Clay extrusion apparatus

Details Clay extrusion apparatus Clay extrusion apparatus

1977-06-08

1978-11-14

Flint, Jr., J. Howard

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

425380, 425458, 425467, 425468, B29D 2304

Patent

active

041253493

ABSTRACT:
A clay extrusion apparatus has a cylinder open at the top for a rod which depresses the piston. At the bottom of the cylinder is an outer die held in place by a cap bolted to the cylinder. Within the opening of the outer die is an inner die supported by a stem extending up into the cylinder and attached at its upper end to a spider-like bracket which fits centrally within the cylinder and the lower ends of the legs of which are supported by the outer die. The inner and outer dies are changeable to form different outside and inside shapes of hollow clay extrusions. The inner die and its support may be removed to produce solid shapes.

REFERENCES:
patent: 1500754 (1924-07-01), Howard et al.
patent: 1999926 (1935-04-01), Garzia

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