Patent ID: 9435336
Filing Date: 2016-09-06
CPC Classification: F04B,F16J

Claim Text:
1. Sealing device for a piston ( 1 ) provided for a piston ( 2 ) moving in a cylinder ( 8 ) of which one of the ends at least is closed by a fluid chamber ( 27 ), said piston ( 2 ) comprising at least one piston head ( 3 ) which includes at least one fixed skirt ( 5 ) and has, on the one hand, a piston support face ( 4 ) in order to exert a force on any mechanical, hydraulic or pneumatic transmission means ( 33 ) and, on the other hand, a compression face ( 11 ) which emerges in the fluid chamber ( 27 ) and which can receive the pressure of a fluid ( 36 ), characterized in that it comprises: at least one sliding skirt ( at least one pressure transmission channel ( at least one extensible continuous segment ( at least one sliding skirt spring (