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. 27, 1991
Filed:
Feb. 01, 1990
Applicant:
Inventor:
Michael J McMahon, Palatine, IL (US);
Assignee:
Zip-Pak Incorporated, Northbrook, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ;
U.S. Cl.
CPC ...
531334 ; 531392 ; 53551 ; 493302 ; 493923 ;
Abstract
A zipper guide tracking device and method whereby zipper profiles on package making film running over a forming shoulder about a forming and filling tube of a form, fill and seal machine are tracked in grooved tracking structure which may comprise either or both of a grooved tracking roller and a grooved tracking bar.