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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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Inventor Inventor Assignee Assignee IPC IPC
1
US2021001557A1
Method for Producing Three-Dimensional Shaped Product
Publication/Patent Number: US2021001557A1 Publication Date: 2021-01-07 Application Number: 16/833,173 Filing Date: 2020-03-27 Inventor: Amaya, Koichi   Yoshida, Mitsuyoshi   Tomita, Seiichi   Takizawa, Akira   Nishikawa, Akishige   Assignee: Matsuura Machinery Corporation   IPC: B29C64/371 Abstract: A method for producing a three-dimensional shaped product that employs a shaping method based on dispersion of powder by a squeegee and irradiation onto a powder layer with a laser beam or electron beam, includes the following steps: 1. Setting an upper limit value and lower limit value for the amount of circulation passing through an anemometer, and an adjusting value within this range; 2. Measuring the amount of circulation and effecting control as follows: (1) When the measured value is between the upper limit value and lower limit value, the rotational speed of the blower fan is maintained, and (2) When the measured value has fallen below the lower limit value due to clogging of a filter, the rotational speed of the fan is increased and the rotational speed is selected at the stage where the measured value has reached the adjusting value, and the rotational speed is maintained.
2
US10773459B2
Three-dimensional shaping method
Publication/Patent Number: US10773459B2 Publication Date: 2020-09-15 Application Number: 15/667,268 Filing Date: 2017-08-02 Inventor: Amaya, Kouichi   Ishimoto, Kousuke   Yamada, Takeshi   Assignee: Matsuura Machinery Corporation   IPC: B29C64/393 Abstract: A three-dimensional shaping method utilizing a powder layer forming step, and a sintering step with a laser beam or electron beam, the method including the steps of a) measuring a light intensity of sparks and photographing the sparks generated with fly-off of powder caused by irradiation of the beam over the entire periphery of the sintering region, b) commanding to continue sintering within the next time unit or the next powder layer forming step, when it is detected that the region width and light intensity are within the standard ranges for a given time unit, and c) commanding to cancel sintering in the next time unit or the next powder layer forming step when a sintering defect has occurred, when it is detected that a condition has occurred in which the region width and light intensity deviate from the standard ranges for a given time unit.
3
EP3459678B1
METHOD FOR SUPPLYING CUTTING OIL
Publication/Patent Number: EP3459678B1 Publication Date: 2020-05-13 Application Number: 18195114.6 Filing Date: 2018-09-18 Inventor: Takakuwa, Hiroaki   Hirose, Ryuji   Arakawa, Hiroshi   Assignee: Matsuura Machinery Corporation   IPC: B23Q11/10
4
EP3450059B1
THREE-DIMENSIONAL SHAPING APPARATUS
Publication/Patent Number: EP3450059B1 Publication Date: 2020-07-29 Application Number: 18190206.5 Filing Date: 2018-08-22 Inventor: Amaya, Kouichi   Kato, Toshihiko   Midorikawa, Tetsushi   Yoshida, Mitsuyoshi   Shimizu, Kazuhiro   Assignee: Matsuura Machinery Corporation   IPC: B22F3/105
5
EP3747594A1
METHOD FOR SUPPLYING CUTTING OIL
Publication/Patent Number: EP3747594A1 Publication Date: 2020-12-09 Application Number: 20185114.4 Filing Date: 2018-09-06 Inventor: Takakuwa, Hiroaki   Hirose, Ryuji   Arakawa, Hiroshi   Assignee: Matsuura Machinery Corporation   IPC: B23Q11/10 Abstract: A method for supplying cutting oil which is able to attain the above object by adopting the following processes in a machine tool for cutting work pieces: setting of individual cutting times to each work piece and selection of cutting oil to be used; setting of a quantity of the cutting oil supplied per unit time to a cutting area where the cutting oil selected by the process a is used; supplying the cutting oil to a cutting-oil tank, with a state kept that the cutting oil remains in the cutting-oil tank; and supplying the cutting oil to the cutting area on cutting each of the work pieces by setting a quantity of the cutting oil as a quantity obtained by multiplying individual cutting times according to the process a with a cutting quantity per individual unit times according to the process b.
