Rechargeable dispensers

Details Rechargeable dispensers Rechargeable dispensers

2000-06-13

2002-08-13

Douglas, Lisa Ann (Department: 3752)

Dispensing

Plural sources, compartment, containers and/or spaced jacket

At least one nondispensing

C222S136000, C222S325000, C222S383100

Reexamination Certificate

active

06431402

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to rechargeable dispensers, in particular rechargeable spray bottle dispensers, that can be recharged or refilled. Specifically, the present invention is particularly directed to spray bottle dispensers having one or more reservoirs containing chemical associated with the spray bottle dispensers so that the spray bottle dispensers can be recharged by simply adding water or some other suitable solvent, and accessing one or more of the chemical reservoirs to form a diluted chemical reagent.
BACKGROUND OF THE INVENTION
The use of spray bottles for dispensing chemical reagents (e.g., water, cleaners, soaps, insecticides, hair spray, etc.) are well known. Due to regulations limiting the amount of volatile organic carbons (VOCs) released in the atmosphere, products originally contained and dispensed through aerosols are currently being replaced with spray bottles.
Bottlers of chemical reagents typically market their products by purchasing separately empty plastic container bottles and sprayheads. The bottlers then fill, assemble, and label the completed spray bottle packages for delivery to retailers. Consumers purchase the filled spray bottles at the point-of-sale, and then consume the chemical contents of the spray bottle. Most consumers dispose of the spray bottles upon the one time use of the contents of the spray bottles. However, the spray bottles are still fully functional with respect to containing and dispensing chemical reagents, since the plastic bottles are substantially chemically resistant and the sprayheads remain fully functional after consuming the contents. Conventional point-of-sale type spray bottles can be recharged numerous times with chemical concentrate and water (i.e. at least 10 times, possibly 100 times while maintaining full operation). Thus, consumers dispose of large quantities of reusable product (i.e., empty spray bottles) having high utility value.
In today's environment of numerous regulations to control pollution, and consumer and industrial awareness for conserving resources and reducing landfill waste, it is highly desirable to promote the reuse of products that maintain their utility, and dispose of only products that no longer have any utility. Many bottlers are currently selling concentrate in various sized containers to allow consumers to recharge point-of-sale type spray bottles with their particular concentrates. However, many consumers are unwilling to adopt such methods apparently due to some inconvenience in the steps involved with the recharging process of the spray bottles. In particular, there is some inconvenience in removing the sprayhead, opening the chemical concentrate container, pouring the chemical concentrate into the empty spray bottle, adding water, and re-attaching the sprayhead to the bottle. Further, consumers apparently lack interest in recharging spray bottles due to some reluctance based on their inexperience and knowledge in mixing and diluting liquids, which is done by processing chemists for the bottlers. In addition, recharging is usually a messy undertaking due to spillage of chemical concentrate while pouring from one container to the other, overfilling, accidentally knocking over the bottle being filled due to its instability when unfilled, and other undesirable mishaps that can occur, that provide substantial inconveniences.
Importantly, sizeable containers (e.g., pint, quart, gallon, liter sizes) of chemical concentrate can be significantly hazardous to transport and handle by consumers unaware of the potent chemical properties of the chemical concentrates. Specifically, chemical spills of concentrate can damage items around the home including flooring, carpeting, countertop in kitchens and bathrooms, shelves, and other items the chemical concentrate could potentially come into contact with. Further, chemical concentrate can impose a significantly greater health risk to persons coming into accidental contact therewith potentially causing tissue burns and other damage.
Most importantly, chemical concentrate imposes a great risk to children who may accidentally ingest the chemical concentrate and become poisoned. Chemical concentrate greatly increases the chance of permanent injury or death in this regard to children versus current diluted chemical reagents contained in point-of-sale type spray bottles.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a rechargeable dispenser, in particular a spray bottle dispenser having one or more chemical concentrate reservoirs associated with the spray bottle dispenser.
Another object of the present invention is to provide a rechargeable dispenser, in particular a spray bottle dispenser having one or more chemical concentrate reservoirs disposed within the spray bottle dispenser.
A further object of the present invention is to provide a rechargeable dispenser, in particular a spray bottle having one or more chemical concentrate reservoirs disposed within the spray bottle dispenser, and accessible by bursting.
An even further object of the present invention is to provide a rechargeable dispenser, in particular a spray bottle having one or more chemical concentrate reservoirs disposed within the spray bottle dispenser, and accessible by puncturing.
These and other objects can be achieved by the rechargeable dispenser, in particular the spray bottle dispenser according to the present invention.
The main concept according to the present invention is to provide a rechargeable dispenser, in particular a spray bottle dispenser package having at least one supply of chemical to allow the spray bottle dispenser to be recharged at least one time. The chemical can be in the form of a gas, liquid, semi-solid or solid. Specifically, the chemical liquid can be a one phase mixture, a two phase mixture, a dispersion or any other chemical reagent having liquid characteristics. The chemical semi-solid can be in the form of a slurry, paste, solid dispersed in a liquid that still exhibits some liquid type characteristics, and the solid can be in the form of powder, granules, tablet or other solid material form.
The chemical is preferably a concentrated chemical that is readily diluted with a solvent, in particular plain water. Preferably, the chemical can be immediately diluted, however, a chemical substance that can go into solution over a 24 hour or longer period of time can potentially be suitable for some applications.
The preferred embodiments of the present invention involve associating at least one quantity of chemical with the spray bottle dispenser itself. Specifically, the chemical is stored in some manner, and connected directly internally or externally to the spray bottle dispenser. However, the present invention is broader in scope to include packaging the chemical and spray bottle dispenser together (i.e., connected indirectly) to be marketed at the point-of-sale. In this embodiment of the invention, a consumer would purchase the package containing a supply of chemical and the spray bottle dispenser, separate at home the spray bottle dispenser that has been filled by the bottler from the package and store the chemical portion of the package separate from the spray bottle dispenser in the household. The user would then retrieve the stored chemical upon consuming the initial contents of the spray bottle dispenser for purposes of recharging the spray bottle dispenser.
The preferred embodiments of the invention store the at least one quantity of chemical directly or indirectly inside or outside the spray bottle dispenser. In the case of an indirect connection to the spray bottle dispenser, a mechanical fastener such as a plastic strip connects an external chemical reservoir to the spray bottle dispenser. In the case of a direct connection, the chemical reservoir is directly connected internally or externally to the spray bottle dispenser. The most preferred embodiments store the at least one quantity of chemical inside the spray bottle dispenser, particularly the bottle portion, to fully contain any inadverte

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