REFRIGERATOR AND ITS MANUFACTURING METHOD - Mitsubishi Electric Corporation

Title:

REFRIGERATOR AND ITS MANUFACTURING METHOD

Document Type and Number:

Japanese Patent JP3965850

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide an efficient recycling method for a foamed urethane which is used as a heat insulation material for a waste refrigerator.
SOLUTION: A stock solution of foamed urethane containing a regenerated polyol, a fresh polyol and water in the amount of 0.1-5% based on the total amount of the above polyol is injected and foamed in the space between the outer box and the inner box of a refrigerator.

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Inventors:

Takagi Tsukasa
Koichi Nakagawa

Application Number:

JP36652899A

Publication Date:

August 29, 2007

Filing Date:

December 24, 1999

Export Citation:

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Assignee:

Mitsubishi Electric Corporation

International Classes:

C08G18/28; F25D23/08; F25D23/06; (IPC1-7): F25D23/08; C08G18/28; F25D23/06

Domestic Patent References:

JP6228353A
JP10152578A
JP6192362A
JP9248869A

Attorney, Agent or Firm:

Shogo Takahashi
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka

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