WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F16J　PISTONS {(specially adapted for dampers F16F 9/32)}; CYLINDERS; SEALINGS

F16J 1/00 Pistons; Trunk pistons; Plungers (bellows pistons F16J 3/06; piston-rings or seats therefor F16J 9/00; {manufacture of pistons B23P 15/10}; 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; {pistons for hydraulic engines F03C}; pumps F04B; floats F16K 33/00)

F16J 1/001 ・{One-piece pistons}

F16J 1/003 ・・{with integral sealing lips}

F16J 1/005 ・{obtained by assembling several pieces}

F16J 1/006 ・・{of different materials}

F16J 1/008 ・・・{with sealing lips}

F16J 1/01 ・characterised by the use of particular materials (F16J 1/02 takes precedence)

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; Expansion members

F16J 1/08 ・Constructional features providing for lubrication

F16J 1/09 ・with means for guiding fluids (F16J 1/08 takes precedence)

F16J 1/10 ・Connection to driving members

F16J 1/12 ・・with piston-rods, e.g. 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 (connection of valves to inflatable elastic bodies B60C 29/00; bellows or the like used in instruments G12B 1/04; diaphragms for electromechanical transducers H04R 7/00)

F16J 3/02 ・Diaphragms

F16J 3/04 ・Bellows

F16J 3/041 ・・{Non-metallic bellows}

F16J 3/042 ・・・{Fastening details}

F16J 3/043 ・・・{with particular means for limiting wear}

F16J 3/045 ・・・{Split bellows}

F16J 3/046 ・・・{Lubrication or venting arrangements}

F16J 3/047 ・・{Metallic bellows}

F16J 3/048 ・・[with guiding or supporting means]

F16J 3/06 ・Bellows pistons

F16J 7/00 Piston-rods

F16J 9/00 Piston-rings, {e.g. non-metallic piston-rings}, seats therefor; Ring sealings of similar construction in general (other sealings between pistons and cylinders F16J 3/06, F16J 15/16; {manufacture of piston-rings B23P 15/06, B23P 15/08}; tools for mounting or removing piston-rings or the like B25B; piston sealing arrangements on brake master cylinders B60T 11/236; {sealing provided on pump pistons F04B 53/143})

F16J 9/02 ・L-section rings

F16J 9/04 ・Helical rings

F16J 9/06 ・using separate springs {or elastic elements} expanding the rings; Springs therefor; {Expansion by wedging}

F16J 9/061 ・・{using metallic coiled or blade springs (F16J 9/145 takes precedence)}

F16J 9/062 ・・・{Coiled spring along the entire circonference}

F16J 9/063 ・・・{Strip or wire along the entire circonference}

F16J 9/064 ・・{Rings with a flat annular side rail}

F16J 9/065 ・・・{Spring expander with massive cross-section}

F16J 9/066 ・・・{Spring expander from sheet metal}

F16J 9/067 ・・・・{corrugated in the radial direction}

F16J 9/068 ・・・・{corrugated in the axial direction}

F16J 9/069 ・・・・{with a "C"-shaped cross section along the entire circumference}

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 9/145 ・・・{of spring expanders}

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 9/06 takes precedence)}

F16J 9/203 ・・・{Oil-scraping rings}

F16J 9/206 ・・・{One-piece 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

F16J 9/28 ・of non-metals

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

F16J 10/02 ・Cylinders designed to receive moving pistons or plungers

F16J 10/04 ・・Running faces; Liners

F16J 12/00 Pressure vessels in general (covers therefor F16J 13/00; for particular applications, see the relevant subclasses, e.g. B01J, F17C, G21C)

F16J 13/00 Covers or similar closure members for pressure vessels in general (for engines or like cylinders F16J 10/00; sealings F16J 15/02; covers for box-like containers B65D 43/00; devices for securing or retaining closure members B65D 45/00; closures for containers not otherwise provided for B65D 51/00; manholes, covers for large containers B65D 90/10; gates or closures for large containers B65D 90/54; for vessels for containing or storing compressed, liquefied or solidified gases F17C 13/06; steam boilers F22B)

