Title:
VACUUM HEAT-INSULATING MATERIAL AND HEAT-INSULATING PANEL
Document Type and Number:
Japanese Patent JP3750541
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To facilitate handling of a vacuum heat-insulating material, to main tain a vacuum condition of the vacuum heat-insulating material over a long term, and to provide a heat-insulating panel which wraps in the easily handled vacuum heat-insulating material.
SOLUTION: This vacuum heat-insulating material 50 is constructed of a core material body 51A having a sidewall of a predetermined thickness dimension and a groove member 51B, having a recess groove 520 arranged on the sidewall of the core material body 51A. The vacuum heat-insulating material is constructed, by covering a core material 51 with a synthetic resin film, sealing film end edge, and reducing the pressure inside of the film. In this process, a sealing part 530 is housed inside the recess groove 520 of the groove member 51B in the core material 51. The corner part of the film is then housed in a clearance formed of the adjacent groove members 51B.
Inventors:
Seiichi Kito
Naotaka Yamamoto
Naotaka Yamamoto
Application Number:
JP2001055121A
Publication Date:
March 01, 2006
Filing Date:
February 28, 2001
Export Citation:
Assignee:
Isuzu Motors Limited
International Classes:
F16L59/06; E04B1/80; E04C2/20; F25D23/06; (IPC1-7): F16L59/06; F25D23/06
Domestic Patent References:
| JP2001050479A |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office
Yoshiaki Numagata
Takio Sumiyoshi
Yasue Numagata
Nakamura
Yoshiaki Numagata
Takio Sumiyoshi
Yasue Numagata
Nakamura