6
US2020376756A1
Method for Producing Three-Dimensional Shaping Product by Joining Top Undercut Region and Bottom Interior Space-Forming Region
Publication/Patent Number: US2020376756A1 Publication Date: 2020-12-03 Application Number: 16/711,831 Filing Date: 2019-12-12 Inventor: Tarumi, Satoru   Assignee: Matsuura Machinery Corporation   IPC: B29C64/188 Abstract: A method for producing a three-dimensional shaped product having an undercut region on the upper side and an interior space forming region on the lower side, by lamination of powder, sintering of a laminated layer and cutting of the sintered layer, includes the steps of, when a cutting path where the side is a location of the top edge of the interior space that has been created during creation of horizontal cutting paths for cutting of the interior space forming region, setting by the CAD/CAM system a command for carrying out further lamination at the location of the top edge, or creating a horizontal cutting path on a location on an upper side above the horizontal cutting path by a cutting width and setting a command to the cutting tool for terminating cutting along the cutting path, thereby avoiding having to cut a created horizontal cutting path.
7
US10562142B2
Pallet changing apparatus
Publication/Patent Number: US10562142B2 Publication Date: 2020-02-18 Application Number: 16/152,738 Filing Date: 2018-10-05 Inventor: Kato, Toshihiko   Tameto, Takashi   Horiguchi, Kyusuke   Assignee: Matsuura Machinery Corporation   IPC: B23Q7/14 Abstract: A pallet changing apparatus which adopts a table 4 that is able to move back and forth in relation to a turning shaft 1 and has a oscillating portion 41 for placing workpieces W, W′ by way of pallets P, P′ so as to oscillate freely by a rising portion 42 at the leading end of the table, and a bridging extending portion 31 which bridges a supporting portion of pallet P or P′ in a pallet changing arm 3 with both sides of the turning shaft 1 forming a shape of covering across the upper side of the rising portion 42 at a stage of the table 4 transferring pallet P.
8
US10562111B2
Cutting tool
Publication/Patent Number: US10562111B2 Publication Date: 2020-02-18 Application Number: 16/235,479 Filing Date: 2018-12-28 Inventor: Amaya, Kouichi   Tanaka, Ryuzo   Kano, Yoshiaki   Takezawa, Yasunori   Igarashi, Tetsuya   Assignee: Matsuura Machinery Corporation   IPC: B23B51/06 Abstract: A cutting tool 1 includes a cutting edge equipped with a helically curved groove 2 at a side outer periphery in the longitudinal direction, and a coolant passage pipe 3 extended internally and communicatively connected with ejection holes 4 of coolant arranged inside the groove 2 by way of a coolant passage pipe 31 branched from the coolant passage pipe 3 extended around a rotation center axis along the longitudinal direction or along the helically curved groove.
9
EP3473375B1
PALLET CHANGING APPARATUS
Publication/Patent Number: EP3473375B1 Publication Date: 2020-06-17 Application Number: 18199254.6 Filing Date: 2018-10-09 Inventor: Kato, Toshihiko   Tameto, Takashi   Horiguchi, Kyusuke   Assignee: Matsuura Machinery Corporation   IPC: B23Q7/14
10
US2020276754A1
METHOD FOR PRODUCING A THREE-DIMENSIONAL SHAPED PRODUCT
Publication/Patent Number: US2020276754A1 Publication Date: 2020-09-03 Application Number: 16/671,370 Filing Date: 2019-11-01 Inventor: Amaya, Kouichi   Tomita, Seiichi   Assignee: Matsuura Machinery Corporation   IPC: B29C64/153 Abstract: A method for producing a three-dimensional shaped product based on dispersion of powder by a squeegee and irradiation of the powder layer with a laser beam or electron beam, including the steps of installing a suction device that suctions fumes generated from the powder layer, in a state surrounding the entire periphery of a shaping table, and selecting a suction reference position at the shortest distance from the irradiation reference position currently moved and worked in a prescribed time range.
11
US10596654B2
Metal powder processing equipment
Publication/Patent Number: US10596654B2 Publication Date: 2020-03-24 Application Number: 14/536,610 Filing Date: 2014-11-08 Inventor: Amaya, Koichi   Kato, Toshihiko   Matsubara, Hideto   Yoshida, Mitsuyoshi   Assignee: Matsuura Machinery Corporation   IPC: B23K26/14 Abstract: In metal powder processing equipment where metal powder is sequentially laminated on a table inside a chamber and laser beam melting or electron beam melting, and shaping by a cutting tool subsequent to the melting are performed, unmolded powder remaining at the time of the melting and cut powder generated by the cutting can be scattered by generating air flow with respect to the cutting tool from either side of a main shaft or a tool holder. As a result, life of the cutting tool is prolonged and quality of a cut surface can be improved.
