Dispensing – Gas or vapor dispensing – With cutter or punch
Patent
1982-07-29
1985-02-12
Rolla, Joseph J.
Dispensing
Gas or vapor dispensing
With cutter or punch
222 54, 441 95, B67B 724
Patent
active
044986050
ABSTRACT:
An automatic inflator which inflates gas-inflatable articles by the release of compressed gas from a gas-containing capsule by the piercing of a seal on the capsule. The inflator has an elongated housing having first and second end portions, the housing receiving the neck of a compressed gas-containing capsule mounted for longitudinal movement with respect thereto and with the seal on the capsule disposed adjacent the second end portion of the housing. A piercing pin is mounted on the first end portion of the housing to confront the seal on the neck of a capsule mounted therein, there being a spring at the second end portion of the housing for constantly urging the capsule longitudinally of the housing toward the first end portion thereof. A releasable blocking device is disposed within the housing to hold the seal of the capsule spaced from the piercing pin, the blocking device including a water-sensitive element which when wet releases the blocking device so that the spring moves the capsule toward the piercing pin whereby the seal of the capsule is pierced thereby. The inflator is also provided with a selectively withdrawable abutment for the blocking device, whereby the capsule seal may be pierced manually.
REFERENCES:
patent: 2574028 (1951-11-01), Fields et al.
patent: 2722342 (1955-11-01), Fox
patent: 2786599 (1957-03-01), Higbee
patent: 3596799 (1969-12-01), Fairchild et al.
patent: 4260075 (1981-04-01), Mackal
Mackal Glenn H.
TenBarge John S.
Halkey-Roberts Corporation
Rolla Joseph J.
Shaver Kevin P.
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