EP 1053844 A3 20021106 - Process for obtaining fresh concrete and heating device , supplying device , mixing plant for fresh concrete
Title (en)
Process for obtaining fresh concrete and heating device , supplying device , mixing plant for fresh concrete
Title (de)
Verfahren zur Herstellung von Frischbeton, Erwärmungsvorrichtung, Bevorratungsvorrichtung, Frischbetonmischanlage
Title (fr)
Procédé pour la fabrication de béton frais ainsi que dispositif de chauffage , dispositif d'approvisionnement et installation de mélange pour béton frais
Publication
Application
Priority
DE 29908974 U 19990521
Abstract (en)
[origin: EP1053844A2] The warming device for the materials (16) for mixing has a line by means of which a heated medium cab be passed through the materials for mixing. This line may be subjected to infrared radiation and may be used as a dark radiator. It may be curved or angled. It may have a region which is angled at not more than 30 degrees from the vertical.
IPC 1-7
IPC 8 full level
CPC (source: EP)
B28C 7/003 (2013.01); B28C 9/008 (2013.01)
Citation (search report)
- [XA] DE 2323259 A1 19741121 - OSTERODER EISEN STAHLBAU
- [XA] DE 1230339 B 19661208 - EDUARD NESS
- [XA] US 5193906 A 19930316 - NEUFELDT ALLEN A [CA], et al
- [A] US 3659583 A 19720502 - MARTIN CHARLES K
- [A] FR 2570639 A1 19860328 - TUYAUX BONNA [FR]
- [XA] GB 856407 A 19601214 - FIBREBOARD PAPER PRODUCTS CORP
- [XA] US 3920159 A 19751118 - VAANANEN ONNI OLAVI
- [A] GB 1091361 A 19671115 - MICHAEL FRANCIS NEARY
- [A] US 1952464 A 19340327 - RYBECK ADOLPH W
- [A] GB 1015348 A 19651231 - HIRST MICROWAVE HEATING LTD
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 29908974 U1 19991216; EP 1053844 A2 20001122; EP 1053844 A3 20021106
DOCDB simple family (application)
DE 29908974 U 19990521; EP 00110207 A 20000517