Screw removing apparatus for vertical extruders

B - Operations – Transporting – 25 – B

Patent

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B25B 27/00 (2006.01) B29C 47/08 (2006.01) B29C 47/58 (2006.01)

Patent

CA 1042187

SCREW REMOVING APPARATUS FOR VERTICAL EXTRUDERS ABSTRACT OF THE DISCLOSURE Screw removing apparatus for vertical extruders wherein the screw is removable through the bottom of the extruder barrel, the apparatus including an adaptor for attaching to the upper end of the screw, a winch for fastening to the adaptor and which includes a yieldable locking means which enables the winch to support the weight of the screw and which yields upon application of a predetermined downward force to the adaptor which is sufficient to overcome the yieldable locking means.

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