Patent ID: 6029561
Filing Date: 2000-02-29
Classification: F15B

Abstract:
Fluid pressure cylinder (1) including two cylinder end walls (6', 6""), a cylinder tube (2) and a piston (3), which is axially movable inside the cylinder tube, wherein at least one of the cylinder end walls is provided with an outward housing portion (7;60) and, located therein, an inward insert portion (8;61) which comprises a portion of at least one fluid channel belonging to the cylinder, characterized inthat the housing portion axially contacts the cylinder tube under force transmission,that the insert portion includes an integral valve seat (12, 16, 22"") of a fluid valve which is located in said fluid channel,that the portion of the at least one fluid inlet channel includes a one way valve (22), andthat the insert portion comprises a recess (9) having an inward surface and the one way valve is comprised of a flexible valve membrane (23) which contacts the inward surface of the recess (9).