(0)F16J:1/1:
IPC6
SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
F16J
2/2
<<   >>   F16J007/00 - F16J015/54  

7
/ 00 Piston-rods, i.e. rods rigidly connected to the piston (connecting-rods or like links pivoted at both ends F 16 C 7/00)
 

 9
/ 00 Piston-rings, seats therefor; Ring sealings of similar construction in general (other sealings between pistons and cylinders F 16 J 3/06, F 16 J 15/16; tools for mounting or removing piston-rings or the like B 25 B; piston sealing arrangements on brake master cylinders B 60 T 11/236) [2,5]

9
/ 02 • L-section rings  

9
/ 04 • Helical rings  

9
/ 06 • using separate springs expanding the rings; Springs therefor  

9
/ 08 • with expansion obtained by pressure of the medium  

9
/ 10 • Special members for adjusting the rings  

9
/ 12 • Details  

9
/ 14 • • Joint-closures  

9
/ 16 • • • obtained by stacking of rings  

9
/ 18 • • • with separate bridge-elements  

9
/ 20 • • Rings with special cross-section (L-section rings F 16 J 9/02); Oil-scraping rings  

9
/ 22 • • Rings for preventing wear of grooves or like seatings  

9
/ 24 • • Members preventing rotation of rings in grooves  

9
/ 26 • characterised by the use of particular materials [3]  

9
/ 28 • • of non-metals [3]  
 

 10
/ 00 Engine or like cylinders (pressure vessels in general F 16 J 12/00; cylinders for engines or other apparatus of particular kinds, see the appropriate subclasses, e.g. for combustion engines F 02 F); Features of hollow, e.g. cylindrical, bodies in general [3]

10
/ 02 • Cylinders designed to receive moving pistons or plungers [3]  

10
/ 04 • • Running faces; Liners [3]  
 

 12
/ 00 Pressure vessels in general (covers therefor F 16 J 13/00; for particular applications, see the relevant subclasses, e.g. B 01 J, F 17 C, G 21 C) [3]
 

 13
/ 00 Covers or similar closure members for pressure vessels in general (for engine or like cylinders F 16 J 10/00; sealings F 16 J 15/02; covers for box-like containers B 65 D 43/00; devices for securing or retaining closure members B 65 D 45/00; closures for containers not otherwise provided for B 65 D 51/00; manholes, covers for large containers B 65 D 90/10; gates or closures for large containers B 65 D 90/54; for vessels for containing or storing compressed, liquefied or solidified gases F 17 C 13/06; steam boilers F 22 B)

13
/ 02 • Detachable closure members; Means for tightening closures (F 16 J 13/16, F 16 J 13/22 take precedence) [3]  

13
/ 04 • • attached with a bridge member  

13
/ 06 • • attached only by clamps along the circumference  

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 E 05 C 9/00)  

13
/ 10 • • attached by means of a divided ring  

13
/ 12 • • attached by wedging action by means of screw-thread, interrupted screw-thread, bayonet closure, or the like  

13
/ 14 • • attached exclusively by spring action or elastic action  

13
/ 16 • Pivoted closures (F 16 J 13/22 takes precedence) [3]  

13
/ 18 • • pivoted directly on the frame  

13
/ 20 • • mounted by mobile fastening on swinging arms  

13
/ 22 • with movement parallel to the plane of the opening [3]  

13
/ 24 • with safety devices, e.g. to prevent opening prior to pressure release [3]  
 

 15
/ 00 Sealings (sealing arrangements for vehicle windows, windscreens, non-fixed roofs, doors, or similar devices B 60 J 10/00 ; sealing or packing elements for container closures B 65 D 53/00; sealing arrangements in rotary-piston machines or engines F 01 C 19/00; sealings in non-positive-displacement machines or engines F 01 D 11/00; arrangements of sealings in combustion engines F 02 F 11/00; sealing arrangements in rotary-piston pumps F 04 C 27/00; sealing lead-in or lead-through insulators H 01 B 17/30) [5]

15
/ 02 • between relatively-stationary surfaces (F 16 J 15/46, F 16 J 15/48 take precedence)  

15
/ 04 • • without packing between the surfaces, e.g. with ground surfaces, with cutting edge  

15
/ 06 • • with solid packing compressed between sealing surfaces  

15
/ 08 • • • with exclusively metal packing  

15
/ 10 • • • with non-metallic packing  

15
/ 12 • • • • with metal reinforcement or covering  

15
/ 14 • • by means of granular or plastic material, or fluid  

15
/ 16 • between relatively-moving surfaces (F 16 J 15/50, F 16 J 15/52 take precedence; bellows pistons F 16 J 3/06; piston-rings or ring sealings of similar construction in general F 16 J 9/00; spindle sealings for valves F 16 K 41/00) [2]  

15
/ 18 • • with stuffing-boxes for elastic or plastic packings  

15
/ 20 • • • Packing materials therefor  

15
/ 22 • • • • shaped as strands, ropes, threads, ribbons, or the like  

15
/ 24 • • • with radially or tangentially compressed packing  

15
/ 26 • • with stuffing-boxes for rigid sealing rings  

15
/ 28 • • • with sealing rings made of metal  

15
/ 30 • • • with sealing rings made of carbon  

15
/ 32 • • with elastic sealing lip  

15
/ 34 • • with slip-ring pressed against a more or less radial face on one member  

15
/ 36 • • • connected by a diaphragm to the other member  

15
/ 38 • • • sealed by a packing [2]  

15
/ 40 • • by means of fluid  

15
/ 42 • • • kept in sealing position by centrifugal force  

15
/ 43 • • • kept in sealing position by magnetic force [6]  

15
/ 44 • Free-space packings  

15
/ 447 • • Labyrinth packings [3]  

15
/ 453 • • • characterised by the use of particular materials [3]  

15
/ 46 • with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings (connection of valves to inflatable elastic bodies B 60 C 29/00; specially adapted for tube connections F 16 L )  

15
/ 48 • • influenced by the pressure within the member to be sealed  

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  

15
/ 52 • • by means of sealing bellows or diaphragms (connection of valves to inflatable elastic bodies B 60 C 29/00)  

15
/ 53 • using magnetic means [6]  

15
/ 54 • Other sealings for rotating shafts  

15
/ 56 • Other sealings for reciprocating rods  

 

 

 
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