Patents by Inventor Mun Yong Lee

Mun Yong Lee 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: 9132462
    Abstract: 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: Grant
    Filed: December 20, 2012
    Date of Patent: September 15, 2015
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong Lee, Tae Wook Yoon
  • Publication number: 20150226253
    Abstract: 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: Application
    Filed: April 22, 2014
    Publication date: August 13, 2015
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Byung Joon PARK, Mun Yong LEE
  • Publication number: 20150183466
    Abstract: A center pillar reinforcement unit for a vehicle is provided. A center pillar reinforcement unit for a vehicle according to an exemplary embodiment of the present invention 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 seal so that the lower portion of the plurality of reinforcement beams is assembled.
    Type: Application
    Filed: December 26, 2014
    Publication date: July 2, 2015
    Inventors: Yongwoo JUNG, Do-Hoi KOO, Mun Yong LEE
  • Patent number: 9061340
    Abstract: 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: Grant
    Filed: September 28, 2012
    Date of Patent: June 23, 2015
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong Lee, Young-Ju Lee
  • Publication number: 20150151698
    Abstract: 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: Application
    Filed: December 24, 2013
    Publication date: June 4, 2015
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong LEE, Deok Hyun Kim
  • Patent number: 9044828
    Abstract: 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: Grant
    Filed: December 13, 2012
    Date of Patent: June 2, 2015
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong Lee, Byung-Sun Song
  • Publication number: 20150043995
    Abstract: 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: Application
    Filed: December 26, 2013
    Publication date: February 12, 2015
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong LEE, Deok Hyun Kim
  • Patent number: 8950228
    Abstract: A bending press system is disclosed. The bending press system may include: at least one guide post; a slide plate mounted at a slider so as to be slidable upwardly or downwardly along the guide post; a bending die including a lower die having an upper surface and an upper die having a lower surface corresponding to the upper surface of the lower die and mounted on a lower surface of the slide plate, and adapted to bend an object supplied between the lower die and the upper die to have a predetermined curvature; and a pair of clamping means mounted respectively at both sides of the bending die corresponding to the bending die and adapted to clamp both end portions of the object.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: February 10, 2015
    Assignee: Sungwoo Hitech Co., Ltd.
    Inventors: Mun Yong Lee, Sang Jin Ha
  • Publication number: 20150027641
    Abstract: Disclosed is a flexible roll forming device including 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, forward/backward moving means having a slide plate provided to be movable along the rails on the base, turning means rotatably provided to the slide plate, and roll forming means provided on the turning means to include an upper forming roll and a lower forming roll inclined with respect to the upper forming roll for subjecting a material fed thereto to flexible roll forming by using the upper and lower forming rolls while varying positions in the lateral direction of processing with the forward/backward moving means, and angles from a process direction with the turning means.
    Type: Application
    Filed: December 24, 2013
    Publication date: January 29, 2015
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong LEE, Kuk-Rae Cho
  • Publication number: 20150027189
    Abstract: In accordance with an exemplary embodiment of the present invention, a flexible roll forming method for roll forming a beam of a predetermined shape by bending a material fed to a plurality of roll forming units each having upper and lower forming rolls in succession, and for roll forming the beam by feeding the material to a flexible roll forming unit having upper and lower forming rolls disposed on left/right sides of a process direction and both side upper and lower forming rolls disposed to vary positions in a lateral direction of the process and angles from a process direction, respectively, to cause flexible bending of the material in succession over multiple stages, is provided.
    Type: Application
    Filed: December 24, 2013
    Publication date: January 29, 2015
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong LEE, Jin Ho JUNG
  • Publication number: 20150027192
    Abstract: Disclosed is a flexible roll forming device including: bases respectively disposed on opposite sides with respect to a process direction center line in a left/right direction, each having an opening formed in an upper side thereof connected to an inside thereof, and rails configured thereon on opposite sides of the opening in a lateral direction of the process; forward/backward moving means having a slide plate provided to be movable along the rails on the base; turning means rotatably provided to the slide plate; and roll forming means provided on the turning means to include upper and lower forming rolls for subjecting a material fed thereto to flexible roll forming by using the upper and lower forming rolls while varying positions in the lateral direction of processing with the forward/backward moving means, and angles from a process direction with the turning means.
    Type: Application
    Filed: December 24, 2013
    Publication date: January 29, 2015
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong LEE, Jin Ho Jung
  • Publication number: 20140360990
    Abstract: A roll forming system which roll-forms a shaped beam by a roll forming unit including a plurality of roll formers is disclosed. A laser welding device for the roll forming system may include: front and rear guide means disposed apart from each other at the rear of the roll forming unit, and guiding movement of the shaped beam; laser welding means mounted above and between the front and rear guide means, reciprocatedly rotating a mirror by controlling a mirror motor so as to irradiate a laser beam to a welding position of the shaped beam, and thereby forming a welding bead having a predetermined welding pattern; forming speed detecting means detecting a forming speed of the shaped beam and transmitting a signal corresponding thereto to a controller; a camera disposed at the rear of the laser welding means, photographing a welding portion of the shaped beam, and transmitting an image signal corresponding thereto to the controller.
