Patents by Inventor Yoshihiro Wakamatsu

Yoshihiro Wakamatsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8336797
    Abstract: Provided is a powder and granular material crushing and sizing apparatus in which stators are easy to disassemble and assemble, i.e. in which disc-like rotors and stators can be cleaned and replaced easily. A drive shaft, on which a plurality of disc-like rotors are disposed, is supported in a cantilever manner on a bearing housing. A plurality of stators are disposed on a holder to make up a stator assembly. The stator assembly is detachably disposed in the bearing housing. An opening is formed in a side wall of the casing. The disc-like rotors and the stator assembly are housed via the opening, and the casing is detachably disposed on the bearing housing. ion.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: December 25, 2012
    Assignee: Nara Machinery Co., Ltd.
    Inventors: Yoshihiro Wakamatsu, Yoshinori Hanada
  • Patent number: 8146847
    Abstract: A powder based granules disintegrating and sizing device, includes: a drive shaft that is inserted horizontally in the casing main body; a plurality of circular plates that are fixedly supported at intervals by the drive shaft; and a stator, the plate surface of the circular plate and the inclined surface of the stator configuring a gap portion A where a powder based granules accumulates, and a narrowest gap portion between the circumferential edge of the circular plate and the stator configuring a disintegrating and sizing portion B. The stator stretches over the entire circumference of the circular plate, a raw material feeding port is provided on a side wall in the vicinity of the drive shaft of the casing main body, and a cutout portion through which a raw material passes is formed on the plate surface of the circular plate.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: April 3, 2012
    Assignee: Nara Machinery Co., Ltd.
    Inventors: Yoshihiro Wakamatsu, Azusa Ichiki
  • Patent number: 7992813
    Abstract: A powder based granules disintegrating and sizing device having a drive shaft in a horizontal direction inside a casing, a rotor fixed to the drive shaft, a sizing stator having an inclined surface, a gap section A where the powder based granules settles being formed by the plate surface of the rotor and the inclined surface of the sizing stator, and a disintegrating and sizing section B being formed by the narrowest gap section between the circumferential edge of the rotor and the sizing stator. The drive shaft is supported in a cantilever fashion, the rotor is fixed to an open side end portion thereof, the sizing stator is installed over the whole circumference of the rotor, a raw material supply port is opened in the vicinity of the central portion of the rotor, and a product output port is opened in the vicinity of position directly below the rotor.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: August 9, 2011
    Assignee: Nara Machinery Co., Ltd.
    Inventors: Yoshihiro Wakamatsu, Azusa Ichiki
  • Publication number: 20110062264
    Abstract: Provided is a powder and granular material crushing and sizing apparatus in which stators are easy to disassemble and assemble, i.e. in which disc-like rotors and stators can be cleaned and replaced easily. A drive shaft, on which a plurality of disc-like rotors are disposed, is supported in a cantilever manner on a bearing housing. A plurality of stators are disposed on a holder to make up a stator assembly. The stator assembly is detachably disposed in the bearing housing. An opening is formed in a side wall of the casing. The disc-like rotors and the stator assembly are housed via the opening, and the casing is detachably disposed on the bearing housing. ion.
    Type: Application
    Filed: September 9, 2010
    Publication date: March 17, 2011
    Applicant: NARA MACHINERY CO., LTD.
    Inventors: Yoshihiro Wakamatsu, Yoshinori Hanada
  • Publication number: 20090108112
    Abstract: A powder based granules disintegrating and sizing device, includes: a drive shaft that is inserted horizontally in the casing main body; a plurality of circular plates that are fixedly supported at intervals by the drive shaft; and a stator, the plate surface of the circular plate and the inclined surface of the stator configuring a gap portion A where a powder based granules accumulates, and a narrowest gap portion between the circumferential edge of the circular plate and the stator configuring a disintegrating and sizing portion B. The stator stretches over the entire circumference of the circular plate, a raw material feeding port is provided on a side wall in the vicinity of the drive shaft of the casing main body, and a cutout portion through which a raw material passes is formed on the plate surface of the circular plate.
    Type: Application
    Filed: December 12, 2006
    Publication date: April 30, 2009
    Applicant: NARA MACHINERY CO., LTD
    Inventors: Yoshihiro Wakamatsu, Azusa Ichiki
  • Publication number: 20090026297
    Abstract: A powder based granules disintegrating and sizing device having a drive shaft in a horizontal direction inside a casing, a rotor fixed to the drive shaft, a sizing stator having an inclined surface a gap section A where the powder based granules settles being formed by the plate surface of the rotor and the inclined surface of the sizing stator, and a disintegrating and sizing section B being formed by the narrowest gap section between the circumferential edge of the rotor and the sizing stator. The drive shaft is supported in a cantilever fashion, the rotor is fixed to an open side end portion thereof, the sizing stator is installed over the whole circumference of the rotor, a raw material supply port is opened in the vicinity of the central portion of the rotor, and a product output port is opened in the vicinity of position directly below the rotor.
