Dry flowable material dispensing and contents preservation and s

Details Dry flowable material dispensing and contents preservation and s Dry flowable material dispensing and contents preservation and s

1990-11-02

1991-09-24

Shaver, Kevin P.

Dispensing

With conveying conduit jacket and/or inert atmosphere...

220316, 222153, 222355, 222361, 222525, 292144, 422296, 422297, A61L 200, B65D 4500, E05C 106

Patent

active

050507788

ABSTRACT:
A pressurizable container has a removable cover. The removable cover has locking elements to maintain the cover sealed to the container when the container is pressurized. The locking device is a piston received in a cylinder, and the cylinder communicates with the interior of the container. When the container is pressurized, the pressure fluid forces the piston and its associated locking bolt into a position such that the bolt passes through a wall of the container and a wall of the removable cover, locking the cover to the container. It is also possible to draw a vacuum on the container when the container is used as a sterilizing device.

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