Turning bar draw-off device for a tubular film extrusion...

Plastic article or earthenware shaping or treating: apparatus – Means treating shaped work

Reexamination Certificate

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Details

C425S066000, C425S072100, C425S325000, C425S326100, C425S377000, C425S383000, C425S392000, C264S176100, C264S280000, C242S615000

Reexamination Certificate

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07445443

ABSTRACT:
A turning bar draw-off device for a tubular film extrusion installation, with a plurality of turning bars which can be rotatingly driven around a common axis of rotation or in reverse by rotary drive mechanisms. For the rotating or reversing guidance of the turning bars around the axis of rotation, the ends of each turning bar are connected with guide carriages, which are guided on guide rails arranged in a circle.

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patent: 5013234 (1991-05-01), Reinhold
patent: 5360328 (1994-11-01), Cree et al.
patent: 5589201 (1996-12-01), Tkach et al.
patent: 5727723 (1998-03-01), Cree
patent: 6241502 (2001-06-01), Baeumer et al.
patent: 7201300 (2007-04-01), Buri et al.
patent: 21 56 079 (1983-07-01), None

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