|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/423 ; 106/120 ; 220/456 ; 220/457|
|우선권정보||JP-0011281 (1978-02-03); JP-0011282 (1978-02-03)|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 7 인용 특허 : 3|
A heat insulated tank is disclosed having inner and outer walls between which a supporting material is interposed. The material comprises a molding of alkaline earth metal silicates or a molding of composite material based thereon having a continuous open cell structure and subjected to heat treatment under vacuum. Inside and outside faces of said supporting material are provided with a suitable number of grooves. The entire surface of said supporting material is impregnated with a solution of sodium silicate, potassium silicate or ethyl silicate and sub...
A heat insulated tank comprising inner and outer walls having a space therebetween; supporting material interposed in said space between said walls, said supporting material being a calcium silicate molding hving a xonotlite type crystal structure and a continuous open cell structure; amorphous type silicic acid, calcium compound and water being subjected to heating and pressing to form said calcium silicate molding; the interior facing surface and the exterior facing surface and said supporting material having criss-crossing grooves extending throughout...