Disposable capillary tube device

Details Disposable capillary tube device Disposable capillary tube device

1984-01-05

1987-05-05

Rolla, Joseph J.

Dispensing

With discharge assistant

Container with follower

604154, 7386416, 7386402, B67D 542

Patent

active

046625453

ABSTRACT:
A disposable capillary tube device has a support member to which a capillary tube is secured with one end of the tube extending beyond the support member for the pickup of a liquid. A plunger is releasably mounted for axial movement on the support member with space for the passage of air out of the capillary tube as it picks up liquid. The plunger is mounted on the axis of the capillary tube for passage through the capillary tube to expel liquid from the capillary tube.

REFERENCES:
patent: 2254662 (1941-09-01), Naples et al.
patent: 3153496 (1964-10-01), Johnson
patent: 3401692 (1968-09-01), Harris, Jr.
patent: 3809298 (1974-05-01), Harris et al.
patent: 4003262 (1977-01-01), Gerarde et al.
patent: 4023716 (1977-05-01), Shapiro
patent: 4050316 (1977-09-01), Rapoza
patent: 4063662 (1977-12-01), Drummond et al.
patent: 4404862 (1983-09-01), Harris, Sr.

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