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Title:
REFILLABLE DOSING VALVE
Document Type and Number:
WIPO Patent Application WO2006004443
Kind Code:
A3
Abstract:
A refillable external dosing valve for use in dispensing a hydrocarbon fuel for a gas auto-feed drive tool. The refillable dosage valve includes an entry point (5) and a non-return valve so that a fuel canister (2) is able to be reloaded after the fuel bag internally of the canister has been totally deflated. The valve is adapted to engage the canister in a manner allowing the valve to establish fluid communication with the fuel in the canister and co-operate with a refilling nozzle of apparatus adapted to deliver a substance from a reservoir through the dosing valve to refill a receptacle with said substance. The valve is also configured to include an internal metering chamber which enables a predetermined amount of fuel to be delivered to a metering chamber within the gas auto-feed drive tool. Residual gas within the canister can also be removed when the canister is to be disposed of.

Inventors:
MCCORMACK REX (NZ)
HAMILTON HAMISH WILLIAM (NZ)
Application Number:
PCT/NZ2005/000158
Publication Date:
February 16, 2006
Filing Date:
July 06, 2005
Export Citation:
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Assignee:
MCCORMACK REX (NZ)
HAMILTON HAMISH WILLIAM (NZ)
International Classes:
(IPC1-7): B65D83/42; B65D83/28
Foreign References:
US4619297A1986-10-28
DE4002580A11991-08-01
US5875936A1999-03-02
FR2698341A11994-05-27
US5915599A1999-06-29
DE19513886A11996-10-24
DE4005937A11991-08-29
DE2514562A11975-10-16
US4991751A1991-02-12
GB2206860A1989-01-18
US5911250A1999-06-15
US6092698A2000-07-25
US5234140A1993-08-10
SU1557012A11990-04-15
Other References:
DATABASE WPI Week 200301, Derwent World Patents Index; Class Q31, AN 2003-019951, XP008111900
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