Valved bottle cap

Details Valved bottle cap Valved bottle cap

1994-12-27

1996-08-06

Shoap, Allan N.

Bottles and jars

Closures

Applied from within receptacle

215227, 215303, 141363, 141348, 141351, B65D 5118

Patent

active

055425550

ABSTRACT:
A cap for use with bottled water dispensing systems. The cap includes a main outer cap and an inner cap. The main outer cap has a central sleeve which receives and seals against a probe. The inner cap moves into and out of a sealing engagement with the central tube as the bottle is raised and lowered over the probe. The seal between the inner cap and the central tube is located on the outside surface of the central tube. The inner cap has a guide sleeve which centers the inner cap about the central tube, which is particularly important to achieve a proper attachment of the inner cap to the central tube during removal of the bottle from its support. The locations of the various components of the cap allow the cap to have effective differentials between the forces which are necessary to achieve proper sequencing of the formation of the various seals and connections which occur during use of the cap.

REFERENCES:
patent: 2904204 (1959-09-01), Naphtal et al.
patent: 4874023 (1989-10-01), Ulm
patent: 5121778 (1992-06-01), Baker et al.

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