Unitary inflation devices for helium balloons and their like

Details Unitary inflation devices for helium balloons and their like Unitary inflation devices for helium balloons and their like

1975-12-29

1977-07-12

Chamblee, Hugh R.

A63H 306

Patent

active

040345017

ABSTRACT:
A inflation device adapted to admit compressed gas to the interior of a balloon, and to seal that interior against the atmosphere after inflation, is comprised of a pair of circular disks in parallel alignment and in spaced relationship with respect to one another. The disks are rigidly affixed to a central shank which extends beyond one of the disks. The shank extension is bored with a passage, sealed at the far end thereof, which communicates with the annular space between the disks, by means of a radial orifice. The tubular neck of the balloon is stretched over the sealing disks, with the shank extension protruding from the opening in the balloon sheath. Upon pressurizing the passage in the shank with air or other inflating medium, that portion of the balloon stretched between the two disks distends, and permits the medium to enter the internal volume of the gas bag around the periphery of the inner disk.

REFERENCES:
patent: 2635387 (1953-04-01), Anderson
patent: 2924041 (1960-02-01), Jackson et al.
patent: 3429330 (1969-02-01), Bogossian et al.
patent: 3769501 (1973-10-01), Elson et al.
patent: 3871422 (1975-03-01), Elson et al.

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