B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
244/27
B65H 54/68 (2006.01) B65H 75/06 (2006.01) G01W 1/08 (2006.01)
Patent
CA 1183510
ABSTRACT OF THE DISCLOSURE The invention provides a filament release device for use in radiosondes, comprising a bobbin member having an upper end adapted to be fixed securely to a lighter-than-air balloon and a filament for connecting the balloon to a radiosonde wound on said bobbin member, said bobbin member increasing in width in a downwards direction whereby the filament unwinds from said bobbin member in a controlled manner during ascent of the balloon.
380921
Reittu Osmo
Varkia Esa
Marks & Clerk
Vaisala Oy
LandOfFree
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