Dispensing – With discharge assistant – Fluid pressure
Patent
1988-05-27
1989-08-29
Huppert, Michael S.
Dispensing
With discharge assistant
Fluid pressure
222505, 222518, B65D 8300
Patent
active
048609323
ABSTRACT:
A container seal and siphon tube outlet combination where a sealing bias is provided by a ported leaf type spring which is also oppositely reacting against and biasing closed a manually operated poppet valve. The leaf spring is generally concave circular disk with a non-circular port in the center. The port is shaped to include fingers extending axially and radially inward, tending to keep the port open. The siphon tube is also sealed by the bottle cap seal. The manual actuation is accomplish by a lever applying force to the poppet against the spring bias.
REFERENCES:
patent: 3618833 (1971-11-01), Webster
patent: 4671436 (1987-06-01), Hagan
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