Patents Assigned to AT&C Co., Ltd.
  • Patent number: 8207249
    Abstract: A modified sulfur binder capable of implementing a physical property of being re-melted at a temperature less than 100° C., by mixing sulfur with a heterocyclicamine or alkylamine-based modifier and a dicyclopentadiene-based modifier, and a fabrication method thereof. A hydraulic modified sulfur material composition capable of being mixed with water by adding a surfactant to the modified sulfur binder, and obtained by mixing aggregate and a hydraulic material to the modified sulfur binder, and a fabrication method thereof. A hydraulic modified sulfur material obtained by molding the hydraulic modified sulfur material composition, and a fabrication method thereof. A combustible modified sulfur material composition obtained by adding aggregate to the modified sulfur binder, and by selectively adding a filler to the modified sulfur binder, and a fabrication method thereof.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: June 26, 2012
    Assignee: Hanmi E&C Co., Ltd.
    Inventor: Mun-Son Choe
  • Patent number: 8167465
    Abstract: The present invention relates to an LED illumination module. The LED illumination module comprises an upper housing configured to have an accommodation unit upwardly protruding at a central portion of the upper housing and to have two or more LEDs mounted in an outer circumference direction of the accommodation unit, a lower housing disposed below the upper housing, a power supply device embedded in the accommodation unit formed in the upper housing and configured to supply a power source to the LEDs, and power source cables placed on sides of the upper housing and the lower housing and configured to supply an external power source to the power supply device.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: May 1, 2012
    Assignee: Jinyoung I&C Co., Ltd
    Inventor: Jin Gil Cha
  • Patent number: 8157475
    Abstract: The present invention relates to a reinforcement liner installation mold for a corrugated steel plate structure. The reinforcement liner installation mold for the corrugated steel plate structure according to the present invention is mounted on one surface of a corrugated steel plate and forms a reinforcement liner when concrete is placed inside the mold the placed concrete cures. The mold includes a plurality of unit mold panels, each having a rectangular front panel part and two side panel parts integrally formed along the opposite lengthwise edges of the front panel part. The plurality of unit mold panels is sequentially fastened to the corrugated steel plate by a plurality of anchor bolts and a plurality of nuts along the outer surface of the corrugated steel plate in a lengthwise direction.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: April 17, 2012
    Assignee: Fixon E&C Co., Ltd.
    Inventors: Hyeon-Kuk Kim, Byung-Gun Jung, Seung-Ho Kim
  • Publication number: 20110303627
    Abstract: The present invention relates to a precast coping lifting system, and more particularly to, a lifting system for lifting precast coping composed of a main segment and a subsegment, characterized in comprising: a hoist crane for installing a horizontal support on the top of the main segment and forming a pair of carriers on the horizontal support; a plurality of clamps for being installed on the top of the horizontal support of the hoist crane, being moved by the carrier of the hoist crane and fixing the subsegment to the top of the horizontal support; and work vehicle for being installed on the horizontal support of the hoist crane and being moved by self power along the horizontal support.
    Type: Application
    Filed: October 8, 2010
    Publication date: December 15, 2011
    Applicant: DAEWOO E&C CO., LTD.
    Inventors: Tae-Hoon KIM, Se-Jin PARK, Young-Jin KIM, Seong-Woon KIM
  • Publication number: 20110278752
    Abstract: The method for constructing precast coping for bridge of the present invention enables to manufacture a segment match-cast manufactured with the top of a pier body; to be applied to small and medium size bridges by introducing transverse tendon force to each segment through tendons after manufacturing a subsegment which is match cast to both sides of the pre-made segment; to be rapidly produced; and to retension tendons when the coping is constructed by using a plurality of segments. Further, the method for constructing precast coping for bridge of the present invention enables to manufacture the method for constructing precast coping for bridge, enabling to obtain stability towards lift by easily lifting the coping, assembled on the ground, through lifting lugs by forming lifting lugs on the top upon manufacturing segments.
    Type: Application
    Filed: October 8, 2010
    Publication date: November 17, 2011
    Applicant: DAEWOO E&C CO., LTD.
