Patents Assigned to Sumitomo Bakelite Company Limited
  • Patent number: 10364152
    Abstract: Particle production apparatus 1 including processing section 3 in which a processing liquid is adhered to a surface of each of inorganic particles contained in a powder material, chamber 4 connected to processing section 3 at a downstream side thereof in which the powder material is separated from gas carrying the material, powder material supply device 50 with supply portion 5 and supply unit 6 for supplying the powder material into processing section 3, and processing liquid spraying device 70 having a nozzle 7, a pump 8, a supply unit 9 for supplying the processing liquid, and a high-pressure gas (air) generating unit 11. Processing liquid spraying device 70 is configured to spray processing liquid as droplets onto the powder material just after the powder material being supplied into the processing section 3. Preferably, a volume of the processing section 3 is smaller than a volume of the chamber 4.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: July 30, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Takafumi Sumiyoshi, Hiroshi Shibata
  • Patent number: 10364153
    Abstract: Particle production apparatus 1 including processing section 3 in which a processing liquid is adhered to a surface of each of inorganic particles contained in a powder material, chamber 4 connected to processing section 3 at a downstream side thereof in which the powder material is separated from gas carrying the material, powder material supply device 50 with supply portion 5 and supply unit 6 for supplying the powder material into processing section 3, and processing liquid spraying device 70 having a nozzle 7, a pump 8, a supply unit 9 for supplying the processing liquid, and a high-pressure gas (air) generating unit 11. Processing liquid spraying device 70 is configured to spray processing liquid as droplets onto the powder material just after the powder material being supplied into the processing section 3. Preferably, a volume of the processing section 3 is smaller than a volume of the chamber 4.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: July 30, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Takafumi Sumiyoshi, Hiroshi Shibata
  • Patent number: 10342527
    Abstract: There is provided a repeated type organ fixing instrument having a plurality of suturing tools. The organ fixing instrument includes a rod-shaped engaging portion, a suture fixed to the engaging portion, a puncture needle for housing a plurality of the engaging portions. A plurality of the engaging portions are extruded one by one from the puncture needle by the operation of a operation unit main body. The suture fixed to at least one of the plurality of engaging portions is inserted within the inside of the puncture needle and wherein the other suture is derived from the inside to the outside of the puncture needle.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: July 9, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Yutaka Suzuki, Kazuki Okada, Shinetsu Harata, Kiyotaka Arikawa, Yasunori Kojo
  • Patent number: 10293573
    Abstract: Provided is a method for producing a micro flow channel chip that is used for a treatment or analysis of a liquid sample, the method being capable of producing a micro flow channel chip with high shape accuracy and high efficiency. The method includes a step of forming a groove on one surface of a base material; a lamination step of forming an adhesive resin layer on at least one surface of a resin film, and thereby obtaining a first laminate; and an adhesion step of arranging the surface of the base material where a groove has been formed and the adhesive resin layer of the first laminate to face each other, and bonding the base material and the first laminate such that the adhesive resin layer covers the groove, in which the glass transition temperature of the adhesive resin layer is 25° C. or lower.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: May 21, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventor: Hirohito Taniguchi
  • Patent number: 10279571
    Abstract: The present invention provides a decorative melamine board that maintains the surface hardness associated with melamine resin while having superior non-combustibility, being able to accommodate reductions in thickness and having superior bending workability at normal temperatures. The decorative melamine board has a structure obtained by laminating a surface layer and a core layer. The surface layer includes a surface layer material composed of a surface layer base material that carries a resin containing a melamine resin on a first surface side serving as a design surface, and carries a solid content of a thermoplastic resin emulsion on a second surface side that contacts the core layer. The core layer includes a core layer material composed of glass cloth or a prepreg having glass cloth as a base material thereof.
    Type: Grant
    Filed: November 25, 2011
    Date of Patent: May 7, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventor: Toshinori Kifuku
  • Patent number: 10269689
    Abstract: A thermally conductive sheet of the present invention includes a thermosetting resin (A), and an inorganic filler material (B) which is dispersed in the thermosetting resin (A). In the thermally conductive sheet according to the present invention, the volume resistivity of the cured product of the thermally conductive sheet, which is measured one minute later after an applied voltage of 1000 V is applied thereto on the basis of JIS K 6911 and at a temperature of 175° C., is greater than or equal to 1.0×108 ?·m.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: April 23, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Shunsuke Mochizuki, Kazuya Kitagawa, Yoji Shirato, Keita Nagahashi, Mika Tsuda, Satoshi Maji, Motomi Kurokawa, Kazuya Hirasawa
  • Patent number: 10259902
    Abstract: According to the present invention, there is provided a resol phenolic resin for a friction material wherein the resol phenolic resin has a structural unit A represented by Formula (1) and a structural unit B represented by Formula (2): wherein in Formula (1), m represents an integer of 1 or more; in a case where m is 1, R represents a methylol group; and in a case where m is 2 or more, R's independently represent a hydrogen atom or a methylol group and at least one R is a methylol group; and wherein in Formula (2), n represents an integer of 1 or more; in a case where n is 1, R represents a methylol group; and in a case where n is 2 or more, R's independently represent a hydrogen atom or a methylol group and at least one R is a methylol group.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: April 16, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Hajime Mifuka, Tadashige Hirano, Kenichi Iso
  • Patent number: 10239056
    Abstract: A micro flow channel chip having high shape accuracy is provided. A micro flow channel chip includes a base material 12 having a groove 121 formed on one surface; and a resin film 14 joined to the surface of the base material 12 so as to cover the groove 121 of the base material 12, in which the resin film 14 contains a (meth)acrylic resin (A), and the (meth)acrylic resin (A) contains a structural unit (A1) represented by Formula (1). (In Formula (1), R1 and R2 each independently represent a hydrogen atom, a methyl group, an ethyl group, or a propyl group; and R3 represents an alkyl group having 3 to 6 carbon atoms).