12
EP3702068A1
METHOD FOR PRODUCING A THREE-DIMENSIONAL SHAPED PRODUCT
Publication/Patent Number: EP3702068A1 Publication Date: 2020-09-02 Application Number: 19209329.2 Filing Date: 2019-11-15 Inventor: Amaya, Kouichi   Tomita, Seiichi   Assignee: Matsuura Machinery Corporation   IPC: B22F3/105 Abstract: [Purpose] Providing a method to achieve suction of fumes without disturbance to irradiation by a laser beam or an electron beam. [Solution Means] A method for producing a three-dimensional shaped product based on dispersion of powder by a squeegee and irradiation of the powder layer 3 with a laser beam or electron beam, wherein the aforementioned problem is solved by installing a suction device 4 that suctions fumes generated from the powder layer 3, with state surrounding the entire periphery of a shaping table 1, and working the suction device 4 in the full irradiation time, or selecting a suction reference position 42 at the shortest distance from the irradiation reference position P currently moved and worked in a prescribed time range, or selecting each suction reference position 42 present in the direction opposite from the traveling direction of the irradiation reference position P and worked in a prescribed time range.
13
US2020180237A1
Support and Method of Shaping Workpiece and Support
Publication/Patent Number: US2020180237A1 Publication Date: 2020-06-11 Application Number: 16/786,271 Filing Date: 2020-02-10 Inventor: Amaya, Kouichi   Ishimoto, Kousuke   Assignee: Matsuura Machinery Corporation   IPC: B29C67/00 Abstract: A support for supporting a workpiece from below efficiently while reducing the amount of necessary materials, and a shaping method for shaping the workpiece and support efficiently includes a hollow state support for supporting a workpiece from below, and the hollow state support has a lattice form with crossing of straight linear or curved columnar bodies, wherein a sintered strength at a connecting region with the workpiece is lower than the sintered strength at the other regions.
14
US202009699A1
PALLET CHANGING APPARATUS
Publication/Patent Number: US202009699A1 Publication Date: 2020-01-09 Application Number: 20/191,657 Filing Date: 2019-09-19 Inventor: Kato, Toshihiko   Horiguchi, Kyusuke   Tameto, Takashi   Assignee: Matsuura Machinery Corporation   IPC: B23Q7/14 Abstract: A pallet changing apparatus adopting a table 4 capable of moving back from and forth for a side of a turning shaft 1 and having a oscillating portion 41 for placing workpieces W, W by means of pallets P, P so as to oscillate freely by an upright portion 42 at the leading end of the table 4, wherein the turning shaft 1 covers a turning supporting portion 11 at its lower end side and turns together with a pallet changing arm 3 and moves freely in a vertical direction, and an insertion and removal hollow space 20 is provided, at the covering region, and allows the upright portion 42 to be inserted into the insertion and removal hollow space 20 and removed from the insertion and removal hollow space 20.
