Patents Assigned to Sungwoo Hitech Co., Ltd.
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Patent number: 9605706Abstract: A rivet nut unit is disclosed. An exemplary embodiment of the present invention provides a rivet nut unit bonding at least one plate by being riveted to the plate and fastened with a bolt that may include: a head portion supported on an upper surface of the plate at a position corresponding to a processed hole in the plate, and formed with a penetration hole in the middle thereof corresponding to the hole; and an insertion portion extended from one side of the head portion, inserted into the hole, and formed with at least one slot and a protruding end bent to a lower surface of the plate for coupling the head portion to the plate while riveting the plate.Type: GrantFiled: December 22, 2014Date of Patent: March 28, 2017Assignee: SUNGWOO HITECH CO., LTD.Inventors: Seokhwan Hwang, Mun Yong Lee
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Publication number: 20170066037Abstract: A manufacturing method for a bumper beam of a vehicle may include pipe making, producing a circular pipe by pipe molding a steel plate having a predetermined thickness between first and second molding rolls, heating the circular pipe to a set temperature in a heating furnace, pressurizing and molding the circular pipe heated in the heating furnace and having flexibility, while inserting the circular pipe between an upper mold and a lower mold to form a molding beam, and thereafter, rapidly cooling the molding beam to form the molding beam into a high-strength molding beam, and curvature-molding the high-strength molding beam at a predetermined curvature through a curvature molding machine.Type: ApplicationFiled: August 26, 2016Publication date: March 9, 2017Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, SUNGWOO HITECH CO., LTD.Inventors: HYUN GYUNG KIM, JEONG MIN PARK, MUN YONG LEE
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Patent number: 9581186Abstract: A rivet stud bolt is disclosed. A rivet stud bolt for mounting an element to at least one panel includes a bolt portion to which the panel is assembled, a flange integrally formed to an end of the bolt portion, and a rivet portion integrally connected to the flange, in which at least two slits are formed, and the rivet portion is plastically deformed and connected to the panel.Type: GrantFiled: April 22, 2014Date of Patent: February 28, 2017Assignee: SUNGWOO HITECH CO., LTD.Inventors: Byung Joon Park, Mun Yong Lee
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Patent number: 9579747Abstract: A shear bonding device and a shear bonding method of metal plates are disclosed.Type: GrantFiled: September 2, 2014Date of Patent: February 28, 2017Assignees: SUNGWOO HITECH CO., LTD., PUKYONG NATIONAL UNIVERSITY BUSINESS INCUBATOR CENTERInventor: In Tai Jin
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Patent number: 9573318Abstract: A flexible roll forming device is provided. The roll forming device includes bases respectively disposed on opposite sides with respect to a process direction center line in a left/right direction of which rails are configured thereon along a lateral direction of the process direction center line, and upper and lower forming rolls configured to vary both positions in the lateral direction of processing, and angles from the process direction.Type: GrantFiled: December 24, 2013Date of Patent: February 21, 2017Assignee: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong Lee, Kuk-Rae Cho
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Patent number: 9545688Abstract: A device of vibro-spot welding includes: a vibration cylinder housing having first and second chambers; an annular rod integrally connected with a first piston disposed in the first chamber and having one end penetrating a side of the vibration cylinder housing; a circular rod penetrating the annular rod integrally connected to a second piston disposed in the second chamber and having one end penetrating the side of the vibration cylinder housing; a leading-in housing wrapping an exterior surface of the vibration cylinder housing and receiving current; an electrode supporter threaded with one end of the leading-in housing; a heating electrode threaded with one end of the electrode supporter; a first vibration electrode threaded with the one end of the annular rod and penetrating the electrode supporter and the heating electrode; and a second vibration electrode threaded with the one end of the circular rod and penetrating the first vibration electrode.Type: GrantFiled: April 11, 2014Date of Patent: January 17, 2017Assignees: SUNGWOO HITECH CO., LTD., PUKYONG NATIONAL UNIVERISTY BUSINESS INCUBATOR CENTERInventor: In Tai Jin
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Patent number: 9539872Abstract: A mounting unit of a shock absorber for a vehicle is disclosed. A mounting unit of a shock absorber for a vehicle that fixes an upper portion of a shock absorber connected to wheels to a vehicle body according to an exemplary embodiment of the present invention may include a shock absorber housing mounted to the vehicle body; a mounting module disposed in the shock absorber housing, and at least two mounting hole is formed at the mounting module; a tapping nut engaged through a mounting hole of the mounting module in the shock absorber housing; and a fixing nut engaged to an end portion of the tapping nut protruded to outside of the shock absorber housing and fixing the mounting module to the shock absorber housing; the mounting module and fixing nut are temporarily assembled to the shock absorber housing through a temporarily assembly apparatus and engaged to the tapping nut.Type: GrantFiled: July 30, 2015Date of Patent: January 10, 2017Assignee: SUNGWOO HITECH CO., LTD.Inventors: Deok Hyun Kim, Mun Yong Lee
