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Title:
METHOD FOR PREPARING AIRTIGHT AND INSULATED CONTAINER, AND INSULATED CONTAINER PREPARED BY SAME
Document Type and Number:
WIPO Patent Application WO/2019/127908
Kind Code:
A1
Abstract:
An insulated container and a preparation method therefor. The insulated container is formed by vacuuming the space between an outer shell (2) and an inner shell (3) that are made of metal; an auxiliary member (1) is fixed at a corner of the inner side of the outer shell (2); the auxiliary member (1) is formed by stacking and welding a low temperature sealing layer (11) and a high temperature covering layer (12); the low temperature sealing layer (11) is made of a metal which melts at a melting temperature, and the high temperature covering layer (12) is made of a metal that does not melt at the melting temperature; the low temperature sealing layer (11) is fixed between the high temperature coating layer (12) and the outer shell (2); a vent hole (13) is drilled through the auxiliary member (1) and the outer shell (2). The insulted container is placed in a vacuuming chamber; the temperature of the vacuuming chamber is gradually increased to the melting temperature while vacuumizing, and the low temperature sealing layer (11) is melted by heat and flows until the vent hole (13) is sealed.

Inventors:
LIU, Minye (Room 101, Building 18 Liandong Yougu Park,No. 3, East 3rd Area, Jiansha Road,Danzao Town, Nanhai Distric, Foshan Guangdong 0, 528000, CN)
Application Number:
CN2018/078674
Publication Date:
July 04, 2019
Filing Date:
March 12, 2018
Export Citation:
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Assignee:
FOSHAN KEITH TITANIUM TECHNOLOGY CO., LTD. (Room 101, Building 18 Liandong Yougu Park,No. 3, East 3rd Area, Jiansha Road,Danzao Town, Nanhai Distric, Foshan Guangdong 0, 528000, CN)
International Classes:
B65D81/38; A47J41/02
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (F6 Xijin Centre, 39 Lianhuachi East Rd. Haidian District, Beijing 6, 100036, CN)
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