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. 19, 1977
Filed:
Jul. 23, 1974
Applicant:
Inventors:
Takashi Otouma, Yokohama, JA;
Susumu Aoki, Yokohama, JA;
Toshiaki Minaki, Yamato-kooriyama, JA;
Kenichi Shibata, Nara, JA;
Kentaro Mori, Tokyo, JA;
Assignee:
Nippon Asbestos Company, Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
428372 ; 65-2 ; 65-6 ; 65-8 ; 264167 ; 428399 ;
Abstract
This invention relates to a method for preparing glassy fibers having protuberances studded on the surface of the fiber, characterized in that each protuberance comprises an unmelted component of the starting materials and is formed on the surface of the fiber by fiberizing the partially unmelted starting materials by a spinner or blowing technique.