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Patent Searching and Data


Title:
HEAT INSULATING WALL AND HEAT INSULATING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2024/042810
Kind Code:
A1
Abstract:
A heat insulating wall (20) comprises: a core material (30) made of urethane foam including a plurality of cells (40); and an outer cover material (21) including an internal space for accommodating the core material (30), the internal space being depressurized. The core material (30) comprises a skin layer (36) including a surface (31) in contact with the outer cover material (21), and an inner layer that is located further away from the outer cover material than the skin layer (36) is from the outer cover material, and includes a plurality of the cells. The plurality of cells (40) included in the inner layer include a first cell (40) that opens to the surface (31) through the skin layer (36), and a second cell (42) that does not open to the surface (31).

Inventors:
OKAWA MASAFUMI
KAWARAZAKI HIDEJI
NOZUE AKIHIRO
KOJIMA YASURO
Application Number:
PCT/JP2023/020642
Publication Date:
February 29, 2024
Filing Date:
June 02, 2023
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F16L59/04
Foreign References:
JPH1086255A1998-04-07
JPS6042433A1985-03-06
JPS493639Y11974-01-29
JP2020034115A2020-03-05
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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