| (84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO
PL PT RO SE SI SK TR |
| (30) |
Priority: |
20.06.2008 DE 102008029085
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| (43) |
Date of publication of application: |
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04.05.2011 Bulletin 2011/18 |
| (73) |
Proprietor: Caterpillar Global Mining Europe GmbH |
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44534 Lünen (DE) |
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| (72) |
Inventors: |
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- ONSORI, Siamak
44229 Dortmund (DE)
- HENGSTLER, Stefan
44532 Lünen (DE)
- HAHN, Detlef
44534 Lünen (DE)
- MUNDRY, Sebastian, M.
59348 Lüdinghausen (DE)
- LETTAU, Detlef
44388 Dortmund (DE)
|
| (74) |
Representative: Althaus, Arndt et al |
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Patentanwälte,
Buschhoff Hennicke Althaus
Postfach 19 04 08 50501 Köln 50501 Köln (DE) |
| (56) |
References cited: :
DE-A1- 19 814 246 US-A- 3 383 866 US-A- 4 573 828
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GB-A- 773 407 US-A- 3 872 678
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