Central Sprinkler Company

The B. F. Goodrich Company

Central Sprinkler Corporation

Carmine L Schiavone

Stephen J Meyer

Girish T Dalal

George G Meyer

Theodore Joseph Schmitz

Andrew L Auvil

Thomas L Evans

Fred Brannan

Kevin Wade Pressnell

Victor C Weigand, Iii

Michael W Whited

Richard F Newsome

Robert W Painter

Gary Peterson

A fire sprinkler piping system fitting including a polymeric body having at least a first tubular branch, a second tubular branch, and a third tubular branch. Each of the first, second and third tubular branches extend outwardly from a common junction. The first and second tubular branches are collinear and the third tubular branch is generally perpendicular to the first and second tubular branches. Each of the first, second and third tubular branches have a distal end opposite from the common junction. The fitting includes pair of internally threaded metal inserts. Each insert is at least partially molded into the distal end of a separate one of a first and second tubular branches. Each of the internally threaded inserts has a distal outer surface facing generally away from the common junction. The distal outer surfaces of the pair of internal threaded metal inserts is spaced apart a distance of between three inches and four inches. The distal end of the third tubular branch has a smooth internal bore to slidingly receive a smooth outer end of a length of pipe.

Fire sprinkler piping system fitting

Multilayer fluid conduits are formed by adhering to a tubular outer surface of a metal pipe, a thermoplastic outer layer. The outer layer permits ends of the multilayer conduit to be joined together in leak-proof fluid conduit systems simply by adhering the conduit ends with compatible thermoplastic fittings. For fire protection systems, the preferred metal is steel, the preferred thermoplastic is CPVC and the preferred adhesive is heat activated. The adhesive coated metal pipe is preheated and the CPVC is extruded onto the outer surface of the heated metal pipe. Through the use of fire resistive CPVC, the multilayer conduit systems of the present invention can be installed in more severe fire threat areas than can existing, all plastic piping, including all CPVC piping systems. The conduit is assembled into systems on site simply by cutting and direct bonding with ordinary, all plastic fittings using appropriate bonding agents such as solvent based adhesives. CPVC fittings are preferred for fire protection systems.

Fluid conduit systems and methods for making

Multilayer fluid conduits

A remotely monitored tamper bar apparatus for monitoring two shut-off valve handles of a water supply backflow preventer includes an elongate U-shaped member having a base and two side legs. The base and two side legs form a channel for receiving the handles and to prevent movement of the handles. A switch is operatively associated with the U-shaped member. The switch has a first position which maintains the handles within the channel and a second position which allows the U-shaped member to be removed from the handles such that movement of the handles is permitted. The switch provides a signal for remotely monitoring whether the switch is in the first position or the second position.

Remotely monitored tamper bar for a backflow preventer

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Royersford, PA, United States of America

Carmine L Schiavone