Apparatus for the manufacture of corrugated pipes of thermoplast

Details Apparatus for the manufacture of corrugated pipes of thermoplast Apparatus for the manufacture of corrugated pipes of thermoplast

1995-04-24

1996-10-01

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Means permitting removal or substitution of elements during...

2642094, 264286, 264508, 425186, 425233, 425326100, 425336, 425395, 425396, B29C 5330

Patent

active

055609414

ABSTRACT:
An apparatus for the manufacture of corrugated pipes of thermoplastic plastics, which has circulating mold segment halves disposed in two opposite rows subsequent to an injection head, includes a wedge element for separating the mold segment halves. This wedge element is displaceable parallel to the direction of production. Further, grab equipments are provided to be displaceable,counter to the direction of production, by which one additional mold segment half at a time can be moved to the downstream end of a molding path, removed from the latter in the direction of production and moved into a parking position.

REFERENCES:
patent: 3776679 (1973-12-01), Hegler
patent: 4212618 (1980-07-01), Hegler et al.
patent: 4381276 (1983-04-01), Hegler et al.
patent: 4787598 (1988-11-01), Rahn et al.
patent: 5002478 (1991-03-01), Lupke

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