Method and apparatus for the manufacture of pipes of...

Details Method and apparatus for the manufacture of pipes of... Method and apparatus for the manufacture of pipes of...

2005-09-06

2005-09-06

McDowell, Suzanne E. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Corrugating

C264S508000, C425S336000, C425S396000, C425S190000, C425S193000, C425S183000

Reexamination Certificate

active

06939503

ABSTRACT:
A method and an apparatus for the manufacture of pipes of thermoplastics with transverse profile features comprises mold segment halves which are circulated by twos on a molding path. A conveying device of the type of a gantry crane is provided for recirculation of the mold segment halves. On a conveying bridge that bridges the molding path, provision is made for two conveying carriages, which are movable in opposite directions and cross-wise of the direction of production and which have mounted on them a downward conveying arm with a holding device for a respective mold segment half. Provided downstream of the downstream end of the molding path are parking positions for additional mold segment halves, those of which that are closest to the molding path being carriages which are movable out of the path of displacement of the conveying arms.

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