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公开(公告)号：US20240009584A1
公开(公告)日：2024-01-11
申请号：US18267090
申请日：2021-12-10
申请人： Yoon SUNWOO
发明人： Yoon SUNWOO
CPC分类号： A63H18/026 , A63H30/04
摘要： The present invention discloses a car racing system includes: a lane configured for car racing: a car includes: a first magnet for attracting a second magnet; the second magnet configured at one end of a second locking device so that the second locking device operates while being attracted by the first magnet; the second locking device for releasing a first locking device by that the second magnet is attracted to the first magnet; the first locking device for operating the car to be lifted and be departed from the lane by being released by the second locking device; and a remote controller for controlling the car.
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2.发明申请公开(公告)号：US20220288818A1
公开(公告)日：2022-09-15
申请号：US17635690
申请日：2019-08-19
申请人： Yoon SUNWOO
发明人： Yoon SUNWOO
摘要： A method of manufacturing a toy using a model frame in liquid includes: filling a water tank; dissolving calcium chloride, a powder component, into the water filled in the water tank; wherein the amount of calcium chloride is determined in anticipation of the degree of gelation by chemical action with sodium alginate, filling a liquid paint to the model frame; wherein the liquid paint is comprised water 96 wt. %, CNC 0.99 wt. %, sodium alginate 3 wt. %, luminous material 0.01 wt. % or water 91 wt. %, CNC 1 wt. %, sodium alginate 3 wt. %, shiny material 5 wt. % or water 96 wt. %, CNC 0.99 wt. %, sodium alginate 3 wt. %, color conversion material 0.01 wt. %; immersing the model frame filled with the liquid paint in the water tank; solidifying and shrinking the liquid paint filled in the model frame immersed in the water tank; and shaking the model frame.
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