Pipe internal towing carriage

Details Pipe internal towing carriage Pipe internal towing carriage

1982-02-09

1984-07-03

Reese, Randolph

Railways

Tubular way

Internal service device

105365, B61B 1310

Patent

active

044572360

ABSTRACT:
A pipe internal towing carriage comprises friction rollers intended for engagement with the internal periphery of the pipe, the friction rollers being mounted successively on a drive shaft such that their axes of rotation are mutually parallel and intersect the axis of rotation of the shaft. The shaft has a stepped configuration, each of the steps carrying one of the rollers, the steps being axially offset relative to each other lengthwise of the shaft.

REFERENCES:
patent: 3890905 (1975-06-01), Clavin
patent: 4055315 (1977-10-01), Gvelesiani et al.

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