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:
Oct. 19, 1999
Filed:
Jun. 24, 1997
Applicant:
Inventors:
Ichiro Saito, Kanagawa, JP;
Shiro Kenmotsu, Saitama, JP;
Tomio Aoki, Kanagawa, JP;
Kunikazu Tomita, Hiroshima, JP;
Yasuyuki Takada, Hiroshima, JP;
Assignees:
Sony Corporation, , JP;
NKK Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428457 ; 428 349 ; 428 351 ; 428192 ; 428212 ; 428913 ; 348821 ; 348822 ; 348824 ; 148570 ; 148579 ; 75507 ;
Abstract
A steel sheet for a heat-shrink band, which is to be thermally expanded and fitted over the outer periphery of the panel portion of a cathode ray tube, which has at least a 20% elongation at an ambient temperature and at least a 40 kg/mm.sup.2 stress of yielding point after the heating and cooling, in particular one comprised by a dual phase cold rolled steel sheet comprising a ferrite phase and a martensite phase or a cold rolled steel sheet containing a retained austenite.