Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to close mold
Reexamination Certificate
2008-07-22
2008-07-22
Tucker, Philip C (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to close mold
C425S595000, C425S450100, C425S451900
Reexamination Certificate
active
11512373
ABSTRACT:
The mold clamping unit comprises a column mounted in a transfer means and moving in forward and backward direction; a mold clamping piston in which clamping operation and clamping-releasing operation are performed; plurality of column teeth disposed on a surface of the column along an axial direction of the column; center bore provided in a central of the mold clamping piston; clamping tooth seating groove with a plurality of clamping teeth inside the mold clamping piston contacting the center bore; rotating plate with plurality of clamping tooth guide grooves separated from the clamping teeth in the axial direction of the column; and a teeth rod positioned in each of the clamping tooth guide groove, wherein each teeth rod is connected to each clamping teeth during the rotation of the rotating plate, for moving each clamping tooth in a central or radial direction of the rotating plate and clamping of the clamping tooth and the column can proceed.
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patent: 5868989 (1999-02-01), Glaesener et al.
patent: RE37827 (2002-09-01), Schad
patent: 6893250 (2005-05-01), Meschia et al.
patent: 6945765 (2005-09-01), Roetzel
patent: 05301264 (1993-11-01), None
patent: 05345340 (1993-12-01), None
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Jang Byeong-geun
Jung Sung-wook
Kang Young-ju
Kim Jin-young
Shin Sung-chul
Bodawala Dimple N
LS Cable Ltd.
Tucker Philip C
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