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:
Oct. 14, 1986

Filed:

Sep. 20, 1984
Applicant:
Inventors:

Dana M Boyd, Rushville, NY (US);

Franz Bustin, Rochester, NY (US);

Assignee:

Mobil Oil Corporation, New York, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B31B / ;
U.S. Cl.
CPC ...
493248 ; 493243 ; 493440 ;
Abstract

An improved former and method of forming superposed hems in superposed panels forming a continuous pliable and foldable web, especially thin plastifilm panels for forming plastic bags includes a first turning edge for turning at least an intermediate portion of the superposed panels from a first direction to a second direction, a second turning edge adjoining one side of the first turning edge for turning superposed free side edge portions of the web transverse to the intermediate portions and third and fourth turning edges spanning both the turned intermediate portions and turned side edge portions of the web for turning a separate one of the side edge portions against the turned intermediate portion thereby forming the hem.


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