Patents Assigned to TEC, Inc.
-
Publication number: 20160256912Abstract: A method for forming a blanked piece from a material, where the blanked piece includes a production area having a through hole and at least one caulking and connection area protruding inside the through hole. The method includes forming a blanking hole in the material in a prescribed outline, placing a guide member in the through hole, where the guide member has an abutting part contacting a protrusion of the material formed along the outline of the blanking hole. The method further includes cutting and separating the material to blank or stamp out downward the caulking and connection area, pushing back the caulking and connection area, and temporarily connecting the caulking and connection area to the material; and blanking or stamping an outer configuration of the product area from the material to which the caulking and connection area is temporarily connected.Type: ApplicationFiled: March 2, 2016Publication date: September 8, 2016Applicant: MITSUI HIGH-TEC , INC.Inventors: Shinichiro ONO, Masahiro IZUMI, Shigetoshi YAMATO
-
Patent number: 9431883Abstract: A method of manufacturing a laminated core, having a laminated core body 10a formed by laminating plural core sheets 11 and having magnet insertion holes 13, 14 with openings 17, 18 opening to a inner space 15 or an external side, inserting and resin-sealing permanent magnets 20, 21 in the magnet insertion holes 13, 14, with the openings 17, 18 blocked by a blocking member 23, the method including: temporarily connecting blocking member pieces 32 to be the blocking member 23 in each of the core sheets 11 and removing the blocking member 23 with the laminated core body 10a resin-sealed. By this, without a special blocking member, the permanent magnets 20, 21 are resin-sealed while the magnet insertion holes 13, 14, parts of which have the openings 17, 18, are blocked.Type: GrantFiled: May 7, 2012Date of Patent: August 30, 2016Assignee: MITSUI HIGH-TEC, INC.Inventors: Satoshi Matsubayashi, Akira Nagai, Go Kato
-
Publication number: 20160243605Abstract: A die apparatus includes a first die and a second die which are respectively used in adjacent working stations that sequentially blank or stamp out a progressively fed thin metal sheet. The first and second dies are held in a state where outer peripheral surfaces of the first and second dies directly contact each other.Type: ApplicationFiled: January 21, 2016Publication date: August 25, 2016Applicant: MITSUI HIGH-TEC , INC.Inventors: Akihiro HASHIMOTO, Kenichirou IWATA
-
Patent number: 9422241Abstract: This disclosure concerns novel demethylpenclomedine analogs. Also disclosed are pharmaceutical compositions and methods for using such compositions to treat hyperproliferative disorders.Type: GrantFiled: February 22, 2012Date of Patent: August 23, 2016Assignee: Dekk-Tec, Inc.Inventor: Lee Roy Morgan
-
Patent number: 9373991Abstract: A method for manufacturing a laminated iron core is provided. A laminated iron core body including a permanent magnet inserted into a magnet-insert hole is arranged between a molding die and a holding die. A cull plate is arranged between the molding die and the laminated iron core body. The cull plate has a groove shaped runner directed toward the magnet-insert hole from a resin reservoir and provided with a gate hole communicating with the magnet-insert hole, and a through hole which vertically passes through the cull plate is formed in the runner of the cull plate at a different position from a position of the gate hole. After the magnet-insert hole is filled with the mold resin a resin residue remaining in the cull plate is pushed off and removed from the gate hole and the through hole.Type: GrantFiled: November 5, 2013Date of Patent: June 21, 2016Assignee: MITSUI HIGH-TEC, INC.Inventor: Hirotoshi Mabu
-
Patent number: 9349612Abstract: A lead frame includes a plurality of unit lead frames arranged in a matrix. Leads of adjacent ones of the unit lead frames are connected via a connecting bar, in which a longitudinal connecting bar and a transverse connecting bar are crossed at a crossing part. The lead frame further includes a dicing part including the connecting bar and a part of the leads, to be cut along a dicing line, a half-etching part formed along the dicing part, and being smaller in width than the dicing part, and a strength retention part formed in the half-etching part and extended from the crossing part of the connecting bar at least to an end lead located closest to the crossing part among the leads of the unit lead frame adjacent to the crossing part.Type: GrantFiled: January 2, 2014Date of Patent: May 24, 2016Assignee: MITSUI HIGH-TEC, INC.Inventor: Takahiro Ishibashi
-
Publication number: 20160134179Abstract: There is provided a method of manufacturing a rotor that includes a permanent magnet inserted into a magnet-insert hole formed in a rotor core, a positioning member which is inserted into the magnet-insert hole and positions the permanent magnet with respect to the rotor core, and a resin material for fixing the permanent magnet to the magnet-insert hole by filling the magnet-insert hole with the resin material. In the method, a mold unit is provided above or below the rotor core, and another positioning member used for manufacturing another rotor is molded using the mold unit while filling the magnet-insert hole with the resin material.Type: ApplicationFiled: October 29, 2015Publication date: May 12, 2016Applicant: MITSUI HIGH-TEC , INC.Inventors: Akira NAGAI, Kohei YOSHIDA
