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:
Aug. 26, 2003
Filed:
Aug. 14, 2000
Applicant:
Inventors:
Arianna T. Morales, Royal Oak, MI (US);
Elisabeth J. Berger, Farmington Hills, MI (US);
Jessica A. Schroeder, Sterling Heights, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 1/108 ; B29C 4/500 ; B29C 7/070 ;
U.S. Cl.
CPC ...
B29B 1/108 ; B29C 4/500 ; B29C 7/070 ;
Abstract
Screen tooling having a durable coating system, and a fiber preforming process employing the tooling. The coating system comprises a surface layer of a porcelain enamel composition that is generally a borosilicate glass, and preferable contains quartz, borax, boric oxide, potassium nitrate, sodium silicofluoride, and manganese dioxide, and optionally contains titanium dioxide, antimony oxide, cobalt oxide and/or barium oxide.