B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
340/124, 340/144
B22D 2/00 (2006.01)
Patent
CA 1239457
ABSTRACT OF THE DISCLOSURE The time history of a molten metal casting charge being introduced into a mold cavity is recorded by an electrically operated recording means including a plurality of electrical circuits, each of which produces a timing signal upon being completed or closed and is connected to an electrical timing lead having an electrically bare, free end adapted to be located in the mold cavity. The free ends of the timing leads are positioned at predetermined locations of interest in the mold cavity and the molten metal serves as a common ground for completing the electrical circuits in the recording means. The timing cycle is started in response to the molten metal contacting the electrically bare, free end of an electrical trigger lead located near the inlet of the mold cavity and electrically connected to the recording means. Time signals, indicative of the elapsed time between the starting time and the time the molten metal reaches each of the predetermined locations in the mold cavity, are produced in response to the molten metal contacting the free ends of the timing leads.
438790
Bailey Francis V.
Waskiewicz John J.
Outboard Marine Corporation
Smart & Biggar
LandOfFree
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