Aerosol dispenser

Patent metadata

Field	Value
Publication number	US-10836561-B2
Application number	US-201916595523-A
Country	US
Kind code	B2
Filing date	Oct 8, 2019
Priority date	Oct 8, 2018
Publication date	Nov 17, 2020
Grant date	Nov 17, 2020

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 including a crimp ring. The crimp ring may be configured to receive a valve cup, which is clinched thereto. The crimp ring includes one or more vents. The vents may be used to control overpressurization within the dispenser. The vents may be exposed to pressurized propellant and product due to deformation of the neck during undue overpressurization. The vents allow propellant and/or product to be released therethrough in the event of overpressurization.

First claim

What is claimed is:

1. An outer container for use in an aerosol dispenser, the outer container comprising:
a crimp ring defining an open top and extending about a longitudinal axis;
a lower neck portion adjacent the crimp ring;
a sidewall extending between the lower neck portion to a closed end bottom, wherein the crimp ring comprises:
an upper surface and a lower surface opposite the upper surface, wherein the upper surface and the lower surface are joined by an outer surface, and wherein the upper surface is a substantially planar surface; and
an inner surface opposite the outer surface, wherein at least one of the inner surface and the outer surface of the crimp ring has a vent;

a valve cup joined to the crimp ring, a valve disposed in the valve cup, propellant disposed in the outer container, wherein the valve cup has an outer wall defining at least three circumferentially spaced holes.

2. The outer container of claim 1 , wherein the vent is disposed on the outer surface of the crimp ring and extends from the upper surface to the lower surface of the crimp ring.

3. The outer container of claim 1 , wherein the vent is disposed on the outer surface of the crimp ring and extends from the lower surface through a portion of the outer surface.

4. The outer container of claim 1 , comprising a plurality of circumferentially spaced axially parallel vents disposed on the outer surface of the crimp ring.

5. The outer container of claim 1 , comprising a plurality of integrally injection molded circumferentially spaced vents disposed on the outer surface of the crimp ring.

6. The outer container of claim 1 , comprising a first plurality of integrally injection molded circumferentially spaced vents disposed on the outer surface of the crimp ring and a second plurality of circumferentially spaced vents disposed on the inside diameter surface of the crimp ring.

7. The outer container of claim 1 , comprising a first plurality of integrally injection molded vents circumferentially spaced and axially oriented disposed on the outer surface of the crimp ring and radially oriented on the lower surface of the crimp ring, and a second plurality of circumferentially spaced vents disposed on the inside diameter surface of the crimp ring.

8. The outer container of claim 1 , comprising a valve cup joined to the crimp ring, a valve disposed in the valve cup, and a propellant disposed in the outer container.

9. The outer container of claim 1 , comprising a shoulder adjacent the crimp ring, wherein the lower neck portion extends from the crimp ring to the shoulder.

10. The outer container of claim 1 , wherein the crimp ring is made of plastic.

11. The outer container of claim 1 , wherein a portion of the lower neck portion is crystalized.

12. An aerosol dispenser for dispensing a product, the aerosol dispenser comprising:
an outer container defining an open top and having a bottom opposite the open top;
a crimp ring extending about the open top of the outer container;
a sidewall extending between the crimp ring and the bottom of the outer container;
a valve cup joined to the crimp ring;
a valve joined to the valve cup for dispensing product from the outer container; and
a propellant disposed in the outer container,
wherein the crimp ring comprising:
an upper surface and a lower surface opposite the upper surface, wherein the upper surface and the lower surface are joined by an outer surface, and

wherein the upper surface is a substantially planar surface; and
an inner surface opposite to the outer surface, wherein at least one of the inner surface and the outer surface of the crimp ring has a vent;

wherein the valve cup has an outer wall with at least three circumferentially spaced holes therethrough.

13. The aerosol of claim 12 , wherein a gasket is positioned between a portion of the valve cup and the crimp ring.

14. The aerosol dispenser of claim 12 , having vents disposed on both of the inner diameter surface and the outer surface of the crimp ring.

15. The aerosol dispenser of claim 12 , having vents disposed on both of the inner diameter surface and the outer surface of the crimp ring and further comprising radial vents disposed on the lower surface of the crimp ring.

Assignees

• Procter & Gamble

Inventors

• Martin Matthew John
• Franckhauser Andrew William
• Zeik Douglas Bruce

Classifications

• B29C2949/0801

  Finish neck ring · CPC title

• B29C2949/0778

  characterised by the flange · CPC title

• B29C2949/0769

  characterised by the lip, i.e. very top of preform neck · CPC title

• B29C2949/0744

  at neck portion · CPC title

• B65D83/384 Primary

  the container body being an aerosol container located in an outer shell or in an external container · CPC title