US20080263867A1 - Method of producing a non-slip patterned sports ball - Google Patents
Method of producing a non-slip patterned sports ball Download PDFInfo
- Publication number
- US20080263867A1 US20080263867A1 US11/796,450 US79645007A US2008263867A1 US 20080263867 A1 US20080263867 A1 US 20080263867A1 US 79645007 A US79645007 A US 79645007A US 2008263867 A1 US2008263867 A1 US 2008263867A1
- Authority
- US
- United States
- Prior art keywords
- sheet
- transparent sheet
- ball
- covering
- covering sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B45/00—Apparatus or methods for manufacturing balls
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/08—Ball covers; Closures therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49712—Ball making
- Y10T29/49714—Hollow ball
Definitions
- This invention relates to a sports ball, more particularly to a method of producing a non-slip patterned sports ball.
- Conventional inflatable balls are generally made from a material, such as leather, polyvinyl chloride (PVC), or polyurethane (PU). Some conventional inflatable balls are provided with patterned designs printed on outer surfaces thereof. The patterned designs of such conventional inflatable balls, however, easily fade, peel off, or discolor after a short period of use.
- PVC polyvinyl chloride
- PU polyurethane
- a back side of a thin film that is about 0.1 mm in thickness is printed with a design through a printing roller.
- the thin film is made of thermoplastic polyurethane (TPU).
- glue is heated and is coated on the printed back side of the thin film, and the printed back side of the thin film is adhered to a covering sheet that is made of ethylene-vinyl acetate copolymer (EVA) and that is used to cover a ball bladder.
- EVA ethylene-vinyl acetate copolymer
- the covering sheet together with the thin film is cut and is then sewn around the ball bladder.
- the conventional inflatable ball produced from the aforementioned method has the following drawbacks:
- the printing roller for printing the design on the back side of the thin film must be specially made which is costly and ultimately results in the high cost of production of the conventional inflatable ball. Further, the high cost of the printing roller makes it impractical to manufacture the inflatable balls in a small batch of a particular design.
- the outer surface of the conventional inflatable ball has no anti-slip surface, so that only minimal frictional forces are generated between the conventional inflatable ball and an athlete's hand.
- the object of the present invention is to provide a method of producing a non-slip patterned sports ball that is capable of overcoming the aforementioned drawbacks of the prior art.
- a method of producing a non-slip patterned sports ball comprises the steps of: (a) thermal-pressing a transparent sheet and a covering sheet together within a mold having an embossing surface so that anti-slip protrusions are formed by the embossing surface on a surface of the transparent sheet opposite to the covering sheet and so that the transparent sheet is adhered to the covering sheet; (b) tailoring each of the transparent sheet and the covering sheet; and (c) sewing the covering sheet around a ball bladder, thereby covering the ball bladder.
- FIG. 1 is a flow chart illustrating the steps involved in a method of producing a non-slip patterned sports ball according to the first preferred embodiment of the present invention
- FIG. 2 is a schematic view of the steps involved in the method of producing the sports ball according to the first preferred embodiment of the present invention
- FIG. 3 is a perspective view of a portion of the sports ball of the present invention.
- FIG. 4 is a flow chart illustrating the steps involved in a method of producing a non-slip patterned sports ball according to the second preferred embodiment of the present invention
- FIG. 5 is a schematic view of the steps involved in the method of producing the sports ball according to the second preferred embodiment of the present invention.
- FIG. 6 is a flow chart illustrating the steps involved in a method of producing a non-slip patterned sport ball according to the third preferred embodiment of the present invention.
- FIG. 7 is a schematic view of the steps involved in the method of producing the sports ball according to the third preferred embodiment of the present invention.
- FIG. 8 is a flow chart illustrating the steps involved in a method of producing a non-slip patterned sports ball according to the fourth preferred embodiment of the present invention.
- FIG. 9 is a schematic view of the steps involved in the method of producing the sports ball according to the fourth preferred embodiment of the present invention.
- FIGS. 1 and 2 illustrate the steps involved in a method of producing a non-slip patterned sports ball according to the first preferred embodiment of the present invention. These steps will be described in greater detail below, in combination with FIG. 3 .
- step (A) pellets 41 are heated and formed into a thermoplastic substrate 4 having a thickness of about 1 mm.
