CLAMPING TOOL AND HOLE SAW APPARATUS

Apparatus (10) and method for using a portable tool (20) for assisting th e making of holes in pipes (12) to prepare for interconnected branch or cros s lines. The apparatus includes a guide member (24) and a plurality of bushi ngs (52, 52a, 52b, Fig. 5) able to accommodate a plurality of hole saws...

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Bibliographic Details
Main Authors MANTZ, JACK I, PERKOVICH, MICHAEL P, NERDERMAN, STANLEY J
Format Patent
LanguageEnglish
French
Published 10.01.2008
Subjects
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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Summary:Apparatus (10) and method for using a portable tool (20) for assisting th e making of holes in pipes (12) to prepare for interconnected branch or cros s lines. The apparatus includes a guide member (24) and a plurality of bushi ngs (52, 52a, 52b, Fig. 5) able to accommodate a plurality of hole saws (22, 22a, 22b, Fig. 5) of varying diameters. The apparatus includes a stop membe r (46) to prevent inadvertent sawing of the opposite internal pipe wall. The apparatus includes a drill bit (40a, Fig. 4) able to span the internal diam eter of the pipe to create a pilot hole (50) to mark the centerline of the c ross hole to be sawed.
Bibliography:Application Number: CA20072655734