Sun-Keun
Sun Keun Kim, Daejeon KR
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20160137764 | TRINARY ELASTIC COPOLYMER COMPRISING DIENE AND METHOD FOR PREPARING SAME - The present invention relates to a long-chain branched elastic terpolymer capable of satisfying excellent processability and elasticity (flexibility) at the same time, which is obtained in the presence of a Group IV transition metal catalyst, and a preparation method thereof. The elastic terpolymer is a copolymer of ethylene, an alpha-olefin having 3 to 20 carbon atoms, and a diene, wherein (i) its weight average molecular weight measured by GPC is 100,000 to 500,000, and (ii) x which is an ethylene content (% by weight) and y which is a crystallization temperature (K) of the copolymer measured when the ethylene content is X satisfy a relationship of 2.628x+100≦y≦2.628x+112. | 05-19-2016 |
Sun Keun Lee, Gwangsan-Gu KR
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20100319391 | REFRIGERATOR - A refrigerator including an extractable container, and a conveying unit formed in an inner space of a vertical wall of the extractable container. The conveying unit includes a guide part to guide the movement of a partition member that divides a storage space of the extractable container, and a fixing part to restrict the movement of the partition member | 12-23-2010 |
Sun Keun Park, Seoul KR
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20120061145 | METHOD AND APPARATUS FOR DRILLING LARGE-DIAMETER HOLE IN GROUND - The present invention relates to method and apparatus for drilling a large diameter hole in the ground. The present invention comprises a hammer drill ( | 03-15-2012 |
Sun-Keun Cho, Yongin-Si KR
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20140374228 | KEY APPARATUS FOR ELECTRONIC APPLIANCES - A key apparatus of an electronic device is provided. The key apparatus includes a housing having a cylindrical portion, the cylindrical portion including an upper portion and a lower portion, the upper portion and the lower portion being open, a knob including a circular-plate portion, the circular plate portion having a concavo-convex portion, the concavo-convex portion including a concave portion and a convex portion arranged alternately in a circular shape and an extension portion extended from the circular-plate portion in a downward direction and inserted into a hollow of the cylindrical portion, and the knob moves on the circular-plate portion, an anti-deviation unit configured to prevent the knob from being deviated from the cylindrical portion, an elastic configured to elastically press the concavo-convex portion at a lower side of the circular-plate portion, and a switch connected to the extension portion and switches over movement of the extension portion is delivered. | 12-25-2014 |
Sun-Keun Cho, Gyeonggi-Do KR
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20150365508 | ELECTRONIC DEVICE INCLUDING SCREEN - An electronic device may include a housing including an upper opening part, a flat panel display set arranged in the upper opening part and including a screen, and a circuit board arranged under the flat type display set and coupled to an inner surface of the housing. | 12-17-2015 |
Sun-Keun Kim, Seoul KR
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20090036587 | Propylene Resin Composition With Flame Retardance And Abrasion Resistance - Disclosed is a polypropylene resin composition with flame retardance and abrasion resistance. The polypropylene resin composition according to the present invention includes 20 to 200 parts by weight of an inorganic flame retardant; and 0.1 to 10 parts by weight of at least one additive, based on 100 parts by weight of a base resin comprising 30 to 90% by weight of polypropylene copolymer resin and 10 to 70% by weight of polyolefin alpha copolymer resin. The polypropylene resin composition according to the present invention can be used for industrial cables with potent endurance since it includes an inorganic flame retardant to show flame retardance and it can remove or reduce a whitening phenomenon and show a significantly improved abrasion resistance without deteriorating moldability or mechanical property even when the contents of the composition are varied to enhance abrasion resistance. | 02-05-2009 |