F16J 13/02 ・Detachable closure members; Means for tightening closures (F16J 13/16, F16J 13/22 take precedence)

F16J 13/04 ・・attached with a bridge member

F16J 13/06 ・・attached only by clamps along the circumference

F16J 13/065 ・・・{the clamp comprising a ring encircling the flange}

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)

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

F16J 13/24 ・with safety devices, e.g. to prevent opening prior to pressure release

F16J 15/00 Sealings (sealing arrangements for vehicle windows, windscreens, non-fixed roofs, doors, or similar devices B60J 10/00; sealing or packing elements for container closures B65D 53/00; sealing arrangements in rotary-piston machines or engines F01C 19/00; sealings in non-positive-displacement machines or engines F01D 11/00; arrangements of sealings in combustion engines F02F 11/00; sealing arrangements in rotary-piston pumps F04C 27/00; sealing lead-in or lead-through insulators H01B 17/30)

F16J 15/002 ・{comprising at least two sealings in succession (F16J 15/162, F16J 15/40 take precedence)}

F16J 15/004 ・・{forming or recuperation chamber for the leaking fluid}

F16J 15/006 ・・{with division of the pressure (F16J 15/44 takes precedence)}

F16J 15/008 ・・{with provision to put out of action at least one sealing; One sealing sealing only on standstill; Emergency or servicing sealings (F16J 15/164 takes precedence)}

F16J 15/02 ・between relatively-stationary surfaces (F16J 15/46, F16J 15/48 take precedence)

F16J 15/021 ・・{with elastic packing (F16J 15/08 takes precedence)}

F16J 15/022 ・・・{characterised by structure or material}

F16J 15/024 ・・・・{the packing being locally weakened in order to increase elasticity}

F16J 15/025 ・・・・・{and with at least one flexible lip}

F16J 15/027 ・・・・・{and with a hollow profile}

F16J 15/028 ・・・{the packing being mechanically expanded against the sealing surface}

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 15/061 ・・・{with positioning means (F16J 15/0831 takes precedence)}

F16J 15/062 ・・・{characterised by the geometry of the seat}

F16J 15/064 ・・・{the packing combining the sealing function with other functions}

F16J 15/065 ・・・・{fire resistant}

F16J 15/067 ・・・{Split packings}

F16J 15/068 ・・・{the packing swelling under working conditions}

F16J 15/08 ・・・with exclusively metal packing

F16J 15/0806 ・・・・{characterised by material or surface treatment}

F16J 15/0812 ・・・・・{with a braided or knitted body}

F16J 15/0818 ・・・・{Flat gaskets}

F16J 15/0825 ・・・・・{laminated}

F16J 15/0831 ・・・・・・{with mounting aids}

F16J 15/0881 ・・・・{the sealing effect being obtained by plastic deformation of the packing}

F16J 15/0887 ・・・・{the sealing effect being obtained by elastic deformation of the packing}

F16J 15/0893 ・・・・・{the packing having a hollow profile}

F16J 15/10 ・・・with non-metallic packing

F16J 15/102 ・・・・{characterised by material}

F16J 15/104 ・・・・{characterised by structure}

F16J 15/106 ・・・・・{homogeneous}

F16J 15/108 ・・・・{Special methods for making a non-metallic packing}

F16J 15/12 ・・・・with metal reinforcement or covering

F16J 15/121 ・・・・・{with metal reinforcement}

F16J 15/122 ・・・・・・{generally parallel to the surfaces}

F16J 15/123 ・・・・・・・{Details relating to the edges of the packing}

F16J 15/125 ・・・・・・{generally perpendicular to the surfaces}

F16J 15/126 ・・・・・・{consisting of additions, e.g. metallic fibres, metallic powders, randomly dispersed in the packing}

F16J 15/127 ・・・・・・{the reinforcement being a compression stopper}

F16J 15/128 ・・・・・{with metal 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 sealing of similar construction in general F16J 9/00; spindle sealings for valves F16K 41/00)

