Patents by Inventor Teppei Sakaguchi
Teppei Sakaguchi 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: 7137526Abstract: A cylindrical reinforcing collar is fitted onto a cylindrical gas discharge section of a tank body and then engaged integrally on the exterior of the tank body between the cylindrical gas discharge section and the dome section by shrink fitting. This provides, easily and inexpensively, a high-pressure tank capable of withstanding high pressures of 35 to 75 MPa while keeping its lightness in weight.Type: GrantFiled: June 23, 2003Date of Patent: November 21, 2006Assignees: Samtech Corporation, Samtech International, Inc., Hypercom Engineering, Inc.Inventors: Teppei Sakaguchi, Yoshiki Sakaguchi, Shaun C. Hogan
-
Patent number: 6908006Abstract: An annular fitting recess is formed circumferentially in the exterior of a tank body in the vicinity of the boundary between a dome section and a cylindrical gas discharge section of the tank body. A cylindrical reinforcing collar is fitted onto the cylindrical gas discharge section of the tank body to fit an annular boss of the reinforcing collar in the fitting recess of the tank body and then engaged integrally on the exterior of the tank body between the cylindrical gas discharge section and the dome section by shrinkage. This provides easily and inexpensively a high-pressure tank capable of withstanding high pressures of 35 to 75 MPa while keeping its lightness in weight.Type: GrantFiled: December 2, 2002Date of Patent: June 21, 2005Assignees: Samtech Corporation, Samtech Internaional, Inc., Hypercomp Engineering, Inc.Inventors: Teppei Sakaguchi, Yoshiki Sakaguchi, Shaun C. Hogan
-
Patent number: 6886711Abstract: In a high-pressure tank 1 in which a gas discharge section 5 is extended from one end of a cylindrical section 2 through a dome section 4 by plastically deforming a short hollow cylindrical blank of metal, the gas discharge section 5 is set at a thickness at least three times that of the cylindrical section 2, and the dome section 4 is gradually increased in thickness from that of the cylindrical section 2 to that of the gas discharge section 5 in proceeding from the cylindrical section 2 to the gas discharge section 5. Thereby, a high-pressure tank capable of withstanding higher pressures than used at the present time is provided easily and at low cost.Type: GrantFiled: August 22, 2002Date of Patent: May 3, 2005Assignee: Samtech CorporationInventors: Teppei Sakaguchi, Yoshiki Sakaguchi
-
Publication number: 20040104236Abstract: An annular fitting recess is formed circumferentially in the exterior of a tank body in the vicinity of the boundary between a dome section and a cylindrical gas discharge section of the tank body. A cylindrical reinforcing collar is fitted onto the cylindrical gas discharge section of the tank body to fit an annular boss of the reinforcing collar in the fitting recess of the tank body and then engaged integrally on the exterior of the tank body between the cylindrical gas discharge section and the dome section by shrinkage. This provides easily and inexpensively a high-pressure tank capable of withstanding high pressures of 35 to 75 MPa while keeping its lightness in weight.Type: ApplicationFiled: December 2, 2002Publication date: June 3, 2004Inventors: Teppei Sakaguchi, Yoshiki Sakaguchi, Shaun C. Hogan
-
Publication number: 20040104235Abstract: A cylindrical reinforcing collar is fitted onto a cylindrical gas discharge section of a tank body and then engaged integrally on the exterior of the tank body between the cylindrical gas discharge section and the dome section by shrink fitting. This provides, easily and inexpensively, a high-pressure tank capable of withstanding high pressures of 35 to 75 MPa while keeping its lightness in weight.Type: ApplicationFiled: June 23, 2003Publication date: June 3, 2004Applicants: Samtech Corporation, Samtech International, Inc., Hypercomp Engineering, Inc.Inventors: Teppei Sakaguchi, Yoshiki Sakaguchi, Shaun C. Hogan
-
Patent number: 6729170Abstract: A fuser roller is obtained by heating a blank over predetermined regions starting from both the opening ends, and then necking the heated regions of the blank by moving a forming roller with rotation on the heated regions through the external pressing of the forming roller against the heated regions of the blank being rotated on its axis to draw form sidewalls integrally at both ends of a cylindrical body of the blank, respectively, and draw form cylindrical shafts integrally with the sidewalls, respectively. In this manner, the fuser roller can be fabricated using a single processing machine with respect to a single pipe member, which reduces equipment cost, further enhances production efficiency and implements low-cost production of fuser rollers.Type: GrantFiled: December 3, 2002Date of Patent: May 4, 2004Assignees: Samtech Corporation, Samtech International, Inc.Inventors: Teppei Sakaguchi, Yoshiki Sakaguchi
