B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/145
B22C 9/10 (2006.01)
Patent
CA 1102992
CORE ASSEMBLY IN A COUPLER FOR A RAILWAY VEHICLE ABSTRACT OF THE DISCLOSURE A novel core assembly is used in a sand mold for casting a hollow section in a coupler head extending beyond a horn line into a coupler shank of a coupler for a railway vehicle. The core assembly includes head and shank core members having face surfaces each including a recess surface and a projected surface arranged such that the recess surface in the head core receives the projected surface in the shank core. In a similar way, the recess surface in the shank core receives the projected surface in the head core to maintain the head and shank cores in an aligned abutting relation while supported in the sand mold. The face surfaces extend transversely to the coupler shank along a parting line spaced rearwardly of the plane containing the horn line of the coupler. The face surfaces are further characterized by a conically-shaped projection extending from one core member into a conically-shaped opening in the other core member to mechanically interconnect and align the two core members. The head and shank cores each includes concave side wall sections terminating at the face surfaces to pro- duce cast protrusions in the hollow section of the coupler shank at the parting line between the core members.
307215
Brown Thomas R. SR.
Oshinsky Frank W.
Macrae & Co.
Mcconway & Torley Corporation
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