Apparatus for producing an extrusion of material with a central

Details Apparatus for producing an extrusion of material with a central Apparatus for producing an extrusion of material with a central

1991-12-19

1993-09-07

Bushey, Scott

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

2642091, 425466, 425467, B29C 4720

Patent

active

052422933

ABSTRACT:
An apparatus for producing extrusions, such as optical waveguide plug prongs or sheaths with a central opening, from a deformable composition, includes a receiving body having an outlet opening and having an interior tapering conically at a predetermined first angle of conicity toward the outlet opening. A flow body is to be inserted into the interior of the receiving body. The flow body has an end portion tapering conically at a predetermined second angle of conicity. The second angle of conicity is smaller than the first angle of conicity. A retainer retains the flow body in the interior of the receiving body. The retainer is resilient in radial direction of the interior of the receiving body.

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patent: 4731216 (1988-03-01), Topolski
patent: 4783299 (1988-11-01), Prevotat

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