A peristaltic action pump filler includes a frame for supporting an elongate fill tube. A carriage member is mounted to the frame for reciprocating translation therealong. The carriage member includes a pair of pivotably mounted and oppositely disposed roller assemblies. The roller assemblies are interconnected...http://www.google.de/patents/US5380172?utm_source=gb-gplus-sharePatent US5380172 - Peristaltic action precision pump filler
