Title:
HYDRAULIC CYLINDER AND METHOD FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2010/034511
Kind Code:
A3
Abstract:
A support comprising iron (Fe) is made up of components of a hydraulic cylinder moving relative to each other over a running surface, in particular a piston rod, with an electrochemically applied outer layer of chromium (Cr) with an electrochemically applied intermediate adjacent layer on the support in the region the running surface made of nickel-phosphor (NiP) and the outer layer is applied directly over said intermediate layer, characterised in that the intermediate layer has a fraction of phosphorus (P) of greater than 6wt.% and the remainder being nickel (Ni).
Inventors:
TRIVIGNO VINCENZO (DE)
WAGNER HARTMUT (DE)
WAGNER HARTMUT (DE)
Application Number:
PCT/EP2009/006953
Publication Date:
July 22, 2010
Filing Date:
September 25, 2009
Export Citation:
Assignee:
WEBER HYDRAULIK GMBH (DE)
TRIVIGNO VINCENZO (DE)
WAGNER HARTMUT (DE)
TRIVIGNO VINCENZO (DE)
WAGNER HARTMUT (DE)
International Classes:
C25D3/04; C25D5/14; C25D5/18; C25D7/10
Foreign References:
| EP1997939A1 | 2008-12-03 | |||
| DE4009914A1 | 1990-10-18 | |||
| US2643221A | 1953-06-23 | |||
| US4554219A | 1985-11-19 |
Other References:
DATABASE WPI Week 198522, Derwent World Patents Index; AN 1985-131101, XP002584878
Attorney, Agent or Firm:
SÄGER, Manfred et al. (St. Gallen, CH)
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