Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1996-09-23
1998-06-16
Griffin, Steven P.
Glass manufacturing
Processes
Forming product or preform from molten glass
65 72, 65 76, 65 79, 65 82, 65163, 65229, 65260, C03B 900
Patent
active
057662924
ABSTRACT:
A method and apparatus for forming a hollow glass article comprises delivering a gob of glass to a blank mold, providing a first neck ring to a position adjacent the blank mold, forming the gob in the blank mold into a parison, moving the first neck ring to transfer the parison to a blow mold, blowing the parison in the blow mold to a hollow article, releasing the engagement of the first ring with the hollow article, moving the first neck ring away from the blow mold, removing the hollow article from the blow mold, returning the first neck ring to a position adjacent the blank mold to repeat the cycle, providing a second neck ring adjacent the blank mold while the first ring is moving toward the blow mold, delivering a second gob of glass to the blank mold while the second ring is in position adjacent the blank mold, forming the second gob into a second parison, moving the second parison to a position adjacent the blow mold while the first neck ring is being returned to a position adjacent said blank mold; and controlling the positioning and movement of the first neck ring and second ring independently of one another such that the velocity and movement of each neck ring is varied without affecting the overall forming cycle.
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Leidy D. Wayne
Schupbach Donald E.
Griffin Steven P.
Owens-Brockway Glass Container Inc.
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