专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5840232A Multi-layer parison extrusion system 失效
标题翻译：多层型坯挤压系统
公开(公告)号：US5840232A
公开(公告)日：1998-11-24
申请号：US876083
申请日：1997-06-13
申请人： Russell J. La Belle
发明人： Russell J. La Belle
IPC分类号： B29C47/06 , B29C47/22 , B29C47/28 , B29C47/26
CPC分类号： B29C47/065 , B29C47/0023 , B29C47/0026 , B29C47/22 , B29C47/261 , B29C47/28 , B29C47/26
摘要： Large, multi-layer parisons with an inner layer, an intermediate layer, and an outer layer for use in intermittent extrusion blow molding are formed using a die head including a housing, an annular inner conduit having a first resin inlet with a horizontal axis, an intermediate conduit having a second resin inlet with a horizontal axis, and an annular outer conduit having a third resin inlet with a horizontal axis, a closable, tubular extrusion orifice in communication with the inner, intermediate and outer conduits, the first inlet being in a plane above the second inlet and the second inlet being in a plane above the third inlet; and first, second and third reciprocating screw extruders, each extruder including a cylinder with a resin inlet and a resin discharge outlet, a screw rotatable within the cylinder to convey the resin from the resin inlet to the discharge outlet, the screw being axially movable away from the outlet when the screw is rotating, and drive means for moving the screw rapidly toward the outlet to force resin through the die head, the discharge outlet of the first extruder communicating with the first inlet, the discharge outlet of the second extruder communicating with the second inlet, and the discharge outlet of the third extruder communicating with the third inlet.
摘要翻译：使用具有壳体的模头，具有水平轴线的第一树脂入口的环形内导管，形成具有用于间歇挤压吹塑的内层，中间层和外层的大型多层型坯，具有水平轴线的第二树脂入口和具有水平轴线的第三树脂入口的环形外部管道的中间管道，与内部管道，中间管道和外部管道连通的可关闭的管状挤压孔口，第一入口处于第二入口上方的平面和第二入口处于第三入口上方的平面中; 以及第一，第二和第三往复式螺杆挤出机，每个挤出机包括具有树脂入口和树脂排出口的圆筒，可在圆筒内旋转的螺杆，以将树脂从树脂入口输送到排出口，螺杆可轴向移动离开螺杆旋转时的出口以及用于将螺丝快速向出口移动以迫使树脂通过模头的驱动装置，第一挤出机的排出口与第一入口连通，第二挤出机的排出口与与第三入口连通的第三挤出机的第二入口和排出口。

IPRDB

热门服务

关于我们

友情链接

联系方式