Dispensing – Resilient wall – Wall deflecting means
Patent
1993-07-26
1994-08-16
Huson, Gregory L.
Dispensing
Resilient wall
Wall deflecting means
222325, 604214, 604216, B65D 3700
Patent
active
053379250
ABSTRACT:
This injection device comprises a housing having a handgrip for operating it. A collapsible fluid container is adapted to fit in the housing under the pressure element of the handgrip. The container has a fill opening with a closure and an injection stem extending out of the housing so that when the handgrip is squeezed, the collapsible fluid container will compress the fluid within it and drive the fluid out through the stem. Conversely, when the fluid container is compressed, the stem can be submerged in fluid and the handgrip spread to enlarge the container and suck fluid into the container.
REFERENCES:
patent: 2849159 (1958-08-01), Kaufmann
patent: 2948238 (1960-08-01), Hoffman
patent: 3249258 (1966-05-01), Kramer et al.
patent: 3410457 (1968-11-01), Brown
patent: 4131217 (1978-12-01), Sandegren
patent: 4692157 (1987-09-01), Landau et al.
patent: 5085346 (1992-02-01), Wright
patent: 5267974 (1993-12-01), Lambert
patent: 5273186 (1993-12-01), Widmer
Hoopes Dallett
Huson Gregory L.
ISPG, Inc.
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