Patents by Inventor Eun Chang CHUN
Eun Chang CHUN 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: 11235624Abstract: A tire includes a reinforcing rib formed on a groove to prevent irregular wear of a tread and including an auxiliary hidden groove formed in the groove to enhance capabilities of water absorption and drainage of the tire even when the reinforcing rib is formed on the groove. The tire can include a reinforcing rib coupled to a first sidewall, which is one of both sidewalls forming the groove, and protruding toward the groove from the first sidewall, a hidden groove formed in one portion of a second sidewall which is the other of the sidewalls forming the groove, and a remaining tread part protruding toward the groove from a side surface of the hidden groove, the remaining tread part being the other portion of the second sidewall.Type: GrantFiled: November 19, 2018Date of Patent: February 1, 2022Assignee: Hankook Tire Co., Ltd.Inventors: Hae In Jeon, Eun Chang Chun, Ha Eun Koog
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Patent number: 11007825Abstract: A tire that can attach and detach and that can prevent splash when running a wet road and cool discharging a heat is provided. The tire having a tread and a shoulder portion connected to the tread includes a protector portion provided in a circumferential direction at a side surface of the shoulder portion and in which a plurality of penetration portions are formed at a predetermined gap in a length direction; a plurality of protruding portions provided in the protector portion and formed at a predetermined gap in a length direction of the protector portion; and a plurality of installation grooves formed at a side surface of the shoulder portion such that the protruding portion attaches or detaches when the protruding portion enters or discharges.Type: GrantFiled: January 2, 2018Date of Patent: May 18, 2021Assignee: HANKOOK TIRE CO., LTD.Inventors: Eun Chang Chun, Yong Keun Kim, Myeong Rak Choi
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Publication number: 20190329600Abstract: A tire includes a reinforcing rib formed on a groove to prevent irregular wear of a tread and including an auxiliary hidden groove formed in the groove to enhance capabilities of water absorption and drainage of the tire even when the reinforcing rib is formed on the groove. The tire can include a reinforcing rib coupled to a first sidewall, which is one of both sidewalls forming the groove, and protruding toward the groove from the first sidewall, a hidden groove formed in one portion of a second sidewall which is the other of the sidewalls forming the groove, and a remaining tread part protruding toward the groove from a side surface of the hidden groove, the remaining tread part being the other portion of the second sidewall.Type: ApplicationFiled: November 19, 2018Publication date: October 31, 2019Applicant: Hankook Tire Co., Ltd.Inventors: Hae In Jeon, Eun Chang Chun, Ha Eun Koog
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Publication number: 20190263185Abstract: The present invention relates to a pneumatic tire, and more particularly, to a pneumatic tire having an improved decoupling groove in a shoulder. The pneumatic tire including a tread (100), a sidewall (200), and a bead (300) includes one or more side ring decoupling grooves (400) formed along the circumference of the tire at an upper portion of the sidewall (200), and the side ring decoupling grooves (400) are formed in a direction parallel with the ground coming into contact with the tire while the tire runs.Type: ApplicationFiled: November 20, 2018Publication date: August 29, 2019Inventors: Sung Chul LEE, Eun Chang CHUN, Jung Hee CHOI, Chang Hyo HONG
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Publication number: 20180186195Abstract: A tire that can attach and detach and that can prevent splash when running a wet road and cool discharging a heat is provided. The tire having a tread and a shoulder portion connected to the tread includes a protector portion provided in a circumferential direction at a side surface of the shoulder portion and in which a plurality of penetration portions are formed at a predetermined gap in a length direction; a plurality of protruding portions provided in the protector portion and formed at a predetermined gap in a length direction of the protector portion; and a plurality of installation grooves formed at a side surface of the shoulder portion such that the protruding portion attaches or detaches when the protruding portion enters or discharges.Type: ApplicationFiled: January 2, 2018Publication date: July 5, 2018Applicant: HANKOOK TIRE CO., LTD.Inventors: Eun Chang Chun, Yong Keun Kim, Myeong Rak Choi
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Patent number: 9862236Abstract: Provided is a pneumatic tire which can fundamentally prevent the phenomenon in which cracks are generated in the bottoms of grooves and the areas where the side walls of blocks meet the bottoms of grooves, can suppress irregular abrasion of the tread, can enhance the overall rigidity of the tread, and can also enhance the drainage performance. The pneumatic tire of the invention includes a tread, side walls and bead sections, with a large number of blocks compartmentalized by grooves being formed on the surface of the tread, and also includes reinforcing ribs that are positioned inside a groove and have their lower parts joined with the bottom of the groove, with one lateral surface of a reinforcing rib and one side wall of the groove being in contact.Type: GrantFiled: November 5, 2013Date of Patent: January 9, 2018Assignee: HANKOOK TIRE CO., LTD.Inventors: Eun Chang Chun, Seong Jun Park
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Publication number: 20140138001Abstract: Provided is a pneumatic tire which can fundamentally prevent the phenomenon in which cracks are generated in the bottoms of grooves and the areas where the side walls of blocks meet the bottoms of grooves, can suppress irregular abrasion of the tread, can enhance the overall rigidity of the tread, and can also enhance the drainage performance. The pneumatic tire of the invention includes a tread, side walls and bead sections, with a large number of blocks compartmentalized by grooves being formed on the surface of the tread, and also includes reinforcing ribs that are positioned inside a groove and have their lower parts joined with the bottom of the groove, with one lateral surface of a reinforcing rib and one side wall of the groove being in contact.Type: ApplicationFiled: November 5, 2013Publication date: May 22, 2014Applicant: HANKOOK TIRE CO., LTD.Inventors: Eun Chang CHUN, Seong Jun PARK