- the substrate 4 is made of a material selected from the group consisting of thermoplastic rubber (TPR), thermoplastic elastomer (TPE), and polyvinyl chloride (PVC).
- TPR thermoplastic rubber
- TPE thermoplastic elastomer
- PVC polyvinyl chloride
- the substrate 4 is made of TPR or TPE.
- step (B) the substrate 4 is sent to a calendering device 91 so that the substrate 4 is formed into a thermoplastic transparent sheet 5 having a thickness less than that of the substrate 4 .
- the calendering device 91 has a plurality of rollers 911 that press the substrate 4 therebetween.
- the thickness of the transparent sheet 5 ranges between 0.3 and 0.6 mm.
- the transparent sheet 5 is placed onto a surface 61 of a covering sheet 6 that has a pattern on one side thereof.
- the covering sheet 6 is made of cloth.
- the cloth may be a woven or non-woven fiber cloth.
- the transparent sheet 5 and the covering sheet 6 together are placed within a flat mold 92 , which has two flat mold parts 921 , 922 .
- the flat mold part 921 has an embossing surface.
- the covering sheet 6 and the transparent sheet 5 together are thermal-pressed between the flat mold parts 921 , 922 . During thermal pressing, the thermoplastic material of the transparent sheet 5 is softened and is forced to penetrate the fiber texture of the covering sheet 6 , thereby adhering the transparent sheet 5 to the covering sheet 6 without using an adhesive.
- the transparent sheet 5 has an adhering surface 51 penetrating the patterned surface 61 of the covering sheet 6 , and an anti-slip surface 52 opposite to the patterned surface 61 .
- the anti-slip surface 52 is formed with anti-slip protrusions 53 (see FIG. 3 ) through the embossing surface of the flat mold part 921 .
- step (D) the transparent sheet 5 and the covering sheet 6 together are tailored and are sewn around a ball bladder 7 , thereby covering the ball bladder 7 .
- the patterned surface 61 of the covering sheet 6 is protected by the transparent sheet 5 , so that after the sports ball of the present invention is used for a period of time, only the anti-slip surface 52 of the transparent sheet 5 will wear away while the patterned surface 61 remains unaffected. As such, the fading, peeling off, and discoloration problems encountered in the conventional sports ball are resolved.
- the covering sheet 6 is made of cloth, which can be easily printed and which does not require printing of a single design in large batches. Hence, high printing flexibility is provided, and the printing price is low, thereby lowering the cost of production to a minimum.
- the anti-slip surface 52 of the transparent sheet 5 allows for large friction to be generated with an athlete's hand, so that the sports ball of the present invention may be easily gripped.
- step B the substrate 4 is calendered (step B) and is formed into the transparent sheet 5
- step D the covering sheet 6 and the transparent sheet 5 together are tailored, but only the covering sheet 6 is sewn around the ball bladder 7 .
- the tailored transparent sheet 5 is coated with an adhesive, and is then adhered to the patterned surface 61 of the covering sheet 6 .
- Step (C) is executed after step (D).
- step (C) the covering sheet 5 , which is sewn around the ball bladder 7 , and the transparent sheet 5 , which is adhered to the covering sheet 5 , are placed within a ball-shaped mold 93 , which has an inner side provided with the embossing surface, and are thermal-pressed.
- a release sheet (not shown) is adhered to the inner side of the ball-shaped mold 93 .
- the pressure inside the ball bladder 7 is increased so that the transparent sheet 5 is pressed against the inner side of the ball-shaped mold 93 and so that the anti-slip protrusions 53 are formed on the anti-slip surface 52 of the transparent sheet 5 .
- the release sheet is removed after the ball-shaped mold 93 is opened.
- step (D) of this embodiment after the covering sheet 6 and the transparent sheet 5 together are tailored, the covering sheet 6 is sewn around the ball bladder 7 , whereas the transparent sheet 5 is temporarily adhered to the inner side of the ball-shaped mold 93 instead of being attached to the covering sheet 6 .
- the covering sheet 6 and the ball bladder 7 are placed in the ball-shaped mold 93 , and the pressure inside the ball bladder 7 is increased so that the patterned surface 61 of the covering sheet 6 contacts the transparent sheet 5 .
