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:
Aug. 07, 1990
Filed:
Mar. 28, 1989
Applicant:
Inventors:
Etienne Susini, Villecresnes, FR;
Pierre Soubrier, Brussels, BE;
Assignee:
Baxter International Inc., Deerfield, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
493341 ; 156515 ; 156553 ; 1565837 ; 219243 ; 493194 ; 493209 ;
Abstract
The invention consists of a device for welding and perforating a thermoplastic film folded back on itself. The device consists of a support for supporting two electrically heated welding strips and a perforation device. The perforation device is movably supported between the welding strips. The support is transversely movable with respect to the film. The welding strips consists of a non-heating portion and a heating portion. The non-heating portion is at least equal in length to the heating portion.