Triple seal valve member for an atomizing pump dispenser

Details Triple seal valve member for an atomizing pump dispenser Triple seal valve member for an atomizing pump dispenser

1979-03-26

1980-10-28

Skaggs, H. Grant

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222385, G01F 1104

Patent

active

042302420

ABSTRACT:
A triple seal valve member for an atomizing pump dispenser which includes an integrally molded plastic valve member having an outer portion terminating in a sealing tip for sealing against an axial outlet port, the outer part being of a first cross section; an inner part containing therein a hollow recess open at its inner end for accepting a biasing spring, the inner part of a larger cross section than the outer part, the radially outer portion of the inner part adapted to seal against an opening at the inner end of a pump chamber; an intermediate portion forming a generally cylindrical recess between the inner and outer portions, the recess in communication with the hollow recess in the inner portion; a narrowed throat formed at the area of communication between the hollow recess and the cylindrical recess; said intermediate portion having openings therein in the vicinity of its outer end permitting communication between the cylindrical recess and the area above the said inner portion; with a ball having a diameter which is less than the diameter of the cylindrical recess but greater than the diameter of the throat snapped into the cylindrical recess to thereby form therewith a check valve. Also disclosed is a pump using the valve member.

REFERENCES:
patent: 3062416 (1962-11-01), Cooprider
patent: 4051983 (1977-10-01), Anderson
patent: 4089442 (1978-05-01), Hafele et al.
patent: 4140249 (1979-02-01), Majima

Affiliated with

Also associated with

Rating

Triple seal valve member for an atomizing pump dispenser does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Triple seal valve member for an atomizing pump dispenser, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Triple seal valve member for an atomizing pump dispenser will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-264184