公开(公告)号：US20210229214A1

公开(公告)日：2021-07-29

申请号：US17209776

申请日：2021-03-23

申请人： LG ELECTRONICS INC. ,  UNIST ACADEMY-INDUSTRY RESEARCH CORPORATION

发明人： Wonyeong JUNG ,  Deokhyun YOUN ,  Jangseok LEE ,  Hyungson KI

IPC分类号： B23K26/08 ,  F25D23/06 ,  B23K37/04 ,  B23K26/12 ,  B23K26/20 ,  B23K26/28 ,  B23K26/244

摘要： A refrigerator includes a vacuum adiabatic body including a conductive resistance sheet providing a vacuum space that has a temperature between a temperature of an internal space and a temperature of an external space and is in a vacuum state, the conductive resistance sheet capable of resisting heat conduction between a first plate and a second plate, wherein at least one of the conductive resistance sheet and each of the first and second plates are welded to each other to create a welding part, wherein a plurality of regular beads are provided to a surface of the welding part, and wherein the plurality of regular beads includes: a parabolic inflection region provided at a center portion; linear regions respectively provided at both outsides of the inflection region; and edge regions respectively provided at outsides of the linear regions.

公开(公告)号：US20240139868A1

公开(公告)日：2024-05-02

申请号：US18409466

申请日：2024-01-10

申请人： LG Electronics Inc. ,  UNIST ACADEMY-INDUSTRY RESEARCH CORPORATION

发明人： Wonyeong JUNG ,  Deokhyun YOUN ,  Jangseok LEE ,  Hyungson KI

IPC分类号： B23K26/08 ,  B23K26/12 ,  B23K26/20 ,  B23K26/244 ,  B23K26/28 ,  B23K37/04 ,  F25D23/06

CPC分类号： B23K26/08 ,  B23K26/123 ,  B23K26/127 ,  B23K26/206 ,  B23K26/244 ,  B23K26/28 ,  B23K37/0435 ,  F25D23/06 ,  B23K2101/12 ,  F25D2201/14 ,  F25D2500/02

摘要： A refrigerator includes a vacuum adiabatic body including a conductive resistance sheet providing a vacuum space that has a temperature between a temperature of an internal space and a temperature of an external space and is in a vacuum state, the conductive resistance sheet capable of resisting heat conduction between a first plate and a second plate, wherein at least one of the conductive resistance sheet and each of the first and second plates are welded to each other to create a welding part, wherein a plurality of regular beads are provided to a surface of the welding part, and wherein the plurality of regular beads includes: a parabolic inflection region provided at a center portion; linear regions respectively provided at both outsides of the inflection region; and edge regions respectively provided at outsides of the linear regions.

公开(公告)号：US20180326535A1

公开(公告)日：2018-11-15

申请号：US15771186

申请日：2016-08-02

申请人： UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) ,  LG ELECTRONICS INC.

发明人： Wonyeong JUNG ,  Deokhyun YOUN ,  Jangseok LEE ,  Hyungson KI

IPC分类号： B23K26/08 ,  B23K26/12 ,  B23K26/20 ,  B23K26/244 ,  B23K26/28 ,  B23K37/04 ,  F25D23/06

CPC分类号： B23K26/08 ,  B23K26/123 ,  B23K26/127 ,  B23K26/206 ,  B23K26/244 ,  B23K26/28 ,  B23K37/0435 ,  B23K2101/12 ,  F25D23/06 ,  F25D2201/14 ,  F25D2500/02

摘要： A refrigerator includes a vacuum adiabatic body including a conductive resistance sheet providing a vacuum space that has a temperature between a temperature of an internal space and a temperature of an external space and is in a vacuum state, the conductive resistance sheet capable of resisting heat conduction between a first plate and a second plate, wherein at least one of the conductive resistance sheet and each of the first and second plates are welded to each other to create a welding part, wherein a plurality of regular beads are provided to a surface of the welding part, and wherein the plurality of regular beads includes: a parabolic inflection region provided at a center portion; linear regions respectively provided at both outsides of the inflection region; and edge regions respectively provided at outsides of the linear regions.