- step (C) the ball-shaped mold 93 is subjected to a high frequency or ultrasonic heating, and the pressure inside the ball bladder 7 is further increased. As such, the anti-slip protrusions 53 are formed on the anti-slip surface 52 of the transparent sheet 5 .
- the advantages of the first preferred embodiment are similarly achieved using the third preferred embodiment.
- a method of producing a non-slip patterned sports ball according to the fourth preferred embodiment of the present invention is shown to be similar to the first preferred embodiment.
- the difference between the first and fourth preferred embodiments resides in that the transparent sheet 5 is injection-molded and that steps (A) and (B) are not included in this embodiment.
- the covering sheet 6 is first placed between the flat mold parts 921 , 922 of the flat mold 92 with the patterned surface 61 thereof facing the flat mold part 921 . Then, the transparent sheet 5 is injection-molded over the covering sheet 6 within the flat mold 92 .
- the transparent sheet 5 is therefore adhered to the patterned surface 61 of the covering sheet 6 , and the anti-slip protrusions 53 are formed by the flat mold part 921 .
- step (D) the covering sheet 6 and the transparent sheet 5 are tailored together and are sewn around the ball bladder 7 after thermal-pressing. The advantages of the first preferred embodiment are similarly achieved using the fourth preferred embodiment.
Abstract
A method of producing a non-slip patterned sports ball includes the steps of: (a) thermal-pressing a transparent sheet and a covering sheet together within a mold having an embossing surface so that anti-slip protrusions are formed by the embossing surface on a surface of the transparent sheet opposite to the covering sheet and so that the transparent sheet is adhered to the covering sheet; (b) tailoring each of the transparent sheet and the covering sheet; and (c) sewing the covering sheet around a ball bladder, thereby covering the ball bladder.
Description
- 1. Field of the Invention
- This invention relates to a sports ball, more particularly to a method of producing a non-slip patterned sports ball.
- 2. Description of the Related Art
- Conventional inflatable balls are generally made from a material, such as leather, polyvinyl chloride (PVC), or polyurethane (PU). Some conventional inflatable balls are provided with patterned designs printed on outer surfaces thereof. The patterned designs of such conventional inflatable balls, however, easily fade, peel off, or discolor after a short period of use.
- A typical method of producing a conventional inflatable ball is described below.
- In the first step, a back side of a thin film that is about 0.1 mm in thickness is printed with a design through a printing roller. The thin film is made of thermoplastic polyurethane (TPU).
- In the second step, glue is heated and is coated on the printed back side of the thin film, and the printed back side of the thin film is adhered to a covering sheet that is made of ethylene-vinyl acetate copolymer (EVA) and that is used to cover a ball bladder.
- In the third step, the covering sheet together with the thin film is cut and is then sewn around the ball bladder.
- The conventional inflatable ball produced from the aforementioned method has the following drawbacks:
- 1. The printing roller for printing the design on the back side of the thin film must be specially made which is costly and ultimately results in the high cost of production of the conventional inflatable ball. Further, the high cost of the printing roller makes it impractical to manufacture the inflatable balls in a small batch of a particular design.
- 2. The outer surface of the conventional inflatable ball has no anti-slip surface, so that only minimal frictional forces are generated between the conventional inflatable ball and an athlete's hand.
- Therefore, the object of the present invention is to provide a method of producing a non-slip patterned sports ball that is capable of overcoming the aforementioned drawbacks of the prior art.
- According to this invention, a method of producing a non-slip patterned sports ball comprises the steps of: (a) thermal-pressing a transparent sheet and a covering sheet together within a mold having an embossing surface so that anti-slip protrusions are formed by the embossing surface on a surface of the transparent sheet opposite to the covering sheet and so that the transparent sheet is adhered to the covering sheet; (b) tailoring each of the transparent sheet and the covering sheet; and (c) sewing the covering sheet around a ball bladder, thereby covering the ball bladder.
- Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiments of the invention, with reference to the accompanying drawings, in which:
-
FIG. 1 is a flow chart illustrating the steps involved in a method of producing a non-slip patterned sports ball according to the first preferred embodiment of the present invention; -
FIG. 2 is a schematic view of the steps involved in the method of producing the sports ball according to the first preferred embodiment of the present invention; -
FIG. 3 is a perspective view of a portion of the sports ball of the present invention; -
FIG. 4 is a flow chart illustrating the steps involved in a method of producing a non-slip patterned sports ball according to the second preferred embodiment of the present invention; -
FIG. 5 is a schematic view of the steps involved in the method of producing the sports ball according to the second preferred embodiment of the present invention; -
FIG. 6 is a flow chart illustrating the steps involved in a method of producing a non-slip patterned sport ball according to the third preferred embodiment of the present invention; -
FIG. 7 is a schematic view of the steps involved in the method of producing the sports ball according to the third preferred embodiment of the present invention; -
FIG. 8 is a flow chart illustrating the steps involved in a method of producing a non-slip patterned sports ball according to the fourth preferred embodiment of the present invention; and -
FIG. 9 is a schematic view of the steps involved in the method of producing the sports ball according to the fourth preferred embodiment of the present invention. - Before the present invention is described in greater detail, it should be noted that same reference numerals have been used to denote like elements throughout the specification.
-
FIGS. 1 and 2 illustrate the steps involved in a method of producing a non-slip patterned sports ball according to the first preferred embodiment of the present invention. These steps will be described in greater detail below, in combination withFIG. 3 . - In step (A),
pellets 41 are heated and formed into athermoplastic substrate 4 having a thickness of about 1 mm. Thesubstrate 4 is made of a material selected from the group consisting of thermoplastic rubber (TPR), thermoplastic elastomer (TPE), and polyvinyl chloride (PVC). Preferably, thesubstrate 4 is made of TPR or TPE. - In step (B), the
substrate 4 is sent to acalendering device 91 so that thesubstrate 4 is formed into a thermoplastictransparent sheet 5 having a thickness less than that of thesubstrate 4. Thecalendering device 91 has a plurality ofrollers 911 that press thesubstrate 4 therebetween. The thickness of thetransparent sheet 5 ranges between 0.3 and 0.6 mm. - In step (C), the
transparent sheet 5 is placed onto asurface 61 of acovering sheet 6 that has a pattern on one side thereof. The coveringsheet 6 is made of cloth. The cloth may be a woven or non-woven fiber cloth. Thetransparent sheet 5 and the coveringsheet 6 together are placed within aflat mold 92, which has twoflat mold parts flat mold part 921 has an embossing surface. The coveringsheet 6 and thetransparent sheet 5 together are thermal-pressed between theflat mold parts transparent sheet 5 is softened and is forced to penetrate the fiber texture of thecovering sheet 6, thereby adhering thetransparent sheet 5 to the coveringsheet 6 without using an adhesive. As such, thetransparent sheet 5 has anadhering surface 51 penetrating the patternedsurface 61 of thecovering sheet 6, and ananti-slip surface 52 opposite to the patternedsurface 61. Theanti-slip surface 52 is formed with anti-slip protrusions 53 (seeFIG. 3 ) through the embossing surface of theflat mold part 921. - In step (D), the
transparent sheet 5 and the coveringsheet 6 together are tailored and are sewn around aball bladder 7, thereby covering theball bladder 7. - From the aforementioned description, the advantages of the sports ball produced using the method according to the first preferred embodiment of the present invention can be summarized as follows:
- 1. The
patterned surface 61 of thecovering sheet 6 is protected by thetransparent sheet 5, so that after the sports ball of the present invention is used for a period of time, only theanti-slip surface 52 of thetransparent sheet 5 will wear away while thepatterned surface 61 remains unaffected. As such, the fading, peeling off, and discoloration problems encountered in the conventional sports ball are resolved. - 2. The covering
sheet 6 is made of cloth, which can be easily printed and which does not require printing of a single design in large batches. Hence, high printing flexibility is provided, and the printing price is low, thereby lowering the cost of production to a minimum. - 3. The
anti-slip surface 52 of thetransparent sheet 5 allows for large friction to be generated with an athlete's hand, so that the sports ball of the present invention may be easily gripped. - Referring to
