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:
Sep. 07, 1976
Filed:
Mar. 12, 1975
Applicant:
Inventors:
Kenzo Kosaka, Nagoya, JA;
Toshio Horikawa, Nagoya, JA;
Minoru Uchida, Nagoya, JA;
Shin Morioka, Nagoya, JA;
Kunio Shibata, Nagoya, JA;
Eizi Takahashi, Nagoya, JA;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ; D02G / ;
U.S. Cl.
CPC ...
5714 / ; 5715 / ;
Abstract
Highly coherent and rigid synthetic multifilamentary yarn of improved functional properties having a novel and unique configuration composed of multiple, retained, successive and alternate twist regions is manufactured by twisting thermoplastic fibers by a false-twisting means and at a high temperature selected with reference to the combined properties of the degree of the double refraction and the density of the material fiber.