Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Feed control of material en route to shaping area
Patent
1984-12-03
1986-09-02
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Feed control of material en route to shaping area
65302, 264 21, 425434, 425808, B29D 1100
Patent
active
046093370
ABSTRACT:
An apparatus is provided for inserting molds containing a dosed monomeric mixture into a rotating polymerizing column by means of an alternate pushing and releasing of a column of molds falling from tubular magazines connected to said polymerizing column. Said apparatus comprises a body fabricated from a non-magnetic material which is adapted on its lower end for a firm affixation to the column and on its upper end for affixation to the magazine, and being provided with a through-opening of a diameter which is larger than the diameter of the molds, another through-hole, leading to said through-opening, which is formed perpendicularly to the axis of the said through-opening, movable jaws being movable one against the other and moved in the direction of the center by springs, and two stationary blocks placed outside said body in an opposite position while at least the outer ends of the jaws and the stationary blocks are constructed from materials which provide a mutual counterpole magnetic interaction. The apparatus may also be provided with means for eliminating the mutual counterpole magnetic interaction of the ends of the jaws and stationary blocks in accordance with the height of the column of the molds in the polymerizing column.
REFERENCES:
patent: 4517140 (1985-05-01), Rawlings
patent: 4551086 (1985-11-01), Rawlings
Havlin Vladimir
Wichterle Otto
Ceskoslovenska akademie ved
Fortenberry J.
Woo Jay H.
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