Claims
- 1. A system for spray forming a preform comprising:
- a cold wall induction guide tube mechanism including an orifice having a diameter;
- reservoir of melt operatively connected to the mechanism;
- stream of melt exiting the orifice;
- a skull of melt operatively formed in the cold wall induction guide tube mechanism, the mechanism comprising:
- a plurality of copper segments having gaps therebetween, the gaps having a layer of about 0.004 to about 0.010 inch thick insulation means positioned between each segment and about 1/16 inch thick sealing means positioned in the gap with the insulation means, wherein the insulation means and sealing means maintain the size of the gaps between the segments such that electric insulation in the segments is established and maintained during electroslag refining operations;
- preform means, operatively positioned below the orifice and
- an atomizer, operatively positioned between the orifice and the preform means, for atomizing the melt into metal spray.
- 2. The system according to claim 1, wherein the insulation means is separate from the sealing means.
- 3. The system according to claim 2, wherein the insulation means is a distinct and different element from the sealing means.
- 4. The system according to claim 1, wherein the sealing means comprises silicone.
- 5. An electroslag refining assembly including a reservoir of molten metal and an exit orifice in the reservoir through which a molten metal stream exits from the reservoir:
- a cold wall induction guide tube means comprising a plurality of copper segments having gaps therebetween, the gaps having a layer of insulation means and a layer of sealing means positioned in each gap, wherein the insulation means and sealing means maintain the size of the gaps between the segments such that electric insulation in the segments is established and maintained during electroslag refining operations,
- induction coil means for induction heating of the mechanism;
- a reservoir of melt operatively positioned relative to the mechanism;
- a skull of melt in the mechanism;
- a stream of the melt exiting the bottom of the mechanism;
- a spray forming atomizer, operatively positioned relative the exit orifice, for generating a spray pattern of metal droplets; and
- means, operatively connected to the spray forming atomizer and a gas supply means, for directing the spray pattern of metal droplets toward a preform.
- 6. The system according to claim 5, wherein the insulation means is separate from the sealing means.
- 7. The system according to claim 5, wherein the insulation means is a distinct and different element from the sealing means.
- 8. The system according to claim 5, wherein the sealing means comprises silicone.
Parent Case Info
This application is a continuation-in-part application of U.S. Ser. No. 08/576,792 filed Dec. 21, 1995.
US Referenced Citations (3)
Foreign Referenced Citations (1)
Number |
Date |
Country |
63-145703 |
Jun 1988 |
JPX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
576792 |
Dec 1995 |
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