JPH0159543U

JPH0159543U -

Info

Publication number: JPH0159543U
Application number: JP15431087U
Authority: JP
Priority date: 1987-10-08
Filing date: 1987-10-08
Publication date: 1989-04-14
Anticipated expiration: 2002-10-08
Also published as: JPH0632045Y2

Description

[Brief explanation of the drawing]

第１図乃至第３図は本考案の第１実施例を示す
もので、第１図は金属製魔法瓶の半断面正面図、
第２図は排気孔と蓋部材の密着状態を示す一部拡
大断面図、第３図は製造工程の一部を示す拡大断
面図、第４図は本考案の第２実施例を示す一部拡
大断面図、第５図及び第６図は本考案の第３実施
例を示すもので、第５図は排気孔と蓋部材の密着
状態を示す拡大断面図、第６図は製造工程の一部
を示す拡大断面図、第７図は本考案の第４実施例
を示す一部拡大断面図、第８図及び第９図は本考
案の第５実施例を示し、第８図は排気孔と蓋部材
の密着状態を示す拡大断面図、第９図は製造工程
の一部を示す拡大断面図、第１０図は従来の金属
製魔法瓶の半断面正面図、第１１図は従来の排気
孔と蓋部材の密着状態を示す一部拡大断面図であ
る。１０……金属製魔法瓶、１１……外筒、１４…
…内筒、１５……空間、１６，３１，４２，５１
，６１……周壁、１７，３２……平坦部、１８，
３３，４３……排気孔、１９，３４，４４，６２
……蓋部材、１９ａ，３５，４６，６３……嵌合
周壁部、１９ｂ，３６，４５……平板部。 1 to 3 show a first embodiment of the present invention, and FIG. 1 is a half-sectional front view of a metal thermos flask;
Fig. 2 is a partially enlarged sectional view showing the close contact between the exhaust hole and the lid member, Fig. 3 is an enlarged sectional view showing a part of the manufacturing process, and Fig. 4 is a partially enlarged sectional view showing the second embodiment of the present invention. The enlarged sectional view, FIGS. 5 and 6, show the third embodiment of the present invention. FIG. 5 is an enlarged sectional view showing the state of close contact between the exhaust hole and the lid member, and FIG. FIG. 7 is a partially enlarged sectional view showing a fourth embodiment of the present invention; FIGS. 8 and 9 show a fifth embodiment of the present invention; FIG. Fig. 9 is an enlarged sectional view showing a part of the manufacturing process, Fig. 10 is a half-sectional front view of a conventional metal thermos flask, and Fig. 11 is a conventional exhaust hole. FIG. 3 is a partially enlarged cross-sectional view showing a state in which the lid member and the lid member are in close contact with each other. 10...Metal thermos flask, 11...Outer tube, 14...
...Inner cylinder, 15...Space, 16, 31, 42, 51
, 61... Peripheral wall, 17, 32... Flat part, 18,
33, 43...Exhaust hole, 19, 34, 44, 62
...Lid member, 19a, 35, 46, 63... Fitting peripheral wall portion, 19b, 36, 45... Flat plate portion.

Claims

[Scope of utility model registration request]

A metal outer cylinder and an inner cylinder are joined together at the mouth with a space provided in the body and the bottom, and the air in the space is sucked and exhausted through an exhaust hole provided at the bottom of the outer cylinder to create a vacuum.
In the metal thermos flask whose exhaust hole is sealed with a lid member, a peripheral wall rising outward is provided at the bottom of the outer cylinder, and an exhaust hole is bored inside the peripheral wall,
A metal thermos flask, characterized in that the exhaust hole is sealed with a pot-shaped lid member that covers the exhaust hole and the peripheral wall.