Sealing plug cap for a sealing container

Details Sealing plug cap for a sealing container Sealing plug cap for a sealing container

1998-09-02

1999-10-26

Castellano, Stephen

Bottles and jars

Closures

Combined or convertible

215262, 215311, 215355, 22020304, 22020328, 220231, B65D 3900, B65D 5116

Patent

active

059711809

ABSTRACT:
A sealing plug cap includes a plug cap body fastened to the mouth of a sealing container to seal the passage of the mouth by a deformatable peripheral flap thereof, an air buffer device fastened to the bottom end of the plug cap body inside the sealing container to buffer the speed of air passing through a center air hole on the plug cap body, a socket mounted inside the plug cap body, and a sealing and relief control unit mounted in the socket, the sealing and relief control unit being forced by atmospheric pressure to close the air hole on the plug cap body when a suction pump is used to draw air out of the sealing container, the sealing and relief control unit being forced to open the air hole on the plug cap body when depressed.

REFERENCES:
patent: 5465857 (1995-11-01), Yang
patent: 5535900 (1996-07-01), Huang
patent: 5653352 (1997-08-01), Kim
patent: 5735317 (1998-04-01), Wu

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