Test bar for a vacuum chamber

Details Test bar for a vacuum chamber Test bar for a vacuum chamber

1976-03-12

1978-01-10

Wolk, Morris O.

Chemistry: physical processes

Physical processes

Crystallization

118 49, 214 17B, 214 26, 250289, B01L 102

Patent

active

040676978

ABSTRACT:
Device for introducing a specimen into and withdrawing the same from the interior of a chamber sealed from the surrounding environment. The device includes a test bar slidably and sealingly projecting through an opening in the chamber. The test bar has a first length portion which includes a specimen-supporting arrangement and which has a part that is in a sealing relationship with the opening in a first end position of the test bar in which the specimen-supporting arrangement is situated inside the chamber. The test bar further has a second length portion which has a part that is in a sealing relationship with the opening in a second end position of the test bar in which the specimen-supporting arrangement is situated externally of the chamber. A releasable coupling device detachably connects the two length portions of the test bar to one another.

REFERENCES:
patent: 3394679 (1968-07-01), Bentley, Jr.
patent: 3578969 (1971-05-01), Proskauer
patent: 3633770 (1972-01-01), Howard

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