Rotary airlock valve

Dispensing – With discharge assistant – Movable or conveyer-type trap chamber

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C414S219000

Reexamination Certificate

active

06966466

ABSTRACT:
A rotary airlock valve has a plurality of material receiving pockets having leading edges that are narrower than the trailing edges thereof, preferably having walls tapering inwardly so as to define a narrowed pocket opening for directing any material expansion due to pressurization to a center of a discharge outlet, to reduce wear and increase seal life.

REFERENCES:
patent: 3151784 (1964-10-01), Tailor
patent: 3195241 (1965-07-01), Hohne
patent: 5413256 (1995-05-01), Mitchell et al.
patent: 5538383 (1996-07-01), Ikeda et al.
patent: 5544995 (1996-08-01), Ogawa et al.
patent: 5575085 (1996-11-01), Groombridge
patent: 2003/0039515 (2003-02-01), Salley, Jr.
patent: 2 129 395 (1984-05-01), None

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

Rotary airlock valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-3463064

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