Reciprocating fluid pump with bottle closure having inner and ou

Details Reciprocating fluid pump with bottle closure having inner and ou Reciprocating fluid pump with bottle closure having inner and ou

1997-09-09

1999-03-30

Kashnikow, Andres

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

B67D 540

Patent

active

058877630

ABSTRACT:
A manually operated reciprocating fluid pump is configured to be secured to a neck of a bottle. The neck of the bottle comprises a circumferential rim having an inner surface and an outer surface. The inner surface defines a mouth of the bottle. The fluid pump comprises a dispenser body, a closure cap, and a seal assembly. The dispenser body has a pump mechanism, a discharge port, and a discharge liquid flow path providing fluid communication between the pump mechanism and discharge port. The closure cap is connected to the dispenser body and is configured for closing the mouth of the bottle. The closure cap comprises a skirt configured for attachment to the neck of the bottle. The seal assembly comprises a circumferential outer rim seal and a circumferential inner rim seal spaced radially inward of the outer rim seal. The outer rim seal is shaped and sized to engage the outer surface of the rim of the bottle when the skirt is attached to the neck of the bottle. The inner rim seal is shaped and sized to engage the inner surface of the rim of the bottle when the skirt is attached to the neck of the bottle. The outer rim seal and inner rim seal constitute a single monolithic piece.

REFERENCES:
patent: 3788510 (1974-01-01), Collins
patent: 4192428 (1980-03-01), Segmuller
patent: 4874102 (1989-10-01), Jessop, et al.
patent: 5105961 (1992-04-01), Noren, et al.
patent: 5421470 (1995-06-01), Dudzik
patent: 5454488 (1995-10-01), Geier
patent: 5709325 (1998-01-01), Renault, et al.
patent: 5715973 (1998-02-01), Foster, et al.

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