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:
Jan. 01, 1985
Filed:
Aug. 11, 1983
Applicant:
Inventors:
Rudolf R Weis, Antioch, CA (US);
Rudolph W Schutz, Walnut Creek, CA (US);
Assignee:
Crown Zellerbach Corporation, San Francisco, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
53550 ; 53373 ; 156203 ; 156290 ; 156466 ;
Abstract
Apparatus for securing plastic film about a product including a curved forming plate, sealer means cooperating with the plate to form spaced discrete heat seals in overlapping portions of plastic sheet disposed about the plate and product, and transport means for reciprocatably moving the sealer means so that it remains in engagement with overlapped sheet portions and follows the path of movement thereof for a predetermined period of time.