Importance

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Abstract

A tester having a pair of bolsters connected together by a tension framework and adapted to receive therebetween a pipe to be tested. One of the bolsters is movable along the framework to accommodate pipes of different lengths and locking pins are provided to secure the movable bolster at select positions along the length of the framework. The pins are received in openings having enlarged portions to facilitate pin insertion and reduced portions to provide confronting surface-to-surface contact between the pins and the openings upon test loading. The movable bolster carries its own pumping facility to withdraw water from a sump disposed beneath the tester and pump the water through a charging conduit on the bolster and into the pipe being tested. A stripper extends through the charging conduit to selectively remove a pipe from the movable bolster upon completion of a test. Vertically adjustable carriages are provided to support pipes of different diameter in a condition aligned with the bolsters. The carriages support the pipe on rolls mounted for movement about axes extending normal to the longitudinal dimension of the pipes, and brakes are provided to selectively brake the rolls against rotation. The tester supports a pipe being tested in a condition sloping downwardly relative to the movable bolster.

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First Claim