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. 13, 2011
Filed:
Jan. 07, 2010
Thomas Kevin Mackinnon, Daniel Island, SC (US);
Robert E. Dodd, Parma, MI (US);
Joong Youn Kim, Newtown Square, PA (US);
Douglas H. Wylie, Richmond Hill, CA;
Thomas Kevin MacKinnon, Daniel Island, SC (US);
Robert E. Dodd, Parma, MI (US);
Joong Youn Kim, Newtown Square, PA (US);
Douglas H. Wylie, Richmond Hill, CA;
CertainTeed Corporation, Valley Forge, PA (US);
Abstract
A process and apparatus for making a shingle, together with the shingle made thereby, is provided, in which one or more thermoplastic materials are extruded or co-extruded to form an extrudate, with the extrudate being cut into a preliminary shingle shape, which is allowed to dissipate heat, and then is delivered to a compression mold, wherein the preliminary shingle shape is compression molded to substantially its final dimensions and is then discharged from the mold and allowed to cool.