-
Publication number: 20040035870Abstract: In a high-pressure tank 1 in which a gas discharge section 5 is extended from one end of a cylindrical section 2 through a dome section 4 by plastically deforming a short hollow cylindrical blank of metal, the gas discharge section 5 is set at a thickness at least three times that of the cylindrical section 2, and the dome section 4 is gradually increased in thickness from that of the cylindrical section 2 to that of the gas discharge section 5 in proceeding from the cylindrical section 2 to the gas discharge section 5. Thereby, a high-pressure tank capable of withstanding higher pressures than used at the present time is provided easily and at low cost.Type: ApplicationFiled: August 22, 2002Publication date: February 26, 2004Applicants: Samtech Corporation, Samtech International, Inc.Inventors: Teppei Sakaguchi, Yoshiki Sakaguchi
-
Patent number: 6675831Abstract: To downsize a high-pressure tank apparatus comprising: a high-pressure tank in which high-pressure gas is charged; and a valve mechanism including a regulator valve for reducing the gas pressure in the tank, to prevent damage to the valve mechanism, and to facilitate the handling of the valve mechanism and the like, the valve mechanism is provided at a gas outlet of the high-pressure tank to locate inside of the tank. The valve mechanism includes a capsule fixedly attached to the gas outlet in a gas-tight manner to face the inside of the high-pressure tank. Within the capsule, a shut-off valve for providing and interrupting communication between the inside and outside of the tank by its opening and closing, respectively, and a regulator valve for reducing the pressure of the high-pressure gas in the tank are disposed.Type: GrantFiled: September 19, 2002Date of Patent: January 13, 2004Assignees: SamTech Corporation, SamTech International, Inc., Hypercomp Engineering Inc., Kabushiki Kaisha Kawasaki Precision MachineryInventors: Teppei Sakaguchi, Yoshiki Sakaguchi, Shaun C. Hogan, Kaoru Nomichi, Seiji Ishii, Takehiko Saeki
-
Publication number: 20030066836Abstract: To downsize a high-pressure tank apparatus comprising: a high-pressure tank in which high-pressure gas is charged; and a valve mechanism including a regulator valve for reducing the gas pressure in the tank, to prevent damage to the valve mechanism, and to facilitate the handling of the valve mechanism and the like, the valve mechanism is provided at a gas outlet of the high-pressure tank to locate inside of the tank. The valve mechanism includes a capsule fixedly attached to the gas outlet in a gas-tight manner to face the inside of the high-pressure tank. Within the capsule, a shut-off valve for providing and interrupting communication between the inside and outside of the tank by its opening and closing, respectively, and a regulator valve for reducing the pressure of the high-pressure gas in the tank are disposed.Type: ApplicationFiled: September 19, 2002Publication date: April 10, 2003Applicant: Samtech CorporationInventors: Teppei Sakaguchi, Yoshiki Sakaguchi, Shaun C. Hogan, Kaoru Nomichi, Seiji Ishii, Takehiko Saeki
-
Patent number: 6279366Abstract: Using a form roller in which a plurality of gear-like tooth generating sections are arranged along the rotation axis of the form roller in the outer periphery thereof to increase tooth heights of the tooth generating sections in a stepwise manner along the rotation axis, a plurality of teeth are generated stepwise in the outer periphery of a metallic material by pressing the plurality of gear-like tooth generating sections of the form roller in increasing order of tooth height against the outer periphery of the rotating metallic material while transmitting the rotation force of the metallic material to the form roller to roll the form roller along the outer periphery of the metallic material, and are finished to size by cold pressing. In this manner, external teeth can be generated in the outer periphery of the metallic material with high efficiency and accuracy and without decreasing strength.Type: GrantFiled: July 13, 2000Date of Patent: August 28, 2001Assignee: Samtech CorporationInventor: Teppei Sakaguchi