FIGS. 4 and 5 , in combination withFIG. 3 , a method of producing a non-slip patterned sports ball according to the second preferred embodiment of the present invention is shown to be similar to the first preferred embodiment. The difference between the first and second preferred embodiments resides in the sequence of the processing steps. In this embodiment, after thesubstrate 4 is calendered (step B) and is formed into thetransparent sheet 5, step (D) is executed, i.e., thecovering sheet 6 and thetransparent sheet 5 together are tailored, but only thecovering sheet 6 is sewn around theball bladder 7. The tailoredtransparent sheet 5 is coated with an adhesive, and is then adhered to the patternedsurface 61 of thecovering sheet 6. - Step (C) is executed after step (D). In step (C), the
covering sheet 5, which is sewn around theball bladder 7, and thetransparent sheet 5, which is adhered to thecovering sheet 5, are placed within a ball-shapedmold 93, which has an inner side provided with the embossing surface, and are thermal-pressed. A release sheet (not shown) is adhered to the inner side of the ball-shapedmold 93. The pressure inside theball bladder 7 is increased so that thetransparent sheet 5 is pressed against the inner side of the ball-shapedmold 93 and so that theanti-slip protrusions 53 are formed on theanti-slip surface 52 of thetransparent sheet 5. The release sheet is removed after the ball-shapedmold 93 is opened. The advantages of the first preferred embodiment are similarly achieved using the second preferred embodiment. - Referring to
FIGS. 6 and 7 , in combination withFIG. 3 , a method of producing a non-slip patterned sports ball according to the third preferred embodiment of the present invention is shown to be similar to the second preferred embodiment. However, in step (D) of this embodiment, after thecovering sheet 6 and thetransparent sheet 5 together are tailored, thecovering sheet 6 is sewn around theball bladder 7, whereas thetransparent sheet 5 is temporarily adhered to the inner side of the ball-shapedmold 93 instead of being attached to thecovering sheet 6. Thecovering sheet 6 and theball bladder 7 are placed in the ball-shapedmold 93, and the pressure inside theball bladder 7 is increased so that the patternedsurface 61 of thecovering sheet 6 contacts thetransparent sheet 5. To carry out step (C), the ball-shapedmold 93 is subjected to a high frequency or ultrasonic heating, and the pressure inside theball bladder 7 is further increased. As such, theanti-slip protrusions 53 are formed on theanti-slip surface 52 of thetransparent sheet 5. The advantages of the first preferred embodiment are similarly achieved using the third preferred embodiment. - Referring to
FIGS. 8 and 9 , in combination withFIG. 3 , a method of producing a non-slip patterned sports ball according to the fourth preferred embodiment of the present invention is shown to be similar to the first preferred embodiment. The difference between the first and fourth preferred embodiments resides in that thetransparent sheet 5 is injection-molded and that steps (A) and (B) are not included in this embodiment. In particular, for thermal-pressing, thecovering sheet 6 is first placed between theflat mold parts flat mold 92 with the patternedsurface 61 thereof facing theflat mold part 921. Then, thetransparent sheet 5 is injection-molded over the coveringsheet 6 within theflat mold 92. Thetransparent sheet 5 is therefore adhered to the patternedsurface 61 of thecovering sheet 6, and theanti-slip protrusions 53 are formed by theflat mold part 921. In step (D), thecovering sheet 6 and thetransparent sheet 5 are tailored together and are sewn around theball bladder 7 after thermal-pressing. The advantages of the first preferred embodiment are similarly achieved using the fourth preferred embodiment. - While the present invention has been described in connection with what are considered the most practical and preferred embodiments, it is understood that this invention is not limited to the disclosed embodiments but is intended to cover various arrangements included within the spirit and scope of the broadest interpretations and equivalent arrangements.
Claims (9)
1. A method of producing a non-slip patterned sports ball, comprising:
(a) thermal-pressing a transparent sheet and a covering sheet together within a mold having an embossing surface so that anti-slip protrusions are formed by the embossing surface on a surface of the transparent sheet opposite to the covering sheet and so that the transparent sheet is adhered to the covering sheet;
(b) tailoring each of the transparent sheet and the covering sheet; and
(c) sewing the covering sheet around a ball bladder, thereby covering the ball bladder.
2. The method of claim 1 , wherein the transparent sheet is made of a material selected from the group consisting of thermoplastic rubber (TPR), thermoplastic elastomer (TPE), and polyvinyl chloride (PVC).
3. The method of claim 1 , wherein the covering sheet is made of cloth, and has a patterned surface covered by the transparent sheet.
