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.

Date of Patent:
Jul. 14, 1987

Filed:

Dec. 03, 1985
Applicant:
Inventors:

Heinz Focke, Verden, DE;

Oskar Balmer, Verden, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B31B / ; B31B / ;
U.S. Cl.
CPC ...
493197 ; 493205 ; 493209 ;
Abstract

Bags for packaging cut tobacco are severed from a continuous longitudinally moving film sheet along transverse welding seams 28 which are made by a thermal welding unit 29 having three, transverse-welding jaws, during each working cycle. The welding unit can be moved to and fro and is movable with the film sheet 25 for a part section (conveying section). During the return movement of the welding unit to its starting position, the film sheet is conveyed onwards by a special draw element, until a conveying cycle has been completed.


Find Patent Forward Citations

Focke, Heinz. (1987). Apparatus for producing bags from a tubular sheet of thermally weldable (U.S. Patent No. 4680024). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4680024

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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