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公开(公告)号：US20220403984A1
公开(公告)日：2022-12-22
申请号：US17777701
申请日：2020-11-18
发明人： Dae Gun KIM , Kyo Min LEE , Young Koan KO , You Jung LEE , Won Young KIM
摘要： The present invention discloses a knob cap for a high-pressure tank including a first knob cap portion having a coupling groove coupled to a knob of a liner of the high-pressure tank in a lower surface, including a peripheral wing portion extending outward to be in contact with a surface of the liner to outside of a lower portion, and having a column portion in the shape of a column extending upward in a center; and a second knob cap portion integrally coupled with the first knob cap portion, having the column portion of the first knob cap portion inserted into a hollow, and including a plurality of inner grooves in the shape of a column having an upper end opened outside of the hollow and extending downward.
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公开(公告)号：US20230003347A1
公开(公告)日：2023-01-05
申请号：US17777710
申请日：2020-11-18
发明人： Dae Gun KIM , Kyo Min LEE , Young Koan KO , You Jung LEE , Won Young KIM
IPC分类号： F17C13/06
摘要： The present invention relates to a knob cap for a high-pressure tank including a coupling groove portion corresponding to a knob of a liner of the high-pressure tank formed in a lower surface of a body; a peripheral wing portion extending outward in a lower end of an outer circumferential surface of the body to be in contact with a surface of the liner; and a thickness conversion portion formed in the outer circumferential surface of the body to change a thickness between a center line and the outer circumferential surface.
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