Apparatus for the manufacture of end brush

Details Apparatus for the manufacture of end brush Apparatus for the manufacture of end brush

A - Human Necessities

46

D

300/4

A46D 3/04 (2006.01) A46B 3/06 (2006.01) A46D 1/08 (2006.01) A46D 3/00 (2006.01)

Patent

CA 1271210

ABSTRACT The invention relates to a new and useful apparatus for the manufacture of an end brush, comprised of thermo- plastic bristles. The apparatus comprises a fiber feed guide eye for fiber skein, a fiber bundle adjustable aperture plate, electric induction heater coil surrounding a tapered splined male pin and a source of cold air blast, and the tapered splined male pin activated by a compression spring to force the heated tapered splined pin into the fiber bundle held in the adjustable aperture plate. The movement of the tapered splined male pin is limited by stops. The subsequent cooling of the tapered splined pin withdraws the fused end brush from the open adjustable aperture plate and the bristles of the end brush are severed from the skein of fibers, and the end brush attached to the tapered splined pin is subsequently knocked off of the pin by means of a hammer.

589127

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