Apparatus for producing profiled strands

Details Apparatus for producing profiled strands Apparatus for producing profiled strands

1983-07-01

1985-08-13

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Cutter guided by a template or a pattern

264 37, 264145, 264167, 264177R, 425217, 425298, 425311, 425315, 425325, B29C 1714

Patent

active

045347247

ABSTRACT:
A sealing profiled strand of elastomeric materials provided with sealing lips along portions of the strand. The strands emerge from the nozzle or orifice of the extruder, at which point they still have a complete cross section. While still in the plastic state, the strands are cut by a transversely movable cutting knife which is curved in conformity to the outer contour of the strand. The strand is cut pursuant to a prescribed pattern in such a way as to remove portions of the sealing lip.

REFERENCES:
patent: 12685 (1907-08-01), Reynolds
patent: 811793 (1906-02-01), Reynolds
patent: 2446493 (1948-08-01), Silvia et al.
patent: 3093443 (1963-06-01), Levinson
patent: 3555137 (1971-01-01), Carmody
patent: 3723582 (1973-03-01), Winstead
patent: 4009237 (1977-02-01), Kimura et al.
patent: 4272472 (1981-06-01), Hulin et al.

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