IPC 6 English version F16L !A-F16L 9/22

F16L-F16L00922

SECTION F– MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F 16

ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F 16 L

PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL

Notes

(1)

In this subclass, the following terms are used with the meanings indicated:

–

"pipe" means a conduit of closed cross-section, which is specially adapted to convey fluids, materials or objects;

–

"hose" means a pipe, as defined above, which has flexibility as an essential characteristic. [5]

(2)

Attention is drawn to the following places:

A 61 M 39/00

Tube connectors, tube couplings or branch units, specially adapted for medical use

B 05 B 1/20

Perforated pipes

B 63 B 35/03

Pipe-laying vessels

B 64 D 39/04

Adaptation of hose constructions for refuelling aircraft during flight

B 67 D 5/36

Arrangements of hoses in apparatus for transferring liquids, e.g. fuel, from bulk to vehicles or portable containers

E 01 D 19/10

Fastening of pipes or cables to bridges

E 03 B

Water supply installations

E 03 D 11/17

Means for connecting water-closet bowls to the flushing pipe

E 03 D 11/18

Siphons for water-closets

E 03 F 3/04

Pipes or fittings specially adapted to sewers

E 04 D 13/08

Down pipes for roof drainage; Clamping means therefor

E 04 F 17/00

Vertical ducts, channels in buildings, e.g. chimneys

E 21 F 1/04

Air ducts for ventilation of mines or tunnels; Connections therefor

E 21 F 17/02

Suspension devices for tubes or the like in mines or tunnels

F 01 N

Gas flow silencers or exhaust apparatus for machines or engines

F 16 N 21/00

Conduits, junctions for lubrication systems

F 17 C 3/02

Thermal insulation of vessels not under pressure for storing liquified or solidified gases, e.g. Dewar flask

F 22 B 37/10

Water tubes of steam boilers

F 23 J 13/04

Joints, connections for chimneys or flues

F 24 H 9/12

Connecting circulation pipes to heaters

F 28 F 9/04

Arrangements for sealing elements into header boxes or end plates of heat-exchangers

G 21 C 15/22

Structural association of coolant tubes with headers or other pipes in nuclear reactors

H 02 G 3/04

Protective tubing or conduits for electric cables

H 02 G 3/26

Installations of electric cables or lines, or protective tubing on or in walls, ceilings or floors.

Laying or reclaiming pipes; Repairing or joining pipes on or under water (soldering or welding B 23 K; lifting-gear and load-engaging elements B 66; hydraulic installations, soil drainage E 02 B; excavations or underwater constructions E 02 D; machines for digging trenches in combination with pipe-assembly E 02 F; laying sewer pipes E 03 F 3/06; in earth boreholes or wells E 21 B; tunnelling E 21 D; laying electric, or combined optical and electric, cables H 02 G; making special pipe joints, see the relevant groups for the joints) [2,5,6]

024

Laying or reclaiming pipes on land, e.g. above the ground (F 16 L 1/12 takes precedence) [5]

026

in or on a frozen surface [6]

028

in the ground (F 16 L 1/026 takes precedence) [5,6]

032

the pipes being continuous (F 16 L 1/038 takes precedence) [5,6]

036

the pipes being composed of sections of short length (F 16 L 1/038 takes precedence) [5,6]

038

the pipes being made in situ [6]

Accessories therefor, e.g. anchors [5]

(transferred to F 16 L 1/09, F 16 L 1/11, covered by F 16 L 1/06)

for bringing two tubular members closer to each other [6]

for aligning [5]

for the detection or protection of pipes in the ground [6]

Laying or reclaiming pipes on or under water (buoyant hoses F 16 L 11/133) [5]

between the surface and the bottom [5]

vertically [6]

on the bottom [5]

the pipes being S- or J-shaped and under tension during laying [5]

the pipes being J-shaped [6]

Accessories therefor, e.g. floats, weights (buoys B 63 B 22/00) [5]

(covered by F 16 L 1/20)

225

Stingers [6]

Pipe tensioning apparatus [6]

235

Apparatus for controlling the pipe during laying [6]

Floats; Weights [5]

Repairing or joining pipes on or under water (buoyant hoses F 16 L 11/133; joints per se F 16 L 13/00 to F 16 L 49/00) [5]

Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets (anchors for holding pipes on or under the ground F 16 L 1/06) [5]

for supporting or guiding the pipes, cables or protective tubing, between relatively movable points, e.g. movable channels (hauling- or hoisting-chains with arrangements for holding electric cables, hoses or the like F 16 G 13/16) [5]

015

using articulated- or supple-guiding elements (arrangements for cranes of means for transmitting pneumatic, hydraulic or electric power to movable parts or devices B 66 C 13/12) [6]

partly surrounding the pipes, cables or protective tubing (bands or chains F 16 L 3/14)

and pressing it against a wall or other support

with supports for wires

substantially surrounding the pipe, cable or protective tubing

divided, i.e. with two members engaging the pipe, cable or protective tubing

and hanging from a pendant (F 16 L 3/14 takes precedence) [5]

comprising a member substantially surrounding the pipe, cable or protective tubing

123

and extending along the attachment surface [5]

127

and extending away from the attachment surface [5]

and engaging it by snap action [5]

133

and hanging from a pendant (F 16 L 3/14 takes precedence) [5]

137

and consisting of a flexible band [5]

Hangers in the form of bands or chains

with special provision allowing movement of the pipe (F 16 L 3/01 takes precedence; supporting pipes or cables inside other pipes or sleeves F 16 L 7/00) [5]

allowing movement in axial direction

allowing movement in transverse direction

202

the transverse movement being converted to a rotational movement (F 16 L 3/215 takes precedence) [6]

205

having supporting springs [5]

providing constant supporting spring force [5]

215

the movement being hydraulically or electrically controlled [5]

217

hydraulically [6]

specially adapted for supporting a number of parallel pipes at intervals [6]

223

each support having one transverse base for supporting the pipes (F 16 L 3/23, F 16 L 3/237 take precedence) [6]

227

each pipe being supported by a separate element fastened to the base [6]

for a bundle of pipes or a plurality of pipes placed side by side in contact with each other (F 16 L 3/237 takes precedence) [6]

233

by means of a flexible band [6]

237

for two pipes [6]

with special member for attachment to profiled girders

specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts [6]

Devices for use where pipes, cables or protective tubing pass through walls or partitions (arrangements for leading electric cables or lines through walls, floors or ceilings H 02 G 3/22)

Sealing

Note

Group F 16 L 5/14 takes precedence over groups F 16 L 5/04 to F 16 L 5/12. [6]

to form a firebreak device [6]

by means of a swivel nut compressing a ring or sleeve [6]

by means of axial screws compressing a ring or sleeve [6]

by using sealing rings or sleeves only [6]

the pipe being cut in two pieces [6]

for double-walled or multi-channel pipes [6]

Supporting 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 (sleeves for supporting pipes, cables or protective tubing, between relatively movable points F 16 L 3/01) [5]

and sealing the pipes or cables inside the other pipes, cables or sleeves [6]

Pipes

Rigid pipes

of wood (F 16 L 9/16 to F 16 L 9/22 take precedence) [6]

of metal (F 16 L 9/16 to F 16 L 9/22 take precedence; finned pipes F 28 F)

Reinforced pipes

Corrugated pipes

of concrete, cement, or asbestos cement, with or without reinforcement (F 16 L 9/16 to F 16 L 9/22 take precedence)

of glass or ceramics, e.g. clay, clay tile, porcelain (F 16 L 9/16 to F 16 L 9/22 take precedence)

of plastics with or without reinforcement (F 16 L 9/16 to F 16 L 9/22 take precedence)

127

the walls consisting of a single layer [5]

128

Reinforced pipes [6]

133

the walls consisting of two layers [5]

Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups (F 16 L 9/16 to F 16 L 9/22 take precedence)

147

comprising only layers of metal and plastics with or without reinforcement [6]

153

comprising only layers of metal and concrete with or without reinforcement [6]

wound from sheets or strips, with or without reinforcement

obtained by bending a sheet longitudinally and connecting the edges [6]

Double-walled pipes; Multi-channel pipes or pipe assemblies (joints therefor F 16 L 39/00)

Multi-channel pipes or pipe assemblies [4]

Pipes composed of a plurality of segments

F16L 11/00 - F16L 23/24