4. The method of claim 3 , wherein:
the mold has two flat mold parts one of which has the embossing surface;
the transparent sheet and the covering sheet are thermal-pressed together between the flat mold parts before being tailored;
no adhesive is used between the transparent sheet and the covering sheet during thermal-pressing; and
the transparent sheet and the covering sheet are tailored together after thermal-pressing.
5. The method of claim 4 , further comprising a calendering process to form the transparent sheet, wherein the transparent sheet has a thickness ranging between 0.3 and 0.6 mm.
6. The method of claim 4 , further comprising an injection-molding process to mold the transparent sheet directly over the covering sheet within the mold and to thermal-press the transparent sheet and the covering sheet.
7. The method of claim 3 , wherein:
the covering sheet, after being tailored, is sewn around the ball bladder;
the mold is a ball-shaped mold having an inner side provided with the embossing surface;
the covering sheet sewn around the ball bladder and the transparent sheet which is tailored are placed within the ball-shaped mold during thermal-pressing; and
the pressure inside the ball bladder is increased during thermal-pressing so that the anti-slip protrusions are formed on the transparent sheet and the transparent sheet is adhered to the covering sheet.
8. The method of claim 7 , further comprising attaching the transparent sheet which has been tailored to the covering sheet which is sewn around the ball bladder before thermal pressing.
9. The method of claim 7 , further comprising attaching temporarily the transparent sheet which has been tailored to the inner side of the ball-shaped mold before the covering sheet and the ball bladder are placed in the ball-shaped mold.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/796,450 US20080263867A1 (en) | 2007-04-27 | 2007-04-27 | Method of producing a non-slip patterned sports ball |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US11/796,450 US20080263867A1 (en) | 2007-04-27 | 2007-04-27 | Method of producing a non-slip patterned sports ball |
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US20080263867A1 true US20080263867A1 (en) | 2008-10-30 |
Family
ID=39885298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/796,450 Abandoned US20080263867A1 (en) | 2007-04-27 | 2007-04-27 | Method of producing a non-slip patterned sports ball |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090194221A1 (en) * | 2008-01-31 | 2009-08-06 | Tian-Lai Cheng | Method for manufacturing ball with color impression |
US20220030988A1 (en) * | 2020-08-03 | 2022-02-03 | Matthew Furstenburg | Athletic glove with high-grip surface |
CN114055820A (en) * | 2021-11-15 | 2022-02-18 | 东莞市赫柏运动用品有限公司 | Sport ball sheet, sport ball production process and sport ball production mold |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5181717A (en) * | 1989-03-03 | 1993-01-26 | Adidas Sarragan France | Inflated sports ball |
US5384083A (en) * | 1992-08-14 | 1995-01-24 | The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration | Method for forming a glove attachment |
US5759123A (en) * | 1996-12-24 | 1998-06-02 | Ou; Tsung Ming | Sewing rubber american football and manufacturing method therof |
US7335274B2 (en) * | 2003-12-22 | 2008-02-26 | Shin-Etsu Polumer Co., Ltd. | Production method of decorative film |
-
2007
- 2007-04-27 US US11/796,450 patent/US20080263867A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5181717A (en) * | 1989-03-03 | 1993-01-26 | Adidas Sarragan France | Inflated sports ball |
US5384083A (en) * | 1992-08-14 | 1995-01-24 | The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration | Method for forming a glove attachment |
US5759123A (en) * | 1996-12-24 | 1998-06-02 | Ou; Tsung Ming | Sewing rubber american football and manufacturing method therof |
US7335274B2 (en) * | 2003-12-22 | 2008-02-26 | Shin-Etsu Polumer Co., Ltd. | Production method of decorative film |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090194221A1 (en) * | 2008-01-31 | 2009-08-06 | Tian-Lai Cheng | Method for manufacturing ball with color impression |
US20220030988A1 (en) * | 2020-08-03 | 2022-02-03 | Matthew Furstenburg | Athletic glove with high-grip surface |
US11800906B2 (en) * | 2020-08-03 | 2023-10-31 | Matthew Furstenburg | Athletic glove with high-grip surface |
CN114055820A (en) * | 2021-11-15 | 2022-02-18 | 东莞市赫柏运动用品有限公司 | Sport ball sheet, sport ball production process and sport ball production mold |
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