Patents by Inventor Jiro Agawa
Jiro Agawa 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).
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Patent number: 6024817Abstract: A belt-shaped member cut into a predetermined length is fed from a feeding devices to a tire forming drum and is wound on its cylindrical peripheral surface. Center portions of the opposite ends of the belt-shaped member are pushed to be joined to each other and the side portions of at least one of the opposite ends of the belt-shaped member are held by upper and lower holding pawls. Such holding pawls are swung along an arcuate path so that both side portions of the opposite ends of the belt-shaped member are drawn near each other to abut against each other. The abutting end portions are pushed toward the peripheral surface of the drum by pushing devices for joining them together.Type: GrantFiled: March 12, 1998Date of Patent: February 15, 2000Assignee: Yokohama Rubber Company, Ltd.Inventors: Yoshinori Miyamoto, Hidemasa Sato, Jiro Agawa, Keizo Yamashita, Toshinari Matsumoto
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Patent number: 5779850Abstract: A belt-shaped member cut into a predetermined length is fed from a feeding devices to a tire forming drum and is wound on its cylindrical peripheral surface. Center portions of the opposite ends of the belt-shaped member are pushed to be joined to each other and the side portions of at least one of the opposite ends of the belt-shaped member are held by upper and lower holding pawls. Such holding pawls are swung along an arcuate path so that both side portions of the opposite ends of the belt-shaped member are drawn near each other to abut against each other. The abutting end portions are pushed toward the peripheral surface of the drum by pushing devices for joining them together.Type: GrantFiled: September 25, 1996Date of Patent: July 14, 1998Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Yoshinori Miyamoto, Hidemasa Sato, Jiro Agawa, Keizo Yamashita, Toshinari Matsumoto
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Patent number: 5752593Abstract: A method and apparatus are provided for positioning sheets of material on a belt feeder for transporting the material through a cutter toward a tire-processing apparatus. The material has a front-edge portion which is centered by using edge-position control, and side portions which are centered by using center-position control. Also, the material, as cut, will have a rear-edge portion, the centering position of which is controlled by edge-position control.Type: GrantFiled: February 14, 1997Date of Patent: May 19, 1998Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Yoshinori Miyamoto, Jiro Agawa, Minoru Kimura
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Patent number: 5540803Abstract: A tire building system comprises a band drum, a shaping drum, and a belt forming machine having two oscillating or rotating belt drums, in which the band drum and the shaping drum are arranged on the same axis in opposing relationship, a band transfer is disposed therebetween on the axis in such a manner as to reciprocate, the belt forming machine is arranged in parallel to the axis, and a belt transfer is disposed between the belt drum and the shaping drum in such a manner as to move in the axial direction and the direction normal to the axis.Type: GrantFiled: February 24, 1995Date of Patent: July 30, 1996Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Yoshinori Miyamoto, Hidemasa Sato, Jiro Agawa, Kazuo Mogi, Toru Aihara, Keizo Yamashita
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Patent number: 5433815Abstract: Method of transferring and setting bead part assemblies for tires, which comprises providing a bead part assembly stocking part in which a number of bead part assemblies is stacked one on top of the other in tiers through separators, an emptied separator collecting part disposed in the proximity of the bead part assembly stocking part, a tire building machine for thereon receiving bead part assemblies and building tires, bead part assembly holding means for picking up bead part assemblies one at a time and a separator holding means for picking up the separators one at a time; the step of causing the bead part assembly holding means to pick up a bead part assembly from the bead part assembly stocking part and carry the picked-up bead part assembly to the tire building machine and the step of causing the separator holding means to pick up a separator from the bead part assembly stocking part and carry the picked-up separator to the emptied separator collecting part.Type: GrantFiled: July 8, 1993Date of Patent: July 18, 1995Assignee: The Yokohama Rubber Co., Ltd.Inventors: Toru Aihara, Kazuo Mogi, Naoki Sasaki, Yoshinori Miyamoto, Hidemasa Sato, Jiro Agawa
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Patent number: 5399225Abstract: In a tire building apparatus comprising a band drum 1, a shaping drum 2, and a belt forming machine 101 having two belt drums 3 which can be oscillated or cyclically moved, the band drum 1 and the belt forming machine 101 are disposed on the same axis in opposing relationship, the shaping drum 2 is disposed so that it can be reciprocated between the position on the aforesaid axis and the standby position while maintaining the parallel condition with respect to the aforesaid axis, and a band transfer 4 and a belt transfer 5 are disposed so that they can be reciprocated along the aforesaid axis between the band drum 1 and the belt forming machine 101.Type: GrantFiled: January 14, 1994Date of Patent: March 21, 1995Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Yoshinori Miyamoto, Hidemasa Sato, Jiro Agawa, Kazuo Mogi, Toru Aihara, Keizo Yamashita
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Patent number: 5368678Abstract: The present invention aims to provide a tread pickup device which can pick up a tread on a truck reliably without manpower. The device comprises a plurality of short first forks for scooping up a front edge of the tread placed on the truck and holding the tread, long second forks which are arranged adjacent to the first forks and inserted throughout the total width of the tread, and a mechanism for raising and moving the first and second forks together with the tread.Type: GrantFiled: July 8, 1993Date of Patent: November 29, 1994Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, The Yokohama Rubber Co., Ltd.Inventors: Yoshinori Miyamoto, Hidemasa Sato, Jiro Agawa, Keizo Yamashita, Kazuo Mogi, Toru Aihara
