Method of making a stainless steel vacuum bottle with a silver m

Details Method of making a stainless steel vacuum bottle with a silver m Method of making a stainless steel vacuum bottle with a silver m

1985-05-17

1989-08-15

Shoap, Allan N.

Metal working

Method of mechanical manufacture

Assembling or joining

29458, 29460, 148289, 220424, 220454, 220456, 427319, B05S 304, B23P 2500, C23C 806

Patent

active

048561746

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.

REFERENCES:
patent: 2210850 (1940-08-01), Curtin
patent: 2776069 (1957-01-01), Zimmermann
patent: 3343999 (1967-09-01), Petermann
patent: 4394929 (1983-07-01), Patel et al.
patent: 4427123 (1984-01-01), Komeda et al.
patent: 4448809 (1984-05-01), Nagai et al.

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