Single-cast, high-temperature, thin wall structures and methods

Details Single-cast, high-temperature, thin wall structures and methods Single-cast, high-temperature, thin wall structures and methods

1992-02-18

1994-03-22

Bradley, Paula

Metal founding

Process

Shaping a forming surface

164133, 164 34, 164137, B22C 900, B22C 904, B22D 3906

Patent

active

052955303

ABSTRACT:
Disclosed is a single-cast, thin wall structure capable of withstanding impinging gases at temperatures of 4300.degree. F. and higher, and method of making the same. Using a bleed line of the instant invention allows for a decreasing metal pressure with respect to time which prevents any damage to the thin outer mold wall.

REFERENCES:
patent: 3659645 (1972-05-01), Rose
patent: 4077458 (1978-03-01), Hayashi
patent: 4421153 (1983-12-01), Wilkinson
patent: 4552198 (1985-11-01), Mills
patent: 4617977 (1986-10-01), Mills
patent: 4811778 (1989-03-01), Allen
patent: 4986333 (1991-01-01), Gartland
patent: 5234045 (1993-08-01), Cisko

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