Patents by Inventor Tatsurou Baba

Tatsurou Baba 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: 11148352
    Abstract: A pipe-forming apparatus with which a spiral pipe can be formed using a simple configuration without an inner periphery restriction body. A driving part (10) of a pipe-forming apparatus (3) presses a following strip portion (92) toward a pipe end portion (91e) of a preceding spiral pipe portion (91) obliquely with respect to a machine-height direction HD. A pipe end guide is constrained in a machine-width direction WD with respect to the pipe end portion, and slidably engaged in a propelling longitudinal direction LD. A pressing force for the following strip portion provides a fitting force between the following strip portion and the pipe end portion, and a propelling force for forward propulsion. A pipe is formed in a state where a part other than a partial part at which the pipe-forming apparatus is provided in a circumferential direction of the pipe end portion is released from the pipe-forming apparatus.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: October 19, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroshi Sugahara, Tatsurou Baba, Naoya Tsuda, Masahiro Yamasaki
  • Patent number: 11015757
    Abstract: The present invention provides a pipe-making apparatus and a pipe-making method capable of making a spiral pipe variably adjusting a diameter or a perimeter of the pipe without an inner periphery limiter. An edge 94 of a following strip portion 92 of a strip member 90 is fitted with a corresponding edge 93 of a preceding pipe portion 91 preceding by one turn by a pipe-making part 3a of a pipe-making apparatus 3, the following strip portion 92 following the preceding pipe portion 91 precedingly made into the spiral pipe, the following strip portion not yet made into the pipe. The pipe-making apparatus 3a is propelled along a spiral winding direction accompanying the fitting. A position 9q of the fitting is variably adjusted by a fitting height adjuster such as an operating lever 30 in a machine height direction HD or a pipe inside-outside direction VD.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: May 25, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroshi Sugahara, Tatsurou Baba, Masahiro Yamasaki, Yoshirou Sugiyama
  • Publication number: 20210129417
    Abstract: It is possible to prevent a tip portion of a guide portion in a spiral pipe-forming apparatus allowing an inner periphery restriction body to be omitted from colliding a peripheral surface portion of a non-circular existing pipe. A non-circular guide portion (73) is provided so as to be rotatable with respect to an apparatus frame (3a) around a rotary axis (32). The guide portion (73) is applied to a peripheral surface of a preceding spiral pipe portion (91). An acting portion (41) acts such that the guide portion (73) follows the peripheral surface of the existing pipe (1).
    Type: Application
    Filed: January 13, 2021
    Publication date: May 6, 2021
    Inventors: Hiroshi SUGAHARA, Tatsurou BABA, Naoya TSUDA, Masahiro YAMASAKI
  • Publication number: 20210129418
    Abstract: Both diameter expansion and contraction control and fitting stabilization are achieved at the same time in a pipe end release-type pipe-forming apparatus having a non-inner periphery restriction structure. A driving part (10) provided in an apparatus frame (30) of a pipe-forming apparatus (3N) presses an unformed following strip portion (92) of the strip member (90). A reverse side guide portion (83) is engaged with a pipe end portion (91e) of a preceding spiral pipe portion (91) from a reverse side. A face side guide portion (82) is engaged with the pipe end portion (91e) from a face side. The face side guide portion (82) is shifted to the propulsion rear side beyond the reverse side guide portion (83). The following strip portion (92) is extruded from the driving part (10) toward an inter-guide clearance (84) between the reverse side guide portion (83) and the face side guide portion (82).
