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公开(公告)号：US20180215655A1
公开(公告)日：2018-08-02
申请号：US15885572
申请日：2018-01-31
Applicant: LG ELECTRONICS INC.
Inventor： Namjin KIM , Youngseok Kim , Yunsung Kim
CPC classification number: C03C8/14 , C03B1/00 , C03B27/028 , C03C3/064 , C03C3/066 , C03C4/20 , C03C8/08 , C03C8/16 , C03C2207/00 , C03C2207/02 , F24C15/005
Abstract: A glass composition formed of a glass frit including P2O5, SiO2, B2O3, Al2O3, ZrO2 and group I-based oxide, wherein P2O5 is contained in an amount of 20 wt % to 40 wt % based on a total weight of the glass frit, SiO2 is contained in an amount of to wt % to 30 wt % based on the total weight of the glass frit, B2O3 is contained in an amount of 3 wt % to 20 wt % based on the total weight of the glass frit, Al2O3 is contained in an amount of 7 to 24 wt % based on the total weight of the glass frit, ZrO2 is contained in an amount of 1 wt % to 7 wt % based on the total weight of the glass frit, and the group I-based oxide is contained in an amount of 7 wt % to 28 wt % based on the total weight of the glass frit.
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公开(公告)号：US20180194165A1
公开(公告)日：2018-07-12
申请号：US15740794
申请日：2015-07-08
Applicant: LG ELECTRONICS INC.
Inventor： Jiho MIN , Keunyoung PARK , Namjin KIM , Eulpyo HONG , Taebum KWON
CPC classification number: B60B19/003 , B25J5/007 , B60B19/14 , B60B33/0021 , B60B2900/551
Abstract: The present invention relates to an omnidirectionally moving wheel and a robot using the same, and the omnidirectionally moving wheel comprises: a cylindrical body of which both ends are opened; inner wheels, each of which have at least a part accommodated in the body, and which are respectively fixed at the both open ends of the body so as to rotate around a first rotating axis; an outer wheel provided on the outside of the body and rotating around a second rotating axis, which intersects the first rotating axis, wherein the outermost points of the inner wheels and the outer wheel are formed at the same distance from the center of the body.
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