Patents by Inventor Hwan-Chang Kim
Hwan-Chang Kim 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).
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Publication number: 20240130934Abstract: Disclosed is a bulk block for manufacturing a prosthesis having high aesthetics and processability required for one-day dental prosthetic materials, which is a dental composite bulk block comprising a glass ceramic matrix and a polymer, wherein the glass ceramic matrix consists of an amorphous glass matrix and a crystalline phase dispersed in the glass matrix, the crystalline phase comprises as a main crystalline phase at least one selected from a leucite crystalline phase and a lithium disilicate crystalline phase, and has an average particle diameter of 0.01-1.0 ?m, and the polymer is included in an amount of 20-40 wt % with respect to the weight of the total bulk block. The bulk block has the advantages of improved mechanical properties, being capable of preventing microleakage, exhibiting excellent aesthetics, and enabling machining.Type: ApplicationFiled: December 21, 2023Publication date: April 25, 2024Applicant: HASS CO., LTD.Inventors: Hyung Bong LIM, Sung Min KIM, Sung Ho HA, Moon Chang KIM, Hwan Soon KOH
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Patent number: 9893440Abstract: Disclosed is a vertical type connecting terminal for a storage battery, the vertical type connecting terminal including: a body unit 10 which includes an insertion portion 11 which is formed in a cylindrical shape having a cut-out at one side, an electric power outlet 12 which is formed opposite to the cut-out of the insertion portion 11, and a pair of elastic pieces 13 which extends in a radial direction from both ends of the cut-out of the insertion portion 11 and has therein arc-shaped portions 13?, respectively; a fastening member 20 which includes a washer member 21 which has inside thereof arc-shaped grooves 21? into which the arc-shaped portions 13? of the elastic piece 13 are inserted such that the washer member 21 is coupled to an upper portion of the elastic piece 13 and adjusts an interval between the elastic pieces 13 while moving vertically, a T-shaped tightening bolt 22 which is positioned below the elastic piece 13 and has a body 22a to be inserted into a through hole 21c formed in the washer mType: GrantFiled: October 18, 2016Date of Patent: February 13, 2018Assignee: CHANG HWAN PRECISION TERMINAL CO., LTD.Inventor: Hwan Chang Kim
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Publication number: 20170264031Abstract: Disclosed is a vertical type connecting terminal for a storage battery, the vertical type connecting terminal including: a body unit 10 which includes an insertion portion 11 which is formed in a cylindrical shape having a cut-out at one side, an electric power outlet 12 which is formed opposite to the cut-out of the insertion portion 11, and a pair of elastic pieces 13 which extends in a radial direction from both ends of the cut-out of the insertion portion 11 and has therein arc-shaped portions 13?, respectively; a fastening member 20 which includes a washer member 21 which has inside thereof arc-shaped grooves 21? into which the arc-shaped portions 13? of the elastic piece 13 are inserted such that the washer member 21 is coupled to an upper portion of the elastic piece 13 and adjusts an interval between the elastic pieces 13 while moving vertically, a T-shaped tightening bolt 22 which is positioned below the elastic piece 13 and has a body 22a to be inserted into a through hole 21c formed in the washer mType: ApplicationFiled: October 18, 2016Publication date: September 14, 2017Inventor: Hwan Chang KIM
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Patent number: 9022815Abstract: The storage battery connection terminal comprising: an insertion unit formed in a shape of a curved; a clamping unit formed by extending end portions of the insertion; and a power withdrawal unit formed to be extended from the other end portion of the insertion unit, in which the insertion unit, the clamping unit and the power withdrawal unit are manufactured by molding a single panel. The clamping unit includes a lower plate formed to be inclined by extending one end portion of the insertion unit so as to support the clamping bolt, and an upper plate formed to be inclined by extending the other end portion of the insertion unit so as to be disposed in parallel to the lower plate, on which the clamping nut is rested.Type: GrantFiled: January 14, 2013Date of Patent: May 5, 2015Assignee: Chang Hwan Precision Terminal Co., Ltd.Inventor: Hwan Chang Kim
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Patent number: 8986052Abstract: In a storage battery connection terminal comprising: an insertion unit of a cylindrical shape with an open end; a clamping unit for adjusting a diameter of the insertion unit by adjusting a gap between a pair of elastic plates; and a power withdrawal connecting a connection terminal, wherein the insertion unit, the elastic pieces of the clamping unit and the power withdrawal unit are formed in one piece through a forging process, the power withdrawal unit is connected at a position spaced apart from a lower portion of the insertion unit by a predetermined distance, in which a hole for inserting the connection bolt having a head of a rectangular panel shape is formed, and a resting groove with an open side is formed on a bottom surface so that a portion of the head of the connection bolt can be rest.Type: GrantFiled: January 14, 2013Date of Patent: March 24, 2015Assignee: Chang Hwan Precision Terminal Co., Ltd.Inventor: Hwan Chang Kim
