Title:
VALVE DEVICE OF CUTTING AND WELDING TORCH
Document Type and Number:
Japanese Patent JPS5740166
Kind Code:
A
Abstract:
A torch having oxygen and fuel gas passages from the torch butt to the torch tip, and valving apparatus for controlling the flow of oxygen and fuel gas from fuel and oxygen adapters on the torch butt to said passages, the valving apparatus including a valve seat, a valve stem, a first ball retained in a valve stem bore for rotation relative to the valve stem and abuttable against the valve seat to block fluid flow therethrough while the valve stem is spaced from the valve seat and a second ball rotatably mounted in a valve stem bore to abut against the first ball axially opposite the valve seat, and lubricant for being transferred from the second ball to the first ball as the valve stem rotates relative the first ball and the first ball rotates relative to the second ball, the first ball being of a substantially larger diameter than the second ball.
Inventors:
FURANKU TEII KAWAMOTO
KUREIGU II NERUSON
KUREIGU II NERUSON
Application Number:
JP10992781A
Publication Date:
March 05, 1982
Filing Date:
July 14, 1981
Export Citation:
Assignee:
TESUKOMU CORP
International Classes:
F16K1/14; B23K7/08; F23D14/46; (IPC1-7): F16K1/14