Dispensing – Inspection devices – Graduated transparent container or trap
Patent
1990-03-16
1991-12-10
Huppert, Michael S.
Dispensing
Inspection devices
Graduated transparent container or trap
222207, 222211, B67D 500
Patent
active
050710397
ABSTRACT:
There is disclosed a squeeze-container for dispensing a viscous liquid comprising a reservoir for holding the liquid (at least a part of the reservoir being resiliently squeezable), a measuring channel for measuring therein a quantity of the liquid to be dispensed, a spout in communication with an upper part of the channel, and an air trap including an air chamber, the air trap being in communication with a lower end of the channel and with substantially the bottom of the reservoir. The air trap is able in use to release an air bubble from the chamber into the lower end and to replenish the chamber with air. In this way, the quantity of liquid may be dispensed by squeezing the part of the reservoir to substantially fill the channel, causing the air trap to release the bubble, further squeezing to commence a flow of the liquid in the channel entraining the bubble until the bubble is released at the spout, releasing the container so that the chamber is replenished by air filling the channel and the air trap as the air enters the reservoir.
REFERENCES:
patent: 3157319 (1964-11-01), Schwienbacher
patent: 3175736 (1965-03-01), Pelto
patent: 4077547 (1978-03-01), Donoghue
patent: 4168020 (1979-09-01), Benson
patent: 4324349 (1982-04-01), Kaufman
patent: 4640441 (1987-02-01), Bunschoten
patent: 4645097 (1987-02-01), Kaufman
patent: 4899789 (1990-02-01), Carow
Anglehart Dwight
Huppert Michael S.
Pomrening Anthoula
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