Vacuum press for continuous production of plastic extruded masse

Details Vacuum press for continuous production of plastic extruded masse Vacuum press for continuous production of plastic extruded masse

1992-03-13

1994-04-05

Bushey, Charles S.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Pivotally joined housings or housing sections enclosing...

425192R, 425197, 425203, 425204, B29C 4708

Patent

active

052999270

ABSTRACT:
Cleaning of vacuum presses is facilitated by providing a vacuum press housing that is composed of pivotable housing elements which are in turn pivotally attached to the press frame. The horizontally hinged cylinder halves that serve as housing elements of the preliminary press are connected by way of a flange connection to a sieve plate holder which is likewise arranged on a U-shaped support of the press frame so that it is pivotally movable horizontally. Arranged displaceably at the other end of the press is a joint washer with radial and lateral sealing means. The vacuum chamber which can be raised and lowered vertically and which can be pivoted horizontally is releasably connected to the joint washer by snap closure means. Pivotal movement of the vacuum chamber is ensured by a hinge connection to the U-shaped support. The vacuum chamber is placed upon the filler opening of the lower press, and is secured by means of snap closure means. Mixing troughs of the lower and preliminary presses are each formed by two housing elements, the inner wall of which elements are adapted to suit or fit the contour of the receiving spaces and of the screw presses. The housing elements are radially pivotally connected to the press frame by way of vertically displaceable supports.

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patent: 4986745 (1991-01-01), Hagiwara

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