Pipe

Details Pipe Pipe

1978-08-24

1980-09-30

Pellegrino, Stephen C.

Tobacco

Tobacco users' appliance

Device used for smoking

131222, 131223, 131194, A24F 122, A24F 1302

Patent

active

042249538

ABSTRACT:
A pipe to be used for smoking with a bowl, where the tobacco being smoked is burned, having three cavities or chambers defined therein. One of the chambers is a burning chamber wherein the tobacco to be smoked is burned, beneath the burning chamber is a screen, a control valve that varies the diameter of the passage between the burning chamber and a cooling chamber underneath this valve. A second screen separates the cooling chamber from a third chamber, called the filtering chamber. The filtering medium is the same substance being smoked and it is packed and held inside the filtering chamber with a third screen that is placed at the end of the filtering chamber. The third screen in turn is held in place when the bowl is connected to the stem. Finally, a mouthpiece is connected to the stem. The ends of the bowl piece may be interchanged, thereby providing two choices for the size of the burning chamber to be used depending on the amount of substance to be smoked.

REFERENCES:
patent: 3312228 (1967-04-01), Fassbender
patent: 3376874 (1968-04-01), Kim et al.
patent: 3463166 (1969-08-01), Bennett et al.
patent: 3921645 (1975-11-01), Hagman

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