Metal founding – Means to apply vacuum directly to work or to hold or... – Means applying vacuum or suction directly to molten casting...
Patent
1995-05-05
1996-04-02
Rowan, Kurt
Metal founding
Means to apply vacuum directly to work or to hold or...
Means applying vacuum or suction directly to molten casting...
164256, 1643381, 1641221, B22D 1806, B22D 3754, B22D 2700
Patent
active
055032150
ABSTRACT:
A furnace chamber (2) has a lock (14) provided with two sealing plates (18, 22), a melting furnace (3), and a casting mold carrier (25), which can be moved horizontally through the lock (14) in the horizontal direction into a casting position (34) in the furnace chamber. An outer sealing plate (22) is mounted on a first truck (21), carrying a first rail segment (23) for a second truck (24) on the other side of the sealing plate (22), the casting mold carrier (25) being mounted on this second truck. A horizontal drive (27) is used to move the second truck (24) with respect to the first (21), and in the interior of the furnace chamber (2) there is a second rail segment (32) to which the casting mold carrier (25) is transferred from the first rail segment (23). A heating chamber (8) can be raised and lowered above the casting position (34) in the furnace chamber, which is equipped with a filling hole (12) and with heating elements (35, 36, 37). The heating chamber can be lowered over the casting mold (26) and the casting mold carrier (25).
REFERENCES:
patent: 3554268 (1971-01-01), Taylor et al.
patent: 3847203 (1974-11-01), Northwood
patent: 4590983 (1986-05-01), Reuter et al.
Betz Ulrich
Henn Alfred
Hugo Franz
Reuter Wolfgang
Leybold Durferrit GmbH
Lin I.-H.
Rowan Kurt
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