|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

|  | F01 - F04 |
Subsection index
MACHINES |
positive displacement |
rotary or oscillating piston |
liquid and elastic fluid or elastic fluid | F01C
liquid only | F04C
reciprocating piston or other |
liquid and elastic fluid or elastic fluid | F01B
liquid only | F04B
non-positive displacement |
liquid and elastic fluid or elastic fluid | F01D
liquid only | F03B
ENGINES |
positive displacement |
rotary or oscillating piston |
liquid and elastic fluid or elastic fluid | F01C
liquid only | F03C
reciprocating piston or other |
liquid and elastic fluid or elastic fluid | F01B
liquid only | F03C
non-positive displacement |
liquid and elastic fluid or elastic fluid | F01D
liquid only | F03B
PUMPS |
positive displacement |
rotary or oscillating piston | F04C
reciprocating piston or other | F04B
non-positive displacement | F04D

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 |
Note(s) Attention is drawn to the following places:
Fulltext... Hierarchy... Expanded...A47J 27/08 | Pressure cookers |
Fulltext... Hierarchy... Expanded...E04B 1/68 | Sealing building joints |
Fulltext... Hierarchy... Expanded...E05C 9/00 | Multi-point fastening of wings in general |
Fulltext... Hierarchy... Expanded...F01B | Machines or engines in general or of reciprocating type, e.g. cylinders peculiar to steam engines Fulltext... Hierarchy... Expanded...F01B 31/00 |
Fulltext... Hierarchy... Expanded...F02F 1/00 | Cylinders for combustion engines |
Fulltext... Hierarchy... Expanded...F02F 3/00 | Pistons for combustion engines |
Fulltext... Hierarchy... Expanded...F04D 29/08 | Sealings of non-positive displacement pumps |
Fulltext... Hierarchy... Expanded...F17B 1/00 | Sealing devices for sliding parts of gas holders of variable capacity |
Fulltext... Hierarchy... Expanded...F28F 9/04 | Arrangements for sealing elements into header boxes or end plates of heat-exchangers. |

|  | F16J |
Subclass index
PISTONS, TRUNK PISTONS, OR PLUNGERS; PISTON-RODS | 1/00; 7/00
DIAPHRAGMS, BELLOWS, BELLOWS PISTONS; PISTON-RINGS | 3/00; 9/00
CYLINDERS, HOLLOW BODIES | 10/00
PRESSURE VESSELS; COVERS | 12/00; 13/00
SEALINGS | 15/00

P:10 |  | F16J 1/00 |
Pistons; Trunk pistons; Plungers (bellows pistons Fulltext... Hierarchy... Expanded...F16J 3/00; piston-rings or seats therefor Fulltext... Hierarchy... Expanded...F16J 9/00; rotary pistons, e.g. for "Wankel" type engines, Fulltext... Hierarchy... Expanded...F01C; specific for combustion engines, i.e. constructed to withstand high temperature or modified for guiding, igniting, vaporising, or otherwise treating the charge, Fulltext... Hierarchy... Expanded...F02F; pistons specially adapted for reciprocating-piston liquid engines Fulltext... Hierarchy... Expanded...F03C 1/00; for pumps Fulltext... Hierarchy... Expanded...F04B; floats Fulltext... Hierarchy... Expanded...F16K 33/00)

|  | F16J 1/10 |
· | Connection to driving members

P:0 |  | F16J 3/00 |
Diaphragms; Bellows; Bellows pistons (connection of valves to inflatable elastic bodies Fulltext... Hierarchy... Expanded...B60C 29/00; bellows or the like used in instruments Fulltext... Hierarchy... Expanded...G12B 1/00; diaphragms for electromechanical transducers Fulltext... Hierarchy... Expanded...H04R 7/00)

P:20 |  | F16J 7/00 |
Piston-rods, i.e. rods rigidly connected to the piston (connecting-rods or like links pivoted at both ends Fulltext... Hierarchy... Expanded...F16C 7/00)

