Three layer shot sleeve assembly

Details Three layer shot sleeve assembly Three layer shot sleeve assembly

1988-12-05

1990-05-22

Seidel, Richard K.

Metal founding

Means to shape metallic material

Pressure shaping means

164138, B22D 1710

Patent

active

049269267

ABSTRACT:
A three-layer shot sleeve assembly for transferring molten metals to a die and method of making same. A copper layer is welded onto a steel inner barrel leaving a region at each end of the inner sleeve upcoppered. A high yield strength outer shell is shrink fitted onto the coppered inner barrel. The two steel layers are welded together at the two ends. The steel outer shell is more massive and stronger than the inner barrel and serves to hold the inner barrel straight until excessive heat build up in the region opposite the well area is dissipated by the copper layer and transferred to the outer shell.

REFERENCES:
patent: 3515203 (1970-06-01), Parlanti et al.
patent: 3533464 (1970-10-01), Parlanti et al.
patent: 3672440 (1972-06-01), Miura et al.
patent: 4623015 (1986-11-01), Zecman
patent: 4635851 (1987-01-01), Zecman

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