Patent · US Expired

Heat-insulating body

US6143389A · kind A · utility

2Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 1997
Grant dateNov 7, 2000
Priority date
Expiry dateApr 25, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/239
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The invention concerns a heat-insulating body comprising: a) a pulverized hard foamed plastics material and optionally an inorganic porous material; and b) a foil enveloping component a). The foil enveloping component a) is evacuated and then hermetically sealed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.