Roll

Details Roll Roll

1978-02-02

1979-04-17

Newton, Dorsey

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

19 97, 291484D, B21B 2702

Patent

active

041493036

ABSTRACT:
In a grooved drum with a working drum surface of metal consisting of a cylindrical inner drum on which at least one ribbon is helically wound, turn by turn, the radially outer boundary of which forms the working drum surface, the ribbon also forming axially extending circumferential grooves, a wire, radially spaced from the working drum circumference is wound between the turns of the ribbon to hold them at an axial spacing.

REFERENCES:
patent: 425087 (1890-04-01), Sargent et al.
patent: 1181971 (1916-05-01), Lovell
patent: 1346637 (1920-07-01), Coulston

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