EP 0009011 A1 19800319 - A concrete spraying apparatus.
Title (en)
A concrete spraying apparatus.
Title (de)
Gerät zum Aufsprühen von Beton.
Title (fr)
Dispositif de pulverisation de ciment.
Publication
Application
Priority
SE 7809146 A 19780830
Abstract (en)
An apparatus for applying a sprayable material, such as concrete (8), to a surface, preferably the roof of a tunnel. The apparatus comprises a spray nozzle (7) which is rotatable such as to coat said roof with concrete (8) in a rotary movement. A platform (1) on which an operator may stand is attached to a telescopic arrangement (1c, 1m, 1k) carried by a utilised carriage (1f, 1g, 1h) having driven wheels (1g, 1h). Arranged on the carriage is a balancing counterweight.
IPC 1-7
IPC 8 full level
E21D 11/10 (2006.01)
CPC (source: EP)
E21B 7/026 (2013.01); E21D 11/105 (2013.01)
Citation (search report)
- CH 586346 A5 19770331 - GLUECKAUF BEUKENBERG MASCHINEN
- CH 566173 A5 19750915 - AEROMATIC AG
- CH 556445 A 19741129 - STABILATOR AB
- FR 2298683 A1 19760820 - ARMAND ANDRE [FR]
- FR 2322258 A1 19770325 - BERGWERKSVERBAND GMBH [DE]
- DE 1232182 C
- US 3986671 A 19761019 - NUGENT ROBIN OLIVIER
Designated contracting state (EPC)
AT CH DE FR GB IT
DOCDB simple family (publication)
EP 0009011 A1 19800319; AR 220410 A1 19801031; AU 5038279 A 19800306; BR 7905408 A 19800429; NO 792778 L 19800303; SE 7809146 L 19800301; ZA 794386 B 19801126
DOCDB simple family (application)
EP 79850078 A 19790828; AR 27791479 A 19790830; AU 5038279 A 19790829; BR 7905408 A 19790822; NO 792778 A 19790828; SE 7809146 A 19780830; ZA 794386 A 19790820