F16J 15/162 ・・{Special parts or details relating to lubrication or cooling of the sealing itself (F16J 15/324, F16J 15/3404, F16J 15/40 take precedence)}

F16J 15/164 ・・{the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid}

F16J 15/166 ・・{with means to prevent the extrusion of the packing}

F16J 15/168 ・・{which permits material to be continuously conveyed}

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

F16J 15/181 ・・・{for plastic packings}

F16J 15/182 ・・・{with lubricating, cooling or draining means}

F16J 15/183 ・・・・{using a lantern ring}

F16J 15/184 ・・・{Tightening mechanisms}

F16J 15/185 ・・・・{with continuous adjustment of the compression of the packing}

F16J 15/186 ・・・・・{using springs}

F16J 15/187 ・・・{Self-aligning stuffing-boxes}

F16J 15/188 ・・・{Split assemblies}

F16J 15/189 ・・・{Means for facilitating the removal of the packing}

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 {with elastic sealing, e.g. "O" ring; F16J 15/34 takes precedence}

F16J 15/3204 ・・・{with at least one lip}

F16J 15/3208 ・・・・{provided with a spring-tension element}

F16J 15/3212 ・・・・・{with a metal spring}

F16J 15/3216 ・・・・{supported in a direction parallel to the surfaces}

F16J 15/322 ・・・・{supported in a direction perpendicularly to the surfaces}

F16J 15/3224 ・・・・{protected against changes in distances between the surfaces}

F16J 15/3228 ・・・・{formed by deforming a flat annular ring}

F16J 15/3232 ・・・・{with a plurality of lips (F16J 15/3208 to F16J 15/3228 take precedence)}

F16J 15/3236 ・・・・・{with at least one lip for each surface, i.e. "U" cup packings}

F16J 15/324 ・・・{Details relating to lubrication or cooling of the sealing itself (in general F16J 15/162)}

F16J 15/3244 ・・・{with hydro-dynamic pumping action}

F16J 15/3248 ・・・{provided with a casing}

F16J 15/3252 ・・・・{with a rigid casing}

F16J 15/3256 ・・・・・{comprising two elements fixed respectively on each surface}

F16J 15/326 ・・・・・・{with means for detecting the relative rotation of the two elements}

F16J 15/3264 ・・・・・・{the elements being separable}

F16J 15/3268 ・・・・{Mounting of sealing lips}

F16J 15/3272 ・・・・・{The sealing having a break, e.g. permitting the radial mounting around a shaft}

F16J 15/3276 ・・・・{Static sealing round the fixation on one of the surfaces}

F16J 15/328 ・・・{Special methods for making elastic sealings (moulding or like operations, see the relevant classes)}

F16J 15/3284 ・・・{Structural composition; Use of special materials}

F16J 15/3288 ・・・・{Filamentary structures, e.g. brush seal}

F16J 15/3292 ・・・・{Lamellar structures}

F16J 15/3296 ・・・{Measuring or controlling equipment specially adapted for elastic sealings (measuring in general G01; Controlling in general G05)}

F16J 15/34 ・・with slip-ring pressed against a more or less radial face on one member

F16J 15/3404 ・・・{and characterised by parts or details relating to lubrication, cooling or venting of the seal}

F16J 15/3408 ・・・・{at least one ring having an uneven slipping surface}

F16J 15/3412 ・・・・・{with cavities (F16J 15/3424 takes precedence)}

F16J 15/3416 ・・・・・・{with at least one continuous groove}

F16J 15/342 ・・・・・・{with means for feeding fluid directly to the face}

F16J 15/3424 ・・・・・{with micro-cavities}

F16J 15/3428 ・・・・・{with a wavy surface}

F16J 15/3432 ・・・・・{the geometry of the surface being able to vary during operation}

F16J 15/3436 ・・・{Pressing means}

F16J 15/344 ・・・・{the pressing force being applied by means of an elastic ring supporting the slip-ring}

