Patents by Inventor Kil Ju KO
Kil Ju KO 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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Patent number: 11214095Abstract: Provided are a sheet, a method of its preparation, and a tire comprising the sheet, wherein the sheet comprises tire cords, a topping rubber for topping the tire cords, and a conductive fiber located on the surface of the topping rubber. The sheet can provide tires, on which a rubber composition with a low electricity-transmitting property and low rolling resistance is applied, with excellent conductivity.Type: GrantFiled: November 27, 2018Date of Patent: January 4, 2022Inventors: Ji Wan Lee, Mi Jung Lee, Sung Tae Kim, Kil Ju Ko, Il Yong Park, Su Hong Sung
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Publication number: 20210162809Abstract: The present invention relates to a tire including a fabric strip, and the tire includes a fabric strip in a belt layer, the fabric strip including a plurality of warps arranged in parallel to one another and wefts arranged to weave the warps. The tire according to the invention is advantageous in that the production process is simplified, the production cost required during the production process is lowered, the weight of the tire is reduced, and the fuel efficiency is increased when a car using the tire of the invention is driven, by reducing the resistance to rolling.Type: ApplicationFiled: November 2, 2020Publication date: June 3, 2021Inventors: Kil Ju Ko, Mi Jung Lee, Hyun Ran Cho, Hae Kwang Chung
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Publication number: 20190193465Abstract: Provided are a sheet, a method of its preparation, and a tire comprising the sheet, wherein the sheet comprises tire cords, a topping rubber for topping the tire cords, and a conductive fiber located on the surface of the topping rubber. The sheet can provide tires, on which a rubber composition with a low electricity-transmitting property and low rolling resistance is applied, with excellent conductivity.Type: ApplicationFiled: November 27, 2018Publication date: June 27, 2019Inventors: Ji Wan LEE, Mi Jung LEE, Sung Tae KIM, Kil Ju KO, Il Yong PARK, Su Hong SUNG
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Patent number: 10266009Abstract: Disclosed are a hybrid cord produced by plying and twisting high modulus yarns and polyamide monofilaments, and a tire including the same. More specifically, disclosed is a method of producing a hybrid cord having a clear core-covering structure including a core comprising a polyamide monofilament and a covering spirally twisted around the core and comprising a high modulus yarn. The hybrid cord can clearly control the modulus ratio in each area, improving production efficiency of the cord and processability of the tire and reducing deviations of uniformity and driving performance. In addition, the tire using the hybrid cord reduces tire deformation during driving, thus satisfying both driving performance and comfort.Type: GrantFiled: January 18, 2017Date of Patent: April 23, 2019Assignee: HANKOOK TIRE CO., LTD.Inventors: Ji Wan Lee, Kil Ju Ko, Sung Tae Kim, Hyun Ran Cho, Il Yong Park
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Publication number: 20170210168Abstract: Disclosed are a hybrid cord produced by plying and twisting high modulus yarns and polyamide monofilaments, and a tire including the same. More specifically, disclosed is a method of producing a hybrid cord having a clear core-covering structure including a core comprising a polyamide monofilament and a covering spirally twisted around the core and comprising a high modulus yarn. The hybrid cord can clearly control the modulus ratio in each area, improving production efficiency of the cord and processability of the tire and reducing deviations of uniformity and driving performance. In addition, the tire using the hybrid cord reduces tire deformation during driving, thus satisfying both driving performance and comfort.Type: ApplicationFiled: January 18, 2017Publication date: July 27, 2017Inventors: Ji Wan Lee, Kil Ju Ko, Sung Tae Kim, Hyun Ran Cho, II Yong Park
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Patent number: 9387726Abstract: The present invention relates to an airless tire, and includes first and second bands that face each other with a distance interposed therebetween, a plurality of spokes that connect the first band to the second band and are provided at intervals, and first and second connecting members that connect the adjacent spokes. The spoke includes a first member of which one end is curved from the first band toward the second band, and a second member of which one end is curved from the second band toward the first band. The other ends of the first and second members are connected to each other, and the first and second members are curved in opposite directions.Type: GrantFiled: June 19, 2013Date of Patent: July 12, 2016Assignee: HANKOOK TIRE CO., LTD.Inventors: Seok Ju Choi, Hak Joo Kim, Man Seop Kim, Kil Ju Ko, Ki Ho Kang, Yoon Jin Choi
