 | 2005-12-20 | Firouzeh Keshmiri | Cementitious based structural lumber product and externally reinforced lightweight retaining wall system |
US6911076B2 (en) | 1999-04-05 | 2005-06-28 | Firouzeh Keshmiri | Cementitious based structural lumber product and externally reinforced lightweight retaining wall system |
US6453631B1 (en) * | 1999-12-08 | 2002-09-24 | Endura Products, Inc. | Reinforced coextruded plastic jamb |
EP1236840B1 (en) * | 2001-02-19 | 2006-02-01 | Corus Bausysteme GmbH | Elongate retaining element |
CN1678805B (en) * | 2002-09-03 | 2010-04-28 | 科鲁斯建筑系统有限公司 | Elongate retaining element |
WO2004022877A1 (en) * | 2002-09-03 | 2004-03-18 | Corus Bausysteme Gmbh | Elongate retaining element |
US7603825B2 (en) | 2002-09-03 | 2009-10-20 | Corus Bausysteme Gmbh | Elongate retaining element |
US6844040B2 (en) | 2002-10-01 | 2005-01-18 | Arunas Antanas Pabedinskas | Reinforced composite structural members |
US20040111997A1 (en) * | 2002-12-16 | 2004-06-17 | Marko Gigiakos | Apparatus and method for fabricating foam wall panels |
US7162847B2 (en) * | 2002-12-16 | 2007-01-16 | Marko Gigiakos | Apparatus and method for fabricating foam wall panels |
US20070119118A1 (en) * | 2002-12-16 | 2007-05-31 | Marko Gigiakos | Apparatus And Method For Fabricating Foam Wall Panels |
US20060124825A1 (en) * | 2004-11-29 | 2006-06-15 | Victor Amend | Reinforced insulated forms for constructing concrete walls and floors |
US8997420B2 (en) * | 2004-11-29 | 2015-04-07 | Victor Amend | Reinforced insulated forms for constructing concrete walls and floors |
US20090277100A1 (en) * | 2006-06-28 | 2009-11-12 | Under-Cover | Construction element for use in interior decoration |
US8863457B2 (en) * | 2006-06-28 | 2014-10-21 | Under-Cover | Construction element for use in interior decoration |
WO2010082163A1 (en) * | 2009-01-16 | 2010-07-22 | Fernandes, Rui | Industrialized environmentally responsible construction system |
FR2941247A1 (en) * | 2009-01-16 | 2010-07-23 | Fernandes Rui | ECORESPONSABLE CONSTRUCTION SYSTEM INDUSTRIALIZED. |
US20130004705A1 (en) * | 2011-07-01 | 2013-01-03 | Jaffe Jonathan E | Embedded receiver for fasteners |
US9080291B2 (en) * | 2011-07-01 | 2015-07-14 | Jonathan E. Jaffe | Embedded receiver for fasteners |
US20140203230A1 (en) * | 2013-01-21 | 2014-07-24 | Enduris Extrusions, Inc. | Fence system with variable rail reinforcement |
US9512634B2 (en) * | 2013-01-21 | 2016-12-06 | Enduris Extrusions, Inc. | Fence system with variable rail reinforcement |
US20170298649A1 (en) * | 2013-01-21 | 2017-10-19 | Enduris Extrusions, Inc. | Fence system with variable rail reinforcement |
USD806270S1 (en) * | 2016-06-03 | 2017-12-26 | Jose Constantino Moreno | Hybrid stud |
US10371189B2 (en) | 2017-02-22 | 2019-08-06 | Illinois Tool Works Inc. | Nail with a head having an inwardly curved top surface |
USD867865S1 (en) * | 2017-02-22 | 2019-11-26 | Illinois Tool Works Inc. | Nail with a head having an inwardly curved top surface |
USD884466S1 (en) | 2017-02-22 | 2020-05-19 | Illinois Tool Works Inc. | Nail with a head having an inwardly curved top surface |
US10808742B2 (en) | 2017-02-22 | 2020-10-20 | Illinois Tool Works Inc. | Nail with a head having an inwardly curved top surface |
US9957727B1 (en) * | 2017-05-09 | 2018-05-01 | Ryan L. Rush | Form liner for fabricating non-linear shapes |
US20190136532A1 (en) * | 2017-11-03 | 2019-05-09 | Axion Structural Innovations | Structural reinforced composite beam |
US11248383B2 (en) | 2018-09-21 | 2022-02-15 | Cooper E. Stewart | Insulating concrete form apparatus |
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