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:
Feb. 12, 1991
Filed:
Jul. 13, 1990
Applicant:
Inventor:
Hugo Boeckmann, Arlington Heights, IL (US);
Assignee:
Zip-Pak Incorporated, Northbrook, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
53552 ; 53451 ; 53551 ; 53575 ;
Abstract
An apparatus for forming bags from a thin plastic film in a tube form fill operation wherein plastic film is fed over the outer surface of the tube and the edges of the film are joined to provide a bag tube and an antistatic friction reduction surface treatment is provided on the outer surface of the tube for encouraging sliding movement of the film and insuring uniform feed with the friction reducing and electrically insulating material in the form of a plastic coating or ribs to produce the desired result.