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    • 9. 发明授权
    • Extensional flow mixer
    • 伸缩流量调节器
    • US5451106A
    • 1995-09-19
    • US286979
    • 1994-08-08
    • Xuan Q. NguyenLechoslaw A. Utracki
    • Xuan Q. NguyenLechoslaw A. Utracki
    • B01F5/06B29B7/32
    • B29B7/325B01F5/0663B01F5/068
    • A mixer for viscous liquids having an inlet for connection to a pressurized source of the liquids and an outlet for the mixed liquids. A series of chambers are arranged between the inlet and the outlet, these chambers being separated by several convergent/divergent surfaces providing narrow openings between said chambers. The openings are in the form of slits defined by the inner edges of dies which also form the convergent/divergent surfaces upstream and downstream of the slits. The chambers include parallel sided portions which allow for quiescent flow of liquid through these portions. At least some of the dies are movable to adjust the width of the slits. Preferably, the dies and chambers are annular and concentric, and the liquids pass radially inwardly through the narrow openings during mixing and are subjected to increasing stress as they progress through the slits.
    • 一种用于粘性液体的混合器,其具有用于连接到液体的加压源的入口和用于混合液体的出口。 入口和出口之间布置有一系列腔室,这些腔室由几个收敛/发散表面分开,在所述腔室之间提供窄的开口。 开口是由模具的内边缘限定的狭缝的形式,其也在狭缝的上游和下游形成会聚/发散表面。 这些腔室包括平行的侧面部分,允许液体通过这些部分静止流动。 至少一些模具可移动以调节狭缝的宽度。 优选地,模具和腔室是环形和同心的,并且液体在混合期间径向向内通过窄开口,并且在它们通过狭缝进行时经受增加的应力。
    • 10. 发明授权
    • Material processing
    • 材料加工
    • US4789511A
    • 1988-12-06
    • US14765
    • 1987-03-30
    • Sitki Bilgin
    • Sitki Bilgin
    • B29C47/58B01F5/06B09B3/00B29B7/32B29C45/58B29C47/36B29C47/12
    • B29C45/581B01F5/0646B09B3/0041B29B7/325B29C47/362B29C47/0021B29C47/0023
    • A method of materials processing (e.g. polymer extrusion) in which the material flows along an axially extending passageway. A pressure differential is established across the passageway transverse to the axial flow direction so as to create a flow of material through the die which has a velocity component transverse to the axial flow direction. Preferably the pressure differential transverse to the extrusion direction is continuous thereby estabilshing a continuous change of velocity component transverse to the axial flow direction. Preferably also there is at least one reversal of transverse pressure differential (and hence transverse velocity component). Apparatus for performing this method comprises for example, successive sections (3-5) of identical trapezoidal cross section with adjacent ones of these sections having their cross-sections displaced through 180.degree. relative to each other.
    • PCT No.PCT / GB86 / 00314 Sec。 371日期1987年3月30日 102(e)1987年3月30日PCT PCT 1986年6月4日PCT公布。 出版物WO86 / 07285 日期:1986年12月18日。一种材料加工(例如聚合物挤出)的方法,其中材料沿着轴向延伸的通道流动。 跨过通道横向于轴向流动方向建立压力差,以便产生通过模具的材料流,其具有横向于轴向流动方向的速度分量。 优选地,横向于挤出方向的压差是连续的,从而建立横向于轴向流动方向的速度分量的连续变化。 优选还有至少一个横向压力差(和因此横向速度分量)的逆转。 用于执行该方法的装置包括例如具有相同梯形截面的连续部分(3-5),其中相邻的这些部分的横截面相对于彼此移位180度。