Apparatus for molding insulating disks on coaxial-cable wire

Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Female mold type means

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264328, 425574, 425576, B29F 110

Patent

active

041336224

ABSTRACT:
A plurality of cylindrically segmental mold pairs together forming an array having an outer surface and each having a mold cavity and an inlet between a respective cavity and the surface is continuously rotated past the end of a generally stationary nozzle so as sequentially to align the inlets with the nozzle end. A plastified and hardenable resin is continuously fed under pressure to the nozzle end which is spaced from the surface of the mold array by a predetermined distance. Thus resin material continuously exits from the nozzle. When the nozzle is aligned with an inlet opening this material enters the inlet opening and forms a body therein and a sprue integral with the body. When the end is not aligned with the inlet the material escapes laterally from between the end and the surface and forms on the surface a generally continuous film unitary with the sprues. The mold pairs are sequentially opened and closed by a cam on successive spaced-apart locations of a wire before and after the molding thereon of the bodies. The sprues and the film are separated from the body after such molding and replastified for reuse.

REFERENCES:
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patent: 2744289 (1956-05-01), Wanders
patent: 3097395 (1963-07-01), Yoshida
patent: 3134137 (1964-05-01), Immel
patent: 3355771 (1967-12-01), Alberts
patent: 3445915 (1969-05-01), Cuckson et al.
patent: 3594865 (1971-07-01), Erb
patent: 3635612 (1972-01-01), Fortin et al.
patent: 3762000 (1973-10-01), Menzin et al.

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