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:
Nov. 02, 2021

Filed:

Dec. 18, 2017
Applicant:

Continental Structural Plastics, Inc., Auburn Hills, MI (US);

Inventors:

Dominique Boyer, Pouance, FR;

Gaetan Boivin, Pouance, FR;

Probir Kumar Guha, Bloomfield Hills, MI (US);

Marc-Philippe Toitgans, Pouance, FR;

Assignee:

CONTINENTAL STRUCTURAL PLASTICS, INC., Auburn Hills, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/08 (2006.01); B32B 7/12 (2006.01); B32B 5/26 (2006.01); B29C 70/08 (2006.01); B32B 7/022 (2019.01); B29C 70/48 (2006.01); B29C 70/78 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
B29C 70/081 (2013.01); B29C 70/48 (2013.01); B29C 70/78 (2013.01); B32B 5/08 (2013.01); B32B 5/26 (2013.01); B32B 7/022 (2019.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 2250/02 (2013.01); B32B 2250/24 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/101 (2013.01); B32B 2262/106 (2013.01); B32B 2305/70 (2013.01); B32B 2307/72 (2013.01); B32B 2307/732 (2013.01); B32B 2605/00 (2013.01);
Abstract

A dual layer cured composite article is provided that has an outer part having an outer part thickness composed of a first resin matrix having between 50 and 70 total weight percent of the outer part being an outer part mixed fiber filler, the outer part mixed fiber filler having an outer part primary fiber:carbon fiber ratio of 0.05-20:1. An inner part complementary to the outer part is provided and has an inner part thickness composed of a second resin matrix having between 40 and 60 total weight percent of the inner part of an inner mixed fiber filler, the inner mixed fiber filler having an inner part primary fiber:carbon fiber ratio of less than said outer part primary fiber:carbon fiber ratio. A joinder between the outer part and the inner part is provided. A process for producing such an article is also provided.


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