| (19) |
 |
|
(11) |
EP 0 442 449 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
04.03.1992 Bulletin 1992/10 |
| (43) |
Date of publication A2: |
|
21.08.1991 Bulletin 1991/34 |
| (22) |
Date of filing: 12.02.1991 |
|
| (51) |
International Patent Classification (IPC)5: E02F 9/28 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB GR IT LI NL SE |
| (30) |
Priority: |
12.02.1990 US 478359
24.05.1990 US 528087
20.12.1990 US 627509
|
| (71) |
Applicant: ESCO CORPORATION |
|
Portland
Oregon 97210 (US) |
|
| (72) |
Inventors: |
|
- Briscoe, Terry L.
Portland,
Oregon 97229 (US)
- Sprunger, Paul C.
Dundee,
Oregon 97115 (US)
|
| (74) |
Representative: Baillie, Iain Cameron et al |
|
c/o Ladas & Parry
Altheimer Eck 2
80331 München
80331 München (DE) |
|
| |
|
| (54) |
Replaceable wear element |
(57) An assembly of wear element (11) for installation on the wearable part of a structure
engageable with abrasive material including a relatively elongated base element adapted
to be secured to the wearable part and a relatively elongated wear element releasably,
reversibly mounted on the base element, each of the elements having longitudinally
spaced apart dovetail surfaces (30) in one outstanding wall portion and at least one
surface in a second opposed outstanding wall portion positioned between the spaced
art dovetail surfaces. A method of designing the dovetail connection through a repeating
pattern is also disclosed.