Glass manufacturing – Gob charging means with shape imparting receptacle means
Patent
1977-08-01
1978-10-17
Bashore, S. Leon
Glass manufacturing
Gob charging means with shape imparting receptacle means
65225, 65304, 65323, C03B 530, C03B 940
Patent
active
041206835
ABSTRACT:
In apparatus for molding glass into hollow-shaped articles such as glass containers, glass charges are delivered to a parison mold wherein the glass is shaped either by a plunger or by a counterblow within the parison mold. The charge of glass that is delivered to the parison mold is guided into the mold by a superimposed funnel. The funnel is alternately moved into and out of position at the open, upper end of the parison mold to effect the guiding of the charge. The mechanism for moving the funnel on a conventional I.S. machine must be capable of moving the funnel from an upper, radially displaced position, to a lower, seated position concentric with the mold. The operation of the funnel seating motion is accomplished by the use of a generally reciprocable, fluid-operated motor in which a funnel-carrying arm is fixed to the piston rod of the motor and the rod is turned about its vertical axis during its upward and downward movement. The control of the fluid supplied to the motor and the exhaust of fluid from the motor is such that the rate of movement may be closely adjusted and controlled. The entire operating mechanism is mounted on what is termed the "section box" of the I.S. machine. For convenience of repair and adjustment, the fluid motor is mounted to the upper end of the piston rod, with the piston rod extending vertically downward. Intermediate its length, the funnel arm is fixed to the piston rod. The rod is turned about its vertical axis by a cam roller, carried by the arm, moving in a fixed cam slot. The lower end of the piston rod is guided within a fixed bushing and the upper end of the mechanism is held steady by a bracket.
REFERENCES:
patent: 3338699 (1967-08-01), Colchacuff et al.
patent: 3374079 (1968-03-01), Daly
patent: 3383193 (1968-05-01), Bailey
patent: 3597185 (1971-08-01), Jones
patent: 3672860 (1972-06-01), Keller
Bashore S. Leon
Click M. E.
Innis D. T.
Miga Frank W.
Owens--Illinois, Inc.
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