    Type: Application
    Filed: January 13, 2021
    Publication date: May 6, 2021
    Inventors: Hiroshi SUGAHARA, Tatsurou BABA, Naoya TSUDA, Masahiro YAMASAKI
  • Patent number: 10920918
    Abstract: A spiral pipe (9) is formed by joining edges of adjacent turns of a strip member (90) while helically winding the strip member using a pipe-making apparatus. A propulsive reaction force for moving in a winding direction of the strip member is imparted to a following strip portion (92) or a preceding spiral pipe portion (91) of the strip member by a propulsive reaction force imparting portion of the pipe-making apparatus. The following strip portion follows a preceding spiral pipe portion that has already been made into a pipe. A resisting force in a direction opposite to the propulsive reaction force is imparted to the strip member along the winding direction by a friction between a resisting force imparting portion and the strip member generated while the strip member is moved forward. In this arrangement, a diameter limiting frame can be omitted, and thereby, the pipe-making apparatus can be downsized.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: February 16, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroshi Sugahara, Tatsurou Baba, Yoshirou Sugiyama, Masahiro Yamasaki, Junichi Nagatsuka
  • Patent number: 10744702
    Abstract: A curl-forming apparatus (1) includes: a main body (20) configured to deform a profile strip (100); and a support body (3) configured to support the main body (20) in a holding unit (4) for the profile strip (100). The profile strip (100) is helically wound on an inside of the holding unit (4). The main body (20) is disposed in a hollow part of the holding unit (4) and is configured to draw and deform the profile strip (100) inside the holding unit (4). The support body (3) is rotatable relative to the holding unit (4), and is configured to rotate about an axis of the holding unit (4) in synchronization with the main body (20) that draws the profile strip (100).
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: August 18, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Keita Kuse, Jun Tsuda, Akihiko Takaya, Tatsurou Baba
  • Publication number: 20190368646
    Abstract: A strip member that can be made into a spiral pipe with an enlarged perimeter by being spirally wound. A first fitting portion (93) is disposed in one end portion of a cross-section orthogonal to an extending direction of a strip member (90) and a second fitting portion (94) is disposed in the other end portion of the cross-section. A spiral pipe (9) is made by spirally winding the strip member (90) and fitting the second fitting portion (94) with the first fitting portion (93) preceding by one turn. The strip member (90) has a cross-sectional configuration in which a reference width direction W9 connecting the first fitting portion (93) and the second fitting portion (94) on the cross-section is inclinable to an outer surface side toward the first fitting portion side when the strip member is wound.
    Type: Application
    Filed: February 27, 2018
    Publication date: December 5, 2019
    Inventors: Yuuta MIYATAKE, Hiroshi SUGAHARA, Tatsurou BABA, Yoshirou SUGIYAMA
  • Publication number: 20190193324
    Abstract: A pipe-forming apparatus with which a spiral pipe can be formed using a simple configuration without an inner periphery restriction body. A driving part (10) of a pipe-forming apparatus (3) presses a following strip portion (92) toward a pipe end portion (91e) of a preceding spiral pipe portion (91) obliquely with respect to a machine-height direction HD. A pipe end guide is constrained in a machine-width direction WD with respect to the pipe end portion, and slidably engaged in a propelling longitudinal direction LD. A pressing force for the following strip portion provides a fitting force between the following strip portion and the pipe end portion, and a propelling force for forward propulsion. A pipe is formed in a state where a part other than a partial part at which the pipe-forming apparatus is provided in a circumferential direction of the pipe end portion is released from the pipe-forming apparatus.
    Type: Application
    Filed: August 30, 2017
    Publication date: June 27, 2019
    Inventors: Hiroshi SUGAHARA, Tatsurou BABA, Naoya TSUDA, Masahiro YAMASAKI
  • Publication number: 20190107240
    Abstract: The present invention provides a pipe-making apparatus and a pipe-making method capable of making a spiral pipe variably adjusting a diameter or a perimeter of the pipe without an inner periphery limiter. An edge 94 of a following strip portion 92 of a strip member 90 is fitted with a corresponding edge 93 of a preceding pipe portion 91 preceding by one turn by a pipe-making part 3a of a pipe-making apparatus 3, the following strip portion 92 following the preceding pipe portion 91 precedingly made into the spiral pipe, the following strip portion not yet made into the pipe. The pipe-making apparatus 3a is propelled along a spiral winding direction accompanying the fitting. A position 9q of the fitting is variably adjusted by a fitting height adjuster such as an operating lever 30 in a machine height direction HD or a pipe inside-outside direction VD.
