(0)F17C:0/0:
IPC6
SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR...
F17C
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F 17 C

 VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES (storing fluids in natural or artificial cavities or chambers in the earth B 65 G 5/00; construction or assembling of bulk storage containers employing civil-engineering techniques E 04 H 7/00; variable-capacity gas-holders F 17 B; liquefaction or refrigeration machines, plants, or systems F 25)

 

 

 
 

 1
/ 00 Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge (pressurised apparatus for purposes other than storage, see the relevant subclasses such as A 62 C, B 05 B; associated with vehicles, see the appropriate subclass of classes B 60 to B 64; pressure vessels in general F 16 J 12/00)

1
/ 02 • involving reinforcing arrangements [4]  

1
/ 04 • • Protecting sheatings  

1
/ 06 • • • built-up from wound-on bands or filamentary material, e.g. wires [4]  

1
/ 08 • • Integral reinforcements, e.g. ribs  

1
/ 10 • with provision for protection against corrosion, e.g. due to gaseous acid (inhibiting corrosion of metallic material or incrustation in general C 23 F) [4]  

1
/ 12 • with provision for thermal insulation (thermal insulation in general F 16 L 59/00) [4]  

1
/ 14 • constructed of aluminium; constructed of non-magnetic steel  

1
/ 16 • constructed of plastics materials  
 

 3
/ 00 Vessels not under pressure

3
/ 02 • with provision for thermal insulation (thermal insulation in general F 16 L 59/00)  

3
/ 04 • • by insulating layers (F 17 C 3/08 takes precedence)  

3
/ 06 • • • on the inner surface, i.e. in contact with the stored fluid [4]  

3
/ 08 • • by vacuum spaces, e.g. Dewar flask (for household use A 47 J 41/02)  

3
/ 10 • • by liquid-circulating or vapour-circulating jackets  

3
/ 12 • with provision for protection against corrosion, e.g. due to gaseous acid (protection against corrosion in general C 23 F)  
 

 5
/ 00 Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases (adding propellants to aerosol containers B 65 B 31/00)

Note
 

This group covers:
 

-

 the filling of vessels for storage of compressed or liquefied gases;
 

-

 the filling of pressurised apparatus insofar as it is not covered by a single other subclass, e.g. A 62 C, B 05 B.

5
/ 02 • for filling with liquefied gases  

5
/ 04 • • requiring the use of refrigeration, e.g. filling with helium or hydrogen  

5
/ 06 • for filling with compressed gases  
 

 6
/ 00 Methods or apparatus for filling vessels not under pressure with liquefied or solidified gases [3]
 

 7
/ 00 Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass

7
/ 02 • Discharging liquefied gases  

7
/ 04 • • with change of state, e.g. vaporisation [3]  
 

 9
/ 00 Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure

9
/ 02 • with change of state, e.g. vaporisation  

9
/ 04 • • Recovery of thermal energy [3]  
 

 11
/ 00 Use of gas-solvents or gas-sorbents in vessels
 

 13
/ 00 Details of vessels or of the filling or discharging of vessels

13
/ 02 • Special adaptations of indicating, measuring, or monitoring equipment (measuring in general G 01)  

13
/ 04 • Arrangement or mounting of valves (valves per se F 16 K)  

13
/ 06 • Closures, e.g. cap, breakable member (closures for containers in general B 65 D)  

13
/ 08 • Mounting arrangements for vessels  

13
/ 10 • Arrangements for preventing freezing  

13
/ 12 • Arrangements or mounting of devices for preventing or minimising the effect of explosion (flame traps A 62 C 4/00)