EP 0305150 A3 19890329 - MOBILE CONCRETE MIXING APPARATUS
Title (en)
MOBILE CONCRETE MIXING APPARATUS
Publication
Application
Priority
GB 8720058 A 19870825
Abstract (en)
[origin: EP0305150A2] The apparatus 1 is mounted on a lorry 3 and comprises a frame 10, and a sand and aggregate hopper 13, a cement hopper 16 and water storage tanks 19 mounted on the frame. A mixing drum 45 is provided for mixing quantities of sand and aggregate and cement supplied from the hoppers 13, 16 with a quantity of water supplied from the tanks 19 to produce the required mix. The sand and aggregate is supplied to an opening 51 of the drum 45 by a belt conveyor 20 positioned below the hopper 13, and the cement is supplied to the opening 51 by a screw conveyor 36 by way of a discharge chute 43. The mix may be held within the drum 45 until required for use and may be discharged from the opening 51 by tipping the drum 45.
IPC 1-7
IPC 8 full level
B28C 9/04 (2006.01)
CPC (source: EP)
B28C 9/0454 (2013.01)
Citation (search report)
- [X] AU 46719 B
- [A] US 4219279 A 19800826 - HAWS PAUL M [US]
- [AD] US 3310293 A 19670321 - ZIMMERMAN HAROLD M
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
EP 0305150 A2 19890301; EP 0305150 A3 19890329; GB 8720058 D0 19870930
DOCDB simple family (application)
EP 88307809 A 19880824; GB 8720058 A 19870825