Apparatus for cooling strands of synthetic material

Details Apparatus for cooling strands of synthetic material Apparatus for cooling strands of synthetic material

1988-08-09

1990-04-03

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Including means advancing continuous length work through...

425315, 264237, B29C 4788

Patent

active

049138995

ABSTRACT:
A device for cooling synthetic material strands exiting from an extruder nozzle is used especially in the production of synthetic material granules. The hot strands must be cooled before they can be granulated. The cooling apparatus includes a guide element which is tiltable at its upper end about a horizontal axis arranged near the extruder nozzle. Thus, the guide element continuously receives and guides the synthetic material strands exiting from the extruder nozzle. The guide element may be tilted to a first position to guide scrap material, such as start-up strand material, into a scrap bin or may be tilted into a second position to guide usable strand material onto a further guide member for further processing. The lower end of the guide element carries a cutting arrangement for cutting off the synthetic material strands. The guide element carries a cooling arrangement which at least includes a cooling water pipe with spray nozzles.

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patent: 4632752 (1986-12-01), Hunke

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