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91. 发明授权

US10654207B2 Injection molding machine and the molding method thereof 有权
公开(公告)号：US10654207B2
公开(公告)日：2020-05-19
申请号：US15474643
申请日：2017-03-30
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Hirofumi Murata
IPC分类号： B29C45/76 , B29C45/80 , B29C45/77
摘要： A specific mold status Ac is caused in advance in which the interval of an inner portion Xi in the parting plane direction of a parting gap C between a fixed mold 2c and a movable mold 2m during the injection filling is larger than the interval of an outer edge portion Xo and the interval of the outer edge portion Xo is equal to or lower than a predetermined size Ls including 0. A molding injection pressure Pi is set as an injection pressure at which a non-defective product can be molded and a molding mold clamping force Pc is set as a mold clamping force by which a non-defective product can be molded. During the production, a mold 2 is clamped by a molding mold clamping force Pc and the clamped mold 2 is filled with the injected resin R by a molding injection pressure Pi. After a predetermined cooling time Tc has passed, a molded piece G is removed.

92. 发明申请

US20190381711A1 INJECTION MOLDING MACHINE AND THE MOLDING METHOD THEREOF 审中-公开
公开(公告)号：US20190381711A1
公开(公告)日：2019-12-19
申请号：US16439180
申请日：2019-06-12
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Hirofumi MURATA , Takemi UEHARA , Hozumi YODA
IPC分类号： B29C45/50 , B29C45/17 , F15B15/14
摘要： An injection molding machine includes an injection apparatus having a screw rotation driving section for rotating a screw inserted to a heat sleeve and a screw forward/rear move driving section for forwardly or rearwardly moving the screw at least by a hydraulic cylinder, including a unique screw for which an L/D ratio between a screw length and a screw diameter is set as a specific value to the injection apparatus. The injection apparatus includes a cylinder attachment mechanism having a cylinder detachable section that provides the detachability of at least two or more different types of hydraulic cylinders adaptable to a molded piece that can be molded by the unique screw.

93. 发明授权

US10300529B2 Mold clamping apparatus 有权
公开(公告)号：US10300529B2
公开(公告)日：2019-05-28
申请号：US15621153
申请日：2017-06-13
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Atsushi Murata , Daiki Tanemura , Hiroo Okubo
IPC分类号： B29C45/17 , B29C45/67 , B22D17/26 , B29C45/82
摘要： A mold clamping apparatus of the type including a mold opening/closing actuator and a mold clamping cylinder, wherein rails for guiding a movable platen are disposed on a base, and the mold clamping cylinder has a left leg and a right leg each disposed between one pair of left and right rails of the rails. The rails provided for guiding the movable platen is used also as a side guide for the mold clamping cylinder. This arrangement can obviate the need for a separate guide member.

94. 发明申请

US20190001542A1 SAFETY COVER FOR MOLD CLAMPING DEVICE 审中-公开
公开(公告)号：US20190001542A1
公开(公告)日：2019-01-03
申请号：US16000122
申请日：2018-06-05
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Daiki TANEMURA
IPC分类号： B29C45/17
摘要： A safety cover (20) for a mold clamping device that surrounds the mold clamping device (10) of an injection molding machine. The safety cover (20) includes a support frame (21) attached to the mold clamping device (10), a safety door (23), and a connecting mechanism (40) that connects an upper portion of the safety door (23) to the support frame (21). The connecting mechanism (40) includes a first rail (41) on the support frame (21), a second rail (42) on the safety door (23), and an intermediate plate (45) arranged between the first rail (41) and the second rail (42).

95. 发明授权

US09931774B2 Injecting machine for two different liquid materials having mixing mechanism supported entirely by injection cylinder 有权
公开(公告)号：US09931774B2
公开(公告)日：2018-04-03
申请号：US14153920
申请日：2014-01-13
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Toru Ikeda
IPC分类号： B29C45/18 , B29C45/54
CPC分类号： B29C45/1866 , B29C45/54 , B29C45/542 , B29C2045/547
摘要： An injecting machine for two different liquid material includes an injection cylinder having a nozzle disposed on a distal end thereof. A plunger is reciprocally received in the injection cylinder for undergoing reciprocating movement between an advanced position and a retracted position, with the plunger injecting a liquid mixture of the two different liquid materials as the plunger moves to the advanced position. A moving mechanism causes the plunger to reciprocate between the advanced position and the retracted position. A mixing mechanism is disposed on the injection cylinder for mixing the two different liquid materials together to feed the liquid mixture into the injection cylinder. A support plate supports a proximal portion of the injection cylinder. The mixing mechanism is supported in its entirety by the injection cylinder.

96. 发明申请

US20180009140A1 HEATING CYLINDER COVER AND HEATING CYLINDER DEVICE OF INJECTION MOLDING MACHINE 审中-公开
公开(公告)号：US20180009140A1
公开(公告)日：2018-01-11
申请号：US15644338
申请日：2017-07-07
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Yuichi SAKURADA , Yoshihiko TAKAHASHI , Takahiro KOUDA
IPC分类号： B29C45/03 , B29C45/20 , B29C45/72 , B29C45/16 , B29L31/18
CPC分类号： B29C45/03 , B29C45/16 , B29C45/20 , B29C45/72 , B29C45/74 , B29L2031/18
摘要： In composition of a heating cylinder cover that covers a heating cylinder 2 having a temperature control mechanism 3m in which at least a plurality of heating units 3a, 3b, 3c, . . . are provided on an outer circumferential surface 2ms of a heating cylinder body 2m along an axial direction Fs, the heating cylinder cover includes a heat-retaining cover part 5 that is integrally provided with a cover body part 5m and a plurality of partition parts 5a, 5bc, 5de, . . . ; the cover body part 5m is attached to the heating cylinder 2 thereby forming a predetermined covered space S between the cover body part 5m and the temperature control mechanism 3m and covers at least an upper half part 2u of the heating cylinder 2, and the partition parts 5a, 5bc, 5de, . . . project from an inner surface 5mi of this cover body part 5m toward the temperature control mechanism 3m and divides the covered space S into a plurality of closed spaces Sab, Scd, . . ..

