Pipe preparation tool adaptable for different diameter pipes
First Claim
1. A tool for preparing a pipe end for engaging a mechanical pipe coupling, said tool comprising:
- a body;
a first roller rotatably mounted on said body and having a first outwardly facing surface engageable with said pipe end;
a pivot arm having one end pivotally mounted on said body and a free end pivotally movable;
a second roller rotatably mounted on said free end of said pivot arm, said second roller having a second outwardly facing surface engageable with said pipe end;
a third roller rotatably mounted on said body and having a third outwardly facing surface engageable with said pipe end, said rollers being positioned in spaced relation about a central axis said second roller being pivotally movable toward and away from said central axis;
an actuator engageable with said pivot arm for moving said second roller toward and away from said central axis;
said pipe end being positionable along said central axis for engagement with said rollers, said body and said pipe end being rotatable relatively to one another about said central axis so as to engage said rollers circumferentially around said pipe end, said actuator for forcibly engaging said rollers with said pipe end;
one of said rollers having a tool surface on said outwardly facing surface for preparing said pipe end.
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0 Petitions
Accused Products
Abstract
A tool for preparing pipes for coupling using mechanical couplings is disclosed. The tool has a movable roller pivotally attached to a body, a tapered roller rotatably attached to the body and a plurality of tool rollers rotatably mounted on a carriage slidable within the body. Each tool roller has a chamfering flange, a grooving flange and a textured, surface for chamfering the pipe end, forming a groove in the pipe end and marking the pipe end. The carriage is movable to position a tool roller at a predetermined distance from the pipe centerline. The tapered roller and the movable roller support the pipe end at an equiangular spacing from the tool roller. The movable roller is actuated by a jackscrew to forcibly engage the tool roller with the pipe end as the tool is rotated about the pipe end circumference to form the chamfer, the groove and an insertion depth mark.
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Citations
45 Claims
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1. A tool for preparing a pipe end for engaging a mechanical pipe coupling, said tool comprising:
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a body;
a first roller rotatably mounted on said body and having a first outwardly facing surface engageable with said pipe end;
a pivot arm having one end pivotally mounted on said body and a free end pivotally movable;
a second roller rotatably mounted on said free end of said pivot arm, said second roller having a second outwardly facing surface engageable with said pipe end;
a third roller rotatably mounted on said body and having a third outwardly facing surface engageable with said pipe end, said rollers being positioned in spaced relation about a central axis said second roller being pivotally movable toward and away from said central axis;
an actuator engageable with said pivot arm for moving said second roller toward and away from said central axis;
said pipe end being positionable along said central axis for engagement with said rollers, said body and said pipe end being rotatable relatively to one another about said central axis so as to engage said rollers circumferentially around said pipe end, said actuator for forcibly engaging said rollers with said pipe end;
one of said rollers having a tool surface on said outwardly facing surface for preparing said pipe end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A tool for preparing a pipe end for engaging a mechanical pipe coupling, said tool comprising:
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a body;
a plurality of rollers rotatably mounted on said body, each of said rollers having an outwardly facing surface engageable with said pipe end, said rollers being positioned in spaced relation about a central axis;
one of said rollers being a tool roller having a plurality of tool surfaces on said outwardly facing surface for preparing said pipe end;
one of said rollers being a movable roller movable toward and away from said central axis;
one of said rollers being a tapered roller having a lengthwise taper angle formed by said tapered roller having a smaller diameter at one end and a larger diameter at an opposite end;
said tool including an actuator mounted on said body for moving said movable roller toward and away from said central axis; and
said pipe end being positionable along said central axis for engagement with said rollers, said body and said pipe end being rotatable relatively to one another about said central axis so as to engage said rollers circumferentially around said pipe end, said actuator for forcibly engaging said rollers with said pipe end. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A tool for preparing a pipe end for engaging a mechanical pipe coupling, said tool comprising:
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a body;
a first roller rotatably mounted on said body and having a first outwardly facing surface engageable with said pipe end;
a second roller rotatably mounted on said body and having a second outwardly facing surface engageable with said pipe end, said second roller being movable relatively to said body;
a carriage movably mounted on said body facing said first and second rollers, a plurality of third rollers being rotatably mounted on said carriage, each of said third rollers having an outwardly facing surface engageable with said pipe end, said first, second and third rollers being positioned in spaced relation about a central axis;
an actuator mounted on said body for moving said second roller toward and away from said central axis, said third rollers each being positioned at a different distance from said central axis, said pipe end being positionable along said central axis for engagement with said rollers, said body and said pipe end being rotatable relatively to one another about said central axis so as to engage said rollers circumferentially around said pipe end, said actuator for forcibly engaging said rollers with said pipe end, one of said rollers having a tool surface on said outwardly facing surface for preparing said pipe end, said carriage being movable so as to adjustably position each of said third rollers in a predetermined spaced relation to said first and second rollers one at a time, thereby adapting said tool to accommodate pipe ends having varying diameters. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45)
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Specification