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F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
F16L1/038—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being made in situ
FR809491D1935-11-271935-11-27
Equipment for the construction of monolithic concrete pipes, reinforced or not
ExpiredFR809491A
(en)