F16LLevel 3

PIPES

**Definition:** This place covers:

GET/api/v1/systems/patent_cpc/nodes/F16L

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F16L 1/00Laying or reclaiming pipes

F16L 11/00Hoses, i.e. flexible pipes

F16L 13/00Pipe joints

F16L 15/00Screw-threaded joints

F16L 17/00Joints with packing adapted to sealing by fluid pressure

F16L 19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts

F16L 21/00Joints with sleeve or socket

F16L 2101/00Indexing scheme associated with groups

F16L 2201/00Indexing scheme associated with main groups

F16L 23/00Flanged joints

F16L 25/00Construction or details of pipe joints not provided for in, or of interest apart from, groups

F16L 27/00Adjustable joints

F16L 29/00Joints with fluid cut-off means

F16L 3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets

F16L 31/00Arrangements for connecting hoses to one another or to flexible sleeves

F16L 33/00Arrangements for connecting hoses to rigid members

F16L 35/00Special arrangements used in connection with end fittings of hoses, e.g. safety or protecting devices

F16L 37/00Couplings of the quick-acting type

F16L 39/00Joints or fittings for double-walled or multi-channel pipes or pipe assemblies

F16L 41/00Branching pipes

F16L 43/00Bends

F16L 45/00Pipe units with cleaning aperture and closure therefor

F16L 47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics

F16L 49/00Connecting arrangements, e.g. joints, specially adapted for pipes of brittle material, e.g. glass, earthenware

F16L 5/00Devices for use where pipes, cables or protective tubing pass through walls or partitions

F16L 51/00Expansion-compensation arrangements for pipe-lines

F16L 53/00Heating of pipes or pipe systems

F16L 55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems

F16L 57/00Protection of pipes or objects of similar shape against external or internal damage or wear

F16L 58/00Protection of pipes or pipe fittings against corrosion or incrustation

F16L 59/00Thermal insulation in general

F16L 7/00Supporting pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic

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