    Type: Application
    Filed: March 30, 2017
    Publication date: April 11, 2019
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroshi SUGAHARA, Tatsurou BABA, Masahiro YAMASAKI, Yoshirou SUGIYAMA
  • Patent number: 10119644
    Abstract: A winding machine (1) includes a main body (20), a first arm (40), and a second arm (50). The main body (20) moves toward a winding direction front side as a profile strip (100) is added, while rotating at a winding direction front end portion of a formed pipe member (4). The first and the second arms (40) and (50) are supported by the main body (20) respectively at positions away from each other in a circumference direction of the formed pipe member (4), and extend toward a winding direction rear side between an existing pipe (2) and the formed pipe member (4). The first arm (40) includes a first restricting portion (43) that comes into contact with a winding direction front side of a reinforcement member (120) provided to the profile strip (100) forming the formed pipe member (4) via the profile strip (100).
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: November 6, 2018
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Keita Kuse, Jun Tsuda, Tatsurou Baba
  • Publication number: 20180038541
    Abstract: A spiral pipe 9 is formed by joining edges 93, 94 of adjacent turns of a strip member 90 while helically winding the strip member 90 using a pipe-making apparatus 3. A propulsive reaction force for moving in a winding direction of the strip member 90 is imparted to a following strip portion 92 or a preceding spiral pipe portion 91 of the strip member 90 by a propulsive reaction force imparting portion 10 of the pipe-making apparatus 3. The following strip portion 92 follows a preceding spiral pipe portion 91 that has already been made into a pipe. A resisting force in a direction opposite to the propulsive reaction force is imparted to the strip member 90 along the winding direction by a friction between a resisting force imparting portion 30 and the strip member 90 generated while the strip member 90 is moved forward. In this arrangement, a diameter limiting frame can be omitted, and thereby, the pipe-making apparatus 3 can be downsized.
    Type: Application
    Filed: April 27, 2016
    Publication date: February 8, 2018
    Inventors: Hiroshi SUGAHARA, Tatsurou BABA, Yoshirou SUGIYAMA, Masahiro YAMASAKI, Junichi NAGATSUKA
  • Publication number: 20170197353
    Abstract: A curl-forming apparatus (1) includes: a main body (20) configured to deform a profile strip (100); and a support body (3) configured to support the main body (20) in a holding unit (4) for the profile strip (100). The profile strip (100) is helically wound on an inside of the holding unit (4). The main body (20) is disposed in a hollow part of the holding unit (4) and is configured to draw and deform the profile strip (100) inside the holding unit (4). The support body (3) is rotatabe relative to the holding unit (4), and is configured to rotate about an axis of the holding unit (4) in synchronization with the main body (20) that draws the profile strip (100).
    Type: Application
    Filed: March 31, 2015
    Publication date: July 13, 2017
    Inventors: Keita Kuse, Jun Tsuda, Akihiko Takaya, Tatsurou Baba
  • Publication number: 20170191600
    Abstract: A winding machine (1) includes a main body (20), a first arm (40), and a second arm (50). The main body (20) moves toward a winding direction front side as a profile strip (100) is added, while rotating at a winding direction front end portion of a formed pipe member (4). The first and the second arms (40) and (50) are supported by the main body (20) respectively at positions away from each other in a circumference direction of the formed pipe member (4), and extend toward a winding direction rear side between an existing pipe (2) and the formed pipe member (4). The first arm (40) includes a first restricting portion (43) that comes into contact with a winding direction front side of a reinforcement member (120) provided to the profile strip (100) forming the formed pipe member (4) via the profile strip (100).
    Type: Application
    Filed: June 4, 2015
    Publication date: July 6, 2017
    Inventors: Keita Kuse, Jun Tsuda, Tatsurou Baba