IPC 7 English version
  F16L 39/00 - F16L 55/48  
F16L05700-F16L10170
 

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


F 16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL


F 16 LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL


57/

00Protection of pipes or objects of similar shape against external or internal damage or wear (supporting of pipes inside other pipes or sleeves F16L 7/00; used in connection with end fittings of hoses F16L 35/00; protection of pipes or pipe fittings against corrosion or incrustation F16L 58/00; protection thereof during transport B65D, e.g. B65D 59/00)

57/

02.against cracking or buckling [7]

 

57/

04.against fire or other external sources of extreme heat [7]

 

57/

06.against wear (F16L 57/04 takes precedence) [7]

 


58/

00Protection of pipes or pipe fittings against corrosion or incrustation (supporting of pipes inside other pipes or sleeves F16L 7/00; compound tubes F16L 9/14; cleaning pipes or tubes B08B 9/02)

58/

02.by means of internal or external coatings (coatings for thermal insulation F16L 59/00; methods or machines for applying coatings, see the relevant places, e.g. B28B 21/94)  [2]

58/

04..Coatings characterised by the materials used (F16L 58/16 takes precedence; compositions, see the relevant classes, e.g. C04B)  [2]

58/

06...by cement, concrete, or the like  [2]

58/

08...by metal  [2]

58/

10...by rubber or plastics  [2]

58/

12...by tar or bitumen  [2]

58/

14...by ceramic or vitreous materials  [2]

58/

16..the coating being in the form of a bandage (apparatus for covering cores by winding B65H 81/00)  [2]

58/

18.specially adapted for pipe fittings  [2]


59/

00Thermal insulation in general (heat, sound insulation in buildings E04B; heat insulation of steam engines F01B 31/08; heat insulation in rotary piston machines or engines F01C 21/06; heat insulation of pumps F04C 29/04; thermal insulation of pressure vessels F17C 1/12; vessels not under pressure, with provision for insulation F17C 3/02)

59/

02.Shape or form of insulating materials, with or without coverings integral with the insulating materials (chemical aspects, see the relevant classes)

59/

04.Arrangements using dry fillers, e.g. using slag wool

59/

05..in prefabricated shells or covers  [2]

59/

06.Arrangements using an air layer or vacuum

59/

065..using vacuum (F16L 59/075 takes precedence) [7]

 

59/

07..the air layer being enclosed by one or more layers of insulation [7]

 

59/

075..the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube [7]

 

59/

08.Means for preventing radiation, e.g. with metal foil

59/

10.Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage (integral with insulating materials F16L 59/02)

59/

11..Rigid covers for elbows [7]

 

59/

12.Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies

59/

125..Helical spacers [7]

 

59/

13..Resilient supports [7]

 

59/

135..Hangers or supports specially adapted for insulated pipes [7]

 

59/

14.Arrangements for the insulation of pipes or pipe systems (F16L 59/02 to F16L 59/12 take precedence)

59/

147..the insulation being located inwardly of the outer surface of the pipe  [5]

59/

15..for underground pipes [7]

 

59/

153..for flexible pipes  [5]

59/

16..Arrangements specially adapted to local requirements at flanges, junctions, valves, or the like (means in or on valves for heating or cooling F16K 49/00)

59/

18...adapted for joints  [5]

59/

20....for non-disconnectable joints  [5]

59/

21...adapted for expansion-compensation devices [7]

 

59/

22...adapted for bends  [5]


Indexing scheme associated with groups F16L 55/26 to F16L 55/48, relating to uses and applications of pigs or moles. The indexing codes should be unlinked.  [6]

Note

 Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code.  [6]


101:

00Uses or applications of pigs or moles  [6]

101:

10.Treating the inside of pipes  [6]

101:

12..Cleaning  [6]

101:

14..Drying  [6]

101:

16..Coating by application of fluent materials, e.g. painting  [6]

101:

18..Lining other than coating  [6]

101:

20.Expelling gases or fluids  [6]

101:

30.Inspecting, measuring or testing  [6]

101:

40.Separating transported fluids  [6]

101:

50.Pulling cables or the like  [6]

101:

60.Stopping leaks  [6]

101:

70.Drill-well operations  [6]


  F16L 39/00 - F16L 55/48