Container closure provided with automatic opening-closing mechan

Details Container closure provided with automatic opening-closing mechan Container closure provided with automatic opening-closing mechan

1988-02-23

1988-11-22

Norton, Donald F.

Dispensing

With plural openings or discharge guides

Having flow controllers or closures

215309, 215315, 222213, 222494, 222496, B05B 1104

Patent

active

047859784

ABSTRACT:
A closure for containers comprises an automatic opening-closing mechanism and an outside closure member having a pour opening. The automatic opening-closing mechanism includes a plug member having a centrally formed air introduction hole and a plurality of liquid discharge ports formed around the air introduction hole, a first valve member for opening and closing the liquid discharge ports and a second valve member for opening and closing the air introduction hole.

REFERENCES:
patent: 4561570 (1985-12-01), Zulauf

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