Title:
SHANK ADAPTER WITH CORROSION PROTECTION
Document Type and Number:
WIPO Patent Application WO/2012/032485
Kind Code:
A3
Abstract:
A neck adapter (2) comprises an elongated body (4), with an outer surface and an inner surface. A first part (17) of the outer surface is provided with a first corrosion protecting coating and a second part of the outer surface and/or the inner surface is provided with a second corrosion protecting coating. The first and second corrosion protecting coatings constitutes different material. Further a rock drill comprising a neck adapter (2) and a method to corrosion protect a neck adapter (2) is presented.
Inventors:
WESSBERG JOHAN (SE)
SAEVENSTRAND FILIP (SE)
SAEVENSTRAND FILIP (SE)
Application Number:
PCT/IB2011/053928
Publication Date:
October 26, 2012
Filing Date:
September 08, 2011
Export Citation:
Assignee:
ATLAS COPCO SECOROC AB (SE)
WESSBERG JOHAN (SE)
SAEVENSTRAND FILIP (SE)
WESSBERG JOHAN (SE)
SAEVENSTRAND FILIP (SE)
International Classes:
E21B17/03; E21B21/02
Domestic Patent References:
| WO2003078788A1 | 2003-09-25 | |||
| WO2008100193A1 | 2008-08-21 |
Foreign References:
| US6109620A | 2000-08-29 | |||
| US5482746A | 1996-01-09 | |||
| US20010023718A1 | 2001-09-27 |
Other References:
See also references of EP 2614212A2
Attorney, Agent or Firm:
VALEA AB (Stockholm, SE)
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