Bowen Tools, Inc.

Albert L Burns

A new and improved dead man safety assembly having an activator lever mounted for movement from an operable position to an inactive position and a safety trigger mechanism coacting with the activator lever for preventing unintentional movement of the activator lever to the operable position. The control mechanism activated by the activator lever may be fluidic or electrical. The instant special application of the dead man safety assembly is related to control of hand-held abrasive hose and nozzle structures.

Dead man safety assembly

A control valve assembly for regulating the mixing of abrasive from a pressurized tank with high pressure fluid during abrasive blasting operations having a tubular abrasive flow pipe and an abrasive control nozzle within a control valve housing, with provisions for moving the abrasive control nozzle and the tubular abrasive flow pipe relative to each other to and from an abrasive fluid mixing position from and to a sealed, closed position, respectively.

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Houston, TX, United States of America

Albert L Burns