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
Patent
1977-06-17
1978-09-26
Spicer, Jr., Robert L.
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
425193, 425595, B29F 100
Patent
active
041165993
ABSTRACT:
A tool carrier mechanism for injection molding machines for securing a tool part to a tool carrier, comprises a guide bolt having means for connecting it to the tool part so that it projects outwardly from the rear of the tool part. A tool carrier has a bore therethrough for receiving the guide bolt and has a front face against which the rear of the tool part is engageable and has an opposite rear face beyond which said guide bolt projects. A slide mounted on the tool carrier adjacent the rear face of the tool carrier is movable toward and away from the guide bolt for engagement and disengagement therefrom. Wedge surfaces are defined between the guide bolt and said slide effecting an inward movement of the guide bolt with the tool part to exert an inward pressure engagement of the tool part with the tool carrier.
REFERENCES:
patent: 3321805 (1967-05-01), Given
patent: 3394434 (1968-07-01), Hart-Still
patent: 3528134 (1970-09-01), Fischbach
patent: 3540081 (1970-11-01), Carrieri et al.
Netstal-Maschinen AG
Spicer, Jr. Robert L.
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