Extrusion head equipped with a clamping device for the tool comp

Details Extrusion head equipped with a clamping device for the tool comp Extrusion head equipped with a clamping device for the tool comp

1988-04-11

1989-06-20

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425188, 425191, 425192R, 425461, 425592, B29C 4700

Patent

active

048405540

ABSTRACT:
An extrusion tool includes an end plate, a plate holder cassette seating the end plate and having opposite first and second faces; an extrusion head seating the cassette, and a first clamping device having an operative position for pressing the cassette and the end plate as a unit against the extrusion head by engaging an outer face of the end plate. The first clamping device further has a withdrawn position in which it permits a removal of the end plate from the cassette and a removal of the cassette from the extrusion head. There is a further provided a second clamping device for pressing, in a clamping position thereof, the cassette against the extrusion head by engaging a front face of the cassette externally of the end plate, whereby the end plate is, in the withdrawn position of the first clamping device, removable from the cassette while the cassette remains pressed against the extrusion head by the second clamping device.

REFERENCES:
patent: 2897543 (1959-08-01), Weston et al.
patent: 3535738 (1970-10-01), Vossen
patent: 4137027 (1979-01-01), Ruger
patent: 4354814 (1982-10-01), Grimminger et al.
patent: 4358261 (1982-11-01), Ohki
patent: 4619599 (1986-10-01), Herbert et al.
patent: 4642039 (1987-02-01), Anders
patent: 4652224 (1987-03-01), Golisch
patent: 4652410 (1987-03-01), Inoue et al.

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