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1. 发明公开

EP4342597A1 T-SHAPED CONNECTION PIPE MANUFACTURING METHOD 审中-实审
公开(公告)号：EP4342597A1
公开(公告)日：2024-03-27
申请号：EP23821108.0
申请日：2023-06-16
申请人： Noh, Sung Keun
发明人： Noh, Sung Keun
IPC分类号： B21D26/037 , B21D51/04 , B21D39/04
摘要： The present invention is capable of manufacturing an integrated tee type pipe by forming a molding pipe part, with pulling a periphery of a molding hole and protruding it to the outward direction through a pressing device and a molding device, while forming a molding hole of a predetermined shape on an upper side of a straight pipe; and manufacturing a tee type pipe that ensures robustness, productivity, and workability, accordingly.

2. 发明公开

EP4052813A1 FLANGE SHAPING APPARATUS FOR CIRCULAR DUCT 审中-实审
公开(公告)号：EP4052813A1
公开(公告)日：2022-09-07
申请号：EP21767822.6
申请日：2021-01-06
申请人： Noh, Sung Keun , Kim, Ok Tae
发明人： Noh, Sung Keun , Kim, Ok Tae
IPC分类号： B21D19/08 , B21D37/10
摘要： The present disclosure relates to an apparatus for forming flange of circular duct, and the apparatus for forming flange of circular duct according to the present disclosure includes a forming jig that is disposed to surround an outer circumference of a lower end portion of a duct, and that has a forming groove on a surface facing the duct; a support that supports a lower end of the duct below the forming jig; a height adjustor that adjusts height of the support; and a forming unit that hits an inner circumference of the lower end portion of the duct to form a flange having a shape corresponding to the forming groove of the forming jig on the lower end portion of the duct, wherein the forming groove includes a first forming surface formed on the surface facing the duct, and a second forming surface additionally extended from a distal end portion of the first forming surface, and the height adjustor is configured to adjust a relative position of the support with respect to the forming jig such that the flange is formed only on the first forming surface or formed on the first forming surface and the second forming surface.

3. 发明公开

EP3998124A2 DUCT CUTTING-AND-FORMING DEVICE FOR ELBOW DUCT MANUFACTURING DEVICE 有权
公开(公告)号：EP3998124A2
公开(公告)日：2022-05-18
申请号：EP20837510.5
申请日：2020-06-02
申请人： Kim, Ok Tae , Kim, Ki-Tae , Noh, Sung Keun
发明人： Kim, Ok Tae , Kim, Ki-Tae , Noh, Sung Keun
IPC分类号： B21D43/28 , B23D45/12
摘要： The present disclosure relates to a duct cutting and forming apparatus for elbow duct manufacturing machine, the apparatus including a rotation housing that is provided with a seating groove in a first direction; an eccentric housing that is provided with a cutting roller and a forming roller at both ends, and that is slidably seated inside the seating groove; a rotation drive for applying rotation driving force to the rotation housing; and an eccentric drive for applying driving force for reciprocating the eccentric housing, wherein the eccentric drive reciprocates the eccentric housing as it rotates in both directions within a range not exceeding 180 degrees.

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