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Patent number: 9327770Abstract: A center pillar reinforcement unit for a vehicle may include: a plurality of reinforcement beams disposed on an exterior circumference of a center pillar inner panel in a height direction; an upper bracket disposed on an upper end portion of the center pillar inner panel and a roof rail, and fixing an end portion of the plurality of reinforcement beams; a center bracket disposed on a center portion of the center pillar inner panel, and fixing a center of the plurality of reinforcement beams; a lower bracket disposed on a lower portion of the center pillar inner panel, and fixing a lower portion of the plurality of reinforcement beams; and a gusset bracket formed inside of a side sill seal so that the lower portion of the plurality of reinforcement beams is assembled.Type: GrantFiled: December 26, 2014Date of Patent: May 3, 2016Assignee: SUNGWOO HITECH CO., LTD.Inventors: Yongwoo Jung, Do-Hoi Koo, Mun Yong Lee
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Patent number: 9221089Abstract: A clamping device for a bending press includes a clamping die with a space formed therein, a clamping holder rotatably disposed within the space of the clamping die around a rotation shaft formed thereto, an upper cam block and a lower cam block respectively disposed within the clamping holder and slidable along the horizontal direction, and of which a cam slant surface is formed at a front side of the upper cam block and the lower cam block respectively, an upper clamping block and a lower clamping block contacting each cam slant surface of the upper cam block and the lower cam block, and clamping an end of a pipe disposed therebetween by sliding along a slant direction of the clamping holder, and a pressing unit selectively pressing the upper cam block and the lower cam block.Type: GrantFiled: December 24, 2012Date of Patent: December 29, 2015Assignee: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong Lee, Sang Jin Ha
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Patent number: 9221133Abstract: A welding device for a stretch bender is disclosed. The welding device for the stretch bender may include: an operating unit adapted to move forward toward or rearward from a bending die for shaping a shaped beam and mounted in front of the bending die; and a welding unit mounted at the operating unit and welding flange portions of the shaped beam that is completely formed by the bending die so as to prevent the flange portions from being overlapped with each other when extracting the shaped beam, the welding unit being movable forward or rearward against the operating unit.Type: GrantFiled: June 7, 2012Date of Patent: December 29, 2015Assignee: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong Lee, Kuk-Rae Cho
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Patent number: 9212684Abstract: Disclosed is a rivet nut unit. The rivet nut unit may comprise a rivet nut including a flange of which a lower surface is supported by a upper surface of a plate while riveting the plate by a riveter, a body part of which the inside of a lower part is worked to have screw threads and which is integrally formed in a cylindrical shape with a lower portion of the flange, and a hole-making head which is disengageably located on a lower end of the body part to rotate together with the rivet nut and bore an insertion hole in the plate while the riveter rotates in order to insert the body part into the plate.Type: GrantFiled: December 26, 2013Date of Patent: December 15, 2015Assignee: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong Lee, Deok Hyun Kim
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Patent number: 9138827Abstract: A method of laser welding is disclosed. The method may be performed after an upper steel plate and a lower steel plate are overlapped. The method may include: forming a molten pool at the upper steel plate and the lower steel plate and welding the upper steel plate and the lower steel plate by irradiating a laser beam of focal region to a welding portion of the upper steel plate and the lower steel plate along a main welding pattern; and melting a peripheral portion of a keyhole formed at an end of the main welding pattern and welding the upper steel plate and the lower steel plate by irradiating the laser beam of the focal region along a fine welding pattern added to an end portion of the main welding pattern.Type: GrantFiled: December 13, 2012Date of Patent: September 22, 2015Assignee: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong Lee, Byung-Sun Song
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Patent number: 9132462Abstract: A bending press system is disclosed. The bending press system may include: a base; a slider disposed above the base and moving downwardly toward the base or moving upwardly from the base; a curvature die mounted at the base and the slider, and integrated by descent of the slider such that a pipe member inserted in the curvature die is formed to have a predetermined curvature; and a pair of clamping units disposed to be rotatable by a predetermined angle corresponding to the curvature die at both sides of the base, and clamping both end portions of the pipe member.Type: GrantFiled: December 20, 2012Date of Patent: September 15, 2015Assignee: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong Lee, Tae Wook Yoon
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Publication number: 20150226253Abstract: A rivet stud bolt is disclosed. A rivet stud bolt for mounting an element to at least one panel includes a bolt portion to which the panel is assembled, a flange integrally formed to an end of the bolt portion, and a rivet portion integrally connected to the flange, in which at least two slits are formed, and the rivet portion is plastically deformed and connected to the panel.Type: ApplicationFiled: April 22, 2014Publication date: August 13, 2015Applicant: SUNGWOO HITECH CO., LTD.Inventors: Byung Joon PARK, Mun Yong LEE