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Patent number: 5318655Abstract: An object of the present invention is to provide a tread centering device which automatically detects the position of tread center and holds it in a straight form even when the center of tread is not positioned in a straight form. The device mainly comprises a plurality of detectors for detecting a groove for centering the tread, a holding plate which is inserted into the detected groove, and a mechanism which moves said holding plate transversely to align said groove in a straight form.Type: GrantFiled: June 22, 1993Date of Patent: June 7, 1994Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, The Yokohama Rubber Co., Ltd.Inventors: Yoshinori Miyamoto, Hidemasa Sato, Jiro Agawa, Toru Aihara, Keizo Yamashita, Kazuo Mogi
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Patent number: 5292398Abstract: An apparatus joins opposite ends of a tread on a rotary drum in a tire making machine. Besides the rotary drum, the apparatus includes a conveyor having two lateral endless loops and a guide in the form of rollers interposed between the loops. The conveyor is disposed upstream of the rotary drum. Clamping mechanisms are provided to clamp the respective sides of the tread at a rear end thereof to the endless loops of the conveyor, respectively. A tread placed on the endless loops of the conveyor is maintained in relative position by the guide. The actual length of the tread on the conveyor is measured. The front end of the tread is adhered to the rotary drum and the opposite sides of the tread at the rear end thereof are clamped to the conveyor. The conveyor and drum are then driven at appropriate speeds based on the length of the tread to cause the ends thereof to be joined on the drum. Movable grippers can be provided to stretch the rear end of the tread at the sides thereof into abutment with the front end.Type: GrantFiled: November 2, 1992Date of Patent: March 8, 1994Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Yoshinori Miyamoto, Jiro Agawa, Hidemasa Sato
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Patent number: 5273613Abstract: A band conveying device with a vacuum attraction mechanism comprises a base frame, a traveling carriage movable on the base frame and a plurality of band holding units arranged in a row and provided on the traveling carriage perpendicularly with respect to a traveling direction thereof. A plurality of vacuum pads for attracting and holding a band with a vacuum are arranged in an annular form and attached to the band holding units. The vacuum pads are divided into the two vacuum systems. Each of at least two vacuum systems is provided with a vacuum pressure switch and an electromagnetic valve for shutting off its vacuum system when its degree of vacuum decreases below a given level.Type: GrantFiled: October 1, 1991Date of Patent: December 28, 1993Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Hidemasa Sato, Jiro Agawa
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Patent number: 5133632Abstract: In an automated warehouse for storing cartridge tapes, a plurality of the cartridge tapes are accommodated in horizontal cases as arrayed in rows and columns. A plurality of shelves each adapted to support a plurality of the horizontal cases thereon as aligned horizontally, are in turn supported from a rack in a cantilever fashion at a plurality of respective levels. A robot having an arm is movable along the front of the rack. The arm is rotatable in a plane parallel to the surfaces of the shelves. Preferably, the arm of the robot is extensible and retractable and also is vertically movable, so that a cartridge picker mounted at the tip end of the arm can easily access each of the cartridge tapes accommodated in the automated warehouse.Type: GrantFiled: November 6, 1990Date of Patent: July 28, 1992Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Mikio Aramaki, Seiki Tanaka, Shinichiro Hirano, Hidemasa Satoh, Jiro Agawa
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Patent number: 4976807Abstract: An improved apparatus for sticking a metal cord strip onto a lower component layer of a tire held on a tire forming drum is disclosed. Left and right roller brackets having a plurality of guide rollers respectively mounted on opposed surfaces thereof are disposed on the left and right sides of a conveying passageway of a metal cord strip. Roller brackets moving device is adapted to move the respective roller brackets by the same amount in the directions of making them approach to or separate from a center line in the conveying direction according to the width of the metal cord strip. Left and right outlet guide plates and left and right magnets are mounted to the end portions on the downwstream side in the conveying direction of the respective roller brackets. Left and right magnet moving device are adapted to move the respective magnets beween attracting positions on the backside of the respective outlet guide plates and retreating positions separated from the respective outlet guide plates.Type: GrantFiled: April 12, 1989Date of Patent: December 11, 1990Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Nobuhiko Irie, Jiro Agawa
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Patent number: 4954205Abstract: The present invention is drawn to an improvement in a joining device for joining ends of cord reinforced belt-shaped materials, in which elastic belt-shaped material having a large number of cords embedded therein at equal intervals with a predetermined inclination is cut in the direction of the cords into a length somewhat shorter than an outer circumferential length of a drum to be fed with the belt-shaped material, the cut length being wrapped around the outer circumference of the drum, and the opposite cut end planar surfaces of the material being drawn towards each other and butt-joined by a splicer. The improvement resides in a splicer having a lateral movement device that is movable in a direction parallel to a shaft of the drum, a press device supported by the lateral movement device, and a splice roller pivotably supported at the bottom end of the press device.Type: GrantFiled: January 5, 1989Date of Patent: September 4, 1990Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventor: Jiro Agawa