The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 02, 1999
Filed:
Nov. 07, 1997
Satoshi Kume, Tokushima-ken, JP;
Hiroshi Katayama, Tokushima-ken, JP;
Shigenori Tawa, Tokushima-ken, JP;
Michio Ueda, Tokushima-ken, JP;
Shikoku Kakoki Co., Ltd., Tokushima, JP;
Abstract
There is provided a press capable of solving a new problem of breakage of springs and surely applying the pressure for a long period of time in the lateral sealing process in a high-speed filling and packaging apparatus for manufacturing package containers each having a rectangular shape in cross section and filled with a fluid content such as juice. In the press comprising seal bars and a pair of engaging members which are respectively provided at both ends of the seal bars for producing a sealing pressure when they engage with each other for permitting said seal bars to nip a packaging material web which is filled with a fluid content and formed in a tubular shape, the press employs fluid such as air as a means for advancing a piston rod to which the movable engaging member is secured and a pressure sensor is provided for detecting the change of pressure of fluid in an air supply passage.