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US 7,775,399 B2Granted
Dispensing apparatus
AssigneeArtex-Rawlplug Limited
InventorBruce Wood
Life of this patent
Estimating the term…
Abstract
The present invention relates to an apparatus (100) for the storing and dispensing of products. In particular, the present invention relates to an apparatus (100) for the storing and dispensing of inter-reactive compounds wherein the inter-reactive compounds are efficiently mixed on extrusion or expulsion.
Claims14
Apparatus for storing and dispensing a product, the apparatus comprising:
- a cartridge containing at least two separate chambers, each of the at least two separate chambers containing different compounds which are intended to be mixed;
- and
- a substantially rigid outer casing adapted to receive the cartridge, the rigid outer casing having a first end with a wide opening and a second end with a narrow opening;
- a single expansion chamber proximate to and in communication with said narrow opening;
- wherein products to be dispensed are sealed in the cartridge with a single rupturable sealing means in the form of a sealing clip which is releasable under pressure, the cartridge containing the at least two separate chambers expanding into the single expansion chamber and the single rupturable sealing means forming a weakened area capable of rupturing when pressure is applied to the cartridge and on release of the sealing clip different compounds of the cartridge mix substantially together.
2 more elements
Dependencies are inferred from the claim text.