Page 495 - Manufacturing Engineering and Technology - Kalpakjian, Serope : Schmid, Steven R.

Gob Blow
head
4- Air i Baffle

ff.;
1
I-mg 1 mx EAI "li"
1
:Ax
""?°K T|p
Air
1. Gob falling into 2. Gob in 3. Blowdown 4. Blowback in
blank mold blank mold in blank mold blank mold

Tongs
l 4- Air

~ ..- ~ Blow
J " mold
Parison

¥< ” "
5. Blank mold 6. Parison hanging on 7. Parison in 8. Bottle blown, 9. Finished bottle
reversed neck ring, reheated blow mold cooling removed by tongs
during transfer
I

FIGURE I8.l0 Steps in manufacturing an ordinary glass bottle. Source: After F.H. Norton.

V-*L

1. Empty mold 2. Loaded mold 3. Glass pressed 4. Finished part

FIGURE l8.l I Manufacturing a glass item by pressing glass into a mold. Source: Courtesy
of Corning Glass Works.
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§ Punch ml
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1. Empty mold 2. Loaded mold 3. Glass pressed 4. Finished
product

FIGURE l8.l2 Pressing glass into a split mold. Source: After E.B. Shand.