Plastic article or earthenware shaping or treating: apparatus – With means lubricating cooperating apparatus parts
Reexamination Certificate
2006-12-26
2006-12-26
Davis, Robert (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
With means lubricating cooperating apparatus parts
C425S233000, C425S326100, C425S336000, C425S369000, C425S392000, C425S396000
Reexamination Certificate
active
07153117
ABSTRACT:
Described is an apparatus for the production of transversely ribbed tubes, comprising mold jaw halves which are circulatingly moved in a condition of bearing against each other along two endless guide paths by means of a respective associated drive device, wherein the two guide paths have a common mold sections, a respective return section and two respective direction-changing sections. The respective direction-changing section has a direction-changing member provided with an arcuate guide edge. The guide paths along the common mold section and along the return sections have elongate wearing elements comprising a low-wear plastic material, which are exchangeably provided on a base arrangement of the apparatus.
REFERENCES:
patent: 3280430 (1966-10-01), Antrobus
patent: 3776679 (1973-12-01), Hegler
patent: 4439130 (1984-03-01), Dickhut et al.
patent: 6206670 (2001-03-01), Neubauer
patent: 6457965 (2002-10-01), Hegler
patent: 19702645 (1998-06-01), None
patent: 10257363 (2003-10-01), None
patent: WO- 01/58669 (2001-08-01), None
Festo MAS- . . . 0010NH—Deutsch “Fluidic Muscle Typ MAS- . . . ”.
Davis Robert
Fulbright & Jaworski LLP
Leyson Joseph
Simpson Jan K.
Unicor GmbH Rahn Plastmaschinen
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