    Type: Application
    Filed: February 26, 2007
    Publication date: January 29, 2009
    Applicant: NARA MACHINERY CO., LTD.
    Inventors: Yoshihiro Wakamatsu, Azusa Ichiki
  • Patent number: 7455252
    Abstract: It is an object of the present invention to provide a particle crushing and sizing apparatus having a sufficiently wide particle crushing and sizing range, capable of being scaled down in size, and having high processing throughput. To achieve the object, a particle crushing and sizing apparatus has, in a casing 1a, a horizontally provided drive shaft 2, a plurality of circular plates 10 fixedly supported with intervals at the drive shaft 2, and stators 5 arranged so as to be opposed to plate faces 10a at lower peripheral edges of the circular plates 10 and each having inclined faces 5b that cause a gap between the plate faces 10a of the circular plates 10 to become narrower toward peripheral edges of the plate faces 10a.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: November 25, 2008
    Assignee: Nara Machinery Co., Ltd.
    Inventors: Yorioki Nara, Yoshinori Hanada, Kenji Hamada, Yoshihiro Wakamatsu, Shinichi Yamamoto, Yuko Nakahara
  • Publication number: 20060124788
    Abstract: It is an object of the present invention to provide a particle crushing and sizing apparatus having a sufficiently wide particle crushing and sizing range, capable of being scaled down in size, and having high processing throughput. To achieve the object, a particle crushing and sizing apparatus has, in a casing 1a, a horizontally provided drive shaft 2, a plurality of circular plates 10 fixedly supported with intervals at the drive shaft 2, and stators 5 arranged so as to be opposed to plate faces 10a at lower peripheral edges of the circular plates 10 and each having inclined faces 5b that cause a gap between the plate faces 10a of the circular plates 10 to become narrower toward peripheral edges of the plate faces 10a.
    Type: Application
    Filed: March 25, 2004
    Publication date: June 15, 2006
    Applicant: NARA MACHINERY CO., LTD.
    Inventors: Yorioki Nara, Yoshinori Hanada, Kenji Hamada, Yoshihiro Wakamatsu, Shinichi Yamamoto, Yuko Nakahara
  • Patent number: 6892475
    Abstract: The present invention relates to a rotating fluidized bed apparatus for powder particle. A gas circulation path is formed at the periphery of the treatment chamber 2 via the circumferential faceplate 202, 212, and the circumferential faceplate is adapted to rotate around an axis. Behavior of powder particles can be controlled by introducing gas from the periphery of the treatment chamber via the circumferential plate 212 to exert centripetal force on the powder particle, while exerting centrifugal force on the powder particles accompanying rotation of the circumferential plate 212.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: May 17, 2005
    Assignee: Nara Machinery Co., Ltd.
    Inventors: Yoshihiro Wakamatsu, Satoru Watano
  • Publication number: 20040168342
    Abstract: The present invention relates to a rotating fluidized bed apparatus for powder particle. A gas circulation path is formed at the periphery of the treatment chamber 2 via the circumferential faceplate 202, 212, and the circumferential faceplate is adapted to rotate around an axis. Behavior of powder particles can be controlled by introducing gas from the periphery of the treatment chamber via the circumferential plate 212 to exert centripetal force on the powder particle, while exerting centrifugal force on the powder particles accompanying rotation of the circumferential plate 212.
    Type: Application
    Filed: January 8, 2004
    Publication date: September 2, 2004
    Inventors: Yoshihiro Wakamatsu, Satoru Watano
  • Patent number: 6454194
    Abstract: The object is that of providing a granular material processing apparatus (1) capable of evenly applying energy such as the compressive force and shearing force of pressers (5), due to centrifugal force, while maintaining good circulation conditions for the swirl flow of granular material within a casing (3) wherein, even in cases where granular material for which it is difficult to control the flow thereof in the casing (3) is processed, this is not allowed to accumulate in once place within the casing (3), but is moved to the entire interior wall thereof. In the cylindrical region formed in accordance with the revolution of the pressers (5) in the casing (3), an empty region (6) is formed wherein there is no extension of a shaft (201) etc.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: September 24, 2002
    Assignee: Nara Machinery Co., Ltd.
    Inventors: Kenji Hamada, Shinichi Yamamoto, Yoshihiro Wakamatsu