Glass bat

Details Glass bat Glass bat

1998-03-16

2000-11-21

Silverman, Stanley S.

Tobacco

Tobacco users' appliance

Device used for smoking

131330, 206244, A24F 128

Patent

active

061488267

ABSTRACT:
A device for smoking combustible materials includes a tubular body member constructed entirely of heat-resistant glass material. The device has an internal bore with an integrally formed venturi that separates the bore into a smoke chamber and a loading chamber. A method of forming the device includes providing a tubular body member constructed entirely from a heat-resistant glass material; forming a constricted passage in a bore of the tubular body member by applying heat to a predetermined location on the tubular body member until the glass material expands into the bore at the predetermined location; and smoothing the outer surface of the tubular body member at the predetermined location.

REFERENCES:
patent: 163976 (1875-06-01), Cook
patent: D177602 (1956-05-01), Wang
patent: 201031 (1878-03-01), McCarter
patent: 3709233 (1973-01-01), Stelitano
patent: 4214658 (1980-07-01), Crow
patent: 4286607 (1981-09-01), Claessens
patent: 4289149 (1981-09-01), Kyriakou
patent: 4328795 (1982-05-01), Cabaniss, III
patent: 5065766 (1991-11-01), Lawson et al.

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