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公开(公告)号：US20210268572A1
公开(公告)日：2021-09-02
申请号：US17258635
申请日：2019-04-24
Applicant: Sintokogio, Ltd. , Toyota Jidosha Kabushiki Kaisha
Inventor： Youhei Noguchi , Koji Sakou , Hirotaka Kurita , Takashi Nagaya , Hirotsune Watanabe , Katsutoshi Okumura
Abstract: When molding surfaces (50A) of a pair of dies (50) are to be cleaned by air-blowing, air is blown towards the molding surfaces (50A) from blowing nozzles (22A) of a cleaning blowing function portion (22) while a moving body (16) is reciprocatingly moved by driving force of a driving mechanism (18). When a parting agent is to be applied to the molding surfaces (50A) of the pair of dies (50), the mold release agent is jetted out towards the molding surfaces (50A) from spraying nozzles (24A) of a parting agent application function portion (24) while the moving body (16) is reciprocatingly moved by the driving force of the driving mechanism (18). In both of these situations, at the same time as the treatment of the molding surfaces (50A), a cleaning brush (32) reciprocatingly moves together with the moving body (16) and sweeps a device floor surface (12).
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2.发明授权公开(公告)号：US09789533B2
公开(公告)日：2017-10-17
申请号：US14442233
申请日：2013-11-08
Applicant: SINTOKOGIO, LTD. , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Tomohiro Aoki , Yusuke Kato , Takehiko Matsumoto , Kenichiro Mori , Toshihiko Zenpo , Tomokazu Suda , Masaomi Mitsutake , Takumi Maegawa , So Nakayama , Masashi Morikawa , Hirotsune Watanabe
Abstract: Sand for a casting mold including sand, a binder, and an inorganic compound particle having poor water solubility and generating a gas, which is at least one of water vapor or carbon dioxide gas, by heat from a molten metal.
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公开(公告)号：US20160045951A1
公开(公告)日：2016-02-18
申请号：US14780116
申请日：2014-01-22
Applicant: SINTOKOGIO, LTD.
Inventor： Takumi Maegawa , Hirotsune Watanabe , Tomokazu Suda , Massaomi Mitsutake , Toshio Kanno , Hirotaka Kurita
Abstract: A sand-mold molding method for producing a molded article obtained by packing foamed sand may include stirring a binder with an aggregate to form foamed sand; forming a cavity via clamping a metallic mold closed; packing the foamed sand into the cavity of the metallic mold and then heating and solidifying the foamed sand; and opening the metallic mold partially to provide a gap in the metallic mold while maintaining the cavity.
Abstract translation: 用于生产通过包装发泡砂获得的模制品的砂模成型方法可以包括用骨料搅拌粘合剂以形成发泡砂; 通过将金属模夹紧而形成空腔; 将发泡砂包装到金属模具的空腔中，然后加热固化发泡砂; 并且部分地打开金属模具以在保持空腔的同时在金属模具中提供间隙。
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4.发明申请DEVICE FOR FORMING FOAMED KNEADED MATERIAL AND METHOD FOR FORMING FOAMED KNEADED MATERIAL 有权用于形成泡沫材料的装置和形成泡沫材料的方法公开(公告)号：US20150197044A1
公开(公告)日：2015-07-16
申请号：US14410003
申请日：2013-04-11
Applicant: SINTOKOGIO, LTD. , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yusuke Kato , Toshihiko Zenpo , Toshio Kanno , Hirotsune Watanabe , Tomokazu Suda , Yasutake Nagata , Masaomi Mitsutake , Takumi Maegawa
CPC classification number: B29C44/02 , B01F3/04446 , B01F15/0237 , B22C7/023 , B22C15/08 , B29C44/3442
Abstract: First, a supply device supplies a foamed kneaded material into a cylinder. Then, in a state in which an internal space of the cylinder is communicated with a pattern forming space of a mold, the piston disposed in the cylinder is moved toward the foamed kneaded material side while opening a gas release hole formed piercing through the piston. Then, at a timing when the piston has reached an expected position where the piston is expected to be on contacting the foamed kneaded material supplied into the cylinder, the gas release hole is closed by an open-close plug. Then, the foamed kneaded material supplied into the cylinder is pressed toward the pattern forming space side of the mold by moving the piston toward the foamed kneaded material side.
