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.:
Date of Patent:
Apr. 06, 2004
Filed:
Sep. 13, 2001
Applicant:
Inventors:
Ryo Umehara, Aichi-ken, JP;
Takashi Kanda, Aichi-ken, JP;
Masaru Yamada, Mie-ken, JP;
Tadashi Karakawa, Osaka-fu, JP;
Assignee:
Kurabo Industries Ltd., Okayama-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M 1/571 ; D02G 3/30 ;
U.S. Cl.
CPC ...
D06M 1/571 ; D02G 3/30 ;
Abstract
A slenderized crimped animal fiber with a fixed slenderized form having a lowering rate of tensile strength for undyed spun yarn of no less than 10%, fiber contraction in boiling water of no more than 1%, an alkali solubility of no more than 22% by weight and a UB solubility of no more than 35% by weight, wherein the slenderized crimped animal fiber is prepared by being drawn by practically 1.20 to 1.60 times after an anisotropic swelling is given to the animal fiber consisting of bilateral structure using swelling plasticization with base.