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:
May. 08, 2001
Filed:
Mar. 22, 1999
Applicant:
Inventors:
Kenneth Ray Cartmill, Lutz, FL (US);
Gregory Wayne Lynn, Clearwater, FL (US);
Assignee:
Celotex Corporation, Tampa, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/424 ;
U.S. Cl.
CPC ...
B29C 4/424 ;
Abstract
A method for continuously producing a rigid polymer foam in rolled form comprising (a) continuously conveying a carrier along a production line, (b) depositing on the carrier a foam-forming mixture, a regulating means being located on the production line to ensure deposition of only enough of the foam-forming mixture for production, after foaming and curing, of a rigid foam having a maximum thickness of less than 1 inch, (c) foaming and curing the deposited foam-forming mixture to produce a rigid foam, and (d) rolling the rigid foam.