Abstract translation: 首先，供给装置将发泡混炼物供给到气缸中。 然后，在气缸的内部空间与模具的图案形成空间连通的状态下，设置在气缸中的活塞朝向发泡捏合材料侧移动，同时打开穿过活塞形成的气体释放孔。 然后，在活塞达到活塞预期与供给到气缸中的发泡混炼物接触的期望位置的时刻，气体释放孔被开闭塞关闭。 然后，通过将活塞朝向发泡捏合材料侧移动，供给到气缸中的发泡捏合材料被压向模具的图案形成空间侧。
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公开(公告)号：US20150096594A1
公开(公告)日：2015-04-09
申请号：US14384312
申请日：2013-04-12
Applicant: SINTOKOGIO, LTD.
Inventor： Yusuke Kato , Toshihiko Zenpo , Tomohiro Aoki , Takehiko Matsumoto , Takumi Maegawa , Hirotsune Watanabe , Tomokazu Suda , Masaomi Mitsutake , Hisao Nakane
CPC classification number: B22C5/185 , B08B3/044 , B08B3/045 , B08B3/10 , B08B7/02 , B22C5/02 , B22C5/04 , B22C5/0413 , B22C5/0427 , B22C5/0454
Abstract: To provide an apparatus for reclaiming foundry sand and a method for reclaiming foundry sand that can effectively remove binders and so on that attach to returned foundry sand that has been used. Foundry sand that has been used is supplied from a chute for feeding sand 14A to a rotor 16. The rotor 16 is rotated by a driver 20 so that frictional force is generated on the sand in the rotor 16. Then, the sand in the rotor 16 is dropped into the container for washing with water 30 that is located below the rotor 16. In the container for washing with water 30, an agitator 34 is rotated by the driver 20 so that the sand in the container for washing with water 30 is agitated and washed with water.
Abstract translation: 提供用于回收铸造砂的装置和用于回收铸造砂的方法，其可以有效地去除已经使用的返回的铸造砂上的粘合剂等。 已经使用的铸造砂从用于将砂14A供给到转子16的斜槽供应。转子16由驱动器20旋转，从而在转子16的砂上产生摩擦力。然后，转子中的砂 16被放入用于用位于转子16下方的水30洗涤的容器中。在用水清洗的容器30中，搅拌器34由驱动器20旋转，使得用水清洗的容器中的沙子为 搅拌并用水冲洗。
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Patent Agency Ranking
公开(公告)号：US11892337B2
公开(公告)日：2024-02-06
申请号：US17258622
申请日：2019-06-05
Applicant: Sintokogio, Ltd. , Toyota Jidosha Kabushiki Kaisha
Inventor： Youhei Noguchi , Koji Sakou , Hirotaka Kurita , Takashi Nagaya , Hirotsune Watanabe , Takumi Maegawa
Abstract: An opening portion that is formed so as to pass-through an opening/closing plate portion of a gate, can be disposed at a region overlapping a lower end opening of a hopper. The opening portion is structured by a first pass-through portion, and a second pass-through portion that is formed so as to be continuous with the first pass-through portion. A width, in a direction orthogonal to a lined-up direction in which the first pass-through portion and the second pass-through portion are lined up, is narrower than the first pass-through portion. Further, a driving mechanism moves the gate such that the opening/closing plate portion moves in the lined-up direction as seen in a plan view. Based on a preset target value of weight of sand, a control section controls the driving mechanism so as to decrease an amount of overlap of the opening portion of the gate and the lower end opening of the hopper in a stepwise manner in accordance with an increase in the weight of the sand measured by a scale.
