| (19) |
 |
|
(11) |
EP 0 131 068 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
21.08.1985 Bulletin 1985/34 |
| (43) |
Date of publication A2: |
|
16.01.1985 Bulletin 1985/03 |
| (22) |
Date of filing: 26.11.1983 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE FR GB LI LU NL SE |
| (30) |
Priority: |
12.07.1983 IT 2201983
|
| (71) |
Applicants: |
|
- Cereda, Gaetano
()
- Cereda, Sergio
()
|
|
|
| |
|
| (54) |
Mortar mixing machine |
(57) A mortar mixing machine comprising an outer sheet steel casing of semi-cylindrical
configuration in its lower parts and of hopper configuration in its upper part, and
in which the mortar is mixed by the operation of two helical surfaces in the form
of opposing spirals of equal pitch mounted on a single shaft.