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公开(公告)号：US09481121B2
公开(公告)日：2016-11-01
申请号：US14075832
申请日：2013-11-08
Applicant: Kennametal Inc.
Inventor： J. Denny Robertson , Gregory G. Herndon , Pavel Ledyan
CPC classification number: B29C47/8895 , B29B9/065 , B29C47/0011 , B29C47/0014 , B29C47/0066 , B29C47/0852 , B29C47/30 , Y10T29/49947
Abstract: Provided is a die plate assembly for an underwater pelletizing system, wherein molten plastic flows through a die plate and exits into a fluid bath for further processing. The assembly provides a seal against water leakage and effective insulation to prevent heat loss from a heated die plate. The assembly includes a die plate having a plurality of through holes for receiving fasteners for mounting the plate to another portion of the pelletizer system, and at least one insulation chamber for insulating the die plate from the fluid bath located on a downstream side of the die plate. The assembly further includes at least one gasket covering one or more of the through holes to seal one or more through holes from the fluid bath.
Abstract translation: 提供了一种用于水下造粒系统的模板组件，其中熔融塑料流过模板并离开流体槽以进一步处理。 该组件提供了防止漏水和有效绝缘的密封，以防止来自加热模板的热量损失。 组件包括具有多个通孔的模板，该多个通孔用于接收用于将板安装到造粒机系统的另一部分的紧固件，以及至少一个绝缘室，用于将模板与位于模具下游侧的流体槽绝缘 盘子。 组件还包括覆盖一个或多个通孔的至少一个垫圈，以密封来自流体槽的一个或多个通孔。
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公开(公告)号：US11318480B2
公开(公告)日：2022-05-03
申请号：US16291389
申请日：2019-03-04
Applicant: Kennametal Inc.
Inventor： Grzegorz Dewicki , Joshua T. Singley , Pavel Ledyan , John D. Robertson , Kevin M. Gamble
Abstract: In one aspect, centrifuge feed pipes are described herein having design and architecture for mitigating wear during centrifuging operations. In some embodiments, a centrifuge feed pipe comprises a feed material inlet, a feed material outlet, and a conduit body extending along an axis between the feed material inlet and outlet, the conduit body having a variable inner diameter at one or more locations along the axis. In being variable, the inner diameter is not uniform over all radial positions of the inner diameter.
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公开(公告)号：US20150132424A1
公开(公告)日：2015-05-14
申请号：US14075832
申请日：2013-11-08
Applicant: Kennametal Inc.
Inventor： J. Denny Robertson , Gregory G. Herndon , Pavel Ledyan
CPC classification number: B29C47/8895 , B29B9/065 , B29C47/0011 , B29C47/0014 , B29C47/0066 , B29C47/0852 , B29C47/30 , Y10T29/49947
Abstract: Provided is a die plate assembly for an underwater pelletizing system, wherein molten plastic flows through a die plate and exits into a fluid bath for further processing. The assembly provides a seal against water leakage and effective insulation to prevent heat loss from a heated die plate. The assembly includes a die plate having a plurality of through holes for receiving fasteners for mounting the plate to another portion of the pelletizer system, and at least one insulation chamber for insulating the die plate from the fluid bath located on a downstream side of the die plate. The assembly further includes at least one gasket covering one or more of the through holes to seal one or more through holes from the fluid bath.
Abstract translation: 提供了一种用于水下造粒系统的模板组件，其中熔融塑料流过模板并离开流体槽以进一步处理。 该组件提供了防止漏水和有效绝缘的密封，以防止来自加热模板的热量损失。 组件包括具有多个通孔的模板，该多个通孔用于接收用于将板安装到造粒机系统的另一部分的紧固件，以及至少一个绝缘室，用于将模板与位于模具下游侧的流体槽绝缘 盘子。 组件还包括覆盖一个或多个通孔的至少一个垫圈，以密封来自流体槽的一个或多个通孔。
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