Valve for gas burning torch

Details Valve for gas burning torch Valve for gas burning torch

1994-03-02

1995-04-18

Walton, George L

Valves and valve actuation

Valve head movably connected for accommodation to seat

With universal connection

251 85, 251214, 251278, 251322, 251323, F16K 2500, F16K 3150, F16K 4104

Patent

active

054071739

ABSTRACT:
A valve for controlling the flow of a gas in a gas burning torch comprises a housing having a flow passageway therethrough, a valve seat in the passageway, and a valve stem carrying a ball valve element for engaging and disengaging the valve seat to respectively close and open said passageway. A rotatable operating knob for displacing the valve stem is isolated therefrom by a ball thrust bearing, and the valve stem is supported in the housing for rocking movement transverse to the stem axis.

REFERENCES:
patent: 1173728 (1916-02-01), Milne
patent: 2001251 (1935-05-01), Irving
patent: 2617621 (1952-11-01), Hobbs
patent: 2841167 (1958-07-01), Jacobson
patent: 3117762 (1964-01-01), Bartlett
patent: 3148700 (1964-09-01), Friedell
patent: 3341169 (1967-09-01), Webb
patent: 3356335 (1967-12-01), Koch et al.
patent: 3491789 (1970-01-01), Callahan, Jr. et al.
patent: 4201366 (1980-05-01), Danko et al.
patent: 4911412 (1990-03-01), Danko

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