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, 1992
Filed:
Oct. 15, 1990
Applicant:
Inventor:
Per Wolff, Birkerod, DK;
Assignee:
Cellastic A/S, Copenhagen, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B / ;
U.S. Cl.
CPC ...
264345 ; 156145 ; 264230 ; 264234 ; 264235 ; 264346 ;
Abstract
A process for providing a resilient mat having a plurality of adjacent interconnected liquid-filled compartments with walls made of an elastomeric material and which is stable over a long time period, wherein the mat is heated to a temperature above 50.degree. C. until the liquid in the compartments has a pressure below 50% of it's initial pressure.