Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means between charger and mold to cut off flow of...
Reexamination Certificate
2011-08-02
2011-08-02
Heitbrink, Tim (Department: 1744)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means between charger and mold to cut off flow of...
C425S566000
Reexamination Certificate
active
07988445
ABSTRACT:
An injection molding apparatus includes a plurality of valve-gated nozzles, each nozzle having a respective valve pin that is actuated by an actuator. A nozzle tip component for taking one of the valve-gated nozzles of the injection molding apparatus out-of service, wherein the nozzle tip component has a surface that grips the respective valve pin to lock the valve pin in an out-of-service position thereby preventing flow of molding material into an associated mold cavity and causing disengagement of the valve pin from the actuator.
REFERENCES:
patent: 3571856 (1971-03-01), Voelker
patent: 7022278 (2006-04-01), Colonico
patent: 7029268 (2006-04-01), Doyle et al.
patent: 7048532 (2006-05-01), Tabassi
patent: 7210922 (2007-05-01), Kohler
patent: 7722351 (2010-05-01), Feick et al.
Babin Denis
Gammon Scott
Goslinski Rhonda
Tabassi Payman
Heitbrink Tim
Medler Ferro PLLC
Mold-Masters (2077) Limited
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