Global Patent Index - EP 1058037 A1

EP 1058037 A1 2000-12-06 - Piston for a working cylinder and method of its manufacture

Title (en)

Piston for a working cylinder and method of its manufacture

Title (de)

Kolben für einen Arbeitszylinder und Verfahren zu seiner Herstellung

Title (fr)

Piston pour un cylindre et son procédé de fabrication

Publication

EP 1058037 A1 (DE)

Application

EP 00106915 A

Priority

DE 19925083 A

Abstract (en)

The piston has a supporting body (2) whose radially outer part has an annular guide part (8) defining a guide surface (12). A separate sealing body is molded onto the support body and has two sealing sections (15) positioned axially on both sides of the guide part and joined by several connecting arms (26) belonging to the sealing body and spaced peripherally apart. The connecting arms extend into holder-ducts (25) axially penetrating the guide part.

Abstract (de)

Es wird ein Kolben (1) für einen Arbeitszylinder vorgeschlagen, der einen Tragkörper (2) aufweist. Letzterer trägt ein ringförmiges Führungsteil (8), das eine radial orientierte Führungsfläche (12) definiert. An den Tragkörper (2) ist ein Dichtkörper (14) angeformt, der zwei axial beidseits des Führungsteils (8) angeordnete Dichtungsabschnitte (15) definiert, die durch mehrere in Umfangsrichtung des Tragkörpers (2) beabstandet zueinander angeordnete Verbindungsstege (26) des Dichtkörpers (14) einstückig miteinander verbunden sind, wobei die Verbindungsstege (26) sich in Aufnahmekanälen (25) erstrecken, die das Führungsteil (8) axial durchsetzen. Ferner wird ein zur Herstellung eines solchen Kolbens besonders geeignetes Verfahren vorgeschlagen. <IMAGE>

IPC 1-7 (main, further and additional classification)

F16J 15/32; F15B 15/28

IPC 8 full level (invention and additional information)

F15B 15/14 (2006.01); F15B 15/28 (2006.01)

CPC (invention and additional information)

F15B 15/2892 (2013.01); F15B 15/1452 (2013.01); F15B 15/2807 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1058037 A1 20001206; EP 1058037 B1 20030514; AT 240469 T 20030515; DE 19925083 A1 20001214; ES 2193908 T3 20031116

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