Glass manufacturing – Gob charging means with shape imparting receptacle means – With glass treating means
Patent
1997-11-06
1999-08-03
Silverman, Stanley S.
Glass manufacturing
Gob charging means with shape imparting receptacle means
With glass treating means
65209, 65227, 65229, 65234, C03B 936
Patent
active
059319828
ABSTRACT:
An I.S. machine has a blankmold which is open at the top and includes inner and outer annular top sealing surfaces. Associated with the blankmold is a cup shaped baffle having an annular bottom sealing surface. A tubular sleeve extends vertically upwardly from the top of the body. A piston has a cylindrical head including a top surface, a cylindrical sealing surface and an annular bottom sealing surface having a plurality of radial notch means across the bottom thereof. A tubular rod extends vertically upwardly from the top surface for slidable displacement in the tubular sleeve. The collar is displaced vertically downwardly to bring the cup shaped portion annular surface into sealing engagement with the blankmold. The cylindrical head is then displaced initially to a first location whereat a selected distance separates the top of the cylindrical head and the closed top of the cup shaped portion and a predetermined distance separates the cylindrical head annular bottom sealing surface and the blankmold and then to a second location whereat the cylindrical head annular bottom sealing surface engages the blankmold, and passages in the cylindrical head interconnect the interior of the rod and the annular recess so that when the piston is located at the first location, settle air can be directed into the blankmold and so that when the piston is located at the second location, air from the blankmold can flow out of the baffle.
REFERENCES:
patent: 2376602 (1945-05-01), Kinker
patent: 3171728 (1965-03-01), Anderson
patent: 3357810 (1967-12-01), Crouse
patent: 3536468 (1970-10-01), Colchagoff
patent: 4444578 (1984-04-01), Marroquin
Emhart Glass S.A.
Silverman Stanley S.
Smith Spencer T.
Vincent Sean
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