Freeze dryer particularly adapted for freeze drying materials ha

Details Freeze dryer particularly adapted for freeze drying materials ha Freeze dryer particularly adapted for freeze drying materials ha

1976-10-04

1978-05-23

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

Vacuum

62440, F26B 1330

Patent

active

040903125

ABSTRACT:
A freeze dryer chemically resistant to corrosive condensates having a sample chamber in direct communication with the condenser chamber. The condenser chamber is spun-molded of a chemically resistant material having an exterior with a near perfect cylindrical shape, and is insulatedly supported on the frame by wooden blocks shaped to conform exactly with the chamber exterior, thereby strengthening the chamber walls to withstand the stress of the high vacuum and low temperatures. Visibility and accessibility to the entire condenser chamber is accomplished by easily removable front and rear transparent cover plates, the rear cover plate serving as a mounting for the condensing coil.

REFERENCES:
patent: 2539943 (1951-01-01), Breazeale
Exhibit A, p. 463 of Fisher Catalogue 70 published in 1972.

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