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1.发明申请公开(公告)号：US20220260103A1
公开(公告)日：2022-08-18
申请号：US17662396
申请日：2022-05-06
发明人： Hiroshi Ookubo , Hayato Sakurai
摘要： A metal collar attached in a through-hole of FRP member includes first and second collar members. The first collar member includes outer and inner circumferential surfaces. The outer circumferential surface is in contact with a hole inner circumferential surface of the through-hole. A slit is formed in a part in a circumferential direction of the first collar member. The second collar member applies a pressing force radially outward to at least a part of the inner circumferential surface of the first collar member or a pressing force to inner surfaces of the slit in a direction in which the inner surfaces separate from each other in the circumferential direction. The second collar member is held in the first collar member by reaction of the pressing force, deforms the first collar member for diameter expansion with the pressing force, and presses the outer circumferential surface against the hole inner circumferential surface.
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公开(公告)号：US12097906B2
公开(公告)日：2024-09-24
申请号：US17598164
申请日：2019-03-26
发明人： Hiroshi Ookubo
CPC分类号： B62D29/005 , B62D25/04
摘要： A long composite member (center pillar) includes a main member (pillar outer panel) that has a curvature in its longitudinal direction and whose shape of a cross-section perpendicular to the longitudinal direction protrudes on an outer side of the curvature, and a reinforcing member that is made of fiber reinforced plastic (CFRP) and is disposed on an inner side of the curvature with respect to the main member and within the cross-section of the main member. One end of the reinforcing member is adhered on a side of one end of the main member, and the other end of the reinforcing member is adhered on a side of the other end of the main member. An intermediary portion between the one end and the other end of the reinforcing member is extended straight within the cross-section of the main member.
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公开(公告)号：US20240034044A1
公开(公告)日：2024-02-01
申请号：US18483908
申请日：2023-10-10
发明人： Hiroshi Ookubo , Kentaro Kono
CPC分类号： B32B37/12 , B32B15/08 , B32B15/20 , B32B2307/30
摘要： A method of manufacturing a closed cross-section structural member includes a first panel and a second panel joined to each other to form a closed cross-section, and a fiber reinforced plastic (“FRP”) material bonded to the first panel. The method includes: attaching the FRP material to the first panel with an adhesive; curing the FRP material and the adhesive by heating the FRP material and the adhesive together with the first panel; and joining the second panel to the first panel in which the FRP material and the adhesive are cured.
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公开(公告)号：US20220250337A1
公开(公告)日：2022-08-11
申请号：US17598111
申请日：2019-03-26
发明人： Hiroshi Ookubo , Kentaro Kono
摘要： A method of manufacturing a closed cross-section structural member is disclosed. The closed cross-section structural member includes: a first panel and a second panel joined to each other to form a closed cross-section; and a fiber reinforced plastic (FRP) material bonded to the first panel. The method includes: attaching the FRP material to the first panel with an adhesive; curing the FRP material and the adhesive by heating the FRP material and the adhesive together with the first panel; and joining the second panel to the first panel in which the FRP material and the adhesive are cured.
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公开(公告)号：US20220169319A1
公开(公告)日：2022-06-02
申请号：US17598164
申请日：2019-03-26
发明人： Hiroshi Ookubo
摘要： A long composite member (center pillar) includes a main member (pillar outer panel) that has a curvature in its longitudinal direction and whose shape of a cross-section perpendicular to the longitudinal direction protrudes on an outer side of the curvature, and a reinforcing member that is made of fiber reinforced plastic (CFRP) and is disposed on an inner side of the curvature with respect to the main member and within the cross-section of the main member. One end of the reinforcing member is adhered on a side of one end of the main member, and the other end of the reinforcing member is adhered on a side of the other end of the main member. An intermediary portion between the one end and the other end of the reinforcing member is extended straight within the cross-section of the main member.
