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.

Date of Patent:
May. 31, 2011

Filed:

May. 02, 2006
Applicants:

Yohann Barnaud, Jacob Bellecombette, FR;

Jean-philippe Gasca, St-Jean de la Porte, FR;

Ludovic Chichignoud, La Bauche, FR;

Inventors:

Yohann Barnaud, Jacob Bellecombette, FR;

Jean-Philippe Gasca, St-Jean de la Porte, FR;

Ludovic Chichignoud, La Bauche, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/14 (2006.01); B29B 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of producing a composite part formed of a thermoplastic matrix reinforced with long glass fibers is provided. The method includes supplying a thermoplastic resin and high density glass granules to an injection or injection-compression device containing a single screw. The high density glass granules include long chopped strands formed of glass filaments sized with a sizing composition. The chopped glass strands may have a length from 6 to 30 mm. In addition, the glass granules may have a glass density between 90 and 99.5% and may have a length to diameter ratio (L/D) ratio of less than L, which is expressed in mm. A composite part obtained using the disclosed method is also provided.


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