F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
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F16L
PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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F16L1/00
Laying or reclaiming pipes; Repairing or joining pipes on or under water
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F16L1/12
Laying or reclaiming pipes on or under water
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F16L1/16
on the bottom
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F16L1/18
the pipes being S- or J-shaped and under tension during laying
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