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.:

US 7132025 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 07, 2006

Filed:

Mar. 09, 2002
Applicant:

Harri Dittmar, Battenberg, DE;

Inventor:

Harri Dittmar, Battenberg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 31/20 (2006.01); D04H 1/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a continuous method of producing a thick, thermoformable, from a thermoplastic material and reinforcing fibers. The inventive method comprises the following steps: A) blending thermoplastic fibers and reinforcing fibers to give a dry-laid blended web, B) consolidating the blended web by needle felting, C) heating the consolidated blended web, and D) compacting it to give a semi-finished product.


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