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, 1981
Filed:
Feb. 19, 1980
Applicant:
Inventors:
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A43B / ;
U.S. Cl.
CPC ...
36 44 ; 428212 ; 428213 ; 428218 ; 428233 ; 428246 ; 428248 ; 428284 ; 428287 ; 428310 ; 428320 ; 428322 ;
Abstract
In a sheet for the manufacture of cushioned insoles or of inner soles comprising a substrate and a foamed plastic layer the improvement wherein said substrate comprises a bonded fibrous web flame laminated to the foamed plastic layer which comprises a closed-cell crosslinked polyolefin foam. Advantageously a woven covering layer is flame laminated to the opposite surface of the polyolefin foam which comprises polyethylene and has a density of about 25 to 200 kg/m.sup.3 and a thickness of about 1.5 to 15 mm.