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    • 54. 发明申请
    • VACUUM EXTRUSION SYSTEM AND METHOD
    • 真空挤出系统和方法
    • WO99008855A1
    • 1999-02-25
    • PCT/US1998/016400
    • 1998-08-10
    • B29C47/00B29C44/34B29C47/90B29C44/50B29C44/56
    • B29C44/3407B29C44/3403B29C47/0019B29C47/0023B29C47/0033B29C47/8895B29C47/90B29C47/904B29C47/905B29C2791/006
    • A vacuum extrusion line includes a vacuum chamber (10) having an extrusion die (18) at one end and a water baffle immersion cooler (20) at the other end for extracting the extrudate to atmosphere, extrudate shaping and sizing equipment (62, 63, 64) downstream of the die (18), a large diameter fixed bulkhead (16) at the die (18), first (44) and second (46) large diameter movable sections surrounding the shaping and sizing equipment (62, 63, 64), and a smaller fixed section (24) of the chamber (10). The first section (44) sealing against the second section (46) and the fixed section (24) and telescoping over the fixed section to form a gap (68) with the second section (46) being movable within the limits of the gap (68). The second section (46) also seals against the large diameter fixed bulkhead (16). In this manner the downstream equipment (62, 63, 64) can be fully exposed by movement of one or both movable sections (44, 46), and adequate volume and spatial working environment is provided for large through-put.
    • 真空挤压生产线包括一端具有挤出模具(18)的真空室(10)和用于将挤出物提取到大气的另一端的挡水板浸入式冷却器(20),挤压成型和上浆设备(62,63 ,64)在模具(18)的下游,在模具(18)处的大直径固定隔板(16),第一(44)和第二(46)大直径可动部分,围绕成型和上浆设备(62,63, 64)和室(10)的较小的固定部分(24)。 第一部分(44)密封抵靠第二部分(46)和固定部分(24)并且伸缩在固定部分上以形成间隙(68),第二部分(46)可在间隙的限度内移动 68)。 第二部分(46)也密封大直径的固定隔板(16)。 以这种方式,下游设备(62,63,64)可以通过一个或两个可移动部分(44,46)的移动而被完全暴露,并且为大通量提供足够的体积和空间工作环境。
    • 56. 发明申请
    • VACUUM EXTRUSION SYSTEM AND METHOD
    • 真空挤出系统和方法
    • WO9806554A3
    • 1998-03-26
    • PCT/US9714055
    • 1997-08-11
    • UC IND INC
    • LIGHTLE RODGER DSADINSKI ROBERT LLINCOLN ROBERT M
    • B29C47/92B01J3/00B01J3/03B29C44/34B29C47/08B29C47/34B29C47/88
    • B29C44/3407B01J3/006B01J3/03B29C44/3403B29C47/0009B29C47/34B29C47/884B29C47/8895B29C47/90B29C47/905B29C47/92B29C2947/92104B29C2947/92428B29C2947/92476B29C2947/926B29C2947/92923B29C2947/92971
    • A horizontal vacuum extrusion line includes a fixed bulkhead (23), a die (24) inside the bulkhead, a telescoping vacuum chamber section (27) and a fixed chamber section (28, 29). A dam (33) in the fixed section forms a pond (72) for immersion cooling of the extrudate. A truss (35) extends from the dam to the bulkhead supporting, shaping and calibration equipment and extends through the telescoping section. Fluid pressurizable seals at each end of the telescoping section are operable after the telescoping section is closed against the bulkhead and the telescoping and fixed sections are locked together. The telescoping section provides a more compact line and easier access to the complex equipment downstream of the die. The extrudate from the die passes down into the pond (72) and then through an orifice (74) in a hood (75) projecting from the chamber into a lower level portion of the pond (78) exposed to atmosphere. The hood also includes a tractor drive (88) to push the extrudate through the underwater orifice. The hood and its contents are accessible through the atmospheric pond. A tractor haul-off and the tractor drive in the hood are the only extrudate drives between the calibration equipment and atmosphere. The higher level of the pond (72) within the chamber downstream of the dam is controlled by a valve in turn controlling the output of a pump. The valve control senses the pond level and operates independently of the vacuum controls. 00000
    • 卧式真空挤压生产线包括固定隔板(23),隔板内部的模具(24),伸缩式真空室部分(27)和固定室部分(28,29)。 固定部分中的坝(33)形成用于浸渍冷却挤出物的池(72)。 桁架(35)从大坝延伸到隔板支撑,成型和校准设备并延伸穿过伸缩部分。 伸缩部分的每个端部处的流体可加压密封件在伸缩部分相对于舱壁关闭并且伸缩和固定部分被锁定在一起之后是可操作的。 伸缩部分提供更紧凑的生产线,更容易进入模具下游的复杂设备。 来自模具的挤出物向下流入池塘(72),然后通过从室中突出到暴露于大气的池塘(78)的下部分的罩(75)中的孔口(74)。 发动机罩还包括拖拉机驱动装置(88),用于将挤出物推出水下孔口。 罩及其内容物可通过大气池进入。 拖拉机牵引车和牵引车驾驶室是校准设备和大气之间的唯一挤出机。 在坝下游的室内的池塘(72)的较高水平由阀门控制,从而控制泵的输出。 阀门控制检测池水位,独立于真空控制器运行。 00000
    • 58. 发明申请
    • SPACER MATERIAL AND METHOD FOR THE MANUFACTURE OF THE SAME
    • 间隔材料及其制造方法
    • WO1985001248A1
    • 1985-03-28
    • PCT/SE1984000286
    • 1984-08-31
    • AB ROVACBAKKELUNN, Terje
    • AB ROVAC
    • B29D27/04
    • B29C44/3403B29K2067/06B29K2105/04B29K2105/12B29L2009/00
    • Spacer material (21) suitable for sandwich constructions (21, 22, 23) is manufactured with the help of a low-pressure chamber (9). Inside a first space (8) at atmospheric pressure air bubbles are introduced into a curing agent-compatible plastics material, for example a thixotropic laminating polyester. The material thus provided with air bubbles is placed on an exposed mould (5) or on a base inside or outside the aforementioned low-pressure chamber. After the material provided with air bubbles has been placed inside the chamber the latter is actuated in order to provide a second pressure which is considerably below the first pressure. The plastics material takes rigid shape at said second pressure inside the chamber for a short tack-free time, and the air bubbles which have been caused to expand by the low pressure are trapped in the plastics material during the solidifying process.
    • 借助于低压室(9)制造适用于夹层结构(21,22,23)的间隔材料(21)。 在大气压下的第一空间(8)内将气泡引入与固化剂相容的塑料材料中,例如触变层压聚酯。 由此提供有气泡的材料放置在暴露的模具(5)上或者在上述低压室的内部或外部的基座上。 在设置有气泡的材料已经放置在腔室内部后,其被致动以提供明显低于第一压力的第二压力。 塑料材料在室内的所述第二压力下具有刚性形状,具有短的无粘性时间,并且已经在低压下引起膨胀的气泡在凝固过程中被捕获在塑料材料中。