Plastic article or earthenware shaping or treating: apparatus – Means treating shaped work
Patent
1976-01-30
1976-12-28
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Means treating shaped work
249 79, 425407, 425411, B29J 508
Patent
active
039999319
ABSTRACT:
A cooker assembly for use in heat forming a discontinuous cross-section of mold extruded granular material. The cooker assembly has two frames pivotally connected at one end. A pair of hydraulic cylinders are interconnected between the frames for moving the two frames between opened and closed positions. The upper frame has a planar surface for engaging the upper surface of the material as it leaves the mold and is provided with longitudinal heaters for heating the materials as it passes through the cooker assembly. The lower frame has an uneven contoured surface closely approximating the lower surface of the material as it is extruded and heaters extending longitudinally therethrough for heating the material as it passes through the cooker assembly. The upper frame may be adjusted relative to the lower frame such that longitudinal friction forces on the extruded material moving through the cooker assembly can be varied across the width of the cooker assembly thus maintaining the density in the material created in the molding process.
REFERENCES:
patent: 1126954 (1915-02-01), Burroughs et al.
patent: 2717421 (1955-09-01), Beeson
patent: 3142185 (1964-07-01), Knowles
patent: 3229009 (1966-01-01), Knowles
patent: 3289257 (1966-12-01), Richards
Flint, Jr. J. Howard
K-N-P
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