Hollow melt core having an opening and cover which seals the ope

Details Hollow melt core having an opening and cover which seals the ope Hollow melt core having an opening and cover which seals the ope

1994-05-20

1995-05-16

Woo, Jay H.

Static molds

Including destructible feature

Destructible by heat or fusion

264221, 264317, 425438, 425542, B29C 3376

Patent

active

054153735

ABSTRACT:
A melt core constructed of a low temperature melting point alloy for producing a cavity in a structural part manufactured by injection molding, the melt core being formed as a hollow body. Depending upon the production process employed, the hollow body is provided with an opening, which is tightly sealed by a separately produced cover constructed of the same material as the hollow body that it seals.

REFERENCES:
patent: 964510 (1910-07-01), Gleason
patent: 2280074 (1942-04-01), Halsall
patent: 2345977 (1944-04-01), Howald et al.
patent: 2759231 (1956-08-01), Parlanti
patent: 3692892 (1972-09-01), Lemelson
patent: 4424183 (1984-01-01), Nelson
patent: 5173237 (1992-12-01), Kidd

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