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    • 1. 发明申请
    • KCH HYBRID SCREEN CHANGERS
    • KCH混合屏幕更改
    • US20150014257A1
    • 2015-01-15
    • US14236380
    • 2013-03-25
    • Kenneth CavanaghJohn Whaley
    • Kenneth CavanaghJohn Whaley
    • B01D29/09B29C47/68
    • B01D29/09B29C48/69B29C48/692B29C48/92B29C2948/926
    • A screen filter comprises a housing defining a melt passage for molten thermoplastic material. A guide channel in the housing is configured and arranged to direct a continuous screen filter across the melt passage. A gate blocks an exit section of the guide channel during initial formation of a solidified plug of the material being filtered on the screen filter. The gate is then partially withdrawn to an intermediate position at which it acts as a brake to releasably impede movement of the plug and screen filter until a screen change is required. The gate is then fully withdrawn and the screen filter and the plug formed thereon are pulled across the melt passage by an exterior clamp mechanism.
    • 筛网过滤器包括限定用于熔融热塑性材料的熔体通道的壳体。 壳体中的引导通道被构造和布置成引导连续的滤网穿过熔体通道。 在屏幕过滤器上过滤的材料的凝固塞的初始形成期间,门挡住引导通道的出口部分。 然后将门部分地撤回到中间位置,在该中间位置,该位置用作制动器以可释放地阻止插头和滤网的移动,直到需要屏幕更换。 然后将门完全拉出,并且通过外部夹紧机构将筛网过滤器和其上形成的塞子拉过熔体通道。
    • 2. 发明申请
    • KCR SCREEN CHANGER
    • KCR屏幕更换
    • US20140353261A1
    • 2014-12-04
    • US13903276
    • 2013-05-28
    • Parkinson Machinery & Manufacturing
    • Kenneth M. CavanaghJohn Whaley
    • B01D33/00
    • B29C48/692B29K2101/12
    • A screen changer for filtering a thermoplastic material heated to a flowable state comprises a filter head defining a melt passage for the heated thermoplastic material, and a guide channel having entry and exit sections arranged on opposite sides of the melt passage. The entry and exit sections are configured and arranged to direct a continuous screen filter along a guide path extending transversely across the melt passage from an entry side to an exit side of the filter head. The screen filter is incrementally advanced along the guide path. An internal first cavity is provided in the filter head on an upstream side of the filter screen and at a juncture of the melt passage and the exit section of the guide channel. The first cavity is positioned to receive contaminants accumulated on the screen filter. A waste removal mechanism removes contaminants from the first cavity.
    • 用于过滤加热到可流动状态的热塑性材料的换网器包括限定用于加热的热塑性材料的熔体通道的过滤头,以及具有设置在熔体通道的相对侧上的入口和出口部分的引导通道。 入口和出口部分被构造和布置成沿着从过滤嘴的入口侧到出口侧横向延伸穿过熔体通道的引导路径引导连续筛网过滤器。 屏幕过滤器沿引导路径逐步前进。 在过滤网的上游侧和引导通道的熔体通道和出口部分的接合处的过滤头中设置内部第一腔。 第一腔定位成接收积聚在筛网过滤器上的污染物。 废物移除机构从第一腔中去除污染物。
    • 6. 发明申请
    • Device and method for the filtration of viscous material
    • 用于过滤粘性物质的装置和方法
    • US20030178740A1
    • 2003-09-25
    • US10380974
    • 2003-03-18
    • Helmut BacherHelmuth SchulzGeorg Wendelin
    • B29C047/36
    • B29C48/692B29C48/09B29C48/362B29C48/395B29C48/475B29C48/53
    • An apparatus for filtering viscous material, in particular thermoplastic synthetic plastic material, comprises a screw (24), which presses the material to be cleaned from an upstream conduit (3) of a supply housing (2) towards a band-shaped screen (4). The screen (4) is abutted on its downstream side by a perforated plate (6) against the pressure of the supplied material. The band-shaped screen (4) can be displaced for replacement of a soiled band section by a fresh band section. For facilitating this displacement a device is provided, which comprises a closure means (30) that is disposed on the upstream side of the screen (4), by which closure means the upstream conduit (3) for the material to be filtered can be closed at least substantially. On the upstream side of this closure means (30) a storage space (36) for material to be cleaned is connected to the upstream conduit (3). Within this storage space (36) a piston (38) is sealingly guided, which is reciprocable by a drive means and closes in its projected position the storage space (36) against the upstream conduit (3).
    • 用于过滤粘性材料,特别是热塑性合成塑料材料的装置包括螺杆(24),该螺杆将所要清洁的材料从供应壳体(2)的上游导管(3)朝向带状筛(4) )。 筛网(4)抵抗供应材料的压力,通过多孔板(6)在其下游侧抵靠。 可以移动带状屏幕(4)以便通过新的带部分更换污染的带部分。 为了便于该位移,提供了一种装置,其包括设置在筛网(4)的上游侧的封闭装置(30),通过该封闭装置可以关闭用于待过滤材料的上游导管(3) 至少大体上。 在该封闭装置(30)的上游侧,用于待清洁的材料的储存空间(36)连接到上游导管(3)。 在该储存空间(36)内,密封地引导活塞(38),该活塞可通过驱动装置往复运动,并将其储存空间(36)的突出位置封闭在上游导管(3)上。