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:
Sep. 27, 1994
Filed:
Jun. 18, 1993
Applicant:
Inventors:
John D Bambara, Osterville, MA (US);
Jon A Glydon, West Barnstable, MA (US);
Assignee:
Earth & Ocean Sports, Inc., Hyannis, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264 25 ; 264 48 ; 264138 ; 264293 ; 264321 ;
Abstract
A method for the preparation of a cross-linked, rigid, polyethylene, foam sheet product, which method comprises heating at least one surface of a cross-linked, polyethylene, foam sheet material, to a temperature sufficient to cause a slight surface post-expansion of the foam sheet material, contacting the heated, post-expanded, foam surface with a cold metal element, to form a cross-linked, polyethylene, foam sheet product of the desired, accurate thickness, or having a desired three-dimensional design on the cross-linked, foam sheet material.