公开(公告)号：US3084512A

公开(公告)日：1963-04-09

申请号：US72022858

申请日：1958-03-10

Applicant: KOEHRING CO

Inventor： HUELSKAMP DONALD A

IPC: B29C45/67 ,  B30B15/16

CPC classification number: B30B15/161 ,  B29C45/67 ,  Y10S425/223

公开(公告)号：US2711561A

公开(公告)日：1955-06-28

申请号：US30516052

申请日：1952-08-19

Applicant: HANS STUDLI

Inventor： HANS STUDLI

IPC: B29C45/67 ,  B29C45/70 ,  B30B15/16

CPC classification number: B29C45/6707 ,  B29C45/70 ,  B29C2045/675 ,  B30B15/16 ,  Y10S425/223

公开(公告)号：US2711157A

公开(公告)日：1955-06-21

申请号：US35472653

申请日：1953-05-13

Applicant: FOLKE HALWARD

Inventor： FOLKE HALWARD

IPC: B22D17/26 ,  B29C45/67 ,  F15B15/26

CPC classification number: B29C45/67 ,  B22D17/26 ,  F15B15/261 ,  Y10S425/221

公开(公告)号：US20240059002A1

公开(公告)日：2024-02-22

申请号：US18234689

申请日：2023-08-16

Applicant: NISSEI PLASTIC INDUSTRIAL CO., LTD.

Inventor： Hirofumi MURATA ,  Kenichi HAYASHI

IPC: B29C45/76 ,  B29C45/67

CPC classification number: B29C45/7653 ,  B29C45/67 ,  B29C2945/76505 ,  B29C2945/76709

Abstract: A predetermined mold gap is provided beforehand between a movable mold and a stationary mold of a mold by a mold clamping device. A mold clamping pressure is set to zero, and a predetermined back pressure is set for the movable mold. Subsequently, the injection device is caused to start injection of the molten resin into the mold for which the mold gap, the mold clamping pressure, and the back pressure have been set. When a predetermined injection end condition set beforehand is satisfied as a result of progress of an injection filling process, a filling end process of ending the injection filling process is performed.

公开(公告)号：US20220186756A1

公开(公告)日：2022-06-16

申请号：US17546638

申请日：2021-12-09

Applicant: ENGEL AUSTRIA GmbH

Inventor： Stephan BAUERNFEIND ,  Pascal BADER ,  Martin BERGER ,  Klaus Hubert GATTRINGER

IPC: F15B21/08 ,  F15B1/04 ,  B29C45/67 ,  B29C45/82

Abstract: A hydraulic system for a cyclically operating shaping machine includes at least one hydraulic drive unit for cyclically driving a component of the shaping machine at a start time; at least one pump; and at least one hydraulic accumulator which can be discharged for driving the at least one hydraulic drive unit and which can be charged up by operation of the at least one pump. An open-loop or closed-loop control unit is also provided for control of the at least one pump. The open-loop or closed-loop control unit is adapted to operate the at least one pump continuously until the start time of the at least one hydraulic drive unit to charge up the at least one hydraulic accumulator until the start time of the hydraulic drive unit.

公开(公告)号：US11117300B2

公开(公告)日：2021-09-14

申请号：US16826112

申请日：2020-03-20

Applicant: NISSEI PLASTIC INDUSTRIAL CO., LTD.

Inventor： Hozumi Yoda ,  Satoshi Hoshino ,  Hiroo Okubo ,  Atsushi Murata ,  Keiichi Tozawa

IPC: B29C45/67 ,  B29C45/64 ,  B29C33/24 ,  B29C45/68

Abstract: A mold clamping device includes a base, a stationary platen fixed to the base and supporting a stationary mold, a movable platen movable on the base and supporting a movable mold, and a mold clamping mechanism for clamping the movable mold against the stationary mold. Tie bars extend from the stationary platen completely through both the movable platen and the mold clamping mechanism. A shaft supporting plate is fixed to the ends of the tie bars and terminates at its lower end portion in two spaced-apart shoes that have flat bottom surfaces in direct sliding contact with the base. The flat bottom surface of each shoe has a larger area than the cross-sectional area of the shaft supporting plate situated vertically above the shoe.

