An aerosol container (1) comprising a body (50) and cone (60) and encasing a composite spout (30) and bag (40) combination. The composite spout (30) has a metal tubular section (10), adapted to accommodate a valve arrangement (70, 75) and a polymer fishtail section (20), adapted to form a leak-proof
An aerosol container (1) comprising a body (50) and cone (60) and encasing a composite spout (30) and bag (40) combination. The composite spout (30) has a metal tubular section (10), adapted to accommodate a valve arrangement (70, 75) and a polymer fishtail section (20), adapted to form a leak-proof seal with the bag (40). A product is filled into the bag (40) and propellant is filled into the sealed chamber defined between the outside of the bag (40) and the internal surface of the body (50)/cone (60).
대표청구항▼
1. A composite spout and bag combination, wherein the composite spout has a polymer coated metal tubular section, adapted to accommodate a valve arrangement, and a plastic fishtail section, adapted to form a leak-proof seal with the bag, the bag being made from a multilayer film, having a metal foil
1. A composite spout and bag combination, wherein the composite spout has a polymer coated metal tubular section, adapted to accommodate a valve arrangement, and a plastic fishtail section, adapted to form a leak-proof seal with the bag, the bag being made from a multilayer film, having a metal foil layer, to provide a barrier, interspersed between plastic layers, to protect the foil and to form a secure bond with the fishtail section, and the fishtail section is partially disposed within the tubular section. 2. A composite spout and bag combination according to claim 1, wherein the fishtail section is insert moulded onto the tubular section such that the plastic material reinforces a hole in the tubular section and extends radially into the tubular section to define a nut, which mechanically locks the tubular section and the fishtail section together. 3. A composite spout and bag combination according to claim 1, wherein the fishtail section is made from polypropylene. 4. An aerosol container comprising: an outer casing comprising a body and cone; anda composite spout and bag combination, wherein the composite spout has a polymer coated metal tubular section, adapted to accommodate a valve arrangement and a plastic fishtail section, adapted to form a leak-proof seal with the bag, the bag being made from a multilayer film, having a metal foil layer, to provide a barrier, interspersed between plastic layers, to protect the foil and to form a secure bond with the fishtail section, and the fishtail section is insert moulded onto the tubular section. 5. An aerosol container according to claim 4, wherein the cone is formed integrally with the body to provide a unitary outer casing. 6. An aerosol container according to claim 4, wherein the bag is filled with a product and a volume defined between the outside of the bag and the inside of the body and cone is pressurised with propellant and sealed by a valve cup and valve. 7. An aerosol container 1 according to claim 5, wherein the valve includes a dip tube. 8. A method of assembling an aerosol container comprising the steps of: in an outer casing comprising a body and cone, rolling up longitudinally and inserting a composite spout and bag assembly into the outer casing,wherein the composite spout has a polymer coated metal tubular section, adapted to accommodate a valve arrangement and a plastic fishtail section, adapted to form a leak-proof seal with the bag, the bag being made from a multilayer film, having a metal foil layer, to provide a barrier interspersed between plastic layers to protect the foil and to form a secure bond with the fishtail section, and the fishtail section is insert moulded onto the tubular section. 9. A composite spout and bag combination for an aerosol container, the combination comprising: a composite spout, the composite spout comprising: a polymer coated metal tubular section that is adapted to accommodate a valve arrangement of the aerosol container; anda plastic fishtail section partially disposed within the polymer coated metal tubular section; anda bag comprising a multilayer film, the film having a metal foil layer interspersed between plastic layers. 10. A composite spout and bag combination according to claim 9, wherein the metal tubular section has a base that defines a recess, the plastic fishtail section includes a nut, and the plastic fishtail section is partially disposed within the polymer coated tubular section and secured to the polymer coated tubular section by the nut. 11. A composite spout and bag combination according to claim 10, wherein the nut is integral with the plastic fishtail section. 12. A composite spout and bag combination according to claim 10, wherein the fishtail section is made from polypropylene. 13. A composite spout and bag combination according to claim 10, wherein the fishtail section is insert moulded onto the tubular section.
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이 특허에 인용된 특허 (10)
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