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    APPARATUS AND METHOD FOR MIXING ELASTOMERIC MATERIALS
    1.
    发明申请
    APPARATUS AND METHOD FOR MIXING ELASTOMERIC MATERIALS 有权

    公开(公告)号：US20230090345A1

    公开(公告)日：2023-03-23

    申请号：US17795602

    申请日：2021-02-18

    申请人： POMINI RUBBER & PLASTICS S.R.L.

    发明人： ROBERTO REGALIA

    IPC分类号： B29B7/48 ,  B29B7/60 ,  B29B7/72 ,  B29B7/74 ,  B29B7/90 ,  B29C48/40 ,  B29C48/41 ,  B29C48/525

    摘要： A machine for mixing elastomeric materials with a drive and mixing unit where the mixing chamber is arranged downstream of the drive unit; and a discharge chamber is arranged downstream of the mixing chamber. They communicate towards upstream, and are provided with a discharge opening for discharging the mixture. They include a signal indicating the presence or absence of a mixture. The machine can cause during a mixing step, at least one reversal by the drive unit of a sense of rotation of the rotors and therefore of a sense of advancing movement in the axial direction of the mixture from/towards the mixing chamber and towards/from the discharge chamber, to keep mixing of the mixture active only inside the mixing chamber.

    A METHOD FOR CONTINUOUSLY MANUFACTURING UHMWPE PRODUCTS
    3.
    发明申请
    A METHOD FOR CONTINUOUSLY MANUFACTURING UHMWPE PRODUCTS 有权

    公开(公告)号：US20220347909A1

    公开(公告)日：2022-11-03

    申请号：US17625935

    申请日：2020-07-08

    申请人： TEKALEN HOLDING VERWALTUNGS GMBH

    发明人： Robert Marc Fifield ,  Guido Terbrack

    IPC分类号： B29C48/92 ,  B29C48/00 ,  B29C48/285 ,  B29C48/41 ,  B29C48/12 ,  B29C48/875

    摘要： The present invention relates to a method for continuously manufacturing UHMWPE products comprising:—providing a counter-rotating twin-screw extruder;—feeding UHMWPE powder into a hopper of said counter-rotating twin-screw extruder;—transporting said UHMWPE powder from said hopper through said counter-rotating twin-screw extruder to an outlet of said counter-rotating twin-screw extruder;—further transporting said UHMWPE powder from said outlet of said counter-rotating twin-screw extruder to an entrance of a heat-controlled tooling system for defining the shape of UHMWPE products;—withdrawing said UHMWPE products from an outlet of said heat-controlled tooling system.

    SCREW AND TWIN-SCREW ASSEMBLY FOR USE IN ELASTOMER MIXTURE EXTRUDERS AND ASSOCIATED METHOD FOR EXTRUSION OF ELASTOMER MIXTURES
    5.
    发明公开
    SCREW AND TWIN-SCREW ASSEMBLY FOR USE IN ELASTOMER MIXTURE EXTRUDERS AND ASSOCIATED METHOD FOR EXTRUSION OF ELASTOMER MIXTURES 审中-公开

    公开(公告)号：US20230405908A1

    公开(公告)日：2023-12-21

    申请号：US18035568

    申请日：2021-11-05

    申请人： POMINI RUBBER & PLASTICS S.r.l.

    发明人： ROBERTO REGALIA

    IPC分类号： B29C48/595 ,  B29C48/41 ,  B29C48/69

    CPC分类号： B29C48/595 ,  B29C48/41 ,  B29C48/69

    摘要： A Screw for use in a twin-screw assembly of an elastomer mixture extruder with a threaded part with a single-start thread which defines at least three different sectors of the screw. The three sectors have an intake segment to capture the mixture fed from outside to push it downstream along the longitudinal direction, with a cross-section of the through-flow channel between adjacent flanks of the thread which is constant over at least two pitches or a rotation through 720 degrees of the thread. A transition sector which has a cross-section of the through-flow channel variable and smaller than the cross-section of the through-flow channel and is designed to cause an increase of the thrusting pressure acting on the mixture in transit in the longitudinal direction; and a high-pressure sector designed to cause the compression of the mixture to obtain a maximum pressure of the mixture.

    APPARATUS AND METHOD FOR MIXING ELASTOMERIC MATERIALS
    7.
    发明申请
    APPARATUS AND METHOD FOR MIXING ELASTOMERIC MATERIALS 有权

    公开(公告)号：US20230089028A1

    公开(公告)日：2023-03-23

    申请号：US17795691

    申请日：2021-02-18

    申请人： POMINI RUBBER & PLASTICS S.R.L.

    发明人： ROBERTO REGALIA ,  ANDREAS ALBERT LIMPER

    IPC分类号： B29B7/74 ,  B29B7/48 ,  B29B7/72 ,  B29B7/90 ,  B29C48/40 ,  B29C48/41 ,  B29C48/525 ,  B29B7/82

    摘要： A Machine for mixing elastomeric materials with a mixing unit, and a drive unit; the mixing unit has a mixing chamber arranged downstream of the drive unit and closed by a rear wall, a discharge chamber arranged downstream of the mixing chamber, with which it communicates and provided with an opening for discharging the mixture; a pair of inter-penetrating and counter-rotating conical rotors connected with the drive unit and having their vertices situated at the mouth of the discharge chamber. The rotors are rotated by the drive unit in a first sense (RPM+) to cause the mixture to be pushed towards the rear wall of the mixing chamber so as to keep mixing active only inside the mixing chamber, and in second sense of rotation, opposite to the first sense, to cause the mixture to be pushed towards the chamber and the discharge opening for discharging thereof.

    PLASTIC COMPOSITION
    9.
    发明申请
    PLASTIC COMPOSITION 有权

    公开(公告)号：US20230092763A1

    公开(公告)日：2023-03-23

    申请号：US17963085

    申请日：2022-10-10

    申请人： UBQ Materials Ltd.

    发明人： Yuval Tamir

    IPC分类号： B29C48/275 ,  B29C48/16 ,  B29B17/00 ,  B29C48/405 ,  B29C48/41 ,  B09B3/20 ,  B29C35/02

    摘要： A plastic composition consisting essentially of plastic matter, inorganic matter, and organic matter. The plastic composition has a notched izod impact above 12 J/m, a surface energy of at least 40 dyne/cm and, and when the plastic composition is subjected to injection molding, at least one of a tensile strength of above about 2.7 MPa, a tensile modulus of above about 600 MPa, a flexural modulus above about 690 MPa, a flexural strength above about 5.6 MPa, and a Charpy Impact above about 1.5 KJ/m2.