Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to heat or cool
Reexamination Certificate
2008-04-22
2008-04-22
Heitbrink, Tim (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to heat or cool
Reexamination Certificate
active
11340191
ABSTRACT:
An apparatus for injection molding wherein melt is conveyed to a gate in fluid communication with at least one mold cavity comprises a nozzle for conveying melt, the nozzle having an inlet for admitting melt, at least one outlet for directing melt to mold cavities and received within a recess of the gate, a nozzle body having a passage therethrough for conveying melt from the inlet to the outlet, and at least one split ring seal received in a groove in the exterior of the nozzle body so as to be displaceable relative to the associated groove, the split ring seal having an outside perimeter for contacting the surface of the recess of a gate, the split ring seals maintaining separation of the periphery of the nozzle body from the surface of the recess with the outlet positioned within the recess. Each split ring seal advantageously comprises overlapping end segments abuttingly engaged with the outlet positioned within the recess.
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PCT Search Report and Written Opinion of International Searching Authority mailed Dec. 9, 2006.
Adas James Oliver
Kovacic Craig Vincent
D-M-E Company
Gregg John W.
Heitbrink Tim
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