Static molds – Including static filling means in contact with mold cavity – Sink head or hot top
Patent
1984-02-01
1985-10-15
Godici, Nicholas P.
Static molds
Including static filling means in contact with mold cavity
Sink head or hot top
249197, 249201, 249202, B22D 710
Patent
active
045469520
ABSTRACT:
A disposable hot top board includes a compressible seal positioned along the outer surface of the board to form a seal between the bottom of the board and the mold wall. In a preferred form, the disposable hot top board comprises an insulating or exothermic material having a reticulated metal mesh embedded therein. A metal plate extends along at least a portion of the outer surface and a ceramic fiber strip extends along a bottom portion of the board. A perforated metal retention strip with a first end interwoven with the mesh and a second end extending outward from the board, is used with a big end up mold having a pair of slots. In addition to the standard internal wedge system, the board is forcibly retained against the ingot mold to compress the fiber strip into a seal by a rod which engages the metal retention strip in a wedging type relationship with the mold exterior.
REFERENCES:
patent: 1893207 (1933-01-01), Messler et al.
patent: 1921729 (1933-08-01), Charman
patent: 2231813 (1941-02-01), McDonald
patent: 2301101 (1942-11-01), Welshans
patent: 3421731 (1969-01-01), Koch et al.
patent: 3722848 (1973-03-01), Young
patent: 3972502 (1976-08-01), Korhel
Batten, Jr. J. Reed
Godici Nicholas P.
Metallurgical Exoproducts Corporation
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