EP 0188674 B1 19910703 - TRANSPORTABLE MIXER, PREFERABLY HAVING A REVERSED-RUNNING EMPTYING FACILITY FOR BUILDING MATERIALS, ESPECIALLY CONCRETE
Title (en)
TRANSPORTABLE MIXER, PREFERABLY HAVING A REVERSED-RUNNING EMPTYING FACILITY FOR BUILDING MATERIALS, ESPECIALLY CONCRETE
Publication
Application
Priority
- EP 85113601 A 19851025
- EP 84116485 A 19841228
Abstract (en)
[origin: US4730934A] In a mobile mixer, preferably having counterrotational emptying, for building materials, in particular concrete, in a mixing drum (1) which, on its inner wall (9), has one or more flat elevators (11, 12) following a helix and extending from the closed drum base (2) to the drum opening (3), which elevators (11, 12) are driven about the drum axis during rotation of the mixing drum and push the building material to the front of the closed base (2) during transport and during mixing, with one or more flat sections (26, 27) which are helically curved about the mixing drum axis (4) being fixed for driving during the mixing drum rotation (5) in the mixing drum space enclosed by the elevators acting as mixing spirals (11, 12), which flat sections (26, 27) are arranged counterrotationally to the mixing spirals (11, 12) in such a way that, during the transport and during the mixing of the buiding material (13), they produce a counterflow in the building material filling core surrounded by the mixing spirals (11, 12). It is provided according to the invention that the flat sections (26, 27) start at the mixing drum base (2) and end in front of the mixing spirals (11, 12) and the mixing drum opening (3), and that the flat sections (26, 27) of the counterflow spirals (26, 27) are fixed to the elevators of the mixing spirals (11, 12) and via the mixing drum base (2) to the mixing drum wall (9).
IPC 1-7
IPC 8 full level
B01F 7/08 (2006.01); B01F 27/1143 (2022.01); B28C 5/42 (2006.01)
CPC (source: EP KR US)
B28C 5/42 (2013.01 - KR); B28C 5/4231 (2013.01 - EP US); B28C 5/4268 (2013.01 - EP US)
Citation (examination)
DE 2949026 A1 19800724 - ITALIANA FORME ACCIAIO
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0188674 A1 19860730; EP 0188674 B1 19910703; AT E64891 T1 19910715; AU 5147085 A 19860703; AU 583572 B2 19890504; BR 8506559 A 19860909; CA 1282057 C 19910326; CN 1003777 B 19890405; CN 85109424 A 19860610; CS 8509902 A2 19910813; CZ 277964 B6 19930714; EG 17556 A 19900630; GR 853133 B 19860429; KR 860004710 A 19860711; KR 920010467 B1 19921128; MX 162412 A 19910508; PL 148917 B1 19891230; PL 257105 A1 19870209; SK 277977 B6 19950913; SU 1611211 A3 19901130; TR 23209 A 19890621; US 4730934 A 19880315
DOCDB simple family (application)
EP 85113601 A 19851025; AT 85113601 T 19851025; AU 5147085 A 19851219; BR 8506559 A 19851227; CA 497925 A 19851217; CN 85109424 A 19851228; CS 990285 A 19851227; EG 82185 A 19851222; GR 850103133 A 19851223; KR 850009927 A 19851228; MX 110685 A 19851227; PL 25710585 A 19851224; SK 990285 A 19851227; SU 4005006 A 19851226; TR 185 A 19851225; US 6099087 A 19870609