-
Publication number: 20160118321Abstract: A lead frame includes a lead frame body processed in a predetermined shape, and including a notched part provided at an end of the lead frame body, the notched part being used as a starting point of tape-removing, a resin leakproof tape stuck on a back surface of the lead frame body, and a region of a periphery of the notched part in the back surface of the lead frame body, the region being reduced in a strength of bonding between the resin leakproof tape and the lead frame body is reduced relative to other region.Type: ApplicationFiled: October 16, 2015Publication date: April 28, 2016Applicant: MITSUI HIGH-TEC , INC.Inventor: Takahiro ISHIBASHI
-
Patent number: 9318923Abstract: A laminated iron core and a method for manufacturing the same are provided to secure the lamination strength of the respective iron core pieces thereof, and to provide good magnetic efficiency and to reduce a loss. In a laminated iron core including a first caulking section formed in an area thereof having larger magnetic flux density than other area and a second caulking section formed in the other area, the engagement area A of the recessed sub-sections and projecting sub-sections of the first caulking sections of divided iron core pieces adjoining each other in the laminating direction is set smaller than the engagement area B of the recessed sub-sections and projecting sub-sections of the second caulking sections adjoining each other in the laminating direction.Type: GrantFiled: January 23, 2012Date of Patent: April 19, 2016Assignee: MITSUI HIGH-TEC, INC.Inventors: Akira Nagai, Jin Oda
-
Publication number: 20160099615Abstract: A laminated iron core includes laminated iron core pieces, in which coupling parts are formed so as to communicate in a lamination direction of the laminated iron core pieces, and the coupling parts are filled with resins. The laminated iron core satisfies the following formula: (T×S)/?>{(4×E×?×w×t3)/L3}×n, where T is a strength (N/mm2) of the resin; S is a cross-sectional area (mm2) of the coupling part or the resin; E is a Young's modulus (N/mm2) of the strip material; ? is a distortion amount (mm) of the iron core piece; w is a width (mm) of the iron core piece in a radial direction; t is a plate thickness (mm) of the iron core piece; n is the number of laminated iron core pieces; L is a distance (mm) between the coupling parts adjacent in the circumferential direction; and ? is a safety factor.Type: ApplicationFiled: September 29, 2015Publication date: April 7, 2016Applicant: MITSUI HIGH-TEC , INC.Inventors: Yusuke HASUO, Toyoshi ODAHARA
-
Publication number: 20160094111Abstract: At the time of manufacturing both a laminated rotor core 13 and a laminated stator core 14 by punching out a plurality of iron core pieces 11 and 12 from a same strip material 10 and laminating the punched out iron core pieces 11 and 12, respectively, a plurality of kinds of laminated rotor cores 13 and 13a are manufactured by further punching out a plurality of iron core pieces 11a from the strip material 10 and laminating the punched out iron core pieces 11a. Here, the plurality of kinds of the laminated rotor cores 13 and 13a can be used for different electric motors.Type: ApplicationFiled: September 24, 2015Publication date: March 31, 2016Applicant: MITSUI HIGH-TEC, INC.Inventor: Akihiro Hashimoto
-
Publication number: 20160065040Abstract: A method of manufacturing a laminated iron core includes extruding resins from a plurality of plungers toward a plurality of through holes extending from an upper surface to a lower surface of a laminated body formed of a plurality of electromagnetic steel plates to fill the plurality of through holes with the resins. The plurality of plungers are mutually independent and an extrusion amount of the resin is controlled for each plunger.Type: ApplicationFiled: July 28, 2015Publication date: March 3, 2016Applicant: MITSUI HIGH-TEC , INC.Inventors: Akira NAGAI, Kazuki NAMAIKE, Hidemi SASAKI
-
Publication number: 20160056694Abstract: Provided is a resin sealing method of a motor core having a rotor core and a stator core formed in such a way that a plurality of iron core pieces is laminated. The resin sealing method includes pressing the rotor core and the stator core from a direction of lamination by using a set of an upper die and a lower die, then extruding a resin stored in a resin reservoir pot provided in one or both of the upper die and the lower die by using a plunger and allowing a magnet-insert hole formed in the direction of lamination of the rotor core and a connection hole formed in the direction of lamination of the stator core to be filled with the resin and harden the resin.Type: ApplicationFiled: August 5, 2015Publication date: February 25, 2016Applicant: MITSUI HIGH-TEC , INC.Inventor: Hirotoshi MABU
-
Publication number: 20160023447Abstract: A manufacturing method for laminated iron cores includes processing a metal sheet to form product sheets, in each of which iron core pieces are arranged inside an outer frame piece and the iron core pieces are connected to the outer frame piece in such a way that outer peripheral sides of the iron core pieces are connected to nearest parts of the outer frame piece through bridge pieces, laminating the product sheets and temporarily fixing the product sheets adjacent to each other in a vertical direction together to form a sheets laminated body including iron core pieces laminated parts and bridge pieces laminated parts, sealing the iron core pieces laminated parts by a resin while being pressurized to form pre-formed laminated iron cores, and separating the bridge pieces laminated parts from the pre-formed laminated iron cores to form the laminated iron cores which are individually separated.Type: ApplicationFiled: July 14, 2015Publication date: January 28, 2016Applicant: MITSUI HIGH-TEC , INC.Inventor: Koji SHIMIZU
