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|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B65B-047/04 B65B-047/00 B65B-043/08 B65B-043/00 B29C-051/38 B29C-051/30|
|미국특허분류(USC)||053/561; 053/456; 264/299|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 25|
A piston-cylinder arrangement is provided for mounting and actuating the lower tool of an indexing packaging machine, which has an annular piston head that has a ratio of outer diameter to inner diameter that is less than two, and which drives a relatively oversized hollow piston rod having a protruding mounting portion that projects upwardly and outwardly from the main cylinder, to the upper end of which is mounted an upper mounting plate connected to the lower tool of a station of the packaging machine. The oversized piston rod or shaft ensures stable ...
What is claimed is: 1. In a packaging machine comprising a main frame, at least one work station having a vertically-movable lower tool and an upper tool for forming a package, means for mounting said lower tool, and an actuator for actuating said lower tool for vertical movement toward and away from said upper tool, the improvement comprising: said actuator for actuating said lower tool for vertical movement comprising a piston-cylinder actuator; said piston-cylinder actuator comprising a main cylinder defining a compression chamber, an annular piston ...