Title:
METHOD FOR MANUFACTURING VACUUM HEAT INSULATOR AND VACUUM HEAT INSULATOR
Document Type and Number:
WIPO Patent Application WO/2020/255604
Kind Code:
A1
Abstract:
The present invention includes: a first step for preparing a hollow body (10) which has a heat resistance more than enough to withstand a flame of 781°C for 20 minutes and has a hollow portion (H) formed therein; a second step in which after an inorganic foaming agent having a heat resistance is introduced into the hollow portion of the hollow body prepared in the first step, foaming is performed to form a foam (20) having open cells, or after an inorganic foam which has a heat resistance and also has open cells is introduced, the foam is solidified; and a third step for evacuating the hollow portion, after solidifying the foam in the second step or during the solidifying of the foam in the second step.
More Like This:
Inventors:
NAKAMURA TAKUJU (JP)
Application Number:
PCT/JP2020/019696
Publication Date:
December 24, 2020
Filing Date:
May 18, 2020
Export Citation:
Assignee:
YAZAKI ENERGY SYSTEM CORP (JP)
International Classes:
F16L59/065
Foreign References:
JP2011057503A | 2011-03-24 | |||
JPH02192580A | 1990-07-30 | |||
JPH0972488A | 1997-03-18 | |||
JP2000283385A | 2000-10-13 | |||
JP2010169255A | 2010-08-05 | |||
JP2016507704A | 2016-03-10 | |||
JP2018178046A | 2018-11-15 | |||
JPH10195220A | 1998-07-28 | |||
JP3040504U | 1997-08-26 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
Download PDF:
Previous Patent: POLISHING LIQUID AND CHEMICAL-MECHANICAL POLISHING METHOD
Next Patent: POSITION DETECTION DEVICE
Next Patent: POSITION DETECTION DEVICE