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.:

US 6698939 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 02, 2004

Filed:

Nov. 22, 2002
Applicant:
Inventors:

Kiyoshi Ishii, Isikawa, JP;

Akira Kato, Tokyo, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/36 ;
U.S. Cl.
CPC ...
G02B 6/36 ;
Abstract

A number of holes ( ) are formed in the outer circumferential wall ( ) of a tubular metallic pipe ( ) at regulator intervals in both circumferential and axial directions. Each of the holes ( ) consists of a polygonal opening ( ) and raised pieces ( ) formed by bending the material from the peripheral edge surrounding the opening ( ). This pipe may be used as an insert pipe in injection molding an article such as a lead screw, an optical fiber ferrule or the like. The raised pieces reinforce the part of the pipe surrounding each hole, and enhances the bonding between the molding material and insert pipe.


Find Patent Forward Citations

Ishii, Kiyoshi. (2004). Method for processing an insert pipe for use in injection molding (U.S. Patent No. 6698939). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6698939

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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