PISTONS ; CYLINDERS; SEALINGS

Child Classifications

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• F16J 1/00 Pistons; Trunk pistons; Plungers (bellows pistons F16J3/06; piston-rings or seats therefor F16J9/00; ; 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; ; pumps F04B; floats F16K33/00)
• F16J 10/00 Engine or like cylinders (pressure vessels in general F16J12/00; 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 12/00 Pressure vessels in general (covers therefor F16J13/00; 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 F16J10/00; sealings F16J15/02; covers for box-like containers B65D43/00; devices for securing or retaining closure members B65D45/00; closures for containers not otherwise provided for B65D51/00; manholes, covers for large containers B65D90/10; gates or closures for large containers B65D90/54; for vessels for containing or storing compressed, liquefied or solidified gases F17C13/06; steam boilers F22B)
• F16J 15/00 Sealings
• F16J 3/00 Diaphragms; Bellows; Bellows pistons (connection of valves to inflatable elastic bodies B60C29/00; bellows or the like used in instruments G12B1/04; diaphragms for electromechanical transducers H04R7/00)
• F16J 7/00 Piston-rods
• F16J 9/00 Piston-rings , seats therefor; Ring sealings of similar construction (other sealings between pistons and cylinders F16J3/06, F16J15/16 ; tools for mounting or removing piston-rings or the like B25B; piston sealing arrangements on brake master cylinders B60T11/236 )