US 11,787,102 B2
Coupler for air suspension and apparatus and method for manufacturing the same
Kang Won Seo, Yongin-si (KR); Chang Ho Cho, Yongin-si (KR); and Jong Hoon Kim, Daegu (KR)
Assigned to HYUNDAI MOBIS CO., LTD., Seoul (KR); and SUNJIN CO., LTD., Daegu (KR)
Filed by HYUNDAI MOBIS CO., LTD., Seoul (KR); and SUNJIN CO., LTD., Daegu (KR)
Filed on Sep. 28, 2021, as Appl. No. 17/487,392.
Claims priority of application No. 10-2020-0126060 (KR), filed on Sep. 28, 2020.
Prior Publication US 2022/0097290 A1, Mar. 31, 2022
Int. Cl. B29C 43/28 (2006.01); B29C 53/58 (2006.01); B29C 65/78 (2006.01); B29C 63/00 (2006.01); B29C 53/84 (2006.01)
CPC B29C 53/581 (2013.01) [B29C 53/583 (2013.01); B29C 53/845 (2013.01); B29C 63/0069 (2013.01); B29C 65/7841 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A method of manufacturing a coupler for an air suspension, the method comprising:
preparing a topping cord sheet and a rubber band;
disposing the rubber band on an inner surface of a mold;
disposing the topping cord sheet on the inner surface of the mold to cover and the rubber band;
pressing the topping cord sheet in a direction in which an outer circumferential surface of the topping cord sheet comes into contact with an inner surface of the rubber band; and
vulcanizing, in a vulcanization unit, an intermediately formed body made by the connecting of the topping cord sheet and the rubber band to each other.