Claims
- 1. A vacuum heat insulation box body comprising:a shell comprising an inner box and an outer box, said inner box and said outer box defining heat insulation walls, an interior of said heat insulation walls being provided in a vacuum state; and structural materials having continuous pores provided inside said insulation walls of said shell, and between said inner and outer boxes; wherein said outer box and said inner box are pressed against said structural materials by said vacuum state, and wherein said structural materials comprise a plurality of triangular-section parts.
- 2. A vacuum heat insulation box body according to claim 1, wherein said structural materials are constituted by a resin foam having open cells.
Priority Claims (2)
Number |
Date |
Country |
Kind |
10-013873 |
Jan 1998 |
JP |
|
10-207647 |
Jul 1998 |
JP |
|
Parent Case Info
This application is a Continuation of application Ser. No. 09/227,855 Filed on Jan. 11, 1999 which has been allowed as U.S. Pat. No. 6,305,768.
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Country |
0071090 |
Feb 1983 |
EP |
57-52783 |
Mar 1982 |
JP |
60-71881 |
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02192580 |
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Continuations (1)
|
Number |
Date |
Country |
Parent |
09/227855 |
Jan 1999 |
US |
Child |
09/871982 |
|
US |