F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
ENGINEERING IN GENERAL
 F16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
 F16J
PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
 F16J 1/00
Pistons; Trunk pistons; Plungers (bellows pistons F16J 3/06; piston-rings or seats therefor F16J 9/00; rotary pistons, e.g. for "Wankel" type engines, F01C; specific for combustion engines, i.e. constructed to withstand high temperature or modified for guiding, igniting, vaporising, or otherwise treating the charge, F02F; for pumps F04B; floats F16K 33/00)
 F16J 1/01
·  characterised by the use of particular materials (F16J 1/02 takes precedence)  [3]
 F16J 1/02
·  Bearing surfaces
 F16J 1/04
·  Resilient guiding parts, e.g. skirts, particularly for trunk pistons
 F16J 1/06
·  ·  with separate expansion members; Espansion members
 F16J 1/08
·  Constructional features providing for lubrication
 F16J 1/09
·  with means for guiding fluids (F16J 1/08 takes precedence)  [3]
 F16J 1/10
·  Connection to driving members
 F16J 1/12
·  ·  with piston-rods, i.e. rigid connections
 F16J 1/14
·  ·  with connecting-rods, i.e. pivotal connections
 F16J 1/16
·  ·  ·  with gudgeon-pin; Gudgeon-pins
 F16J 1/18
·  ·  ·  ·  Securing of gudgeon-pins
 F16J 1/20
·  ·  ·  with rolling contact, other than in ball or roller bearings
 F16J 1/22
·  ·  ·  with universal joint, e.g. ball-joint
 F16J 1/24
·  ·  designed to give the piston some rotary movement about its axis
 F16J 3/00
Diaphragms; Bellows; Bellows pistons
 F16J 3/02
·  Diaphragms  [2]
 F16J 3/04
·  Bellows  [2]
 F16J 3/06
·  Bellows pistons  [2]
 F16J 7/00
Piston-rods, i.e. rods rigidly connected to the piston (connecting-rods or like links pivoted at both ends F16C 7/00)
 F16J 9/00
Piston-rings, seats therefor; Ring sealings of similar construction in general (other sealings between pistons and cylinders F16J 3/06, F16J 15/16; tools for mounting or removing piston-rings or the like B25B)  [2]
 F16J 9/02
·  L-section rings
 F16J 9/04
·  Helical rings
 F16J 9/06
·  using separate springs expanding the rings; Springs therefor
 F16J 9/08
·  with expansion obtained by pressure of the medium
 F16J 9/10
·  Special members for adjusting the rings
 F16J 9/12
·  Details
 F16J 9/14
·  ·  Joint-closures
 F16J 9/16
·  ·  ·  obtained by stacking of rings
 F16J 9/18
·  ·  ·  with separate bridge-elements
 F16J 9/20
·  ·  Rings with special cross-section (L-section rings F16J 9/02); Oil-scraping rings
 F16J 9/22
·  ·  Rings for preventing wear of grooves or like seatings
 F16J 9/24
·  ·  Members preventing rotation of rings in grooves
 F16J 9/26
·  characterised by the use of particular materials  [3]
 F16J 9/28
·  ·  of non-metals  [3]
 F16J 10/00
Engine or like cylinders (pressure vessels in general F16J 12/00; cylinders for engines or other apparatus of particular kinds, see the appropriate subclasses, e.g. for combustion engines F02F); Features of hollow, e.g. cylindrical, bodies in general  [3]
 F16J 10/02
·  Cylinders designed to receive moving pistons or plungers  [3]
 F16J 10/04
·  ·  Running faces; Liners  [3]
 F16J 12/00
Pressure vessels in general (covers therefor F16J 13/00; for particular applications, see the relevant subclasses, e.g. B01J, F17C, G21C)  [3]
 F16J 13/00
Covers or similar closure members for pressure vessels in general (for engine or like cylinders F16J 10/00; sealings F16J 15/02; for vessels for containing or storing compressed, liquefied or solidified gases F17C 13/06)
 F16J 13/02
·  Detachable closure members; Means for tightening closures (F16J 13/16, F16J 13/22 take precedence)  [3]
 F16J 13/04
·  ·  attached with a bridge member
 F16J 13/06
·  ·  attached only by clamps along the circumference
 F16J 13/08
·  ·  attached by one or more members actuated to project behind a part or parts of the frame (similar constructions for doors or windows E05C 9/00)
 F16J 13/10
·  ·  attached by means of a divided ring
 F16J 13/12
·  ·  attached by wedging action by means of screw-thread, interrupted screw-thread, bayonet closure, or the like
 F16J 13/14
·  ·  attached exclusively by spring action or elastic action
 F16J 13/16
·  Pivoted closures (F16J 13/22 takes precedence)  [3]
 F16J 13/18
·  ·  pivoted directly on the frame
 F16J 13/20
·  ·  mounted by mobile fastening on swinging arms
 F16J 13/22
·  with movement parallel to the plane of the opening  [3]
 F16J 13/24
·  with safety devices, e.g. to prevent opening prior to pressure release  [3]
 F16J 15/00
Sealings
 F16J 15/02
·  between relatively-stationary surfaces (F16J 15/46, F16J 15/48 take precedence)
 F16J 15/04
·  ·  without packing between the surfaces, e.g. with ground surfaces, with cutting edge
 F16J 15/06
·  ·  with solid packing compressed between sealing surfaces
 F16J 15/08
·  ·  ·  with exclusively metal packing
 F16J 15/10
·  ·  ·  with non-metallic packing
 F16J 15/12
·  ·  ·  ·  with metal reinforcement or covering
 F16J 15/14
·  ·  by means of granular or plastic material, or fluid
 F16J 15/16
·  between relatively-moving surfaces (F16J 15/50, F16J 15/52 take precedence; bellows pistons F16J 3/06; piston-rings or ring sealings of similar construction in general F16J 9/00; spindle sealings for valves F16K 41/00)  [2]
 F16J 15/18
·  ·  with stuffing-boxes for elastic or plastic packings
 F16J 15/20
·  ·  ·  Packing materials therefor
 F16J 15/22
·  ·  ·  ·  shaped as strands, ropes, threads, ribbons, or the like
 F16J 15/24
·  ·  ·  with radially or tangentially compressed packing
 F16J 15/26
·  ·  with stuffing-boxes for rigid sealing rings
 F16J 15/28
·  ·  ·  with sealing rings made of metal
 F16J 15/30
·  ·  ·  with sealing rings made of carbon
 F16J 15/32
·  ·  with elastic sealing lip
 F16J 15/34
·  ·  with slip-ring pressed against a more or less radial face on one member
 F16J 15/36
·  ·  ·  connected by a diaphragm to the other member
 F16J 15/38
·  ·  ·  sealed by a packing  [2]
 F16J 15/40
·  ·  by means of fluid
 F16J 15/42
·  ·  ·  kept in sealing position by centrifugal force
 F16J 15/44
·  Free-space packings
 F16J 15/447
·  ·  Labyrinth packings  [3]
 F16J 15/453
·  ·  ·  characterised by the use of particular materials  [3]
 F16J 15/46
·  with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings (for tube connections F16L)
 F16J 15/48
·  ·  influenced by the pressure within the member to be sealed
 F16J 15/50
·  between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
 F16J 15/52
·  ·  by means of sealing bellows or diaphragms
 F16J 15/54
·  Other sealings for rotating shafts
 F16J 15/56
·  Other sealings for reciprocating rods