Apparatus for feeding particles of glass into crucibles for extr

Details Apparatus for feeding particles of glass into crucibles for extr Apparatus for feeding particles of glass into crucibles for extr

1974-05-28

1976-03-23

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 11W, 65 29, 65335, 177119, 222 77, C03B 3702, C03B 300

Patent

active

039458148

ABSTRACT:
Glass tablets which are to be introduced seriatim into an elongated melting chamber of a crucible having orifices for extrusion of glass filaments are stored in a magazine and are fed onto the first section of a first vibrating trough whose sections have different inclinations. The last section of the first trough discharges tablets into the receptacle of a weighing device which accumulates a predetermined number of tablets and thereupon discharges the accumulated batch of tablets onto the first section of a second vibrating trough the last section of which discharges tablets into an elongated hopper registering with the open top of the melting chamber. At least the last section of the second trough is inclined downwardly toward the hopper to such an extent that tablets leaving the preceding section of the second trough are accelerated during travel in the last section and enter the hopper at timely spaced intervals. The second trough is caused to swivel back and forth so that its last section discharges tablets into different portions of the hopper.

REFERENCES:
patent: 3049754 (1962-08-01), Frickert
patent: 3244494 (1966-04-01), Apple et al.
patent: 3247554 (1966-04-01), Hanks et al.
patent: 3348936 (1967-10-01), Clark et al.
patent: 3695371 (1972-10-01), Sheetz
patent: 3730695 (1973-05-01), Varrasso

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