Flash control molding for molds

Details Flash control molding for molds Flash control molding for molds

1976-05-05

1977-10-25

Shore, Ronald J.

Metal founding

Means to shape a forming surface

Pattern

164235, 164249, 164 70, 164262, B22C 704

Patent

active

040552144

ABSTRACT:
A flash control molding is provided for use in association with a pattern for forming a casting cavity in a metal casting mold. The flash control molding includes an elongated strip of pliable material having a predetermined cross sectional configuration to define a thick portion for forming a flash control chamber in the mold, and a thin edge along one side of the thick portion to form a restricted opening between the flash control chamber and the casting cavity so that a casting subsequently produced in the mold is formed with controlled shaped flash which has a built-in fracture line immediately adjacent the casting proper, thereby making the flash easily and cleanly removable from the casting.

REFERENCES:
patent: 45716 (1865-01-01), Howell
patent: 128664 (1872-07-01), Saunders
patent: 153863 (1874-08-01), Truesdale
patent: 731738 (1903-06-01), Arnold
patent: 893252 (1908-07-01), Kramer
patent: 1365075 (1921-01-01), Anderson et al.
patent: 2247777 (1941-07-01), Hagemeyer
patent: 2529647 (1950-11-01), Arnette
"Modern Metals", Apr., 1954, p. 198.

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