Heat insulator for hot isostatic pressing apparatus

Details Heat insulator for hot isostatic pressing apparatus Heat insulator for hot isostatic pressing apparatus

1984-09-14

1986-11-04

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means to create a vacuum or apply fluid pressure within a...

419 49, 425407, 428408, B28B 1110

Patent

active

046208399

ABSTRACT:
A heat insulator for a hot isostatic pressing apparatus including a plurality of non-perforated graphite sheets; a plurality of perforated graphite sheets, each one of the plurality of perforated graphite sheets being sandwiched between and making at least substantially planar contact with, but not being bonded to, adjoining ones of the plurality of non-perforated graphite sheets; and a gas having an extremely low thermal conductivity substantially confined in the perforations in the plurality of perforated graphite sheets.

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patent: 3203849 (1965-09-01), Katz et al.
patent: 3571850 (1971-03-01), Pohto et al.
patent: 3713959 (1973-01-01), Rottmayer et al.
patent: 4013394 (1977-03-01), Witkin et al.
patent: 4167598 (1979-09-01), Logan et al.
patent: 4247755 (1981-01-01), Smith, Jr. et al.
patent: 4259278 (1981-03-01), Flegel et al.
patent: 4275493 (1981-06-01), Matovich et al.

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