B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/27
B21D 11/06 (2006.01) B21D 11/14 (2006.01)
Patent
CA 2018333
Apparatus for twisting a strip of flat material into a helix or other suitable shape comprising one or more feed rollers adapted to feed the strip in to means for guiding and locating the strip in the plane of its longitudinal axis, and from whence the strip passes into twist rolls which are angularly rotatable with respect to the guide means and which are provided with surfaces which grip the strip and when so angularly rotated twist the strip about its longitudinal axis.
Cheshunt Engineering Limited
Rolston George A.
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