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:
Jun. 12, 1979
Filed:
Mar. 31, 1978
Applicant:
Inventors:
Hiroshi Ishii, Tokyo, JP;
Masahiko Arashi, Chiba, JP;
Saburo Ishijima, Yokohama, JP;
Kenichi Miyaji, Chiba, JP;
Yasuhiko Satomi, Yokohama, JP;
Assignee:
Nippon Sanso K.K., , JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228176 ; 228184 ; 2945 / ; 215 / ;
Abstract
A process for producing a metal vacuum bottle composed of internal and external shells made of metal, said process comprising the steps of brazing the seamed portion formed between said two shells through a vacuum heating treatment for an assembly of the vacuum bottle accommodating a getter to be sealed therewithin, and of enhancing the vacuum degree between said shell by maintaining the temperature of activating the getter for a certain period of time.