P:30 |  | F16J 9/00 |
Piston-rings, seats therefor; Ring sealings of similar construction in general (other sealings between pistons and cylinders Fulltext... Hierarchy... Expanded...F16J 3/00, Fulltext... Hierarchy... Expanded...F16J 15/16; tools for mounting or removing piston-rings or the like Fulltext... Hierarchy... Expanded...B25B; piston sealing arrangements on brake master cylinders Fulltext... Hierarchy... Expanded...B60T 11/16) [2,5]

|  | F16J 9/26 |
· | characterised by the use of particular materials [3]

P:40 |  | F16J 10/00 |
Engine or like cylinders (pressure vessels in general Fulltext... Hierarchy... Expanded...F16J 12/00; cylinders for engines or other apparatus of particular kinds, see the appropriate subclasses, e.g. for combustion engines Fulltext... Hierarchy... Expanded...F02F); Features of hollow, e.g. cylindrical, bodies in general [3]

P:50 |  | F16J 12/00 |
Pressure vessels in general (covers therefor Fulltext... Hierarchy... Expanded...F16J 13/00; for particular applications, see the relevant subclasses, e.g. Fulltext... Hierarchy... Expanded...B01J, Fulltext... Hierarchy... Expanded...F17C, Fulltext... Hierarchy... Expanded...G21C) [3]

P:60 |  | F16J 13/00 |
Covers or similar closure members for pressure vessels in general (for engine or like cylinders Fulltext... Hierarchy... Expanded...F16J 10/00; sealings Fulltext... Hierarchy... Expanded...F16J 15/02; covers for box-like containers Fulltext... Hierarchy... Expanded...B65D 43/00; devices for securing or retaining closure members Fulltext... Hierarchy... Expanded...B65D 45/00; closures for containers not otherwise provided for Fulltext... Hierarchy... Expanded...B65D 51/00; manholes, covers for large containers Fulltext... Hierarchy... Expanded...B65D 90/00; gates or closures for large containers Fulltext... Hierarchy... Expanded...B65D 90/00; for vessels for containing or storing compressed, liquefied or solidified gases Fulltext... Hierarchy... Expanded...F17C 13/00; steam boilers Fulltext... Hierarchy... Expanded...F22B)

P:70 |  | F16J 15/00 |
Sealings (sealing arrangements for vehicle windows, windscreens, non-fixed roofs, doors, or similar devices Fulltext... Hierarchy... Expanded...B60J 10/00; sealing or packing elements for container closures Fulltext... Hierarchy... Expanded...B65D 53/00; sealing arrangements in rotary-piston machines or engines Fulltext... Hierarchy... Expanded...F01C 19/00; sealings in non-positive-displacement machines or engines Fulltext... Hierarchy... Expanded...F01D 11/00; arrangements of sealings in combustion engines Fulltext... Hierarchy... Expanded...F02F 11/00; sealing arrangements in rotary-piston pumps Fulltext... Hierarchy... Expanded...F04C 27/00; sealing lead-in or lead-through insulators Fulltext... Hierarchy... Expanded...H01B 17/26) [5]

|  | F16J 15/02 |
· | between relatively-stationary surfaces (Fulltext... Hierarchy... Expanded...F16J 15/46 takes precedence)

|  | 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 15/16 |
· | between relatively-moving surfaces (Fulltext... Hierarchy... Expanded...F16J 15/50 takes precedence; bellows pistons Fulltext... Hierarchy... Expanded...F16J 3/00; piston-rings or ring sealings of similar construction in general Fulltext... Hierarchy... Expanded...F16J 9/00; spindle sealings for valves Fulltext... Hierarchy... Expanded...F16K 41/00) [2]

|  | F16J 15/18 |
· · | with stuffing-boxes for elastic or plastic packings

|  | 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 15/44 |
· | Free-space packings

|  | F16J 15/46 |
· | with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings (connection of valves to inflatable elastic bodies Fulltext... Hierarchy... Expanded...B60C 29/00; specially adapted for tube connections Fulltext... Hierarchy... Expanded...F16L)

|  | 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