Static molds – Including static filling means in contact with mold cavity – Having inlet to cavity at or near bottom of cavity
Patent
1979-12-18
1982-11-02
Scherbel, David A.
Static molds
Including static filling means in contact with mold cavity
Having inlet to cavity at or near bottom of cavity
164363, 249110, 222591, B22D 4108
Patent
active
043569943
ABSTRACT:
The invention relates to the units of a pouring system for uphill teeming. Conventionally, such units are formed by a pouring trumpet having a two-part heavy duty iron casing, and by runners set in channels in a heavy cast iron base plate, requiring skillful assembly on site. When unskilled personnel are utilized there is frequently incorrect assembly and positioning, leading to jointing and cracking, faults which in turn leads to molten metal penetration during pouring with consequent damage to the cast iron casing of the trumpet and the case iron base plate with the inherent danger of a complete break-out. The objective of the invention is to alleviate the problems outlined above, that objective being met by providing the units of a pouring system for uphill teeming each comprising an outer casing, an inner refractory liner and a refractory insulating material between the outer casing and the inner liner, each unit being pre-assembled as a complete unit for delivery to a casting bay. Considerable further advantages are realized when the outer casing is of a destructible material such as a cardboard tube.
REFERENCES:
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patent: 3358746 (1967-12-01), Crowe
patent: 3472943 (1969-10-01), Campbell
patent: 3599708 (1971-08-01), Suzuki
patent: 3929184 (1975-12-01), Reuter et al.
Dyson Refractories Limited
Scherbel David A.
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