    Type: Application
    Filed: August 27, 2014
    Publication date: December 11, 2014
    Inventors: Mun-Yong LEE, Hyun-Uk SEOL
  • Patent number: 8899670
    Abstract: A roof side rail is connected to a roof panel and includes a multi-sectional rail having a plurality of integrally formed ribs and bent along a shape of an upper portion of a side surface of a vehicle body, and a reinforcement rail that is combined with an inner side surface of the rail, an upper side flange is connected to the roof panel, and a lower side flange is engaged with a weather strip.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: December 2, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Shin Young Co., Ltd., Sungwoo Hitech Co., Ltd., MS Autotech Co., Ltd.
    Inventors: Dae Seung Kim, Chang Wook Park, Log Won Do, Sang Hoon Chae, Jang-Su Kim, Sang-Lae Lee, Mun Yong Lee, Sungyong Park, Dae-Ho Yang, Dae Keun Kim
  • Patent number: 8888134
    Abstract: A mounting unit for a sub-frame of a vehicle is provided. The mounting unit is used for engaging a front side member with the vehicle's sub-frame. The mounting unit includes a welding seat that is formed as a groove on a lower side of the front side member. The mounting unit further includes a mounting nut assembled with the front side member, a welding flange integrated with an external circumference and a head of the mounting nut and inserted into the welding seat to be combined with the welding seat, and a member seat that is formed outside the welding flange and with which a fender upper connecting member is combined.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: November 18, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Shin Young Co., Ltd., Sungwoo Hitech Co., Ltd., MS Autotech Co., Ltd.
    Inventors: Dae Seung Kim, Chang Wook Park, Jang-Su Kim, Mun Yong Lee, Sungyong Park, Daeho Yang, Dae Keun Kim, Sang Hoon Chae, Sang-Lae Lee
  • Patent number: 8858147
    Abstract: A self-piercing rivet is disclosed. The self-piercing rivet integrally joins an upper plate member and a lower plate member overlapping each other. The self-piercing rivet includes a head portion, a shank portion integrally connected with the head portion, a plurality of ribs formed to an external circumferential surface of the shank portion along a length direction of the shank portion in a spiral form, and at least one stopper protrusion protruded from a lower portion of the head portion.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: October 14, 2014
    Assignee: Sungwoo Hitech Co., Ltd.
    Inventors: Mun Yong Lee, Byung-Jun Park
  • Patent number: 8857835
    Abstract: The present invention relates to a rear suspension system of a coupled torsion beam which comprises a torsion beam and trailing arms connected to ends of the torsion beam by welding, wherein a gap with a predetermined length is formed between the torsion beam and the trailing arm.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: October 14, 2014
    Assignee: Sungwoo Hitech Co., Ltd.
    Inventors: Mun Yong Lee, Jichan Kim
  • Patent number: 8851814
    Abstract: A self-piercing rivet is disclosed. The self-piercing rivet integrally joins an upper plate member and a lower plate member overlapping each other. The self-piercing rivet includes a head portion, a shank portion integrally connected with the head portion, and a plurality of ribs formed to an external circumferential surface of the shank portion along a length direction of the shank portion in a spiral form.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: October 7, 2014
    Assignee: Sungwoo Hitech Co., Ltd.
    Inventors: Mun Yong Lee, Byung-Jun Park
  • Patent number: 8851815
    Abstract: A self-piercing rivet is disclosed. The self-piercing rivet integrally joins an upper plate member and a lower plate member overlapping each other. The self-piercing rivet includes a head portion, a shank portion integrally connected with the head portion and a plurality of ribs formed to an external circumferential surface of the shank portion along a length direction of the shank portion in a spiral form, wherein a drive slot is formed to upper portion of the head portion.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: October 7, 2014
    Assignee: Sungwoo Hitech Co., Ltd.
    Inventors: Mun Yong Lee, Byung-Jun Park
  • Patent number: 8847107
    Abstract: A roll forming system which roll-forms a shaped beam by a roll forming unit including a plurality of roll formers is disclosed. A laser welding device for the roll forming system may include: front and rear guide means disposed apart from each other at the rear of the roll forming unit, and guiding movement of the shaped beam; laser welding means mounted above and between the front and rear guide means, reciprocatedly rotating a mirror by controlling a mirror motor so as to irradiate a laser beam to a welding position of the shaped beam, and thereby forming a welding bead having a predetermined welding pattern; forming speed detecting means detecting a forming speed of the shaped beam and transmitting a signal corresponding thereto to a controller; a camera disposed at the rear of the laser welding means, photographing a welding portion of the shaped beam, and transmitting an image signal corresponding thereto to the controller.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: September 30, 2014
    Assignee: Sungwoo Hitech Co., Ltd.
    Inventors: Mun-Yong Lee, Hyun-Uk Seol
  • Patent number: 8794894
    Abstract: A self-piercing rivet is disclosed. The self-piercing rivet integrally joins an upper plate member and a lower plate member overlapped with each other. The self-piercing rivet includes: a head portion; and a shank portion integrally connected to the head portion and provided with more than two slits.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: August 5, 2014
    Assignee: Sungwoo Hitech Co., Ltd.
    Inventors: Mun-Yong Lee, Byung-Jun Park