B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/33
B21D 7/02 (2006.01) B21D 7/06 (2006.01)
Patent
CA 1238563
TITLE: BENDING APPARATUS A B S T R A C T Apparatus or bending a light gauge, profiled, metal panel to a curved shape, including an anvil mounted on a frame and having a part-annular surface, an arm mounted for pivotal movement about the centre of curvature of the part- annular surface, a roller carried by said arm at a position spaced from said centre and rotatable about its own axis, so that it can roll in an arc adjacent said annular surface, a mandrel carried by said arm for movement therewith at a location between said roller and surface, said mandrel comprising a plurality of blocks each having its length parallel to the roller axis, the blocks being juxtaposed in side-by-side relation and each shaped to conform to the profile of the panel to be bent, and at least one flexible element passing through all of said blocks and loosely holding them in juxtaposed relation, but allowing slight relative movement whereby, in use, with the mandrel engaged in the profile of a panel to be bent, the mandrel acts as a shape retaining member for the profiled panel, the mandrel moving relative to the part-annular surface.
470105
Gowling Lafleur Henderson Llp
Hunter Douglas Canada Limited
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