Method of and apparatus for producing expanded metal

Details Method of and apparatus for producing expanded metal Method of and apparatus for producing expanded metal

1985-07-12

1986-11-11

Goldberg, Howard N.

Metal working

Expanded metal making

B21D 3104

Patent

active

046213970

ABSTRACT:
An apparatus for producing expanded metal from a metal foil includes a cutting tool which provides the advancing metal foil with intermittent cuts in conveying direction. Arranged at a downstream portion, the apparatus comprises a stretching unit which includes a pair of toothed bottom belts and a pair of toothed top belts which seize and clamp the metal foil along its edges and stretch the latter in a direction transverse to the conveying direction, if necessary, by cooperating with a nose-like ramp interposed between the pair of bottom belts and the pair of top belts.

REFERENCES:
patent: 796183 (1905-08-01), Bradford
patent: 3276096 (1966-10-01), McAleer et al.
patent: 4305187 (1981-12-01), Iwamura et al.
patent: 4486927 (1984-12-01), Hunter et al.

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