COMPOSITE TIE Russian patent published in 2005 - IPC

FIELD: railway transport; permanent way.

SUBSTANCE: invention relates to wood-working industry and it can be used on stationary and temporary tracks. Proposed composite tie is made up of two solid wooden bars with three blind holes for thread in each bar interconnected in horizontal plane by three round wooden pegs with left-hand and right-hand thread on ends. Solid wooden bar and one end of round wooden peg in its threaded part are connected by stop wooden bushing. Cross-section of bar corresponds to cross-section of solid bar tie. Invention provides reduction of expenditure of large-size wood, improves condition of track ballast layer, reduces cost of ballast tamping, improved track characteristics, increases service life of its and provides possibility of use of logs of length up to 1 m.

EFFECT: reduced cost of track laying.

1 tbl, 6 dwg