Insulating materials

Details Insulating materials Insulating materials

1973-11-23

1976-02-03

Dier, Philip

Stock material or miscellaneous articles

Perimeter or corner structure of sheet

52403, 52615, 428119, 428133, 428179, 428322, B32B 312, B32B 518, B32B 2738, E04B 228

Patent

active

039365530

ABSTRACT:
Insulation material comprising a pair of generally parallel spaced surface sheets of impervious material sealed together through thermally insulating material at their free edges. The surface sheets are held in spaced relation by a series of transverse pins spaced apart over the area of the surface sheets and the space between the latter is evacuated.

REFERENCES:
patent: 1962868 (1934-06-01), Gregg
patent: 2962409 (1960-11-01), Ludlow et al.
patent: 3054213 (1962-09-01), Mathues
patent: 3262521 (1966-07-01), Warnaka
patent: 3354021 (1967-11-01), Royet
patent: 3405496 (1968-10-01), VanDer Meer
patent: 3570201 (1971-03-01), Barroero
patent: 3793131 (1974-02-01), Hedges

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