Metal deforming – By use of non-deforming work-gripping clamp and relatively... – Plural or complex apparatus
Patent
1977-03-30
1978-07-25
Keenan, Michael J.
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
Plural or complex apparatus
72312, 72404, 72421, B21D 1908
Patent
active
041021738
ABSTRACT:
A high speed end forming apparatus for elongated work pieces, such as coated tube, includes two selectively variably spaced C-shape heads having feed openings therein to receive the two ends of the advancing work piece, the two ends sequentially being clamped and formed in such position, respectively, by relatively movable chuck jaws and forming apparatus carried by such C-shape heads. The work piece is advanced to the C-shape heads by a walking beam transfer conveyor that is simultaneously operative to deliver an unformed work piece to the C-shape heads and to remove a formed work piece from the C-shape heads.
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patent: 3108699 (1963-10-01), Anschutz
patent: 3225581 (1965-12-01), Hinderer
patent: 3786666 (1974-01-01), York, Jr.
patent: 3848453 (1974-11-01), Hardt
patent: 3852015 (1974-12-01), Stansbury
Keenan Michael J.
Wheatland Tube Company
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