Mixing head for machines for producing multicomponent plastics

Details Mixing head for machines for producing multicomponent plastics Mixing head for machines for producing multicomponent plastics

1975-05-08

1977-12-27

Aegerter, Richard E.

Agitating

Rubber or heavy plastic working

With specified feed means

251206, B01F 1500

Patent

active

040651061

ABSTRACT:
The present invention provides a mixing head having vertical lift slides in which the injection pressures can be altered. Each lift slide is provided with a number of injection openings of different diameters arranged in one plane perpendicular to the axis of the slide. The injection pressure is altered by rotating the lift slide to bring a different injection opening into registry with a mixing chamber. The head of each lift slide is provided with a head having change-over detents which mesh with a carrying yoke to facilitate changing injection openings. The lift slides may also be provided with return openings of such diameter that the pressure in the system remains the same whether the slides are in a mixing position or a return position.

REFERENCES:
patent: 2836198 (1958-05-01), McNeill
patent: 3893481 (1975-07-01), Watts
patent: 3905582 (1975-09-01), Fiorentini
patent: 3908966 (1975-09-01), Boden et al.

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