Combination of mold and alloy core pin

Details Combination of mold and alloy core pin Combination of mold and alloy core pin

1988-05-12

1991-06-04

Housel, James C.

Static molds

Including solid heat conductor or insulator, i.e., chill or...

249135, 249144, 249175, 420488, B29C 3338

Patent

active

050207709

ABSTRACT:
The combination of a mold body for molded plastics or the like with a materials alloy core pin which at one and the same time establishes an aperture in the molded material and substantially reduces the mold cooling time by being formed from an alloy which rapidly dissipates heat that includes copper, nickel, silicon and chromium. The percentages of each material in the alloy can vary in a range but there is a preferred percentage to total materials for rapid cooling purposes.

REFERENCES:
patent: 3635702 (1972-01-01), Badia et al.
patent: 3676310 (1972-07-01), Wishnie
patent: 3817487 (1974-06-01), Riedel
patent: 3988176 (1976-10-01), Watanabe et al.
patent: 4191601 (1980-03-01), Edens et al.
patent: 4594221 (1986-06-01), Caron et al.
Nichols, Malcolm A., "Use of Beryllium Copper in Plastic Molds", India Rubber World, N.Y., N.Y., Apr. 1952, pp. 80-81.
Moberg, Clifford, "Cycle-Time Reductions Through High-Thermal-Conductivity Metals", Plastics Machinery & Equipment, Feb. 1988.

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