97. 发明授权

US09738020B2 Mold clamping mechanism 有权
公开(公告)号：US09738020B2
公开(公告)日：2017-08-22
申请号：US14816956
申请日：2015-08-03
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Atsushi Murata , Kimiaki Shioiri , Tatsuhiko Nishizawa , Isamu Yamaguchi , Kazunori Tanaka
IPC分类号： B29C45/64 , B29C45/17
CPC分类号： B29C45/1744
摘要： A mold clamping mechanism includes a fixed platen and a movable platen. The fixed platen includes upper and lower, left and right through-holes through which extend tie-bars, and a cutout that extends transversely through the through-holes and divides the through-holes into mold-side holes and opposite-mold-side holes. The fixed platen is divided by the cutout into a mold-side part and an opposite-mold-side part. The mold-side part is provided with main leg parts connected to the bed.

98. 发明授权

US09731442B2 Mold clamping apparatus 有权
公开(公告)号：US09731442B2
公开(公告)日：2017-08-15
申请号：US15244151
申请日：2016-08-23
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Atsushi Murata , Daiki Tanemura
IPC分类号： B29C45/17 , B29C45/67 , B29K105/00
CPC分类号： B29C45/67 , B29C33/22 , B29C45/1747 , B29C45/1751 , B29C45/1761 , B29C45/6721 , B29C45/6728 , B29K2105/0067
摘要： A mold clamping apparatus includes a mold clamping cylinder. The mold clamping cylinder has, in a region thereof located below left and right lower tie bars and above left and right sliders, a left grooved portion opened leftward and elongated horizontally, a right grooved portion opened rightward and elongated horizontally, and a leg portion formed between the left and right grooved portions. The leg portion and the left and right grooved portions together form a constricted part.

99. 发明授权

US09724862B2 Mold clamping apparatus 有权
公开(公告)号：US09724862B2
公开(公告)日：2017-08-08
申请号：US15245436
申请日：2016-08-24
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Atsushi Murata , Daiki Tanemura , Hozumi Yoda , Nobusuke Takahashi
IPC分类号： B29C45/17 , B29C45/67
CPC分类号： B29C45/67 , B29C45/1747 , B29C45/1751 , B29C45/6721 , B29C45/6728
摘要： A mold clamping apparatus includes a fixed platen, a mold clamping cylinder, a movable platen moved by the mold clamping cylinder toward the fixed platen, and a mold opening/closing actuator for moving the movable platen or the mold clamping cylinder. The mold clamping apparatus further includes a mold thickness adjustment cylinder provided between the mold clamping cylinder and the movable platen, the mold thickness adjustment cylinder being configured to generate an axial force larger than an axial force in an expanding direction of the mold opening/closing actuator and smaller than an axial force in a contracting direction of the mold clamping cylinder.

100. 发明申请

US20160114511A1 HEATING DEVICE OF INJECTION MOLDING MACHINE 审中-公开
标题翻译：注射成型机加热装置
公开(公告)号：US20160114511A1
公开(公告)日：2016-04-28
申请号：US14922821
申请日：2015-10-26
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Yuichi SAKURADA , Toshimi KATO , Keiichi TOZAWA
IPC分类号： B29C45/74 , B29C45/60 , B29C45/20
CPC分类号： B29C45/74 , B29K2101/12
摘要： When a heating device is formed which includes at least one or more heaters 4n, 4a, 4b, 4c and 4d that are provided on the outer circumferential surfaces 2f and 3f of at least one of a heating cylinder 2 and an injection nozzle 3 to heat at least one of the heating cylinder 2 and the injection nozzle 3, at least some heaters 4a, 4b, 4c, . . . of all the heaters 4n, 4a, . . . are formed with air cooling-capable heaters 4as, 4bs and 4cs in which a panel member 5 formed of a material R having thermal conductivity is interposed between the heaters 4a, 4b, 4c, . . . and the outer circumferential surfaces 2f and 3f of at least one of the heating cylinder 2 and the injection nozzle 3, in which an air path 6 for air cooling is formed in the panel member 5 and in which an air outlet and inlet portion 8 allowing air A to be passed from an air supply portion 7 is provided in the air path 6.
摘要翻译：当形成包括至少一个或多个加热器4n，4a，4b，4c和4d的加热装置时，加热器4n，4a，4b，4c和4d设置在加热缸2和喷射喷嘴3中的至少一个的外圆周表面2f和3f上以加热加热缸2和喷射喷嘴3中的至少一个，至少一些加热器4a，4b，4c，...。。。的所有加热器4n，4a，。。。由具有导热性的材料R形成的面板构件5插入在加热器4a，4b，4c之间的空气冷却加热器4as，4bs和4cs形成。。。以及加热缸2和喷射喷嘴3中的至少一个的外周面2f，3f，其中在面板部件5中形成有用于空气冷却的空气通道6，其中空气出口和入口部分8允许从空气供给部7通过的空气A设置在空气路径6中。

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