Band making apparatus

Details Band making apparatus Band making apparatus

1978-11-13

1980-04-29

Larson, Lowell A.

Metal deforming

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

To form helically-seamed tube

72139, 72144, B21C 3712

Patent

active

041999681

ABSTRACT:
Band making apparatus comprising a mandrel on which is wound wire of U-shaped cross-section with relatively inverted portions alternating longitudinally of the axis of the mandrel having a side edge interengaged in the channel of the other, has a guide for guiding the wire onto the mandrel provided with a guiding surface which engages the external surface of a side of the wire incoming to the mandrel, and the wire and mandrel are relatively rotated about the axis of the mandrel and reciprocated longitudinally of that axis at a controlled speed ratio such that the back pressure of previously wound turns maintains the incoming wire side against the guiding surface.

REFERENCES:
patent: 915673 (1909-03-01), Heid
patent: 1562645 (1925-11-01), Jones
patent: 1617583 (1927-02-01), Fertress
patent: 1623766 (1927-04-01), Way
patent: 2314510 (1943-03-01), Odor
patent: 2439893 (1948-04-01), Iden
patent: 2631639 (1953-03-01), Palmer
patent: 3139850 (1964-07-01), Wiegel
patent: 4046176 (1977-09-01), LeGall

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