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:
Aug. 15, 1989
Filed:
May. 17, 1985
Applicant:
Inventors:
Hidetsurumaro Ishizaki, Hirakata, JP;
Riyozo Taguchi, Higashi, JP;
Assignee:
Zojirushi Vacuum Bottle Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05S / ; B23P / ; C23C / ;
U.S. Cl.
CPC ...
294551 ; 29458 ; 29460 ; 148289 ; 220424 ; 220454 ; 220456 ; 427319 ;
Abstract
A stainless steel vacuum bottle comprises inner and outer bottles made of stainless steel, the inner and outer bottles being joined together at tip portions of their bottle necks to form a double-walled construction with a space between the two bottles, the space being evacuated. The vacuum bottle is characterized in that surfaces surrounding the space of the inner and outer bottles are provided, on at least the outer surface of the inner bottle, with an oxide layer and a silver mirror layer formed thereon.