Method and apparatus for simultaneous edge bending of stair...

Details Method and apparatus for simultaneous edge bending of stair... Method and apparatus for simultaneous edge bending of stair...

B - Operations, Transporting

21

D

153/43

B21D 5/00 (2006.01) B21D 7/022 (2006.01) B21D 7/03 (2006.01)

Patent

CA 1074682

Abstract A method and apparatus is disclosed for simultaneously bending a length of handrail channel stock and handrail cap stock in an iron bender with a main frame and a swing frame, which comprises the steps of fitting the channel stock, with a length of flat stock inserted between its flanges, into the recessed underside of the cap stock, and bending the resultant assembly in a bender fitted with appropriately grooved back block, forming die and drawing block.

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