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7.发明授权公开(公告)号：US09962868B2
公开(公告)日：2018-05-08
申请号：US14410003
申请日：2013-04-11
Applicant: SINTOKOGIO, LTD. , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yusuke Kato , Toshihiko Zenpo , Toshio Kanno , Hirotsune Watanabe , Tomokazu Suda , Yasutake Nagata , Masaomi Mitsutake , Takumi Maegawa
CPC classification number: B29C44/02 , B01F3/04446 , B01F15/0237 , B22C7/023 , B22C15/08 , B29C44/3442
Abstract: First, a supply device supplies a foamed kneaded material into a cylinder. Then, in a state in which an internal space of the cylinder is communicated with a pattern forming space of a mold, the piston disposed in the cylinder is moved toward the foamed kneaded material side while opening a gas release hole formed piercing through the piston. Then, at a timing when the piston has reached an expected position where the piston is expected to be on contacting the foamed kneaded material supplied into the cylinder, the gas release hole is closed by an open-close plug. Then, the foamed kneaded material supplied into the cylinder is pressed toward the pattern forming space side of the mold by moving the piston toward the foamed kneaded material side.
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公开(公告)号：US20160052047A1
公开(公告)日：2016-02-25
申请号：US14779590
申请日：2014-02-07
Applicant: SINTOKOGIO, LTD.
Inventor： Kazumasa Uchida , Massaomi Mitsutake , Hirotsune Watanabe , Takumi Maegawa , Masashi Morikawa , So Nakayama , Tomokazu Suda , Toshihiko Zenpo
CPC classification number: B22C15/02 , B22C5/0413 , B22C5/044 , B22C5/049
Abstract: A mold-making device may include a stirring device including a stirring tank and at least one stirring blade. The stirring device may further include a packing port that is configured to open and close on a bottom of the stirring tank. The stirring device may stir a particulate aggregate and at least one additive by rotating the at least one stirring blade within the stirring tank to yield an admixture. A forming mold may communicate with the packing port and mold the admixture into a predetermined shape. A packing device may compress a surface of the admixture within the stirring tank and pack the admixture into the forming mold via the packing port.
Abstract translation: 模具制造装置可以包括具有搅拌槽和至少一个搅拌叶片的搅拌装置。 搅拌装置还可以包括构造成在搅拌槽底部打开和关闭的包装端口。 搅拌装置可以通过在搅拌槽内旋转至少一个搅拌叶片来搅拌颗粒聚集体和至少一种添加剂以产生混合物。 成形模具可以与包装端口连通并将混合物模制成预定的形状。 包装装置可以压缩搅拌槽内的混合物的表面，并通过包装口将混合物包装到成型模具中。
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公开(公告)号：US10888919B2
公开(公告)日：2021-01-12
申请号：US16345137
申请日：2017-10-13
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , Sintokogio, Ltd.
Inventor： Katsutoshi Okumura , Hirotsune Watanabe , Shogo Izumi , Hirotaka Kurita , Katsushige Yamamoto
Abstract: A core forming device is equipped with a kneading tank in which raw materials of a core are kneaded, a raw material supply unit that supplies the raw materials to the kneading tank, a mold that accommodates a kneaded material including the raw materials kneaded in the kneading tank and that forms the core, a piston that injects the kneaded material into the mold, a position sensor that detects a position of the piston, and a control unit that controls a supply amount of the raw materials supplied to the kneading tank from the raw material supply unit. The control unit determines the supply amount of the raw materials based on a difference between the position of the piston upon completion of injection and a reference position of the piston.
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公开(公告)号：US10035181B2
公开(公告)日：2018-07-31
申请号：US14384312
申请日：2013-04-12
Applicant: SINTOKOGIO, LTD.
Inventor： Yusuke Kato , Toshihiko Zenpo , Tomohiro Aoki , Takehiko Matsumoto , Takumi Maegawa , Hirotsune Watanabe , Tomokazu Suda , Masaomi Mitsutake , Hisao Nakane
CPC classification number: B22C5/185 , B08B3/044 , B08B3/045 , B08B3/10 , B08B7/02 , B22C5/02 , B22C5/04 , B22C5/0413 , B22C5/0427 , B22C5/0454
Abstract: To provide an apparatus for reclaiming foundry sand and a method for reclaiming foundry sand that can effectively remove binders and so on that attach to returned foundry sand that has been used. Foundry sand that has been used is supplied from a chute for feeding sand 14A to a rotor 16. The rotor 16 is rotated by a driver 20 so that frictional force is generated on the sand in the rotor 16. Then, the sand in the rotor 16 is dropped into the container for washing with water 30 that is located below the rotor 16. In the container for washing with water 30, an agitator 34 is rotated by the driver 20 so that the sand in the container for washing with water 30 is agitated and washed with water.
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