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:
Aug. 02, 2011

Filed:

May. 24, 2007
Applicants:

Andrew Alderson, Liverpool, GB;

Kim Lesley Alderson, Liverpool, GB;

Graham David Hudson, Cheshire, GB;

David Edward Skertchly, Hampshire, GB;

Inventors:

Andrew Alderson, Liverpool, GB;

Kim Lesley Alderson, Liverpool, GB;

Graham David Hudson, Cheshire, GB;

David Edward Skertchly, Hampshire, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A composite material comprises a layer of fibres conjoined to a matrix, where one of the matrix and fibres comprises a first component which exhibits auxetic behaviour for loading along a first direction, and the other of the matrix and fibres comprises a second component which exhibits non-auxetic behaviour for loading along the first direction.


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