Device for the production of transversely ribbed pipes

Plastic article or earthenware shaping or treating: apparatus – Sets of shaping couples comprising an endless surface for... – Corrugating means for running length work

Reexamination Certificate

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Details

C425S107000, C425S326100, C425S369000, C425S392000, C425S396000

Reexamination Certificate

active

10536489

ABSTRACT:
Described is an apparatus for the production of transversely ribbed tubes comprising mold jaw halves which are movable in a condition of bearing against each other along two guide. The guide paths have a common mold section, a respective return section and two respective direction-changing sections. The respective direction-changing section has a direction-changing member which is linearly movably guidedly arranged on a base element fixed with respect to the machine and which is connected to a compensating device which is provided to compensate for the tolerance play of the mold jaw halves which circulate along the associated guide path, said tolerance play being dependent on the temperature and/or the speed of the mold jaw halves.

REFERENCES:
patent: 3280430 (1966-10-01), Antrobus
patent: 3776679 (1973-12-01), Hegler
patent: 4439130 (1984-03-01), Dickhut et al.
patent: 4725221 (1988-02-01), Blanz
patent: 4824354 (1989-04-01), Keaton
patent: 5111735 (1992-05-01), Johnson
patent: 6206670 (2001-03-01), Neubauer
patent: 6457965 (2002-10-01), Hegler
patent: 3118932 (1995-02-01), None
patent: 19619429 (1997-12-01), None
Fluidic Muscle Type MAS- . . . (Festo MAS- . . . 0010NH—Deutsch).

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