Apparatus for producing a pipe from metal strip

Details Apparatus for producing a pipe from metal strip Apparatus for producing a pipe from metal strip

1976-01-16

1978-04-04

Husar, Francis S.

Metal deforming

By tool-couple pressing together adjacent surface portions...

To form helically-seamed tube

72135, 72 66, B21C 3712, B21D 1106

Patent

active

040819817

ABSTRACT:
Apparatus for forming pipe from an elongated metal strip including a supply reel for the strip, an elongated tubular carrier, an axle at one end of the carrier for supporting the supply reel and edge-forming means for bending the edges of the strip to join them in a helical fashion to form the pipe wall. In one embodiment, the supply reel is supported at one end of the carrier and the strip is guided through the carrier and out through an opening near the other end. The carrier is supported for horizontal rotation. Near the opening there are guide rolls arranged in a helical path so that the strip emerges through the carrier, goes through the guide rolls, and then goes through the edge-forming devices including profiling and rabbeting rolls, also helically arranged. A motor is mounted at that end of the carrier and a chain drive from the motor drives the profiling and rabbeting rolls. In another embodiment, the supply reel and the guide rolls and profiling means are all at the same end of the carrier, the supply roll being supported within a frame and the guide and profiling rolls being supported on that same frame. The entire apparatus can be mounted on a carriage for longitudinal motion to advance as the pipe is produced. Alternatively, the forming apparatus can sit still while the pipe being produced is continuously withdrawn from the forming area.

REFERENCES:
patent: 3314141 (1967-04-01), Bacroix
patent: 3417587 (1968-12-01), Campbell

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