15
EP3543011B1
THREE-DIMENSIONAL SHAPING METHOD
Publication/Patent Number: EP3543011B1 Publication Date: 2020-12-09 Application Number: 19162412.1 Filing Date: 2019-03-13 Inventor: Tarumi, Satoru   Kobayashi, Jun   Assignee: Matsuura Machinery Corporation   IPC: B33Y10/00
16
EP2926981B1
Three-dimensional molding equipment and manufacturing method for three-dimensionally shaped plastic object
Publication/Patent Number: EP2926981B1 Publication Date: 2020-07-22 Application Number: 14192935.6 Filing Date: 2014-11-13 Inventor: Maeda, Toshio   Ishimoto, Kousuke   Takezawa, Yasunori   Kato, Toshihiko   Amaya, Kouichi   Assignee: Matsuura Machinery Corporation   IPC: B29C64/153
17
EP3745294A1
METHOD FOR PRODUCING THREE-DIMENSIONAL SHAPED PRODUCT BY JOINING TOP UNDERCUT REGION AND BOTTOM INTERIOR SPACE-FORMING REGION
Publication/Patent Number: EP3745294A1 Publication Date: 2020-12-02 Application Number: 19218391.1 Filing Date: 2019-12-20 Inventor: Tarumi, Satoru   Assignee: Matsuura Machinery Corporation   IPC: G06F30/10 Abstract: [Object] To provide a method for efficient shaping of a three-dimensional shaped product that has an undercut region formed on the upper side and forms an interior space on the lower side. [Solution Means] The method for producing a three-dimensional shaped product having an undercut region 1 on the upper side and an interior space 2-forming region on the lower side, by lamination of powder, sintering of laminated layer and cutting of sintered layer, is a method wherein, when a cutting path where the side is a location 23 of the top edge of the interior space 2 has been created during creation of horizontal cutting paths 3 for cutting of the interior space 2-forming region, the CAD/CAM system sets a command for carrying out further lamination at the location 23 of the top edge, or creates a horizontal cutting path 3 on a location that upper side of above the horizontal cutting path 3 by cutting width and sets a command to cutting tool 4 for terminating cutting along the cutting path, thereby it is avoided to cut created horizontal cutting path.
18
US10576684B2
Three-dimensional shaping method
Publication/Patent Number: US10576684B2 Publication Date: 2020-03-03 Application Number: 15/667,198 Filing Date: 2017-08-02 Inventor: Amaya, Kouichi   Ishimoto, Kousuke   Yamada, Takeshi   Assignee: Matsuura Machinery Corporation   IPC: B29C64/153 Abstract: A three-dimensional shaping method utilizing a powder layer forming step, and a sintering step with a laser beam or electron beam, the method including the steps of a) measuring the reflection intensity of the beam irradiated in each sintering step, or the reflection intensity of other light, b) commanding to continue sintering within the next time unit, or when the next powder layer forming step is given, when it has been detected that the reflection intensity of the step a) is within a standard range for a given time unit, and, c) judging that a sintering defect has been produced, and commanding to cancel sintering in the next time unit, or when the next powder layer forming step is given, when it is detected that a condition has occurred in which the reflection intensity of step a) deviates from the standard range for a given time unit.
19
US2020009699A1
PALLET CHANGING APPARATUS
Publication/Patent Number: US2020009699A1 Publication Date: 2020-01-09 Application Number: 16/575,822 Filing Date: 2019-09-19 Inventor: Kato, Toshihiko   Tameto, Takashi   Horiguchi, Kyusuke   Assignee: Matsuura Machinery Corporation   IPC: B23Q7/14 Abstract: A pallet changing apparatus adopting a table 4 capable of moving back from and forth for a side of a turning shaft 1 and having a oscillating portion 41 for placing workpieces W, W by means of pallets P, P so as to oscillate freely by an upright portion 42 at the leading end of the table 4, wherein the turning shaft 1 covers a turning supporting portion 11 at its lower end side and turns together with a pallet changing arm 3 and moves freely in a vertical direction, and an insertion and removal hollow space 20 is provided, at the covering region, and allows the upright portion 42 to be inserted into the insertion and removal hollow space 20 and removed from the insertion and removal hollow space 20.
20
US2020254684A1
SHAPING METHOD FOR THREE-DIMENSIONAL SHAPED PRODUCT
Publication/Patent Number: US2020254684A1 Publication Date: 2020-08-13 Application Number: 16/670,521 Filing Date: 2019-10-31 Inventor: Tomita, Seiichi   Assignee: Matsuura Machinery Corporation   IPC: B29C64/153 Abstract: A shaping method for a three-dimensional shaped product, including the following steps: 1. Setting a traveling distance of the squeegee to be a short distance that does not reach a chamber wall section, 2. Establishing location of wall layers connecting both ends at the chamber wall sections in a direction perpendicular to the traveling direction of the squeegee, within a traveling range based on the set traveling distance, or connecting to the ends on a powder feeder side at inner side of the chamber wall sections by a region to be sintered, from both sides of the region, 3. Forming powder layers by movement of the squeegee over the set traveling distance, 4. Forming sintered layers by irradiation with a beam on the formed powder layers, and forming wall layers by irradiation with a beam at the locations of the established wall layers, 5. Repeating steps 3 and 4.