Owner Roos, P.

Inventors Roos, Paul Francois

Agent Wrays

Pub. Number AU-B-2002253428

PCT Pub. Number WO2002/081954

Priority 01/2896 09.04.01 ZA

Filing date 8 April 2002

Wipo publication date 21 October 2002

Acceptance publication date 26 October 2006

F16K 3/24 (2006.01) Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing

F16K 3/26 (2006.01) Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing

F16K 3/28 (2006.01) Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing

F16K 5/04 (2006.01) Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary

F16K 5/18 (2006.01) Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary