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:
Oct. 16, 1979
Filed:
Mar. 30, 1977
Applicant:
Inventor:
John G Tillotson, Dalton, GA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 95 ; 156 72 ; 156 79 ; 156322 ; 156499 ; 156543 ; 156555 ; 428 97 ; 428310 ; 428315 ; 428425 ;
Abstract
A method of forming a layer of blown cellular urethane on a carpet backing comprising the steps of providing a mixture of reactive urethane forming agents, shaping the reactive mixture into a layer upon a latex film, applying the underside of a heated carpet backing directly to the layer of reactive mixture, and heating the layer of reactive mixture to expedite reaction of the reactive mixture and chemical blowing of the reactive mixture into an enlarged layer of cellular urethane on the carpet backing between the backing and the latex film. Apparatus for performing the method is disclosed as is the resultant product.