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:
Jun. 15, 1982
Filed:
Jan. 23, 1980
Applicant:
Inventors:
Mikio Takeshima, Mito, JP;
Masaaki Kawase, Mito, JP;
Toru Yamanishi, Yokohama, JP;
Masaaki Yoshida, Yokohama, JP;
Assignees:
Nippon Telegraph & Telephone Public Corp., Tokyo, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9633 ; 350 9634 ; 427163 ;
Abstract
In a glass fiber for optical transmission comprising a primary coat, a thermoplastic resin coat, and a buffer coat between the primary coat and the thermoplastic resin coat, the improvement which comprises said thermoplastic resin being a polyamide having a modulus of elasticity of about 2,000 to 8,000 kg/cm.sup.2 at a temperature in the range of 20 to 23.degree. C.