Patents Assigned to AT&C Co., Ltd.
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Patent number: 8207249Abstract: 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: GrantFiled: October 15, 2008Date of Patent: June 26, 2012Assignee: Hanmi E&C Co., Ltd.Inventor: Mun-Son Choe
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Patent number: 8167465Abstract: 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: GrantFiled: November 20, 2009Date of Patent: May 1, 2012Assignee: Jinyoung I&C Co., LtdInventor: Jin Gil Cha
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Patent number: 8157475Abstract: 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: GrantFiled: January 6, 2006Date of Patent: April 17, 2012Assignee: Fixon E&C Co., Ltd.Inventors: Hyeon-Kuk Kim, Byung-Gun Jung, Seung-Ho Kim
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Publication number: 20110303627Abstract: 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: ApplicationFiled: October 8, 2010Publication date: December 15, 2011Applicant: DAEWOO E&C CO., LTD.Inventors: Tae-Hoon KIM, Se-Jin PARK, Young-Jin KIM, Seong-Woon KIM
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Publication number: 20110278752Abstract: 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: ApplicationFiled: October 8, 2010Publication date: November 17, 2011Applicant: DAEWOO E&C CO., LTD.Inventors: Tae-Hoon KIM, Se-Jin PARK, Young-Jin KIM, Seong-Woon KIM
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Publication number: 20110217513Abstract: 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: ApplicationFiled: May 17, 2011Publication date: September 8, 2011Applicant: SHEHWA P&C CO., LTD.Inventor: Byoung-Woo HWANG
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Publication number: 20110136618Abstract: 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: ApplicationFiled: October 14, 2009Publication date: June 9, 2011Applicant: SUNG JAE I&C CO., LTDInventor: Moon Jae Lee
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Publication number: 20110097473Abstract: 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: ApplicationFiled: December 30, 2010Publication date: April 28, 2011Applicant: for-C Co. Ltd.Inventors: Katsuro Nakamura, Kazuhiro Suzuki
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Patent number: 7918431Abstract: 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: GrantFiled: February 27, 2008Date of Patent: April 5, 2011Assignee: Yeil M & C Co., Ltd.Inventor: DuckChun Ham
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Publication number: 20110039659Abstract: 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: ApplicationFiled: March 12, 2010Publication date: February 17, 2011Applicant: SK C&C CO., LTD.Inventors: Chong-Eun Kim, Uk Oh, Shin-Hyun Min, Dane Jon
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Publication number: 20110000849Abstract: 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: ApplicationFiled: April 15, 2010Publication date: January 6, 2011Applicant: DAEWOO E&C CO., LTD.Inventors: Eui-Sin LEE, Bum-Goo LEE, Hee-Kyong OH, Jung-Yeol EOM
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Patent number: 7837873Abstract: 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: GrantFiled: April 27, 2010Date of Patent: November 23, 2010Assignee: for-C Co. Ltd.Inventor: Katsuro Nakamura
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Publication number: 20100289973Abstract: 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: ApplicationFiled: May 10, 2010Publication date: November 18, 2010Applicant: SAMCHANG S.C CO., LTD.Inventors: Chang-ho JUNG, Kwang-cheol Park, Jong-moon Na, Tae-doo Jung
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Patent number: 7829149Abstract: 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: GrantFiled: February 4, 2008Date of Patent: November 9, 2010Assignees: Teknix D&C Co., Ltd., Samhwa Paints Ind. Co., Ltd., University of Seoul, Industry Cooperation FoundationInventors: Young Suk Kim, Seung Seock Han, Chang Taek Hyun, Jae Myung Choi
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Patent number: 7828966Abstract: 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: GrantFiled: June 27, 2008Date of Patent: November 9, 2010Assignee: for-C Co. Ltd.Inventor: Katsuro Nakamura
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Publication number: 20100261879Abstract: 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: ApplicationFiled: December 23, 2009Publication date: October 14, 2010Applicant: 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
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Publication number: 20100249440Abstract: 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: ApplicationFiled: April 27, 2010Publication date: September 30, 2010Applicant: for-C Co. Ltd.Inventor: Katsuro Nakamura
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Publication number: 20100097206Abstract: 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: ApplicationFiled: December 18, 2009Publication date: April 22, 2010Applicant: SAMCHANG S.C CO., LTD.Inventors: Changho Jung, Wonjeong Jeong
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Publication number: 20100000671Abstract: 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: ApplicationFiled: August 7, 2009Publication date: January 7, 2010Applicant: SHEHWA P&C CO. LTD.Inventor: Byoung-Woo HWANG
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Publication number: 20090306968Abstract: 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: ApplicationFiled: August 12, 2009Publication date: December 10, 2009Applicants: EGC & C CO., LTD.Inventor: Yonghwa Kim