Apparatus for making fiber-containing rubber strips

Details Apparatus for making fiber-containing rubber strips Apparatus for making fiber-containing rubber strips

2006-05-30

2006-05-30

Del Sole, Joseph S. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Means forming from bulk and downstream severing means

C425S314000, C425S381200, C425S377000, C425S464000

Reexamination Certificate

active

07052266

ABSTRACT:
An apparatus for making strips of fiber-containing rubber is disclosed, wherein the short fibers in each of the strips are oriented in the widthwise direction of the strip. The apparatus comprises: a screw section for pushing out a fluid mixture of unvulcanized rubber and short fibers as fiber-containing rubber; an orienting section comprising a radially extending path provided with an inlet in the center thereof and a looped nozzle on the periphery thereof so that the fiber-containing rubber is expanded circumferentially while flowing radially from the center towards the periphery; and a dividing section comprising a plurality of cutters arranged around the looped nozzle so that the fiber-containing rubber extruded from the looped nozzle is circumferentially divide into a plurality of strips.

REFERENCES:
patent: 3511190 (1970-05-01), Kunz
patent: 5486102 (1996-01-01), Ettie et al.
patent: 43 08 023 (1994-05-01), None
patent: 100 02 612 (2000-09-01), None
patent: 0 657 272 (1995-06-01), None
patent: 1 493 836 (1977-11-01), None

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