US 12,258,071 B2
Method for manufacturing lightweight cowl crossbar
Jae Hyun An, Seosan-si (KR); In Soo Han, Uiwang-si (KR); Hee Seok Kim, Yongin-si (KR); Il Sang Kim, Hwaseong-si (KR); Ik Jin Jung, Hwaseong-si (KR); Kyeong Hoon Jang, Seoul (KR); Young Jin You, Yongin-si (KR); Sang Hyeon Park, Seoul (KR); Wook Hee Lee, Seoul (KR); Yong Woo Jung, Seoul (KR); Ik Keun Choi, Yongin-si (KR); and Young Chan Cho, Yongin-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); KIA MOTORS CORPORATION, Seoul (KR); LG HAUSYS, LTD., Seoul (KR); and HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); KIA MOTORS CORPORATION, Seoul (KR); LG HAUSYS, LTD., Seoul (KR); and HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed on Dec. 21, 2020, as Appl. No. 17/129,265.
Claims priority of application No. 10-2020-0084666 (KR), filed on Jul. 9, 2020.
Prior Publication US 2022/0009556 A1, Jan. 13, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B62D 25/08 (2006.01); B29C 48/00 (2019.01); B29C 48/09 (2019.01); B29C 48/88 (2019.01); B29C 70/22 (2006.01); B62D 29/04 (2006.01); B29K 23/00 (2006.01); B29L 31/30 (2006.01)
CPC B62D 25/081 (2013.01) [B29C 48/0021 (2019.02); B29C 48/09 (2019.02); B29C 48/9115 (2019.02); B29C 70/222 (2013.01); B62D 29/043 (2013.01); B29K 2023/12 (2013.01); B29L 2031/3055 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A lightweight cowl crossbar comprising:
an inner pipe located inside a cowl crossbeam;
a winding layer formed along an outer surface of the inner pipe, wherein an uneven section of the winding layer is planarized using a drawing machine; and
an outer pipe located on an upper surface of the winding layer,
wherein the cowl crossbeam includes;
a first cowl crossbeam and a second cowl crossbeam,
a support leg located on the second cowl crossbeam, and
a drawing block part including an absorption member and configured to surround the outer pipe of the first cowl crossbeam in a region where the first cowl crossbeam and the second cowl crossbeam overlap each other,
wherein the support leg is configured to be fastened to the first cowl crossbeam integrally with the second cowl crossbeam, and one surface of the support leg includes a hollow part, and
wherein the absorption member has a hollow shape corresponding to the hollow part.