Divergently vented aerosol dispenser outer container therefor and preform therefor
AssigneeThe Procter & Gamble Company
InventorsAndrew William Franckhauser, Scott Edward Smith, Douglas Bruce Zeik
Life of this patent
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Abstract
An aerosol dispenser, an outer container for an aerosol dispenser and a preform for an outer container. The aerosol dispenser, outer container and preform each have a neck, which in turn has a crimp ring, to receive a valve cup clinched thereto. The crimp ring has slots which act as vents therethrough. The vents may be exposed to pressurized propellant and product due to deformation of the neck during undue internal pressurization. The cross section of the vents diverge in the downward direction to provide both flow area and for product and propellant and adequate area for the valve cup to be corrugatedly clinched to the crimp ring.
Claims13
An outer container for use in an aerosol dispenser and having a longitudinal axis, said outer container comprising:
- an open top having a crimp ring there around,
- a shoulder disposed in spaced relationship below said crimp ring,
- a lower neck portion depending from said crimp ring to said shoulder,
- sidewalls depending below said shoulder, and
- a closed end bottom joined to said sidewalls,
- said crimp ring having an upper surface and a lower surface opposed thereto, said upper surface and said lower surface being joined by an outer surface, an inside diameter surface being opposed to said outer surface, said outer surface of said crimp ring having at least one longitudinally oriented vent having a cross section divergently extending from said upper surface to said lower surface, said vent diverging from said upper surface to said lower surface, whereby said at least one vent has a first cross section at said upper surface and a second cross section at said lower surface, said second cross section being greater than said first cross section, said inside diameter surface having at least one vent, wherein said at least one vent on said inside diameter surface extends through a portion of said lower neck portion;
- a valve cup radially clinched to said crimp ring;
- the valve cup including an annular platform having an annular inner skirt wall, annular bottom wall, annular top wall, and an annular outer skirt wall;
- the annular top wall is adjacent, radially outward from and contiguous with the outer skirt wall;
- the annular outer wall is adjacent, radially outward from and contiguous with the annular top wall;
- and
- wherein the annular outer wall includes one or more circumferentially spaced holes through the outer wall.
An aerosol dispenser for dispensing a product therefrom and having a longitudinal axis, said aerosol dispenser comprising:
- an outer container having an open top with a crimp ring therearound,
- a shoulder disposed in spaced relationship below said crimp ring,
- a lower neck portion depending from said crimp ring to said shoulder,
- sidewalls depending below said shoulder,
- a closed end bottom joined to said sidewalls,
- a valve cup radially corrugatedly joined to said crimp ring,
- a valve joined to said valve cup for dispensing product from said outer container,
- a product delivery device disposed in said outer container, and
- propellant disposed in said outer container and in operable relationship with said product delivery device,
- said crimp ring having an upper surface and a lower surface opposed thereto, said upper surface and said lower surface being joined by an outer surface, an inside diameter surface being opposed to said outer surface, said outer surface of said crimp ring having at least one longitudinally oriented vent having a cross section divergently extending from said upper surface to said lower surface, said vent diverging from said upper surface to said lower surface, whereby said at least one vent has a first cross section at said upper surface and a second cross section at said lower surface, said second cross section being greater than said first cross section, said inside diameter surface having at least one vent, wherein said at least one vent on said inside diameter surface extends from said upper surface of said crimp ring through a portion of said lower neck portion,
- the valve cup including an annular platform having an annular inner skirt wall, annular bottom wall, annular top wall, and an annular outer skirt wall;
- the annular top wall is adjacent, radially outward from and contiguous with the outer skirt wall;
- the annular outer wall is adjacent, radially outward from and contiguous with the annular top wall;
- and
- wherein the annular outer wall includes one or more circumferentially spaced holes through the outer wall.
Dependencies are inferred from the claim text.