Profiling die

Details Profiling die Profiling die

1979-01-08

1981-04-28

Bleutge, John C.

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

Adjustable shaping orifice or shape imparting insert member

425392, 425467, 425DIG55, B29F 304

Patent

active

042642949

ABSTRACT:
A profiling die for use in processing tubular material where finish is a priority, such as for use in a catheter, the die being composed of a body of heat conductive material having a through passageway composed of a first bore extending from one face and a second coaxial bore extending from an opposite face, the second bore being larger than the first bore and there being an intermediate section between the bores which is tapered from the diameter of the second bore to the diameter of the first bore and wherein the tapered intermediate section and the first bore are aligned by an integral annular insert of Teflon material and preferably a keeper is provided to maintain the insert within the die.

REFERENCES:
patent: 2403476 (1946-07-01), Berry et al.
patent: 2446620 (1948-08-01), Swallow et al.
patent: 3966387 (1976-06-01), Babbin et al.
patent: 4124351 (1978-11-01), Garbuio

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