Double chamber container with tapering/conical inner container
AssigneeIPC International Packaging Ltd.
InventorHans F. Stoffel
Life of this patent
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Abstract
The present invention relates to a method of producing a double chamber container with tapering/conical inner chamber for a pressure-valve can. The container is usable for dispensing flowable products, in particular, products containing solvents or products for the cosmetics industry, and comprises a single or multiple part metallic outer container and a compressible metallic inner container. The invention also relates to a double chamber container produced according to this method and its use in pressure-valve cans.
Claims16
Method for manufacturing a double chamber container for a pressure valve can, closable with a valve part, the can being useable for dispensing flowable products, the method comprising the steps of:
- forming a compressible metallic inner container being preformed independently with a dome portion,
- then being inserted into a semi- or completely formed metallic outer container,
- the upper portion of the outer container being formed with a dome portion to engage the upper portion of the inner container,
- and to allow a valve part being placed with engaged portion to form a sealed double chamber container.
Dependencies are inferred from the claim text.