Mold tooling for the manufacture of thermoplastic parts

Details Mold tooling for the manufacture of thermoplastic parts Mold tooling for the manufacture of thermoplastic parts

1982-03-17

1983-05-17

Flint, Jr., J. Howard

Static molds

Container-type molding device

Of named component

249102, 249160, 425808, 425405R, 425542, 425192R, B29C 100, B29D 1100, B29F 100

Patent

active

043836720

ABSTRACT:
The invention contemplates mold tooling adapted for the molding of a variety of thermoplastic parts. The mold comprises two die elements which carry die-insert plugs, and the mutually facing surfaces of these plugs determine the shape of the part to be produced. In order to retain the insert plugs (3, 4) in the die elements (1, 2) in such manner that they can be simply and easily replaced, that surface (7, 8) of an insert plug (3, 4) which faces its supporting die element (1, 2), and that surface (5, 6) of the supporting die element (1, 2) which serves to receive the involved insert plug (3, 4), are developed as polished spherical surfaces of the same radius R.sub.N. Each interchangeable insert plug has a spherical seating surface of the same spherical radius R.sub.N.

REFERENCES:
patent: 2245608 (1941-06-01), Rogers
patent: 2298429 (1942-10-01), Smith
patent: 2304664 (1942-12-01), Smith
patent: 2357950 (1944-09-01), Goessling
patent: 2394941 (1946-02-01), Smith
patent: 2406361 (1946-08-01), Fairbank et al.
patent: 2424235 (1947-07-01), Hoffer
patent: 2443826 (1948-06-01), Johnson
patent: 3079503 (1963-02-01), Weir et al.
patent: 3509593 (1970-05-01), Kirk
patent: 3605195 (1971-09-01), Campbell
patent: 3871611 (1975-03-01), Taketa
patent: 4251474 (1981-02-01), Blandin
"Miniature Diamond Ultrahigh Pressure Cell Adapted for In-Reactor Irradiation Studies", from the Review of Scientific Instruments, vol. 37, No. 7, pp. 871-873, Jul. 1966.

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