CLAMPING TOOL AND HOLE SAW APPARATUS

Apparatus and method for using a portable tool for assisting the making of holes in pipes to prepare for interconnected branch or cross lines. The apparatus includes a guide member and a plurality of bushings able to accommodate a plurality of hole saws of varying diameters. The apparatus includes a...

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Bibliographische Detailangaben
Hauptverfasser:	MANTZ, JACK I, PERKOVICH, MICHAEL P, NERDERMAN, STANLEY J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BORING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAND TOOLS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINE TOOLS MANIPULATORS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PIPES PORTABLE POWER-DRIVEN TOOLS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING TURNING WEAPONS
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Beschreibung
Zusammenfassung:	Apparatus and method for using a portable tool for assisting the making of holes in pipes to prepare for interconnected branch or cross lines. The apparatus includes a guide member and a plurality of bushings able to accommodate a plurality of hole saws of varying diameters. The apparatus includes a stop member to prevent inadvertent sawing of the opposite internal pipe wall. The apparatus includes a drill bit able to span the internal diameter of the pipe to create a pilot hole to mark the centerline of the cross hole to be sawed.