-
Publication number: 20160013709Abstract: In the case of a laminated rotor core 10, insertion of permanent magnets 14 and filling of resin 15 into each of magnet insertion holes 13 are performed in order to cancel out a problem of an imbalanced weight estimated from a deviation of lamination thickness in a circumferential direction of a laminated core body 12, and a manufacturing method includes a step of measuring a deviation of lamination thickness in which an imbalanced weight is estimated by measuring the deviation of lamination thickness in the circumferential direction of the laminated core body 12, and a step of balance adjustment in which the insertion of the permanent magnets 14 into each of the magnet insertion holes 13 and the filling of resin 15 into each of the magnet insertion holes 13 are performed in a manner that cancels out a problem of this imbalanced weight.Type: ApplicationFiled: July 8, 2015Publication date: January 14, 2016Applicants: Mitsui High-tec, Inc., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akira Nagai, Kenji Katsuki, Go Kato, Jin Oda, Yuzo Ohta, Masashi Matsumoto, Tatsuhiko Mizutani
-
Patent number: 9225228Abstract: A method of manufacturing a laminated stator core and a laminated stator core manufactured by the method, the method capable of forming a recess 21 over one or both of (a) a lateral portion of an ear piece C of the stator core sheet A to be formed adjacent to the stator core sheet B and (b) a peripheral portion of the annular yoke piece D continuing to the lateral portion, the peripheral portion beside the ear piece C; fitting one ear piece E of the stator core sheet B with a gap in the recess 21; and thereby improving a material yield when the stator core sheets 13 are formed from the strip material 14.Type: GrantFiled: February 2, 2012Date of Patent: December 29, 2015Assignees: MITSUI HIGH-TEC, INC., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yusuke Hasuo, Shinya Sano, Eiji Yanagida
-
Publication number: 20150372572Abstract: In a method for manufacturing a laminated iron core from a thin sheet, the method includes coining the thin sheet from above to form a thinned bridge portion on an outer peripheral portion of an iron core piece, blanking the iron core piece downwardly from the thin sheet using a set of an outer-shape blanking punch and a die after forming the bridge portion, wherein the outer-shape blanking punch includes a projection portion fitted into the bridge portion when blanking, and laminating the iron core piece on another iron core piece to manufacture the laminated iron core.Type: ApplicationFiled: June 17, 2015Publication date: December 24, 2015Applicants: MITSUI HIGH-TEC , INC., PANASONIC CORPORATIONInventors: Akihiro HASHIMOTO, Tadashi IIDA, Kiyomi KAWAMURA, Koichi MITAMURA
-
Publication number: 20150372571Abstract: In a method for manufacturing a laminated iron core from a thin sheet, the method includes coining the thin sheet from below to form a thinned bridge portion on an outer peripheral portion of an iron core piece, blanking the iron core piece from the thin sheet from above or below after forming the bridge portion, and laminating the iron core piece on another iron core piece to manufacture the laminated iron core.Type: ApplicationFiled: June 17, 2015Publication date: December 24, 2015Applicants: MITSUI HIGH-TEC , INC., PANASONIC CORPORATIONInventors: Akihiro HASHIMOTO, Tadashi IIDA, Kiyomi KAWAMURA, Koichi MITAMURA
-
Patent number: 9200784Abstract: An illumination assembly comprising an LED module removably supported within a lamp housing configured to be mounted on an elevator ceiling panel in a position to direct light from the LED module downward into an elevator passenger compartment through an opening in the housing and a hole in the ceiling panel. The LED module is removable from the housing from below the ceiling panel through the housing opening and the hole in the ceiling panel. Threads formed in an inner cylindrical wall of the lamp housing receive threads formed in an outer circumferential surface of the LED module in threaded engagement. The LED module includes at least two LED module removal surfaces positioned to be engaged by respective engagement surfaces of a tool configured to apply torque to and rotate the LED module relative to the lamp housing.Type: GrantFiled: March 17, 2014Date of Patent: December 1, 2015Assignee: MAN-D-TEC, INC.Inventors: Dalton J. Mandy, Terry R. Mandy, Brandon R. Mandy
-
Publication number: 20150325366Abstract: A method of manufacturing a laminated iron core includes performing at least two kinds of selectively-actuated punching processes by actuating respective punching units to form a plurality of iron core pieces, each of the punching units being switchable between an active state or a non-active state, and caulking and laminating the plurality of iron core pieces to manufacture the laminated iron core. The selectively-actuated punching processes are performed in one operation by selectively actuating each of the punching units between the active state and the non-active state.Type: ApplicationFiled: May 11, 2015Publication date: November 12, 2015Applicant: MITSUI HIGH-TEC , INC.Inventors: Souhachi ARIMA, Tomohiko HAYATA
