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:
Apr. 28, 1987
Filed:
Oct. 04, 1985
Applicant:
Inventors:
Paul Andorf, Wettstetten, DE;
Hans Jager, Weinheim, DE;
Assignee:
Firma Carl Freudenberg, Weinheim/Bergstr, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428217 ; 1562722 ; 428 36 ; 428159 ; 428161 ; 428163 ; 4283186 ; 4283193 ;
Abstract
An article has a wall with a first, continuous region and a second, smaller region on the first region and integrally mereged with the first region thereat, both wall regions being made of PVC materials for so integrally merging by the common PVC constituent thereof in the process of forming the regions one on the other. The second wall region is preferably made harder by irradiation crosslinking after forming the regions.