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Publication number: 20150202711Abstract: A device of vibro-spot welding may include: a vibration cylinder housing formed of first and second piston chambers divided by a dividing wall; a first piston rod being an annular rod, integrally connected with a first piston disposed in the first piston chamber, and having one end penetrating a side of the vibration cylinder housing; a second piston rod being a circular rod penetrating the annular rod, integrally connected to a second piston disposed in the second piston chamber, and having one end penetrating the side of the vibration cylinder housing; a leading-in housing wrapping an exterior surface of the vibration cylinder housing and receiving current from a power source; an electrode supporter threaded with one end of the leading-in housing; a heating electrode threaded with one end of the electrode supporter; a first vibration electrode threaded with the one end of the first piston rod and penetrating the electrode supporter and the heating electrode; and a second vibration electrode threaded with thType: ApplicationFiled: April 11, 2014Publication date: July 23, 2015Applicants: SUNGWOO HITECH CO., LTD., PUKYONG NATIONAL UNIVERSITY BUSINESS INCUBATOR CENTERInventor: In Tai JIN
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Publication number: 20150183046Abstract: A stud welding device may include: a gun frame; a transformer disposed at a side of a rear portion of the gun frame and supplying welding current; a pressing cylinder mounted at a front portion of the gun frame and including an operating rod; a cooling holder mounted at a front end of the operating rod of the pressing cylinder; a stud welding tip mounted at a front end of the cooling holder and formed of an inserting hole in which negative pressure is applied; and an electric cable connected to one side of the operating rod of the pressing cylinder and applying the current of the transformer to the stud welding tip, wherein the stud welding device is adapted to execute resistance welding by applying pressure and the current to the base metal in a state of mounting a stud bolt at the stud welding tip using the negative pressure in the inserting hole.Type: ApplicationFiled: April 11, 2014Publication date: July 2, 2015Applicant: SUNGWOO HITECH CO., LTD.Inventor: Gwang Hyun KIM
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Patent number: 9061340Abstract: A mold for hot stamping is disclosed. The mold for hot stamping according to an exemplary embodiment of the present invention may include an upper mold and a lower mold so as to stamp a heated blank having a welding portion. A recess may be formed at an upper forming surface in the upper mold corresponding to the welding portion of the blank and may define a cooling space between the recess and the blank such that a cooling fluid directly cools the welding portion of the blank after the blank is stamped.Type: GrantFiled: September 28, 2012Date of Patent: June 23, 2015Assignee: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong Lee, Young-Ju Lee
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Publication number: 20150151698Abstract: A method of manufacturing a bumper beam unit of a vehicle, wherein the bumper beam unit includes a bumper beam formed through a roll forming process and a stay mounted at an end portion of the bumper beam is disclosed. The method may include: a cutout section forming step in which a cutout section is formed by cutting out an end portion of a rear portion of the bumper beam partially; a cutout section bonding step in which a bonding section is formed by bonding both cutout surfaces in a state of contacting the both cutout surfaces; and a stay bonding step in which a stay is bonded to end portions of a rear surface of the bumper beam corresponding to the bonding section.Type: ApplicationFiled: December 24, 2013Publication date: June 4, 2015Applicant: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong LEE, Deok Hyun Kim
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Patent number: 9044828Abstract: A clamping device and a laser welding apparatus using the same are disclosed. The clamping device may include: an upper clamping link mounted rotatably upwardly or downwardly by a hinge shaft; a lower clamping link mounted rotatably in an opposite direction of the upper clamping link by the hinge shaft and corresponding to the upper clamping link; at least two upper rollers rotatably mounted at the upper clamping link; at least two lower rollers rotatably mounted at the lower clamping link, corresponding to the upper roller, and fixing a welding object together with the upper rollers; and an operating cylinder configured to rotate the upper clamping link and the lower clamping link in opposite directions to each other.Type: GrantFiled: December 13, 2012Date of Patent: June 2, 2015Assignee: SUNGWOO HITECH CO., LTD.Inventors: Mun Yong Lee, Byung-Sun Song
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Patent number: 8991230Abstract: A roll forming method including a roll forming step performed by a plurality of roll formers and a bending step performed by a round bender provided with a plurality of bending roll units is disclosed. After a concave surface is formed at a surface of a shaped beam sequentially bent so as to have a closed section at the roll forming step, the concave surface is disposed so as to face toward an inward of a curvature of the shaped beam in the round bender and the shaped beam is formed to have the curvature through multiple steps at the bending step.Type: GrantFiled: December 14, 2011Date of Patent: March 31, 2015Assignee: Sungwoo Hitech Co., Ltd.Inventors: Kwang-Wook Jeong, Bong Kun Son