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. 01, 1999
Filed:
Nov. 26, 1997
Applicant:
Inventors:
Takeshi Kikutani, Tokyo, JP;
Katsumi Morohoshi, Yokosuka, JP;
Susumu Shimizu, Hadano, JP;
Akio Sakihara, Isehara, JP;
Kinya Kumazawa, Yokosuka, JP;
Hiroshi Tabata, Yokohama, JP;
Assignees:
Nissan Motor Co., Ltd., Yokohama, JP;
Tanaka Kikinzoku Kogyo K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D / ;
U.S. Cl.
CPC ...
26417713 ; 425461 ; 425464 ;
Abstract
A method of manufacturing fibers with optical function includes spinning a thermoplastic polymer by a spinneret having an opening with first slits arranged parallel to each other and a second slit arranged perpendicular thereto, the spinneret being formed to satisfy a predetermined relation between the length of the first slits and the width of the second slit.