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Bernard Welding Equipment Company

Glen A Jones

Richard L Jones

Robert Lloyd Warning

Valgene E Raloff

Frank J Britto, Jr

A liquid-cooled welding torch assembly for use in robotic welding that includes a body tube with a set of male connectors, the body tube guiding an electrode, and a flow of coolant to a welding tip. A supply cable adapter including a set of female connectors corresponding to the set of male connectors. At least one of the male connectors includes a rigid tube with a plurality of axially compressible and radially expandable sealing members coaxially and slidably disposed about the rigid tube, whereby the plurality of axially compressible and radially expandable sealing members expand to create a seal between the at least one of the male connectors and a corresponding one of the set of female connectors.

Liquid-cooled welding torch assembly

An apparatus for welding a workpiece comprises a body tube having a tapered portion defining a first angle, and an end fitting releasably connectable with the body tube and having a tapered portion defining a second angle. The tapered portion of the body tube is releasably connectable with the tapered portion of the end fitting. The first angle differs from the second angle by a distance sufficient for facilitating manual separation of the tapered portion of the body tube from the tapered portion of the end fitting. A liner has a first portion disposed within the end fitting and a second portion disposed within the body tube. A connection member operatively releasably connects the first portion of the liner with the second portion of the liner. A member is disposed on the body tube or the end fitting for releasably connecting the body tube to the end fitting. A positive stop member is formed the body tube or the end fitting for positively retaining the member on the body tube or the end fitting.

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Wilmington, IL, United States of America

Glen A Jones