Spill proof bong

Details Spill proof bong Spill proof bong

1979-06-11

1980-12-30

Pellegrino, Stephen C.

Tobacco

Tobacco users' appliance

Device used for smoking

131212A, 131210, A24F 114, A24F 130

Patent

active

042417414

ABSTRACT:
A traditional bong is provided having an upright barrel divided by a partition into a lower, dry chamber into which the pipe stem enters, and an upper aqueous chamber which is made spill-proof by virtue of a stand pipe extending up from the lower chamber through the baffle, this stand pipe being covered by an elongated cap which bobbles up and down in the liquid-filled upper chamber as the device is used and seals against an opening and an overlying baffle when the bong is inverted to prevent spillage. An additional novel effect is produced by the bobbling of the diverter cap which covers the stand pipe, which tends to mix the inhaled smoke with the water as it bobbles.

REFERENCES:
patent: 3881499 (1975-05-01), McFadden et al.
patent: 4029109 (1977-06-01), Kahler
patent: 4164949 (1979-08-01), Diven

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