Patent classifications
E
FIXED CONSTRUCTIONS
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E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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E01B
PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
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29/00
Laying, rebuilding, or taking-up tracks; Tools or machines therefor
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E01B29/42
Undetachably joining or fastening track components in or on the track, e.g. by welding, by gluing; Pre-assembling track components by gluing; Sealing joints with filling components
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E01B29/44
Methods for effecting joining of rails in the track, e.g. taking account of ambient temperature
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