EP 1036024 A1 20000920 - DEVICE FOR PNEUMATIC TRANSPORT OF MATERIAL SUCH AS CONCRETE
Title (en)
DEVICE FOR PNEUMATIC TRANSPORT OF MATERIAL SUCH AS CONCRETE
Title (de)
PNEUMATISCHE FÖRDERVORRICHTUNG FÜR MATERIAL WIE BETON
Title (fr)
DISPOSITIF POUR TRANSPORTER PNEUMATIQUEMENT UN MATERIAU TEL QUE DU BETON
Publication
Application
Priority
- FR 9802592 W 19981202
- FR 9715148 A 19971202
Abstract (en)
[origin: FR2771721A1] The invention concerns a device (10) for transporting material such as concrete, comprising a flexible conduit (12) connected to a hopper (12), means for deforming the conduit comprising fist and second deforming elements (20, 22) mobile transversely to the conduit, a compressing element (24) located between the deforming elements (20, 22) also mobile transversely to the conduit, means for injecting air (26) and means (34, 36) for timing the air injection and the movements of the deforming and compressing elements.
IPC 1-7
IPC 8 full level
B05B 7/14 (2006.01); B65G 53/08 (2006.01); B65G 53/32 (2006.01); B65G 53/46 (2006.01); F04B 15/02 (2006.01); F04B 43/08 (2006.01); F04B 43/12 (2006.01)
CPC (source: EP KR US)
B65G 53/32 (2013.01 - EP KR US); B65G 53/4675 (2013.01 - EP US); F04B 43/082 (2013.01 - EP US)
Citation (search report)
See references of WO 9928221A1
Designated contracting state (EPC)
AT CH DE ES FR GB IT LI PT
DOCDB simple family (publication)
FR 2771721 A1 19990604; FR 2771721 B1 20000218; AU 1439299 A 19990616; BR 9815338 A 20001017; CN 1150121 C 20040519; CN 1280546 A 20010117; EP 1036024 A1 20000920; JP 2001524437 A 20011204; KR 20010052111 A 20010625; US 6283680 B1 20010904; WO 9928221 A1 19990610
DOCDB simple family (application)
FR 9715148 A 19971202; AU 1439299 A 19981202; BR 9815338 A 19981202; CN 98811748 A 19981202; EP 98958301 A 19981202; FR 9802592 W 19981202; JP 2000523137 A 19981202; KR 20007005986 A 20000601; US 55572800 A 20000728