F16J 15/3444 ・・・・{by magnetic attraction}

F16J 15/3448 ・・・・{the pressing force resulting from fluid pressure}

F16J 15/3452 ・・・・{the pressing force resulting from the action of a spring}

F16J 15/3456 ・・・・{without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip}

F16J 15/346 ・・・・{the pressing force varying during operation}

F16J 15/3464 ・・・{Mounting of the seal}

F16J 15/3468 ・・・・{Means for controlling the deformations of the contacting faces}

F16J 15/3472 ・・・・{Means for centering or aligning the contacting faces}

F16J 15/3476 ・・・・{Means for minimising vibrations of the slip-ring}

F16J 15/348 ・・・・{Pre-assembled seals, e.g. cartridge seals}

F16J 15/3484 ・・・・・{Tandem seals}

F16J 15/3488 ・・・・{Split-rings}

F16J 15/3492 ・・・{with monitoring or measuring means associated with the seal}

F16J 15/3496 ・・・{use of special materials}

F16J 15/36 ・・・connected by a diaphragm {or bellow} to the other member

F16J 15/363 ・・・・{the diaphragm or bellow being made of metal}

F16J 15/366 ・・・・・{and comprising vibration-damping means}

F16J 15/38 ・・・sealed by a packing

F16J 15/40 ・・by means of fluid

F16J 15/403 ・・・{by changing the state of matter}

F16J 15/406 ・・・{by at least one pump}

F16J 15/42 ・・・kept in sealing position by centrifugal force

F16J 15/43 ・・・kept in sealing position by magnetic force

F16J 15/44 ・Free-space packings

F16J 15/441 ・・{with floating ring}

F16J 15/442 ・・・{segmented}

F16J 15/443 ・・{provided with discharge channels}

F16J 15/444 ・・{with facing materials having honeycomb-like structure}

F16J 15/445 ・・{with means for adjusting the clearance}

F16J 15/447 ・・Labyrinth packings

F16J 15/4472 ・・・{with axial path}

F16J 15/4474 ・・・・{Pre-assembled packings}

F16J 15/4476 ・・・{with radial path}

F16J 15/4478 ・・・・{Pre-assembled packings}

F16J 15/453 ・・・characterised by the use of particular materials {(F16J 15/444 takes precedence)}

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 B60C 29/00; {for sealing arrangements in vehicles B60J 10/00B; for sealing arrangements of openings in buildings E06B 7/2318}; 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 (connection of valves to inflatable elastic bodies B60C 29/00)

F16J 15/525 ・・・{fixed to a part of a transmission performing a wobbling or a circular translatory movement}

F16J 15/54 ・Other sealings for rotating shafts

F16J 15/545 ・・{submitted to unbalanced pressure in circumference; seals for oscillating actuator}

F16J 15/56 ・Other sealings for reciprocating rods

F16J 2015/00 Sealings (sealing arrangements for vehicle windows, windscreens, non-fixed roofs, doors, or similar devices B60J 10/00; sealing or packing elements for container closures B65D 53/00; sealing arrangements in rotary-piston machines or engines F01C 19/00; sealings in non-positive-displacement machines or engines F01D 11/00; arrangements of sealings in combustion engines F02F 11/00; sealing arrangements in rotary-piston pumps F04C 27/00; sealing lead-in or lead-through insulators H01B 17/30)

F16J 2015/02 ・between relatively-stationary surfaces (F16J 15/46, F16J 15/48 take precedence)

F16J 2015/06 ・・with solid packing compressed between sealing surfaces

F16J 2015/08 ・・・with exclusively metal packing

F16J 2015/0818 ・・・・{Flat gaskets}

F16J 2015/0837 ・・・・・with an edge portion folded over a second plate or shim

F16J 2015/0843 ・・・・・with an edge portion folded over the plate itself

F16J 2015/085 ・・・・・without fold over

F16J 2015/0856 ・・・・・with a non-metallic coating or strip

F16J 2015/0862 ・・・・・with a bore ring

F16J 2015/0868 ・・・・・Aspects not related to the edges of the gasket

F16J 2015/0875 ・・・・・comprising welds