B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 17/24 (2006.01) B22D 17/22 (2006.01) F02M 69/46 (2006.01)
Patent
CA 2138102
A process for casting a pipe such as a delivery pipe with transversal holes, the pipe having an elongate longitudinal hole and at least one pair of transversal holes communicating with the longitudinal hole in a substantially normal direction thereto. The process comprises the steps of positioning a rod-like center pin for forming the longitudinal hole in a predetermined positional relation to a cavity formation surface of a casting die, positioning a pair of mandrel pins for forming the pair of transversal holes such that end faces thereof are in contact with side surfaces of the center pin, and charging molten metal into a die cavity after the center pin and the pair of mandrel pins have been positioned. The molten metal is charged under the condition that the center pin is prevented from deforming by the pair of mandrel pins.
Kadono Hidehiko
Karaki Mitsuhiro
Mori Hiroaki
Ota Atsushi
Uda Seiji
Gowling Lafleur Henderson Llp
Toyota Jidosha Kabushiki Kaisha
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