A valve guard assembly for a gas cylinder has a mounting collar 2 which is adapted to fit around and to engage the neck of the gas cylinder. The mounting collar 2 has an outer surface 6 in which there is an endless first coupling member in the form of a circumferential slot 8. A valve guard 10 has an integral coupling ring 12 with a second coupling member in the form of an endless inward projection 14 engageable with the circumferential slot 8. A means for acting against disengagement of the first and second coupling members is provided. This means takes the form of a locking band 30.
申请公布号
EP1941189(A1)
申请公布日期
2008.07.09
申请号
EP20060794971
申请日期
2006.09.13
申请人
THE BOC GROUP PLC
发明人
BIRCH, DAVID, WILLIAM;JOHNSON, ANDREW, NEIL;SEREJKO, MARK, ADRIAN