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    • 22. 发明授权
    • EXTRUSION METHOD, APPARATUS AND PRODUCT
    • 挤压过程中,设备和产品。
    • EP0422042B1
    • 1995-01-18
    • EP89906779.7
    • 1989-06-02
    • KIRJAVAINEN, Kari
    • KIRJAVAINEN, Kari
    • B29C47/52
    • B29C47/0004B29C47/0016B29C47/0023B29C47/065B29C47/261B29C47/52B29C47/822B29K2105/0079B29K2105/06
    • The invention relates to a method for processing extrudable material, especially for the manufacture of a multilayer extrusion product in an extrusion device, wherein the extrudable material is brought in solid form, advantageously as powder or in granular form, and which includes a central extrusion channel (1) and the stator means (2, 3) and the rotor (4) defining it. The invention concerns also such an extrusion device. In the extrusion device according to the invention it is used an optional number of stator and rotor means (2, 3, 4) arranged packlike alternately one within the other, whereby the extrudable material is first melted during its feed into an annular feed defile (5) advantageously in conical or double-conical form between the stator means (2, 3) and the rotor means (4) after the infeed thereof before the central channel, and thereafter compressed to the final extrusion pressure. The feed defile (5) of the extrusion device according to the invention comprises in the flow direction of the extrudable material first an infeed zone (51), then a melting zone (52) and finally a compression zone (53). The invention relates further to a new extrusion product, which is a multilayer product, and at least one layer whereof includes an interlacing orientation field, in which the plastic is helically oriented or directed forming a reinforcing netlike structure into the product.
    • 26. 发明公开
    • Gas expelling equipment for use in a viscous-material kneader or the like
    • Gasaustreibvorrichtungfüreinen Kneterfürviskoses oderfürähnliches材料。
    • EP0299799A2
    • 1989-01-18
    • EP88306528.6
    • 1988-07-15
    • Moriyama, Masao
    • Moriyama, Masao
    • B29B7/84
    • B29B7/845B29C47/52B29C47/6025
    • A device for expelling the gas liberated within a viscous-material treating apparatus such as a kneader, an extruder or the like. The device basically consists of a cone-shaped rotor (4) and a cone-shaped cover member (3) covering the rotor (4). The cone-shaped rotor (4) is provided with volute protrusions (7), while the cone-shaped cover member (3) is provided with a gas exhaust orifice (8) to which a vacuum system is to be connected. With the cone-shaped rotor (4) kept rotating, the volute protrusions (7) act so as to prevent the viscous material from being swallowed up together with the liberated gas to be pumped out.
    • 用于排出在诸如捏合机,挤出机等的粘性材料处理装置中释放的气体的装置。 该装置基本上由锥形转子(4)和覆盖转子(4)的锥形盖部件(3)构成。 圆锥形转子(4)设置有蜗壳(7),锥形盖构件(3)上设置有要连接真空系统的排气口(8)。 当锥形转子(4)保持旋转时,蜗壳突起(7)起作用,以防止粘性物质与排出的被排出的气体一起被吞咽。