    Inventors: Tae-Hoon KIM, Se-Jin PARK, Young-Jin KIM, Seong-Woon KIM
  • Publication number: 20110217513
    Abstract: The present invention relates to a privacy securing film, and more particularly, to a privacy securing film having a louver film, wherein the louver film is manufactured through a process including the steps of i) alternately laminating and thermo-compressing transparent film layers and opaque adhesive ink layers, and ii) cutting the thermo-compressed, laminated film perpendicularly to or at a certain angle with respect to the surface thereof such that the thickness of the louver film is in a range of 2 to 30 times the thickness of the transparent film, and a hard coat layer is provided on at least one outermost face of the privacy securing film. The privacy securing film of the present invention has a simplified structure, can be fabricated through a simple manufacturing process, can significantly reduce the creation of a ghost image, and has excellent radio-shielding effects, as compared with conventional ones.
    Type: Application
    Filed: May 17, 2011
    Publication date: September 8, 2011
    Applicant: SHEHWA P&C CO., LTD.
    Inventor: Byoung-Woo HWANG
  • Publication number: 20110136618
    Abstract: The present invention relates to a bicycle driving apparatus, and more particularly, to a bicycle driving apparatus which enables the forward travel of the bicycle regardless of the forward rotation or reverse rotation of the pedals. The bicycle driving apparatus according to the present invention enables a bicycle to travel in the forward direction not only when a pedal rotates in the forward direction but also when the pedal rotates in the reverse direction.
    Type: Application
    Filed: October 14, 2009
    Publication date: June 9, 2011
    Applicant: SUNG JAE I&C CO., LTD
    Inventor: Moon Jae Lee
  • Publication number: 20110097473
    Abstract: Provided is a method for purifying natural oil comprising: supplying a to-be-treated raw natural oil into a reaction tank which is provided with a layer of a particulate photocatalyst, and which is configured to allow the to-be-treated raw natural oil and oxygen and/or hydrogen to pass through the particulate photocatalyst in the layer; and then, while introducing oxygen and/or hydrogen to the inside of the layer of the particulate photocatalyst, causing the raw natural oil to circulate and to come into contact with the particulate photocatalyst, with a temperature inside the reaction tank kept at 40 to 110° C., to thereby purifying the raw natural oil.
    Type: Application
    Filed: December 30, 2010
    Publication date: April 28, 2011
    Applicant: for-C Co. Ltd.
    Inventors: Katsuro Nakamura, Kazuhiro Suzuki
  • Patent number: 7918431
    Abstract: A levitation type supporting unit interposed between an object and an installing surface for supporting the object respective to the installing surface. The supporting unit includes lower and upper magnet parts having a lower magnet; the upper magnet part arranged at an upper part of the lower magnet part while having an interval spaced from the lower magnet part, the upper magnet part having a surface facing a surface of the lower magnet, the surfaces having equal polarities; an upper fixing cap being assembled with the upper magnet part to allow elevation; a lower fixing cap connected with the upper fixing cap and is assembled with the lower magnet part; and a fixing part including a connecting part formed on one side, connecting the upper and lower fixing caps while having an interval forming an exposed space between the upper and lower fixing caps, the fixing part preventing the upper magnet part from escaping from an upper position of the lower magnet part.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: April 5, 2011
    Assignee: Yeil M & C Co., Ltd.
    Inventor: DuckChun Ham
  • Publication number: 20110039659
    Abstract: The present invention relates to a user-participating type fitness lecture system and a fitness training method using the same. More specifically, the present invention relates to a user-participating type fitness lecture system that provides direction for correcting a user's posture or motion by comparing the user's motions with user created contents (UCC). When the contents are played back for the user to emulate, correctness of the user's motion is grasped by detecting and comparing motions in the contents with the user's motion photographed through a camera, and providing the user with posture correction information in image or voice formats.
    Type: Application
    Filed: March 12, 2010
    Publication date: February 17, 2011
    Applicant: SK C&C CO., LTD.
