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    • 7. 发明申请
    • SCREEN FOR VIBRATING SEPARATOR
    • 振动隔离屏幕
    • WO1997028906A1
    • 1997-08-14
    • PCT/GB1997000385
    • 1997-02-12
    • TUBOSCOPE VETCO INTERNATIONAL INC.LUCAS, Brian, RonaldADAMS, Thomas, ColeSCHULTE, David, Lee, Jr.WALKER, Jeffrey, EarlMCCLUNG, Guy, LaMont, IIILEONE, Vincent, Dominick, Sr.GRICHAR, Charles, NewtonSEYFFERT, Kenneth, Wayne
    • TUBOSCOPE VETCO INTERNATIONAL INC.LUCAS, Brian, Ronald
    • B07B01/46
    • B07B1/4618B01D29/012B01D29/07B01D29/445B01D33/0183B01D33/0376B07B1/46B07B1/4627B07B1/4645B07B1/4654B07B1/4663B07B1/4672B07B1/469B07B1/48B07B2201/04E21B21/06E21B21/065
    • A screen for use in a shale shaker, which screen (900; 920) comprises: (a) a support panel formed with a series of alternating substantially parallel ridges and channels, wherein at least the top of one of said ridges is substantially flat and is provided with at least one elongate opening which is wholly contained within said ridge; and (b) at least a first layer of mesh bonded to said support member, the arrangement being such that, in use, if the mesh covering said elongate opening in said ridge is punctured said mesh overlying said elongate opening can be removed and the open cell formed thereby fitted with a plug. A frame for supporting a screen, which frame comprises a plurality of spaced-apart strips (502) secured to and between spaced-apart sides (504), characterised in that at least one of said strips (502) is provided with at least one projection (553) to be received in a corrugation in a corrugated screen. A panel for a screen, said panel comprising a plurality of groups of perforations, each group comprising six generally equal triangular apertures (513, 514, 515) arranged with their apices facing a central portion (550), wherein the apices of two (514, 515) opposing ones of said triangular apparatus are spaced apart further than the apices of opposed ones of the remaining triangular apparatus (513, 513; 513, 513).
    • 一种用于页岩振荡器的筛网,该筛网(900; 920)包括:(a)形成有一系列交替的基本上平行的脊和通道的支撑板,其中至少所述脊中的一个的顶部基本上是平的, 设置有至少一个细长开口,其完全包含在所述脊中; 和(b)至少第一层网状物,其结合到所述支撑构件上,所述布置使得在使用中,如果覆盖所述脊中的所述细长开口的网眼被穿孔,则可以去除覆盖所述细长开口的所述网状物并且打开 由此形成的电池装配有插头。 一种用于支撑屏幕的框架,该框架包括固定到间隔开的边(504)之间和之间的多个间隔开的条带(502),其特征在于,至少一个所述条带(502)设置有至少一个 突起(553)被接收在波纹状屏幕中的波纹中。 一种用于屏幕的面板,所述面板包括多组穿孔组,每组包括六个大致相等的三角形孔(513,514,515),其排列成使其顶点面向中心部分(550),其中两个顶点(514 ,515)相对的所述三角形装置相对于剩余的三角形装置(513,513; 513,513)中的相对的顶点间隔开。