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:
Nov. 21, 1995
Filed:
Apr. 20, 1993
Applicant:
Inventors:
Friedhelm Mundus, Lengerich, DE;
Hans-Ludwig Voss, Tecklenburg, DE;
Assignee:
Windmoeller & Hoelscher, Lengerich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156537 ; 156323 ; 156553 ;
Abstract
An apparatus for sealing superposed film webs or flat lying tubular webs of a thermoplastic synthetic material, including sealing bars heatable by heating appliances, which are displaceable towards each other and away from each other and over whose front surfaces there can be spread a separating sheet of a material not sticking to the synthetic material.