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:
Dec. 29, 2015
Filed:
Jun. 06, 2013
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventors:
Assignee:
FUJIKURA LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03B 37/02 (2006.01); C03B 37/018 (2006.01); C03B 37/012 (2006.01); C03B 37/014 (2006.01); C03B 37/027 (2006.01);
U.S. Cl.
CPC ...
C03B 37/0216 (2013.01); C03B 37/0126 (2013.01); C03B 37/0142 (2013.01); C03B 37/0146 (2013.01); C03B 37/01257 (2013.01); C03B 37/01486 (2013.01); C03B 37/01815 (2013.01); C03B 37/01884 (2013.01); C03B 37/02736 (2013.01); C03B 2207/46 (2013.01);
Abstract
Provided is a process for producing an optical fiber including a processing process where an optical fiber work made of a glass is held by a processing apparatus for an optical fiber work to be heated and processed, wherein in the processing process, vibration caused by an abnormality of the optical fiber work in the heated state or vibration caused by an abnormality of a glass body which is a portion of the processing apparatus for an optical fiber work and is in the state where the glass body portion is heated due to the heating of the optical fiber work is detected by using an acoustic emission sensor.