Dispensing – With recorder – register – indicator – signal or exhibitor – Audible
Patent
1998-01-23
1999-11-02
Kaufman, Joseph A.
Dispensing
With recorder, register, indicator, signal or exhibitor
Audible
222490, 222494, 222548, 222555, B67D 532
Patent
active
059753544
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a dispenser capsule with an off-center aperture for a container having a product to dispense, and more specifically a liquid or pasty product.
2. Description of Background and Relevant Information
The dispensing capsules preferably replace the simple screw-on caps, said capsules remaining coupled to the container, while the opening and closing are effected by a special maneuvering of the cap.
A capsule is known, for example, which includes, on the one hand, a cap provided with a central dispensing aperture mounted to be screwed and unscrewed between at least two positions, by means of at least one threading provided on the band or neck of the container, and, on the other band, a reducer integral with or attached to the band and provided with a closing end piece, so as to close the aperture of the cap at will depending on its position on the band. With this type of capsule, a more or less substantial remainder of the product usually remains on the top of the cap after use and closure.
A capsule for a container is also known which includes a cover or a reducer integral with or mounted fixedly on the container and a cap rotatably mounted with respect to the said cover, the latter and the cap each being provided with an off-center aperture so as to ensure the opening and closing of the capsule by respectively superposing or offsetting the said apertures with respect to each other during cap rotation.
In this case, the cap rotation is effected in one plane, i.e. without screwing or unscrewing.
By way of example, the documents U.S. Pat. No. 2,324,032 for powdery products, DE-1,143,440 and also WO-9511172 can be cited according to one of its embodiments.
The current systems for liquid or pasty products generally do not provide the product with proper sealing and, generally speaking, the open position by superposing the apertures is often random. In the last cited document, it was necessary to provide all of the surfaces which are in contact in the open and closed positions, in the form of sealing lips whose contours must be studied specifically.
SUMMARY OF THE INVENTION
Therefore, the inventor is proposing a capsule of the aforementioned type, but wherein the top internal surface of the cap comprises ajoint provided with or forming an off-center slit diaphragm which is located beneath the cap aperture, while the reducer has two projecting funnels offset at an angle, which are off-center to the same extent as the cap aperture, and the ends of which in contact with the joint are closed and open respectively, the reducer aperture being constituted by the opening of the open funnel such that the capsule opening and closing respectively, are effected by cap rotation and by superposing the cap aperture and its slit diaphragm with the open funnel or the closed funnel respectively of the reducer.
According to one embodiment, the cap is provided with an opening allowing the joint to appear so as to constitute a mark to be aligned with the fixed distinctive reference marks to locate the open and closed positions of the capsule.
Complementarily, or according to another embodiment, the lateral wall of the cap bears a mark adapted to be aligned with the fixed distinctive reference marks to locate the open and closed positions of the cap.
For example, the fixed reference marks are arranged on a peripheral base of the reducer.
The container can be a vial or a tube to which the reducer is affixed.
Various other means can also be provided.
Thus, the cap can be provided, for example, with at least one internal longitudinal bar adapted to cooperate with notches provided on a base of the reducer so as to temporarily lock the cap in the open and closed positions.
Furthermore, the cap can also comprise at least one limit stop adapted to cooperate with connected abutments arranged on the reducer to limit the rotative movement of the cap between the open and closed positions. In this case and according to a particular embodiment, the cap abutment
REFERENCES:
patent: 2324032 (1943-07-01), Schlabach
patent: 5111967 (1992-05-01), Schreiber
patent: 5161718 (1992-11-01), Gueret
patent: 5542670 (1996-08-01), Morano
patent: 5730322 (1998-03-01), Iba et al.
DEFI International
Kaufman Joseph A.
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