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6.发明申请公开(公告)号：US20210164508A1
公开(公告)日：2021-06-03
申请号：US16649089
申请日：2017-09-20
发明人： Hiroshi Ookubo , Hayato Sakurai
摘要： A metal collar attached in a through-hole of an FRP member includes first and second collar members. The first collar member includes outer and inner circumferential surfaces. The outer circumferential surface is in contact with a hole inner circumferential surface of the through-hole. A slit is formed in a part in a circumferential direction of the first collar member. The second collar member applies a pressing force radially outward to at least a part of the inner circumferential surface of the first collar member or a pressing force to inner surfaces of the slit in a direction in which the inner surfaces separate from each other in a circumferential direction. The second collar member is held in the first collar member by reaction of the pressing force, deforms the first collar member for diameter expansion with the pressing force, and presses the outer circumferential surface against the hole inner circumferential surface.
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公开(公告)号：US10065687B2
公开(公告)日：2018-09-04
申请号：US15546022
申请日：2015-02-16
发明人： Yukihiro Hamada , Hiroshi Ookubo
IPC分类号： B62D29/00 , B62D25/20 , B32B15/08 , B32B15/14 , B32B3/28 , B32B7/12 , B32B5/02 , B32B5/14 , B32B15/01 , B32B27/08 , B32B3/26
摘要： A composite material structure is provided a metal member and a resin member. The metal member is formed in a planar shape that has a main surface. The resin member is bonded to the main surface of the metal member. The metal member has a thermal expansion coefficient in a first direction along the main surface is larger than a thermal expansion coefficient in a second direction along the main surface. The second direction is orthogonal to the first direction. The resin member is formed of a fiber-reinforced resin having a fiber quantity in the second direction that is larger than a fiber quantity in the first direction.
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8.发明授权公开(公告)号：US12123442B2
公开(公告)日：2024-10-22
申请号：US17662396
申请日：2022-05-06
发明人： Hiroshi Ookubo , Hayato Sakurai
CPC分类号： F16B13/0858 , F16B13/0825 , F16B13/143
摘要： A metal collar attached in a through-hole of FRP member includes first and second collar members. The first collar member includes outer and inner circumferential surfaces. The outer circumferential surface is in contact with a hole inner circumferential surface of the through-hole. A slit is formed in a part in a circumferential direction of the first collar member. The second collar member applies a pressing force radially outward to at least a part of the inner circumferential surface of the first collar member or a pressing force to inner surfaces of the slit in a direction in which the inner surfaces separate from each other in the circumferential direction. The second collar member is held in the first collar member by reaction of the pressing force, deforms the first collar member for diameter expansion with the pressing force, and presses the outer circumferential surface against the hole inner circumferential surface.
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公开(公告)号：US11826967B2
公开(公告)日：2023-11-28
申请号：US17598111
申请日：2019-03-26
发明人： Hiroshi Ookubo , Kentaro Kono
CPC分类号： B29C70/30 , B29C65/48 , B29C70/54 , B29C70/88 , B29L2031/30 , B32B37/12 , B32B2037/1253 , B32B2305/076
摘要： A method of manufacturing a closed cross-section structural member is disclosed. The closed cross-section structural member includes: a first panel and a second panel joined to each other to form a closed cross-section; and a fiber reinforced plastic (FRP) material bonded to the first panel. The method includes: attaching the FRP material to the first panel with an adhesive; curing the FRP material and the adhesive by heating the FRP material and the adhesive together with the first panel; and joining the second panel to the first panel in which the FRP material and the adhesive are cured.
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公开(公告)号：US10132342B2
公开(公告)日：2018-11-20
申请号：US15539766
申请日：2015-01-22
发明人： Masatoshi Mori , Hiroshi Ookubo
摘要： A fastening structure is fastened to an object. The fastening structure includes a carbon fiber-reinforced resin, a metal collar and a fastener. The outer circumference of a metal collar has a tapered portion, which is inclined with respect to the central axis of the collar. The inner circumferential surface of a through hole in a carbon fiber-reinforced resin (“CFRP”) material has an abutting portion that contacts the tapered portion of the collar via an electrically insulating adhesive. The tilt angle of the tapered portion of the collar and of the abutting portion of the CFRP material are the same as the angle at which the displacement of the CFRP material in a direction perpendicular to the surface of the abutting portion due to thermal deformation resulting from temperature changes is balanced with the displacement of the collar in a direction perpendicular to the surface of the tapered portion.
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