Plastic aerosol valve and method of assembly, mounting and retention

A plastic product container and a plastic aerosol valve assembly mounted and retained on the plastic product container, said valve assembly comprising in combination a plastic valve stem, a plastic valve housing, a plastic mounting cup and a plastic locking ring;

• said plastic housing having a snap fit connection with said plastic mounting cup;
• said plastic product container having a neck with a top opening and a flange outwardly extending from the neck;
• said plastic locking ring having an inner portion with flanges extending inwardly and snap fitted over the said neck flange of the plastic product container and including an outer retaining ring portion telescoped over said locking ring inner portion.

A method of assembling an aerosol valve assembly having a plastic valve stem and a stem gasket, a plastic valve housing, a plastic mounting cup, and a plastic locking ring having an upper portion frangibly connected to a lower portion, comprising assembling the valve stem and stem gasket into the plastic mounting cup and snap fitting the plastic valve housing into the plastic mounting cup.

An aerosol valve assembly, comprising in combination a plastic valve stem, a plastic valve housing, a plastic mounting cup and a plastic locking ring member;

• said plastic housing having a snap fit connection with said plastic mounting cup;
• said plastic locking ring member having flanges for snap fitting onto the neck of a product container;
• and a metal retaining ring telescopable over the plastic locking ring member to maintain said flanges on the neck of the product container.

A plastic product container and an aerosol valve assembly mounted and retained on the plastic product container, said valve assembly comprising in combination a plastic valve stem, a plastic valve housing, a plastic mounting cup and a locking ring;

• said plastic housing having a snap fit connection with said plastic mounting cup;
• said plastic product container having a neck with a top opening and a flange outwardly extending from the neck;
• said locking ring having an inner portion with flanges extending inwardly and snap fitted over the said neck flange of the plastic product container and including an outer retaining ring portion telescoped over said locking ring inner portion.