B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/19
B21D 9/05 (2006.01) B21D 7/06 (2006.01)
Patent
CA 1294197
CONSOLIDATED BACKSHOE DIE FOR A TUBE BENDER MACHINE ABSTRACT OF THE DISCLOSURE An improved consolidated backshoe die is provided for use in a tube bender machine used for bending metal tubing of the type used, for example, in vehicle exhaust systems and the like. The machine includes a bending die having a convexly curved die face for bending engagement with a metal tube supported by a pair of the consolidated backshoe dies mounted on an outwardly pivoting pair of back gates. The bending die is advanced along a line extending between the back gates to engage and bend the metal tube, with the back gates swinging outwardly in opposite directions as the tube is bent. The consolidated backshoe dies are each constructed from a plurality of interlocking backshoe members adapted for partial or complete assembly on the associated back gate, thereby providing a backshoe die of variable length to permit formation of tube bends at closely spaced positions along the metal tube. In a preferred form, the consolidated backshoe dies additionally include grooved die faces on opposite sides thereof to accommodate metal tubes of different diametric sizes, and the backshoe dies are adapted for reversible mounting on the back gates to present a selected one of the die faces toward the bending die.
581814
Gowling Lafleur Henderson Llp
Grimaldo Samuel
LandOfFree
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