Automatic parison feed system

Details Automatic parison feed system Automatic parison feed system

1983-02-15

1985-03-26

Valenza, Joseph E.

Material or article handling

Chamber of a type utilized for a heating function and...

Including driven device and/or inclined flow path to carry...

414157, 221297, B65G 2500

Patent

active

045070393

ABSTRACT:
The present invention relates to an automatic parison feed system for tubular plastic parisons. The parisons are fed, one at a time, from a parison feed unit into a parison loading unit. The parison loading unit, which holds a parison vertically, is positioned above a shuttered aperture in the upper wall of a heating furnace. The shutter of this aperture is opened as the parison loading unit descends vertically to a predetermined position within the furnace. The parison loading unit releases its parison, which falls onto a vertical parison pin mounted on an endless parison conveyor moving within the furnace. The parison loading unit is then raised from the furnace and the shutter is closed.

REFERENCES:
patent: 1787993 (1931-01-01), Meyer
patent: 3623591 (1971-11-01), Koch et al.
patent: 3698536 (1972-10-01), Pray et al.
patent: 3970421 (1976-07-01), Moore
patent: 4099609 (1978-07-01), Kieronski et al.
patent: 4338778 (1982-07-01), Suzuki et al.

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