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Publication number: 20140134895Abstract: In a storage battery connection terminal comprising: an insertion unit of a cylindrical shape with an open end; a clamping unit for adjusting a diameter of the insertion unit by adjusting a gap between a pair of elastic plates; and a power withdrawal connecting a connection terminal, wherein the insertion unit, the elastic pieces of the clamping unit and the power withdrawal unit are formed in one piece through a forging process, the power withdrawal unit is connected at a position spaced apart from a lower portion of the insertion unit by a predetermined distance, in which a hole for inserting the connection bolt having a head of a rectangular panel shape is formed, and a resting groove with an open side is formed on a bottom surface so that a portion of the head of the connection bolt can be rest.Type: ApplicationFiled: January 14, 2013Publication date: May 15, 2014Applicant: CHANG HWAN PRECISION TERMINAL CO., LTD.Inventor: Hwan Chang Kim
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Patent number: 7993168Abstract: A battery terminal in which opening of the inserting member of the electrode can be controlled so that the battery electrode is connected promptly and firmly, transformation of the electrode can be avoided by preventing excessively tight connection of the electrode, electric resistance is reduced by maximizing contacting surface of the electrode thereby enhancing electric conductivity, and connecting process is conveniently carried out by fastening the bolt which controls the opening of the inserting member at upper portion of the device.Type: GrantFiled: September 29, 2010Date of Patent: August 9, 2011Assignee: Chang Hwan Precision Terminal Co., Ltd.Inventor: Hwan-Chang Kim
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Patent number: 6884123Abstract: A connecting terminal for a storage battery is disclosed. The connecting terminal includes a fixation plate having a bolt hole extending therethrough; a fixation member insertable into the bolt hole of said fixation plate; a rounded insertion member extending from said fixation plate and having upper and lower elastic bodies defining an insertion hole, the upper and lower elastic bodies each having flanged portions extending toward one another; and a tightening member extending from said insertion member.Type: GrantFiled: December 16, 2002Date of Patent: April 26, 2005Inventor: Hwan-Chang Kim
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Publication number: 20030198867Abstract: A connecting terminal for a storage battery is disclosed. The connecting terminal includes a fixation plate having a bolt hole extending therethrough; a fixation member insertable into the bolt hole of said fixation plate; a rounded insertion member extending from said fixation plate and having upper and lower elastic bodies defining an insertion hole, the upper and lower elastic bodies each having flanged portions extending toward one another; and a tightening member extending from said insertion member.Type: ApplicationFiled: December 16, 2002Publication date: October 23, 2003Inventor: Hwan-Chang Kim
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Patent number: 6517390Abstract: The present invention relates to a connecting terminal for an automobile storage battery, or more particularly, to a connecting terminal for a storage battery, wherein a connecting terminal part 1 connecting to a post-terminal 3 for a storage battery, and connection terminals (7a, 7b, 7c, 7d, 7e) for fixing a wire connector (C) are made attachable or detachable by means of bolts (9a, 9b, 9c, 9d) and nuts (10a, 10b, 10c, 10d) in conjunction with washers (8a, 8b, 8c, 8d); and the insertion holes (4, 4′) of the connecting terminal part 1 are tightened with appropriate tightening force by means of a tightening bolt 5 having a screw thread only at the portion at its lower end, which incorporates into a unit a rubber cap in the shape of a band, which covers the upper and lower portions of the connecting terminal part 1 connected to said post-terminal, and which has protrusions 11″ in the shape of a ring, respectively, around the rim of the bottom side of the piercing hole 11′ of the rubber cap 11,Type: GrantFiled: December 10, 2001Date of Patent: February 11, 2003Inventor: Hwan-Chang Kim
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Publication number: 20020094728Abstract: The present invention relates to a connecting terminal for an automobile storage battery, or more particularly, to a connecting terminal for a storage battery, wherein a connecting terminal part 1 connecting to a post-terminal 3 for a storage battery, and connection terminals (7a, 7b, 7c, 7d, 7e) for fixing a wire connector (C) are made attachable or detachable by means of bolts (9a, 9b, 9c, 9d) and nuts (10a, 10b, 10c, 10d) in conjunction with washers (8a, 8b, 8c, 8d); and the insertion holes (4, 4′) of the connecting terminal part 1 are tightened with appropriate tightening force by means of a tightening bolt 5 having a screw thread only at the portion at its lower end, which incorporates into a unit a rubber cap in the shape of a band, which covers the upper and lower portions of the connecting terminal part 1 connected to said post-teminal, and which has protrusions 11″ in the shape of a ring, respectively, around the rim of the bottom side of the piercing hole 11′ of the rubber cap 11,Type: ApplicationFiled: December 10, 2001Publication date: July 18, 2002Inventor: Hwan-Chang Kim
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Patent number: D465454Type: GrantFiled: March 23, 2001Date of Patent: November 12, 2002Inventor: Hwan-Chang Kim
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Patent number: D488129Type: GrantFiled: October 15, 2002Date of Patent: April 6, 2004Inventor: Hwan-Chang Kim