B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
137/62, 226/7
B65B 31/00 (2006.01) A63H 27/10 (2006.01)
Patent
CA 1220769
ABSTRACT Device for inflating balloons, particularly balloons supported by tubular shafts, comprising a one-way valve mounted in or at one end of said shaft to be inserted into the neck of the balloon. Said valve is provided externally with a projection and rings to elastically deform the neck of the balloon and ensure the retention of the inflation pressure of the balloon. Such sealing may be improved by a tapered sleeve. The valve is of two parts joined together and forming a cylindrical cavity enclosed by two bases, of which one, is smooth surfaced with a central axial hole and the other one is provided with radial ribs and a central axial hole opening into the balloon. A sealing element which may be a thin sheet, a sphere or a hollow piston with tapered element, slides freely in said cylindrical cavity. The valve can also be of a type manually inserted and placed at one end of the supporting shaft.
487341
Marks & Clerk
Veca S.r.l.
LandOfFree
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