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:
Oct. 17, 1989

Filed:

Sep. 10, 1987
Applicant:
Inventors:

Yoshiyuki Sasaki, Takatsuki, JP;

Tetsuo Okamoto, Ibaraki, JP;

Assignee:

Teijin Limited, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; D04H / ;
U.S. Cl.
CPC ...
428220 ; 428294 ; 428295 ; 428910 ;
Abstract

A synthetic filament-reinforced polymer material sheet having a very small thickness of 0.25 mm or less and a large specific tensile strength of 3.4.times.10.sup.6 cm or more is composed of a reinforcing sheet in which a number of straightened individual synthetic polymer filaments are arranged in parallel to each other and are spaced from each other at an average interval not larger than the average thickness of the filaments, and which has a width W anmd a thickness T satisfying the relationship W/T.gtoreq.40 and a coefficient of variation of thickness of 30% or less, and a polymer material impregnated in the spaces between the individual filaments.


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