Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – For extrusion or injection type shaping means
Patent
1992-11-09
1994-10-11
Bushey, Charles S.
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
For extrusion or injection type shaping means
72273, 722735, 425227, 4253761, B21C 2300, B29C 4700
Patent
active
053541928
ABSTRACT:
An indirect extrusion press wherein a cleaning ring can be clamped with certainty by clamp members. The indirect extrusion press has a die stem, a container, a cleaning ring removably fitted at an end portion of the die stem for cleaning the inner face of the container, a loose die removably mounted at the end of the die stem, and a handling apparatus including first and second pairs of clamp members for clamping therebetween and handling the cleaning ring and the loose die, respectively. The cleaning ring has a circumferential groove formed on an outer periphery thereof. Each of the first pair of clamp members for clamping the cleaning ring therebetween has a projection formed thereon for engaging the circumferential groove of the cleaning ring.
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Soejima Munenori
Uehara Kazutaka
Bushey Charles S.
Kabushiki Kaisha Kobe Seiko Sho
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