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Patent number: 9333799Abstract: Disclosed herein is a non-pneumatic tire with a reinforcing member. The non-pneumatic tire includes a tread part which comes into contact with the ground, a rim part which is coupled to an axle, an outer annular band part which forms an interface with an inner surface of the tread part, an inner annular band part which forms an interface with the rim part, a spoke part which is disposed between the outer annular band part and the inner annular band part and functions as a support, a connector which connects spokes of the spoke part to each other, and a reinforcing member which has a plate wire structure. The non-pneumatic tire can effectively and sufficiently withstand the weight of a vehicle. Further, the performance of the tire is balanced with respect to the contact area, the displacement extent and the resistance to rolling.Type: GrantFiled: July 30, 2013Date of Patent: May 10, 2016Assignee: Hankook Tire Co., Ltd.Inventors: Seok Ju Choi, Hak Joo Kim, Man Seop Kim, Kil Ju Ko, Ki Ho Kang
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Patent number: 9290053Abstract: A non-pneumatic tire for a vehicle is disclosed. The non-pneumatic tire includes a tread, a rim part, inside and outside annular bands, a spoke member, and a pair of protective films. The tread comes into contact with a road surface. The rim part is connected to the axle of a vehicle. The inside and outside annular bands are disposed between the tread and the rim part, and are coaxially spaced apart from each other. The spoke member includes supports disposed in a predetermined pattern and configured to connect the inside and outside annular bands, and openings defined by the supports. The pair of protective films are disposed at both ends of the tire in the widthwise direction of the tire, and prevents foreign substances from infiltrating into the openings of the spoke member. The protective films are made of the same material as the spoke member and integrated with the spoke member.Type: GrantFiled: October 23, 2014Date of Patent: March 22, 2016Assignee: Hankook Tire Co., Ltd.Inventors: Seok Ju Choi, Hak Joo Kim, Man Seop Kim, Kil Ju Ko, Ki Ho Kang
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Publication number: 20150122382Abstract: A non-pneumatic tire for a vehicle is disclosed. The non-pneumatic tire includes a tread, a rim part, inside and outside annular bands, a spoke member, and a pair of protective films. The tread comes into contact with a road surface. The rim part is connected to the axle of a vehicle. The inside and outside annular bands are disposed between the tread and the rim part, and are coaxially spaced apart from each other. The spoke member includes supports disposed in a predetermined pattern and configured to connect the inside and outside annular bands, and openings defined by the supports. The pair of protective films are disposed at both ends of the tire in the widthwise direction of the tire, and prevents foreign substances from infiltrating into the openings of the spoke member. The protective films are made of the same material as the spoke member and integrated with the spoke member.Type: ApplicationFiled: October 23, 2014Publication date: May 7, 2015Inventors: Seok Ju CHOI, Hak Joo KIM, Man Seop KIM, Kil Ju KO, Ki Ho KANG
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Publication number: 20140238561Abstract: Disclosed herein is a non-pneumatic tire with a reinforcing member. The non-pneumatic tire includes a tread part which comes into contact with the ground, a rim part which is coupled to an axle, an outer annular band part which forms an interface with an inner surface of the tread part, an inner annular band part which forms an interface with the rim part, a spoke part which is disposed between the outer annular band part and the inner annular band part and functions as a support, a connector which connects spokes of the spoke part to each other, and a reinforcing member which has a plate wire structure. The non-pneumatic tire can effectively and sufficiently withstand the weight of a vehicle. Further, the performance of the tire is balanced with respect to the contact area, the displacement extent and the resistance to rolling.Type: ApplicationFiled: July 30, 2013Publication date: August 28, 2014Applicant: HANKOOK TIRE CO., LTD.Inventors: Seok Ju CHOI, Hak Joo KIM, Man Seop KIM, Kil Ju KO, Ki Ho KANG
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Publication number: 20140000777Abstract: The present invention relates to an airless tire, and includes first and second bands that face each other with a distance interposed therebetween, a plurality of spokes that connect the first band to the second band and are provided at intervals, and first and second connecting members that connect the adjacent spokes. The spoke includes a first member of which one end is curved from the first band toward the second band, and a second member of which one end is curved from the second band toward the first band. The other ends of the first and second members are connected to each other, and the first and second members are curved in opposite directions.Type: ApplicationFiled: June 19, 2013Publication date: January 2, 2014Inventors: Seok Ju CHOI, Hak Joo KIM, Man Seop KIM, Kil Ju KO, Ki Ho KANG, Yoon Jin CHOI