    Inventors: Chong-Eun Kim, Uk Oh, Shin-Hyun Min, Dane Jon
  • Publication number: 20110000849
    Abstract: The present invention provides a water purification apparatus and method using a pressurized micro-filter preprocessed with a coagulation inclined-plate sedimentation reservoir and a pore-control fiber filter for improvement of a recovery rate, which removes the dissolved organic materials and the turbidity of raw water through a preprocess by a flash mixer, a two-stage coagulation reservoir and an inclined-plate sedimentation reservoir, thereby making it possible to reduce the use of coagulants, the generation of sludge by-products, the inflow load of membranes, and the facility size in comparison with the conventional standard water purification processes.
    Type: Application
    Filed: April 15, 2010
    Publication date: January 6, 2011
    Applicant: DAEWOO E&C CO., LTD.
    Inventors: Eui-Sin LEE, Bum-Goo LEE, Hee-Kyong OH, Jung-Yeol EOM
  • Patent number: 7837873
    Abstract: Disclosed is a method for producing botanical oil with no by-produced trans fatty acids comprising the steps of; (1) introducing a raw oil obtained by squeezing plant seeds into a column having activated carbon filled therein from the upper part of the column; (2) allowing the oil to transfer in the column by the action of gravity toward the lower part of the column and allowing the oil to discharge from the column through a filter cloth placed adjacent to the bottom part of the activated carbon layer, wherein the filter cloth has a pore size of 13 to 45 ?m, and (3) introducing the oil discharged from the column into an activated carbon separation device comprising a filter having a pore size of 3-7 ?m, and discharging from said separation device an oil having no activated carbon microparticles by the action of a sucking force.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: November 23, 2010
    Assignee: for-C Co. Ltd.
    Inventor: Katsuro Nakamura
  • Publication number: 20100289973
    Abstract: Disclosed herein is a multifunctional therapeutic device with educational and entertainment functions, including a body including a program engine and a power supply unit. The multifunctional therapeutic device includes a data storage unit, an image display unit, and a sound output unit. The data storage unit is removably mounted on the body, is electrically connected to the program engine, and temporarily stores image and sound output data. The image display unit is mounted on the remaining side of the body so that its angle can be adjusted, is electrically connected to the program engine, and outputs an image through the program engine. The sound output unit is mounted between the data storage unit and the image display unit, is electrically connected to the program engine, and outputs a sound through the program engine. The image display unit and the sound output unit are operated separately or in combination.
    Type: Application
    Filed: May 10, 2010
    Publication date: November 18, 2010
    Applicant: SAMCHANG S.C CO., LTD.
    Inventors: Chang-ho JUNG, Kwang-cheol Park, Jong-moon Na, Tae-doo Jung
  • Patent number: 7829149
    Abstract: A method of waterproof and floor construction by using thixotropic urethane and fabric sheet includes the steps of applying a primer on a base concrete surface to form a primer layer; disposing waterproof fiber sheets on the primer layer with an interval in the range of 5 to 10 mm and connecting the intervals with tapes to form a fiber sheet layer; applying thixotropic urethane having viscosity in the range of 900,000 to 1,000,000 CP onto the fiber sheet layer; and spraying super high speed hardening type resin onto the thixotropic urethane to form a coating layer.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: November 9, 2010
    Assignees: Teknix D&C Co., Ltd., Samhwa Paints Ind. Co., Ltd., University of Seoul, Industry Cooperation Foundation
    Inventors: Young Suk Kim, Seung Seock Han, Chang Taek Hyun, Jae Myung Choi
  • Patent number: 7828966
    Abstract: Disclosed is a method for producing botanical oil with no by-produced trans fatty acids comprising the steps of; (1) introducing a raw oil obtained by squeezing plant seeds into a column having activated carbon filled therein from the upper part of the column; (2) allowing the oil to transfer in the column by the action of gravity toward the lower part of the column and allowing the oil to discharge from the column through a filter cloth placed adjacent to the bottom part of the activated carbon layer, wherein the filter cloth has a pore size of 13 to 45 ?m; and (3) introducing the oil discharged from the column into an activated carbon separation device comprising a filter having a pore size of 3-7 ?m, and discharging from said separation device an oil having no activated carbon microparticles by the action of a sucking force.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: November 9, 2010
    Assignee: for-C Co. Ltd.
