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PCE
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DIFF Subgroup
E01B 31/26

Inserting or removing inserts or fillings for holes in sleepers, e.g. plugs, sleeves

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor > Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting > Inserting or removing inserts or fillings for holes in sleepers, e.g. plugs, sleeves

CPC:

Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (characterised by features independent of use on assembled track B21, B23 - B25, B27) > Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting (working metal sleepers E01B31/02) > Inserting or removing inserts or fillings for holes in sleepers, e.g. plugs, sleeves

No child classifications to compare. This is a leaf node in both IPC and CPC.