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Title:
REFRIGERATOR DOOR AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/125165
Kind Code:
A1
Abstract:
The invention provides a manufacturing method for a refrigerator door, comprising: manufacturing a refrigerator door having an accommodating space; filling an aerogel felt into the accommodating space; and executing a cycle process until a preset criterion is met; the cycle process comprising: extracting a gas from the accommodating space; and filling a low-thermal-conductivity gas into the accommodating space.

Inventors:
LIU ZHANZHAN (CN)
CHENG XUELI (CN)
Application Number:
PCT/CN2022/140436
Publication Date:
July 06, 2023
Filing Date:
December 20, 2022
Export Citation:
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Assignee:
QINGDAO HAIER REFRIGERATOR CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F25D23/02; F25D11/00
Foreign References:
CN110513942A2019-11-29
US20200400266A12020-12-24
CN106761440A2017-05-31
CN209495503U2019-10-15
JP2018194166A2018-12-06
JPH10339564A1998-12-22
Attorney, Agent or Firm:
SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (CN)
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