<titlePart> <text>SECTION F <emdash/> MECHANICAL ENGINEERING</text> </titlePart> <titlePart> <text>LIGHTING</text> </titlePart> <titlePart> <text>HEATING</text> </titlePart> <titlePart> <text>WEAPONS</text> </titlePart> <titlePart> <text>BLASTING</text> </titlePart> MACHINES positive displacement rotary or oscillating piston liquid and elastic fluid or elastic fluid liquid only reciprocating piston or other liquid and elastic fluid or elastic fluid liquid only non-positive displacement liquid and elastic fluid or elastic fluid liquid only ENGINES positive displacement rotary or oscillating piston liquid and elastic fluid or elastic fluid liquid only reciprocating piston or other liquid and elastic fluid or elastic fluid liquid only non-positive displacement liquid and elastic fluid or elastic fluid liquid only PUMPS positive displacement rotary or oscillating piston reciprocating piston or other non-positive displacement <titlePart> <text>ENGINEERING IN GENERAL</text> </titlePart> <titlePart> <text>STORING OR DISTRIBUTING GASES OR LIQUIDS</text> <entryReference>water supply <sref ref="E03B"/></entryReference> </titlePart> <titlePart> <text>VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES</text> </titlePart> <titlePart> <text>FIXED-CAPACITY GAS-HOLDERS</text> </titlePart> <titlePart> <text>FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES</text> <entryReference>storing fluids in natural or artificial cavities or chambers in the earth <sref ref="B65G0005000000"/></entryReference> <entryReference>construction or assembling of bulk storage containers employing civil-engineering techniques <sref ref="E04H0007000000"/></entryReference> <entryReference>variable-capacity gas-holders <sref ref="F17B"/></entryReference> <entryReference>liquefaction or refrigeration machines, plants, or systems <sref ref="F25"/></entryReference> </titlePart> VESSELS UNDER PRESSURE; VESSELS NOT UNDER PRESSURE; DETAILS ; ; FILLING; DISCHARGING , ; , USE OF GAS-SOLVENTS OR GAS-ABSORBENTS <titlePart> <text>Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge</text> <entryReference>pressurised apparatus for purposes other than storage, <u>see</u> the relevant subclasses such as <sref ref="A62C"/>, <sref ref="B05B"/></entryReference> <entryReference>associated with vehicles, <u>see</u> the appropriate subclass of classes <mref ref="B60" endRef="B64"/></entryReference> <entryReference>pressure vessels in general <sref ref="F16J0012000000"/></entryReference> </titlePart> <titlePart> <text>involving reinforcing arrangements</text> </titlePart> <titlePart> <text>Protecting sheatings</text> </titlePart> <titlePart> <text>built-up from wound-on bands or filamentary material, e.g. wires</text> </titlePart> <titlePart> <text>Integral reinforcements, e.g. ribs</text> </titlePart> <titlePart> <text>with provision for protection against corrosion, e.g. due to gaseous acid</text> <entryReference>inhibiting corrosion of metallic material or incrustation in general <sref ref="C23F"/></entryReference> </titlePart> <titlePart> <text>with provision for thermal insulation</text> <entryReference>thermal insulation in general <sref ref="F16L0059000000"/></entryReference> </titlePart> <titlePart> <text>constructed of aluminium</text> </titlePart> <titlePart> <text>constructed of non-magnetic steel</text> </titlePart> <titlePart> <text>constructed of plastics materials</text> </titlePart> <titlePart> <text>Vessels not under pressure</text> </titlePart> <titlePart> <text>with provision for thermal insulation</text> <entryReference>thermal insulation in general <sref ref="F16L0059000000"/></entryReference> </titlePart> <titlePart> <text>by insulating layers</text> <entryReference><sref ref="F17C0003080000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>on the inner surface, i.e. in contact with the stored fluid</text> </titlePart> <titlePart> <text>by vacuum spaces, e.g. Dewar flask</text> <entryReference>for household use <sref ref="A47J0041020000"/></entryReference> </titlePart> <titlePart> <text>by liquid-circulating or vapour-circulating jackets</text> </titlePart> <titlePart> <text>with provision for protection against corrosion, e.g. due to gaseous acid</text> <entryReference>protection against corrosion in general <sref ref="C23F"/></entryReference> </titlePart> <titlePart> <text>Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases</text> <entryReference>adding propellants to aerosol containers <sref ref="B65B0031000000"/></entryReference> </titlePart> 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. , . <titlePart> <text>for filling with liquefied gases</text> </titlePart> <titlePart> <text>requiring the use of refrigeration, e.g. filling with helium or hydrogen</text> </titlePart> <titlePart> <text>for filling with compressed gases</text> </titlePart> <titlePart> <text>Methods or apparatus for filling vessels not under pressure with liquefied or solidified gases</text> </titlePart> <titlePart> <text>Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass</text> </titlePart> <titlePart> <text>Discharging liquefied gases</text> </titlePart> <titlePart> <text>with change of state, e.g. vaporisation</text> </titlePart> <titlePart> <text>Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure</text> </titlePart> <titlePart> <text>with change of state, e.g. vaporisation</text> </titlePart> <titlePart> <text>Recovery of thermal energy</text> </titlePart> <titlePart> <text>Use of gas-solvents or gas-sorbents in vessels</text> </titlePart> <titlePart> <text>Details of vessels or of the filling or discharging of vessels</text> </titlePart> <titlePart> <text>Special adaptations of indicating, measuring, or monitoring equipment</text> <entryReference>measuring in general <sref ref="G01"/></entryReference> </titlePart> <titlePart> <text>Arrangement or mounting of valves</text> <entryReference>valves <u>per se</u><sref ref="F16K"/></entryReference> </titlePart> <titlePart> <text>Closures, e.g. cap, breakable member</text> <entryReference>closures for containers in general <sref ref="B65D"/></entryReference> </titlePart> <titlePart> <text>Mounting arrangements for vessels</text> </titlePart> <titlePart> <text>Arrangements for preventing freezing</text> </titlePart> <titlePart> <text>Arrangements or mounting of devices for preventing or minimising the effect of explosion</text> <entryReference>flame traps <sref ref="A62C0004000000"/></entryReference> </titlePart>