Foam dispensing pump container

Dispensing – With material treatment or conditioning means

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

222384, 2223219, 417550, B05B 700

Patent

active

054435692

ABSTRACT:
A foam dispensing pump container, for dispensing foam by mixing air pumped from an air cylinder by an air piston having suction holes in its upper wall and a foamable liquid pumped from a liquid cylinder by a liquid piston having an annular projection on its outer wall, provided with an elastic valve member including a cylindrical wall portion, an outer thin annular valve portion extending outwardly from the cylindrical wall portion, and an inner thin annular valve portion extending inwardly from the cylindrical wall portion. The elastic valve member is arranged such that the cylindrical wall portion is in contact at least partially with an inner surface of the upper wall between the suction holes and an air passage, the outer thin annular valve portion is in contact, at its outer annular rim portion, with an inner surface of the upper wall extending outwardly beyond the suction holes, and the inner thin annular valve portion is in contact, at its inner annular rim portion, with the annular projection of the liquid piston below the air passage.

REFERENCES:
patent: 3527242 (1970-09-01), Ansite
patent: 3709437 (1973-01-01), Wright
patent: 5071379 (1991-12-01), Poizot
patent: 5147087 (1992-09-01), Fuchs
patent: 5176296 (1993-01-01), Lina et al.
patent: 5326000 (1994-07-01), Fuchs

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Foam dispensing pump container does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Foam dispensing pump container, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Foam dispensing pump container will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2138637

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.