    Inventor: Katsuro Nakamura
  • Publication number: 20100261879
    Abstract: The present invention relates to peptide derivatives, wherein glutathione-like peptides are connected to benzoic acid derivatives, and a cosmetic composition comprising the same. The peptide derivatives according to the present invention have excellent tyrosinase inhibition and anti-oxidative activities to show excellent skin whitening effect, biocompatibility without skin stimulation, and stability during long-term storage. Therefore, they can be effectively used for a cosmetic composition for skin whitening.
    Type: Application
    Filed: December 23, 2009
    Publication date: October 14, 2010
    Applicant: BIO-FD&C CO., LTD.
    Inventors: Dai Hyun JUNG, Sang Hyun MOH, Jung Hun LEE, Su Jung KIM, Hyung Sik KIM, Hyo Hyun SEO, Yeon Ja BAE
  • Publication number: 20100249440
    Abstract: Disclosed is a method for producing botanical oil with no by-produced trans fatty acids comprising the steps of; (1) introducing a raw oil obtained by squeezing plant seeds into a column having activated carbon filled therein from the upper part of the column; (2) allowing the oil to transfer in the column by the action of gravity toward the lower part of the column and allowing the oil to discharge from the column through a filter cloth placed adjacent to the bottom part of the activated carbon layer, wherein the filter cloth has a pore size of 13 to 45 ?m; and (3) introducing the oil discharged from the column into an activated carbon separation device comprising a filter having a pore size of 3-7 ?m, and discharging from said separation device an oil having no activated carbon microparticles by the action of a sucking force.
    Type: Application
    Filed: April 27, 2010
    Publication date: September 30, 2010
    Applicant: for-C Co. Ltd.
    Inventor: Katsuro Nakamura
  • Publication number: 20100097206
    Abstract: The present invention relates to a post cap for a guardrail equipped with light emission means. The post cap for a guardrail is configured to produce beautiful scenery through variation in the color and the blinking state and to ensure safe nighttime passage through the transmission of signals depending on situations. The post cap for a guardrail equipped with light emission means capable of emitting light of various colors is configured to detect the location of installation and time through the reception of GPS signals and to enable a plurality of post caps to implement variations in color in conjunction with each other through time-based variations in color according to a stored program based on the location of installation.
    Type: Application
    Filed: December 18, 2009
    Publication date: April 22, 2010
    Applicant: SAMCHANG S.C CO., LTD.
    Inventors: Changho Jung, Wonjeong Jeong
  • Publication number: 20100000671
    Abstract: The present invention relates to a privacy securing film, and more particularly, to a privacy securing film having a louver film, wherein the louver film is manufactured through a process including the steps of i) alternately laminating and thermo-compressing transparent film layers and opaque adhesive ink layers, and ii) cutting the thermo-compressed, laminated film perpendicularly to or at a certain angle with respect to the surface thereof such that the thickness of the louver film is in a range of 2 to 30 times the thickness of the transparent film, and a hard coat layer is provided on at least one outermost face of the privacy securing film. The privacy securing film of the present invention has a simplified structure, can be fabricated through a simple manufacturing process, can significantly reduce the creation of a ghost image, and has excellent radio-shielding effects, as compared with conventional ones.
    Type: Application
    Filed: August 7, 2009
    Publication date: January 7, 2010
    Applicant: SHEHWA P&C CO. LTD.
    Inventor: Byoung-Woo HWANG
  • Publication number: 20090306968
    Abstract: Disclosed is a system, which grants identification code to sentence structures of electronic teaching material contents, includes the following units. The identification code production unit distinguishes each syllable of electronic teaching material content's selected sentence structure according to type of language, and produces peculiar identification code using the first phoneme or syllable of each syllable. The identification code grant unit grants identification code to metadata of file which stores electronic teaching material contents of above.
    Type: Application
    Filed: August 12, 2009
    Publication date: December 10, 2009
    Applicants: EGC & C CO., LTD.
    Inventor: Yonghwa Kim