Self-sealing valve, a self-sealing, non-latex balloon, and a met

Details Self-sealing valve, a self-sealing, non-latex balloon, and a met Self-sealing valve, a self-sealing, non-latex balloon, and a met

1988-08-17

1990-04-17

Yu, Mickey

Amusement devices: toys

Inflatable

Having check valve

137846, 137850, 156289, A63H 2710, F16K 1516, B32B 3100

Patent

active

049176463

ABSTRACT:
The present invention relates to a self-sealing flexible plastic valve for a non-latex balloon. The valve is made from two flexible plastic sheets, bonded together to define a valve inlet, a valve outlet and a valve passageway. The inlet end of one sheet extends beyond the other to provide a positioning tab to be bonded to the balloon sheet such that the valve inlet is within the balloon stem. A bonding barrier at the inlet end avoids sealing during fabrication and facilitates automated insertion of the valve into the balloon.

REFERENCES:
patent: 1169804 (1916-02-01), Gregory
patent: 1702974 (1929-02-01), MacDonald
patent: 2674064 (1954-04-01), Gassaway
patent: 2700980 (1955-02-01), Andrews
patent: 3230663 (1966-01-01), Shabram
patent: 3332415 (1967-07-01), Ericson
patent: 3491791 (1970-01-01), Polk
patent: 3664058 (1972-05-01), Brieske
patent: 4674532 (1987-06-01), Koyanagi

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