ATTACHMENT FOR CONNECTION OF PIPE WITH BEARING STRUCTURE AND TANK FOR TRANSFER AND STORE WITH SUCH ATTACHMENT Russian patent published in 2014 - IPC F16B9/00 B65D77/00 

FIELD: machine building.

SUBSTANCE: attachment for connection of pipe with bearing structure, particularly, with horizontal pipe of grate box connected with transfer pan accommodating tank with fluid. Note here that to make said attachment, the pipe has flattened attachment section with set orifice to receive fastening bolt connecting said attachment section with bearing structure. Set orifice has the edge arranged to make attachment section jointed with bearing structure. Said edge has the surface for application of force between bolt head and attachment section inclined to attachment surface. Hole edge has wall made of circular web directed toward attachment axis. Said web represents the surface of bolt head abutment in the plane of force application. Said abutment surface is formed by indented edge made at hole edge by circular web base and having elevation extending beyond hole adjacent edge. Attachment section has the hole S-like edge in cross-section crossing said set hole.

EFFECT: decreased stress at bolt head owing to load-carrying ability of hole edge.

5 cl, 6 dwg