公开(公告)号：US10267440B2

公开(公告)日：2019-04-23

申请号：US15248764

申请日：2016-08-26

申请人： HDR, INC.

发明人： John R. Plattsmier ,  Matthew J. Duffy

IPC分类号： B23K31/02 ,  F16L13/02 ,  B23K101/10 ,  B23K101/06

摘要： An apparatus and method for reinforcing a welded-lap pipe joint includes a first pipe segment having a bell-end presenting a receptacle, a spigot-end of a second pipe segment extending into and welded to the bell-end receptacle to form a welded-lap joint, and a bell-shaped reinforcing sleeve surrounding the welded-lap joint. In exemplary embodiments the reinforcing sleeve is welded to the first or second pipe segments. Also disclosed are a method of assembling a reinforced welded-lap pipe joint.

公开(公告)号：US10975990B2

公开(公告)日：2021-04-13

申请号：US16374328

申请日：2019-04-03

申请人： HDR, INC.

发明人： John R. Plattsmier ,  Matthew J. Duffy

IPC分类号： B23K9/00 ,  F16L13/02 ,  B23K31/02 ,  B23K101/10 ,  B23K101/06

摘要： An apparatus and method for reinforcing a welded-lap pipe joint includes a first pipe segment having a bell-end presenting a receptacle, a spigot-end of a second pipe segment extending into and welded to the bell-end receptacle to form a welded-lap joint, and a bell-shaped reinforcing sleeve surrounding the welded-lap joint. In exemplary embodiments the reinforcing sleeve is welded to the first or second pipe segments. Also disclosed are a method of assembling a reinforced welded-lap pipe joint.