Tension expansion clamping tool block
First Claim
1. An apparatus for expanding and belling a tube in tension, comprising:
- a receiver for supporting a first end of a tube;
a stripper block assembly for orienting a second end of the tube along an axis, the stripper block assembly including a first grip and a second grip movable in and out of engagement with a surface of the tube;
a movable belling tool axially aligned with the tube for belling a desired length of the tube and for supporting the second end of the tube; and
an expander tool arranged to pass through the axially aligned tube to expand the tube, the expander tool including an expander rod connected to an expander bullet, wherein a portion of the expander bullet has a diameter larger than an inner diameter of the tube;
wherein the first grip and the second grip are movable between a first position and a second position, wherein movement of the expander tool within the tube is limited by the first grip and the second grip when the first grip and the second grip are in the second position and movement of the expander tool within the tube is not limited by the first grip and the second grip when the first grip and the second grip are in the first position;
wherein the expander rod has a length sufficient to travel the whole tube length, the expander bullet being advanced from the second end to the first end of the tube.
1 Assignment
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Accused Products
Abstract
An apparatus for expanding and belling a tube is provided including a receiver for supporting a first end of the tube. A stripper block assembly orients a second end of the tube along an axis. The stripper block assembly includes a first grip and a second grip movable in and out of engagement with a surface of the tube. The apparatus also includes a movable belling tool axially aligned with the tube. The belling tool bells a desired length of the tube and supports the second end of the tube. An expander tool is arranged to pass through the axially aligned tube to expand the tube. The expander tool includes an expander rod and an expander bullet. A portion of the expander bullet has a diameter larger than the diameter of the tube.
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Citations
8 Claims
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1. An apparatus for expanding and belling a tube in tension, comprising:
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a receiver for supporting a first end of a tube; a stripper block assembly for orienting a second end of the tube along an axis, the stripper block assembly including a first grip and a second grip movable in and out of engagement with a surface of the tube; a movable belling tool axially aligned with the tube for belling a desired length of the tube and for supporting the second end of the tube; and an expander tool arranged to pass through the axially aligned tube to expand the tube, the expander tool including an expander rod connected to an expander bullet, wherein a portion of the expander bullet has a diameter larger than an inner diameter of the tube; wherein the first grip and the second grip are movable between a first position and a second position, wherein movement of the expander tool within the tube is limited by the first grip and the second grip when the first grip and the second grip are in the second position and movement of the expander tool within the tube is not limited by the first grip and the second grip when the first grip and the second grip are in the first position; wherein the expander rod has a length sufficient to travel the whole tube length, the expander bullet being advanced from the second end to the first end of the tube. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification