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:
Mar. 11, 2003
Filed:
May. 11, 1993
Applicant:
Inventors:
Hiroshi Kaneda, Saku, JP;
Kenji Hashizume, Nagano-ken, JP;
Hisao Katoh, Saku, JP;
Masatoshi Okamura, Saku, JP;
Haruo Shiba, Komoro, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 2/303 ; B32B 3/116 ;
U.S. Cl.
CPC ...
G11B 2/303 ; B32B 3/116 ;
Abstract
A recording medium cartridge capable of permitting energy to be effectively transmitted from a welding horn to a casing to highly improve welding between an upper casing member and a lower casing member which is carried out in order to integrally form the casing. The casing members are made of crystalline resin to which a filler such as glass fiber or the like is added.