Plunger assembly for a glassware forming machine

Details Plunger assembly for a glassware forming machine Plunger assembly for a glassware forming machine

1988-06-15

1989-06-13

Kellogg, Arthur

Glass manufacturing

Diverse distinct glassworking apparatus

Press means with blow means

65319, 65323, 65356, 65362, C03B 1112, C03B 1106

Patent

active

048389218

ABSTRACT:
A plunger assembly is provided wherein the precise centering of the perforated section of the cooling tube within a plunger of an I.S. type glass forming machine is achieved by securing the cooling tube to the plunger. The base of the plunger has a recess which wedgingly receives a plurality of equally spaced wedge elements secured to an annular collar fixed to the cooling tube. The wedge elements are sufficiently tall that they will extend beyond the plunger base, thereby defining exit openings through which plunger cooling air can be discharged.

REFERENCES:
patent: 1942042 (1934-01-01), Zimber et al.
patent: 3148969 (1964-09-01), Mathias
patent: 4272273 (1981-06-01), Trahan et al.
patent: 4636240 (1987-01-01), Kozora

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