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Title:
VACUUM HEAT INSULATING PACK
Document Type and Number:
Japanese Patent JP3461524
Kind Code:
B2
Abstract:

PURPOSE: To provide a vacuum pack which is usable as a heat insulating material for a refrigerator, can be manufactured industrially at a low cost, and constituted to have stable performance.
CONSTITUTION: A through-hole 17 is formed in a film-molded molding material 12. A vacuum heat insulating material pack comprises an upper cover material 15 formed such that a barrier material is peripherally welded to a part of the molding material 12 in a manner to cover the through-hole 17 therewith; a lower cover material 16; and a core 10.


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Inventors:
Kazuto Kamimon
Yasuaki Tanimoto
Application Number:
JP8173493A
Publication Date:
October 27, 2003
Filing Date:
April 08, 1993
Export Citation:
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Assignee:
Matsushita Cold Machinery Co., Ltd.
International Classes:
B32B15/08; B32B27/06; F16L59/05; F16L59/06; (IPC1-7): F16L59/06; B32B15/08; B32B27/06; F16L59/05
Domestic Patent References:
JP60174639A
JP4257685A
JP3212345A
JP6467585A
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)



 
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