公开(公告)号：US11059210B2

公开(公告)日：2021-07-13

申请号：US16626954

申请日：2017-06-28

Applicant: DISEÑO Y DESARROLLO DE MATRICERIA, S.L.

Inventor： Jose Antonio Pacios Rivera

IPC: B29C45/68 ,  B29C45/32 ,  B29C45/04 ,  B29C45/17 ,  B29C45/50 ,  B29C45/67 ,  B29C45/66

Abstract: A plastic injection molding machine and molding method related to an injection molding machine for stack molds, wherein the central portion of the mold remains fixed and it has two molding faces that act on the fixed central portion by means of a hydraulic chamber that produces the clamping force and prevents the deformations due to bending on the molding faces. Likewise, it relates to a molding method.

公开(公告)号：US10981313B2

公开(公告)日：2021-04-20

申请号：US16676904

申请日：2019-11-07

Applicant: ENGEL AUSTRIA GmbH

Inventor： Anton Lohnecker

IPC: B29C45/67 ,  B29C45/82

Abstract: A closing unit for a shaping machine includes mutually moveable mold mounting plates suitable for carrying mold tool portions, a first hydraulic cylinder adapted to apply a closing force to the mold mounting plates, a second hydraulic cylinder, and a pressure storage device connected to the first hydraulic cylinder and adapted to store a pressure prevailing in the first hydraulic cylinder upon pressure relief at a storage device pressure. A hydraulic interconnection of the pressure storage device with the second hydraulic cylinder allows the storage pressure stored in the pressure storage device to be used for locking and/or unlocking the locking device.

公开(公告)号：US10974429B2

公开(公告)日：2021-04-13

申请号：US16180299

申请日：2018-11-05

Applicant: ENGEL AUSTRIA GmbH

Inventor： Guenter Schott ,  Markus Stoeger ,  Richard Czepl ,  Herbert Zeidlhofer

IPC: F16B39/30 ,  B29C45/67 ,  B29C45/66

Abstract: A pull or push rod or locking nut for a molding machine has an undercut, and the undercut has an undercut cross-section, a side wall, and an undercut ramp. The side wall transitions via a first transition curvature into an undercut base, and the undercut base transitions via a second transition curvature into the undercut ramp. The undercut base, viewed in the undercut cross-section, is at least partially curved, and the curvature of the undercut base differs from the first transition curvature and/or the second transition curvature.

公开(公告)号：US20210069955A1

公开(公告)日：2021-03-11

申请号：US16958206

申请日：2018-12-20

Applicant: ARBURG GMBH + CO KG

Inventor： Eberhard DUFFNER ,  Rainer BLETSCHER

IPC: B29C45/67 ,  B29C45/68

Abstract: A mould-closing unit for an injection moulding machine for processing plastics has a mould support which is movable relative to a stationary mould support (10). A mould-moving device is provided to move the movable mould support into and out of closure of an injection mould. At least one force transmission element is connected to the movable mould support and at its end remote from the movable mould support has a section (14a) which is assigned to the stationary mould support (10) and can be actuated for operative engagement. The stationary mould support (10) is assigned a locking device (15), which can be moved into interlocking operative connection with the actuatable section (14a) to apply a closing force during closure of the injection mould. According to the method, these elements are used to create a method for locking a force transmission element to a mould support of the injection moulding machine. The fact that the locking device (15) has floating clamping jaws (16) which can be moved into interlocking operative connection with the actuatable section (14a) during closure of the mould to lock the force transmission element and the stationary mould support (10) and at the same time are connected to at least one piston (18) of a piston-cylinder unit (17) for applying the closing force, means that a mould-closing unit is created in which the locking mechanism for locking the tie bars to the mould support is integrated in a common unit with the unit for applying the closing force.