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: March 26, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventor: Hirohito Taniguchi
  • Patent number: 10213251
    Abstract: The high-frequency treatment tool includes a flexible tube inserted into a body cavity; an operating wire inserted through the flexible tube to be movable back and forth; a treatment part arranged on a distal end of the operating wire and treats biological tissue by applying a high-frequency current; a main body that fixes a base end of the flexible tube; a slider-fixing part that fixes a base end of the operating wire guided from the base end of the flexible tube and slides the operating wire in an axis direction with respect to the main body; and a slider-zipping part provided to encircle at least a portion of an outer peripheral surface of the slider-fixing part and slides the slider-fixing part by the operation of a user. The slider-fixing part is unrotatably coupled to the main body and the slider-gripping part is rotatably coupled to the slider-fixing part.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: February 26, 2019
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Wataru Otsuka, Shinetsu Harata
  • Patent number: 10130794
    Abstract: The present invention relates to a medical instrument capable of enhancing the slidability of an operating wire in a lumen. The medical instrument (for example, a catheter (10) of the present invention) includes: a medical instrument body (a sheath (16)) which has a long length and flexibility and is inserted into a body cavity; a lumen (for example, a sub-lumen (30)) which is formed in the medical instrument body along a longitudinal direction of the medical instrument body; and an operating wire (40). The operating wire (40) is accommodated in the lumen, extends along a longitudinal direction of the lumen, and is slidable in the longitudinal direction of the lumen, and the medical instrument body can be bent by an operation of pulling the operating wire (40). A lubricating liquid (45) adheres to at least a surface of the operating wire (40).
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: November 20, 2018
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventor: Kenichi Kanemasa
  • Patent number: 10100886
    Abstract: A back-plate composition of the present invention is a composition for forming a back plate of a brake pad, the brake pad having a friction material and the back plate bonded to the friction material. The back-plate composition includes a resin, a plurality of first fibers and a plurality of second fibers having an average length shorter than an average length of the first fibers. In the case where the average length of the first fibers is “L1” [?m] and the average length of the second fibers is “L2” [?m], “L2”/“L1” is in the range of 0.001 to 0.5. This makes it possible to provide a back-plate composition having excellent moldability, as well as a back plate formed of the back-plate composition, a brake pad including the back-plate and a caliper device provided with the brake pad.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: October 16, 2018
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Hideaki Inokuchi, Hidemi Yazawa
  • Patent number: 10072647
    Abstract: A housing (10) of a compressor (1) according to the present embodiment includes at least one compression chamber (101) that compresses a gas aspirated into the inside thereof and is composed of a metal-resin composite (16) in which a resin member (14) composed of a thermosetting resin composition and a metal member (12) are bonded to each other.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: September 11, 2018
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Shu Okasaka, Shinya Yamamoto
  • Patent number: 9987817
    Abstract: A metal-resin composite body (100) of the present invention is obtained by bonding a resin member (101) and a metal member (102) together. The resin member (101) is obtained by curing a thermosetting resin composition (P) containing a thermosetting resin (A) and a filler (B). The metal member (102) has a roughened layer (104) including fine irregularities on at least a bonding surface (103) bonded to the resin member (101). A portion of the filler (B) is present in depression portions constituting the irregularities of the roughened layer (104).
