Dispensing – Resilient wall – Nonmetallic
Patent
1976-07-30
1978-10-03
Serwin, R.E.
Dispensing
Resilient wall
Nonmetallic
734256, 128 2F, 141 25, 422100, G01N 114
Patent
active
041181956
ABSTRACT:
In one embodiment, this invention comprises a normally open, resilient bulb which has a long tube at one end and an opening at the other end adapted for pressure tight removeable inter-connection with the access opening of an associated container, whereby a pre-determined volume of material may be transferred from a source directly to the container, or vice versa.
REFERENCES:
patent: 2773521 (1956-12-01), Persson
patent: 3348921 (1967-10-01), Katz et al
patent: 3449081 (1969-06-01), Hughes
patent: 3697227 (1972-10-01), Goldstein et al.
Rhines William G.
Serwin R.E.
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