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:
Feb. 25, 1986
Filed:
Dec. 05, 1983
Applicant:
Inventors:
David G Gluck, St. Petersburg, FL (US);
Alberto DeLeon, Clearwater, FL (US);
John P Oliver, St. Petersburg, FL (US);
Assignee:
The Celotex Corporation, Tampa, FL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08J / ; B29C / ; B29C / ;
U.S. Cl.
CPC ...
4283099 ; 264 453 ; 264 462 ; 264 463 ; 264 50 ; 264 53 ; 264258 ; 264D / ; 425115 ; 4258 / ; 4283144 ; 4283179 ; 4283191 ;
Abstract
A method for continuously producing an insulation board comprising a rigid plastic foam core having two major surfaces and a facing material on one or both of the major surfaces, the method including conveying a facing material along a production line, depositing a partially expanded froth foam of a plastic mixture, which contains at least one frothing agent, on the facing material, and further expanding and curing the froth foam in contact wiht the facing material to form the insulation board. The board is particularly useful as roof insulation.