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: June 5, 2018
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Yoshihiro Takihana, Koji Koizumi, Yusuke Watanabe
  • Patent number: 9926446
    Abstract: A phenolic resin composition for friction materials includes a high-ortho novolac phenolic resin, a novolac resorcinol resin, and hexamethylenetetramine.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: March 27, 2018
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventor: Naoyuki Harada
  • Patent number: 9920801
    Abstract: A brake pad 10 can brake a rotation of a disc 200. The brake pad 10 includes a friction material 12 provided on the side of the disc 200 and a back plate 11 bonded to the friction material 12 on the opposite side of the disc 200. A thickness of a central region of the back plate 11 in a rotational direction of the disc 200 is larger than thicknesses of both end regions of the back plate 11 in the rotational direction of the disc. In the case where a minimum value of the thicknesses of the end regions of the back plate 11 is defined as “h1 [mm]” and a maximum value of the thickness of the central region of the back plate 11 is defined as “h2 [mm]”, h1 and h2 preferably satisfy a relationship of “h2?h1<3”.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: March 20, 2018
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Hideaki Inokuchi, Hidemi Yazawa
  • Publication number: 20180044190
    Abstract: Particle production apparatus 1 including processing section 3 in which a processing liquid is adhered to a surface of each of inorganic particles contained in a powder material, chamber 4 connected to processing section 3 at a downstream side thereof in which the powder material is separated from gas carrying the material, powder material supply device 50 with supply portion 5 and supply unit 6 for supplying the powder material into processing section 3, and processing liquid spraying device 70 having a nozzle 7, a pump 8, a supply unit 9 for supplying the processing liquid, and a high-pressure gas (air) generating unit 11. Processing liquid spraying device 70 is configured to spray processing liquid as droplets onto the powder material just after the powder material being supplied into the processing section 3. Preferably, a volume of the processing section 3 is smaller than a volume of the chamber 4.
    Type: Application
    Filed: October 24, 2017
    Publication date: February 15, 2018
    Applicant: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Takafumi SUMIYOSHI, Hiroshi SHIBATA
  • Publication number: 20180044189
    Abstract: Particle production apparatus 1 including processing section 3 in which a processing liquid is adhered to a surface of each of inorganic particles contained in a powder material, chamber 4 connected to processing section 3 at a downstream side thereof in which the powder material is separated from gas carrying the material, powder material supply device 50 with supply portion 5 and supply unit 6 for supplying the powder material into processing section 3, and processing liquid spraying device 70 having a nozzle 7, a pump 8, a supply unit 9 for supplying the processing liquid, and a high-pressure gas (air) generating unit 11. Processing liquid spraying device 70 is configured to spray processing liquid as droplets onto the powder material just after the powder material being supplied into the processing section 3. Preferably, a volume of the processing section 3 is smaller than a volume of the chamber 4.
    Type: Application
    Filed: October 24, 2017
    Publication date: February 15, 2018
    Applicant: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Takafumi SUMIYOSHI, Hiroshi SHIBATA
  • Patent number: 9849613
    Abstract: A cooling apparatus includes a conveying means which conveys a resin composition formed into a sheet shape along a direction parallel to a surface of the sheet-shaped resin composition and a cooling means which cools the resin composition being conveyed by the conveying means. A temperature of the resin composition just before being cooled by the cooling means is in the range of 40 to 60° C. and the cooling means has a cooling ability to cool the resin composition such that a cooling rate of the resin composition is in the range of 0.2 to 5° C./min. Further, the cooling means includes a fan section having at least one outlet port which discharges cooling air of which temperature is in the range of ?40 to 0° C. to the resin composition.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: December 26, 2017
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Shigehisa Ueda, Hiroshi Shibata
  • Patent number: 9828252
    Abstract: A particle production apparatus 1 includes a processing section 3 in which a processing liquid is allowed to adhere to a surface of each of inorganic particles contained in a powder material, a chamber 4 connected to the processing section 3 at a downstream side thereof in which the powder material is separated from gas carrying the powder material, a powder material supply device 50 having a supply portion 5 and a supply unit 6 for supplying the powder material and the like into the processing section 3, and a processing liquid spraying device 70 having a nozzle 7, a pump 8, a supply unit 9 for supplying the processing liquid, a high-pressure gas (air) generating unit 11 and the like. The processing liquid spraying device 70 is configured to spray the processing liquid as droplets onto the powder material just after the powder material being supplied into the processing section 3. Preferably, a volume of the processing section 3 is smaller than a volume of the chamber 4.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: November 28, 2017
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Takafumi Sumiyoshi, Hiroshi Shibata
  • Patent number: 9816573
    Abstract: The brake pad 10 includes a friction material 12 provided on the side of the disc 200 and a back plate 11 bonded to the friction material on the opposite side of the disc 200. A thickness of a peripheral region of the back plate on the side of a center of the disc is larger than a thickness of a peripheral region of the back plate on the side of an outer circumference of the disc. In the case where a minimum value of the thickness of the peripheral region of the back plate on the side of the center of the disc is defined as “h2 [mm]” and a maximum value of the thickness of the peripheral region of the back plate 11 on the side of the outer circumference of the disc is defined as “h1 [mm]”, h1 and h2 satisfy a relationship of “h2?h1<3”.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: November 14, 2017
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Hideaki Inokuchi, Hidemi Yazawa