Screw extruder for plastics
    1.
    发明授权
    Screw extruder for plastics 失效
    塑料螺杆挤出机

    公开(公告)号:US4569595A

    公开(公告)日:1986-02-11

    申请号:US742141

    申请日:1985-06-07

    摘要: The cylinder of the extruder comprises two parts separated by a heat-insulating gasket. In the wall of the upstream part there are ducts through which a cooling fluid flows. The inside surface of the upstream part is provided with parallel longitudinal grooves or spiralling grooves. The screw is divided into two zones, viz., a feed zone and a plasticizing zone which starts just after the heat-insulating gasket. The plasticizing zone includes an entry channel which gradually decreases in depth downstream and an exit channel which gradually increases in depth downstream. The mass of plastic material leaving the extruder is homogeneous and at a predetermined temperature with high output, as independently as possible of the material used.

    摘要翻译: 挤出机的圆筒包括由隔热垫片隔开的两个部分。 在上游部分的壁上有冷却流体流过的管道。 上游部分的内表面设置有平行的纵向凹槽或螺旋槽。 螺杆被分为两个区域,即进料区域和刚刚在隔热垫圈之后开始的增塑区域。 增塑区包括下游深度逐渐减小的入口通道和下游深度逐渐增加的出口通道。 离开挤出机的塑料材料的质量是均匀的,并且在预定温度下具有高的输出,尽可能独立地使用所用的材料。

    Multi-screw extruder
    2.
    发明授权
    Multi-screw extruder 失效
    多螺杆挤出机

    公开(公告)号:US4818206A

    公开(公告)日:1989-04-04

    申请号:US105259

    申请日:1987-10-07

    IPC分类号: B65G33/18 B29C47/40 A01J17/00

    CPC分类号: B29C47/40 B29C47/0009

    摘要: The inside surface of an extrusion cylinder (1) is divided into an upper surface (2) and a lower surface (3), each in the shape of an arc of a cylinder. The two surfaces intersect so that two screw sections (8, 9), each provided with a helical thread (12, 13), mesh with each other. The two threads are complementary in that the width of one thread (12 ) gradually increases from an entry opening (6) downstream, while the width of the other thread (13) decreases gradually from the upstream end toward the exit opening (7). Owing to separations between the free spaces, the material poured into the extruder through the entry opening is forced to pass once into a working zone in order to reach an exit chamber where the pressure is less than in the entry chamber.

    摘要翻译: 挤出筒(1)的内表面被分成上表面(2)和下表面(3),每个都是圆柱体的形状。 两个表面相交,使得每个设有螺旋螺纹(12,13)的两个螺纹部分(8,9)彼此啮合。 两个螺纹是互补的,一个螺纹(12)的宽度从下游的入口(6)逐渐增加,而另一个螺纹(13)的宽度从上游端朝向出口开口(7)逐渐减小。 由于自由空间之间的分离,通过进入开口倒入挤出机的材料被迫通过一次到工作区域中,以便到达压力小于入口室的出口室。

    Winding apparatus
    3.
    发明授权
    Winding apparatus 失效
    卷绕装置

    公开(公告)号:US3941329A

    公开(公告)日:1976-03-02

    申请号:US546945

    申请日:1975-02-04

    CPC分类号: B65H67/04 B65H65/00

    摘要: This invention relates to an apparatus for winding a cable or a flexible tube on winding supports mounted on winding-machines, the apparatus comprising at least two winding supports, a guiding and shearing mechanism having at least one exit opening, and driving means, the guiding and shearing mechanism being disposed facing the winding supports, and the driving means being adapted to advance the cable or tube towards the guiding and shearing mechanism.

    摘要翻译: 本发明涉及一种用于将电缆或柔性管卷绕在安装在绕线机上的卷绕支架上的装置,该装置包括至少两个绕线架,具有至少一个出口的导向和剪切机构以及驱动装置,该导向装置 并且剪切机构被布置成面向卷绕支撑件,并且驱动装置适于使电缆或管朝向引导和剪切机构前进。

    Sizing device for extruded plastic tubing
    4.
    发明授权
    Sizing device for extruded plastic tubing 失效
    挤压塑料管材尺寸设备

    公开(公告)号:US4543051A

    公开(公告)日:1985-09-24

    申请号:US449787

    申请日:1982-12-14

    摘要: A vat under vacuum bears in its sidewall a sizing sleeve, the cylindrical downstream portion of which includes annular channels interconnected by distribution channels. Injection ducts leave the bottoms of the annular channels and open out in the inside surface of the sleeve. The interior of the sleeve communicates with the interior of the vat via rows of radial suction ducts. During operation, the injection ducts are supplied with water under pressure which forms a film between the outside of the tubing and the inside surface of the sleeve even when the tubing is pressed against that inside surface owing to the partial vacuum prevailing within the vat.

    摘要翻译: 真空下的大桶在其侧壁上具有一个定型套筒,其圆柱形下游部分包括通过分配通道互连的环形通道。 注入管道离开环形通道的底部并在套筒的内表面打开。 套筒的内部通过一排径向吸气管与槽的内部连通。 在操作期间,注射管道被供应有压力的水,其在管的外部和套筒的内表面之间形成膜,即使当由于在槽内部分的部分真空而将管道压靠在该内表面上时。

    Plastics extruder
    5.
    发明授权
    Plastics extruder 失效
    塑料挤出机

    公开(公告)号:US4491418A

    公开(公告)日:1985-01-01

    申请号:US440430

    申请日:1982-11-09

    摘要: The hopper of a screw communicates with a feed chamber situated upstream from the extruder cylinder. The substantially rectangular feed chamber is large enough so that the behavior of a mass of plastic material in its initial state, i.e., in the form of powder or pellets, is affected neither by the side-walls nor by the upper wall nor by the removable bottom of the chamber. Thus, in the case of pellets, the distance between any of those walls and the apex of the screw thread is appreciably greater than the average diameter of the pellets.

    摘要翻译: 螺杆的料斗与位于挤出机气缸上游的进料室连通。 基本上矩形的进料室足够大,使得一批塑料材料在其初始状态(即粉末或颗粒形式)的作用既不受侧壁也不受上壁影响,也不受可移除的影响 房间底部 因此,在颗粒的情况下,这些壁中的任一个和螺纹的顶点之间的距离明显大于颗粒的平均直径。

    Braiding machine
    6.
    发明授权
    Braiding machine 失效
    绣花机

    公开(公告)号:US5176062A

    公开(公告)日:1993-01-05

    申请号:US561570

    申请日:1990-08-02

    IPC分类号: D04C3/40

    CPC分类号: D04C3/00

    摘要: Two supports (8 and 9) mounted on parallel axes (10 and 11) respectively comprise two parallel arms (24 and 25) and portions (20 and 21) of a runway. A pay-out reel (26) for the core of the braid is mounted on a carriage (23) which rolls on the runway (20, 21), remaining at the bottom thereof. A mandrel (28) integral with the carriage guides the core-wire of the braid toward a braiding die-plate (3) at which the braid elements unwinding from reels (4-7) borne by the supports converge.

    摘要翻译: 安装在平行轴(10和11)上的两个支撑件(8和9)分别包括两个平行臂(24和25)和跑道的部分(20和21)。 用于编织物芯的发放卷轴(26)安装在在跑道(20,21)上滚动的托架(23)上,保持在其底部。 与滑架一体的心轴(28)将编织物的芯线导向编织模板(3),在该模板(3)处退出由支承件承载的卷轴(4-7)的编织元件。

    Drum loading and unloading apparatus
    7.
    发明授权
    Drum loading and unloading apparatus 失效
    鼓装卸装置

    公开(公告)号:US4718817A

    公开(公告)日:1988-01-12

    申请号:US893260

    申请日:1986-08-05

    摘要: The drums to be loaded or unloaded are placed on a carriage borne by rollers and comprising telescopic arms. The carriage is guided along an arcuate path by a rigid arm and a pivot pin situated at the end of a bar supported by a base. A motor is provided on the carriage to drive the carriage in the arcuate path.

    摘要翻译: 被装载或卸载的滚筒放置在由滚子承载并包括伸缩臂的滑架上。 托架通过刚性臂和位于由基座支撑的杆的端部处的枢轴销沿着弓形路径引导。 马达设置在滑架上以驱动托架在弧形路径中。

    Screw-type plastics extruder
    8.
    发明授权
    Screw-type plastics extruder 失效
    螺杆式塑料挤出机

    公开(公告)号:US4085461A

    公开(公告)日:1978-04-18

    申请号:US692751

    申请日:1976-06-04

    IPC分类号: B29C47/38 B29C47/62 B29F3/02

    摘要: This invention is a screw-type extruder for plastics comprising a screw in a cylinder providing a feed zone, a plasticizing zone and a homogenization zone. The screw threads in the plasticizing zone are provided with marginal passageways so small as to provide heat exchange between the plastic and the screw, the latter being heated by friction.

    摘要翻译: 本发明是用于塑料的螺杆式挤出机,其包括在提供进料区的圆筒中的螺杆,增塑区和均化区。 增塑区中的螺纹具有如此小的边缘通道,以便在塑料和螺杆之间提供热交换,后者通过摩擦加热。