Freeze drying container with manual stoppering

Details Freeze drying container with manual stoppering Freeze drying container with manual stoppering

1978-05-12

1979-07-24

McGehee, Travis S.

Package making

Gas filling and/or evacuating of receptacle and closing

Within enclosure

53101, 53328, B65B 3102

Patent

active

041618572

ABSTRACT:
A manual stoppering container assembly having a central shaft which is threadedly secured to a handle on an upper portion and fixedly secured to a stoppering plate at a lower portion. The handle is rotatably secured in the cover plate for imparting reciprocal motion to the stoppering plate. The stoppering plate is guided by tracks in the container body. The cover plate is fluid-tightly mounted on a container body, so that the downward movement of the stoppering plate may force a plug into a sample vial while the container assembly is under vacuum.

REFERENCES:
patent: 649012 (1900-05-01), Tapscott
patent: 2447240 (1948-08-01), Eisler

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