Title:
MULTILAYER HEAT INSULATING MATERIAL
Document Type and Number:
Japanese Patent JP2019049328
Kind Code:
A
Abstract:
To provide a multilayer heat insulating material capable of suppressing deterioration of heat insulating performance of a double heat insulating wall.SOLUTION: A multilayer heat insulating material 20 according to this invention is installed in a space between an outer wall 11 and an inner wall 12 of a double heat insulating wall. The multilayer heat insulating material 20 includes a sheet like reflection film 21, and a spacer 22 keeping an interval between the reflection films 21 at a prescribed interval. The spacer 22 has an area in contact with the reflection film 21 smaller than the reflection film 21, and has an integral structure.SELECTED DRAWING: Figure 2
Inventors:
TAKAHASHI TAKAAKI
Application Number:
JP2017174232A
Publication Date:
March 28, 2019
Filing Date:
September 11, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16L59/00; B32B7/027
Domestic Patent References:
| JPS61206897A | 1986-09-13 | |||
| JPS60156292U | 1985-10-17 | |||
| JPS5738988U | 1982-03-02 | |||
| JPS59215858A | 1984-12-05 | |||
| JPS58121396A | 1983-07-19 | |||
| JPS647992U | 1989-01-17 | |||
| JP2011174602A | 2011-09-08 |
Foreign References:
| US4420922A | 1983-12-20 |
Attorney, Agent or Firm:
Ken Ieiri