Patents by Inventor Nobunori Kubota

Nobunori Kubota 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).

  • Draft device
    Patent number: 4538329
    Abstract: A draft device for a spinning machine comprises a plurality of pairs of a top roller and a bottom roller, a draft cradle for supporting shafts of the top roller and a belt tenser. Top roller shafts are supported by a top roller support which is rotatably supported on a frame at one end thereof and side plates for fitting the top roller shafts therein, and spring members for pressing the roller shafts are disposed within the top roller support. A tenser of the belt tenser has an engaging portion wherein the top roller shaft is loosely fitted.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: September 3, 1985
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Shoji Sakai, Michiaki Fujiwara, Nobunori Kubota, Koshi Noda
  • Spinning machine with a doffing apparatus
    Patent number: 4535944
    Abstract: A spinning machine wherein a yarn knotting truck having a knotter provided thereon travels in a truck travelling spacing provided along a number of spinning units further includes an apparatus for automatically doffing winding packages which have yarns fully wound thereon. A doffing truck which has provided thereon a doffing apparatus travels in the truck travelling spacing.
    Type: Grant
    Filed: July 15, 1983
    Date of Patent: August 20, 1985
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Teiji Nakahara, Shoji Sakai, Koshi Noda, Michiaki Fujiwara, Nobunori Kubota
  • Method of guiding yarn end in air spinning apparatus
    Patent number: 4517794
    Abstract: A device for the uniform retrieval of yarn ends in an air spinning device. A suction force gradient is created between the air jet nozzle and the waste suction pipe. Gravitational force and the suction gradient cause broken yarn ends to drop from the air jet nozzle orifice toward the waste suction pipe. When yarn piecing is desired, a piecing suction pipe retrieves the yarn end from the nozzle orifice.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: May 21, 1985
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Shoji Sakai, Michiaki Fujiwara, Nobunori Kubota, Koshi Noda
  • Air spinning nozzle unit
    Patent number: 4457130
    Abstract: An air nozzle for spinning yarn is positioned adjacent a pair of drafting rollers. The space between a cap covering the nozzle and the nozzle itself forms a tank for the air to be jetted through the nozzle. A tapered throttle located behind the nozzle reduces resistance to air exiting from the jetting ports.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: July 3, 1984
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Shoji Sakai, Michiaki Fujiwara, Nobunori Kubota, Koshi Noda, Toshifumi Morihashi
  • Apparatus for slacking yarn in winder
    Patent number: 4456188
    Abstract: A yarn slacking apparatus for slacking and retaining a fed yarn therein during the knotting operation in a winder. The sucking action is caused in the slack tube only when the knotting operation is carried out, while the sucking action of the slack tube is stopped by means of providing a shutter means for an opening of the slack tube, when the knotting operation is not conducted.
    Type: Grant
    Filed: December 3, 1981
    Date of Patent: June 26, 1984
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Shoji Sakai, Michiaki Fujiwara, Nobunori Kubota, Koshi Noda
  • Air current rectifier plate on an air spinning device
    Patent number: 4412413
    Abstract: An air current rectifier plate surrounds the foremost air jet nozzle in an air spinning device. The rectifier plate produces a non-turbulent flow of air toward the waste suction pipe and prevents debris from back-flowing into the air jet nozzle.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: November 1, 1983
    Assignee: Murata Machinery, Ltd.
    Inventors: Shoji Sakai, Michiaki Fujiwara, Nobunori Kubota, Koshi Noda
  • Method and apparatus for transmitting driving power in drafting device of spinning frame
    Patent number: 4398320
    Abstract: A method and apparatus for transmitting a driving power in a drafting device of a spinning frame. In the drafting device comprising a pair of back rollers, middle rollers and front rollers arranged in order, the driving power for the middle rollers is transmitted through a transmission passage different from a transmission passage for transmitting the driving power for the back rollers and front rollers.
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: August 16, 1983
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Nobunori Kubota, Hisaaki Kato, Teruo Nakayama
  • Pneumatic spinning apparatus
    Patent number: 4169350
    Abstract: The present invention relates to a layout in pneumatic spinning apparatus. In a pneumatic spinning apparatus comprising a drafting device, a pneumatic spinning device, a take-up roller, a winding device and a yarn knotting device, the respective devices are arranged to face an operation space so as to enhance the operation efficiency of the apparatus.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: October 2, 1979
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Makoto Yamana, Nobunori Kubota
  • Yarn piecing and knotting device for pneumatic spinning apparatus
    Patent number: 4121409
    Abstract: A yarn piecing and knotting device for use in a pneumatic spinning machine for spinning slivers directly into a yarn by air jetting nozzles is disclosed. This yarn knotting device comprises means for retaining a spun yarn temporarily during a period ranging from the time of completion of the operation of a yarn knotter for connecting the spun yarn with a yarn taken out of a package to the time of resumption of winding.
    Type: Grant
    Filed: June 21, 1977
    Date of Patent: October 24, 1978
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Hiroshi Uchida, Kunio Umeda, Zenpei Tachibana, Nobunori Kubota
  • Pneumatic spinning apparatus
    Patent number: 4107911
    Abstract: A cover is disposed to cover the entire spinning nozzle zone of a pneumatic spinning apparatus. This cover includes an air suction tube disposed in the interior of the cover, and this air suction tube has the functions of sucking and removing fly wastes generated in the cover and making a contribution to discharge of compressed air jetted from spinning nozzles.
    Type: Grant
    Filed: June 14, 1977
    Date of Patent: August 22, 1978
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Makoto Yamana, Nobunori Kubota