Lost modeling-compound casting pattern and method of preparing i

Details Lost modeling-compound casting pattern and method of preparing i Lost modeling-compound casting pattern and method of preparing i

1992-08-07

1994-01-11

Batten, Jr., J. Reed

Metal founding

Process

Shaping a forming surface

164 35, 164246, 164249, 264 22, 264222, 264317, B22C 702

Patent

active

052772411

ABSTRACT:
The shape-dictating surfaces of the pattern are constituted by a thin self-supporting shell (4 & 5) of photocured polymer. The shell is produced by a laser controlled by a computer with reference to a design drawing. The inside of the shell is packed full of low melting-point modeling compound. The areas (6 & 7) of the pattern that do not dictate shape are demarcated by the low melting-point modeling compound.

REFERENCES:
patent: 4844144 (1989-07-01), Murphy et al.

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