JPH02109543U

JPH02109543U -

Info

Publication number: JPH02109543U
Application number: JP1721189U
Authority: JP
Priority date: 1989-02-16
Filing date: 1989-02-16
Publication date: 1990-09-03
Anticipated expiration: 2004-02-16
Also published as: JPH088748Y2

Description

[Brief explanation of drawings]

第１図は、この考案の金属製魔法瓶のゲツター
保持構造の一例を示す概略断面図であり、第２図
および第３図は、それぞれ、ゲツターの一例を示
す斜視図および断面図であり、第４図は、従来の
金属製魔法瓶のゲツター保持構造の一例を示す概
略断面図であり、第５図は、従来のゲツターの一
例を示す概略断面図である。１……内瓶、２……外瓶、３……真空断熱層、
８……ゲツター、９……ゲツター材、１１……保
持板。 FIG. 1 is a schematic sectional view showing an example of the getter holding structure of the metal thermos flask of this invention, and FIGS. 2 and 3 are a perspective view and a sectional view, respectively, showing an example of the getter. FIG. 4 is a schematic sectional view showing an example of a getter holding structure of a conventional metal thermos flask, and FIG. 5 is a schematic sectional view showing an example of a conventional getter. 1... Inner bottle, 2... Outer bottle, 3... Vacuum insulation layer,
8... Getter, 9... Getter material, 11... Holding plate.

Claims

[Scope of Claim for Utility Model Registration] A metal thermos flask having a vacuum double structure in which a metal inner bottle and a metal outer bottle are joined together at their mouths, and the gap between the inner and outer bottles is a vacuum insulation layer. Getter retention for a metal thermos flask, characterized in that a plate-like getter formed by sintering and retaining powdered getter material on a retaining plate is directly attached to the outer wall of the inner bottle or the inner wall of the outer bottle. structure.