Method for the manufacture of glass bodies by extrusion

Details Method for the manufacture of glass bodies by extrusion Method for the manufacture of glass bodies by extrusion

1986-03-06

1987-07-28

Lindsay, Robert L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 2, 65 311, 65 312, 65 17, 65900, 65901, 156DIG108, 264 23, 264 64, 501 12, C03B 37016

Patent

active

046829954

ABSTRACT:
Method and equipment for the manufacture of glass bodies wherein a porous green body is formed by extrusion from the starting material for the glass body in the form of a thixotropic suspension and this green body is then purified and sintered, during which process the starting material is brought in a state of minimum viscosity into an extruding press closed at its outlet end, is heated in the extruding press to a temperature below the boiling point of the dispersing liquid and then, after the extruding press is opened, is extruded into a green body of dimensionally stable shape by means of the die of the extruding press.

REFERENCES:
patent: 3285786 (1966-11-01), Katz
patent: 3665064 (1972-05-01), Mosier et al.
patent: 3966381 (1976-06-01), Suh
patent: 4417910 (1983-11-01), Passaret
patent: 4420294 (1983-12-01), Lichtinghagen
patent: 4451116 (1984-05-01), Pinnow
patent: 4541855 (1985-09-01), Scherer
patent: 4605428 (1986-08-01), Johnson et al.

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