ApplicationNo. 05/612853 filed on 09/12/1975
US Classes:428/113, Fibers220/560.15, Foam insulation220/62.19, Layer of fibrous or filamentary material427/426, Ingredients supplied separately428/298.1, Fibers are aligned substantially parallel428/310.5, With gradual property change within a component428/316.6, Plural void-containing components428/318.8Integrally formed skin
ExaminersPrimary: Van Balen, William J.
Attorney, Agent or Firm
Foreign Application Priority Data1973-06-27 JA
AbstractA cryogenic heat insulating structure comprises: a wall coated with a plurality of superposed rigid foam layers each of the layers having a skin and each layer containing fibers oriented parallel to the wall.