Fluid sprinkling – spraying – and diffusing – Including supply holder for material – Resilient holder wall
Patent
1997-05-05
1999-09-28
Weldon, Kevin
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
Resilient holder wall
239552, 239567, 215346, B05B 114
Patent
active
059573880
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND--FIELD OF THE INVENTION
The invention relates to a container for a flowable cleaning agent and specifically to an elastic bottle for a liquid thixotropic WC bowl cleaner comprising a spray head at the container mouth and having at least one spray orifice communicating with the interior of the container, as well as a closure cap extending over and covering the spray head and releasably engaging the container.
BACKGROUND--DESCRIPTION OF THE PRIOR ART
There have been known aerosol containers having a cap-like spray head (German Utility Model 1,949,691) including a wall portion or panel on which pressure must be exerted to open a valve disposed inside the aerosol container. Accordingly, an aerosol container can comprise a distributor head having a plurality of discharge opening therethrough, a wall panel disposed between said distributor head and a valve inside the container and extenting in parallel with the container bottom, and a feed conduit extending between the container valve and the distributor head having said discharge openings distributed over all of its surface, said feed conduit being coaxial with the valve axis and the wall or panel to be actuated for opening and closing the container valve being formed as a portion of a sealing disk.
Also known is a water sprinkler system comprising a sprinkler plate which has a plurality of spinkler orifices therethrough and forms the cover of a funnel-shaped housing connected with a water inlet, wherein a plurality of spherical bodies is arranged to interrupt the stream of water exiting through the sprinkler orifices so as to generate a continuously changing sprinkling pattern. (WA 88/00497).
SUMMARY OF THE INVENTION
The invention relates particularly to the state of the development of liquid WC bowl cleaner products.
In addition to tensides, the acidic liquid WC bowl cleaners known to date essentially contain organic acids (such as formic acid, acetic acid, citric acid, maleic acid; lactic acid, tartric acid, etc.) or inorganic acids (such as phosphoric acid and hydrochloric acid), as well as polysaccharides as thickening agents. In particular, the inorganic acids and formic acid are potentially hazardous because of their etching effect and should not be used for household cleaners. The use of acetic acid is limited by its pungent odor. The viscosity generated by the thickening agents is supposed to get the acidic cleaner to act also on vertical surfaces in a WC bowl for as long a time as possible.
As the viscosity of the WC bowl cleaner cannot be increased to any level desired (its capacity to dissolve calcareous deposits decreases with increasing viscosity) because it would become increasingly difficult to distribute the product, the time for which the calcareous deposit-dissolving components of the WC bowl cleaner can exert their effect is limited, and so is their effective concentration.
The thixotropic characteristics of the liquid WC bowl cleaner cause the liquid to adhere to vertical surfaces; the resultant requirement of an adequate distribution of the product gives rise to the object underlying the invention, namely, to design a container for flowable cleaners, particularly a bottle for liquid thixotropic WC bowl cleaners in accordance with the preamble of claim 1 which provides for the optimum distribution of sufficient quantitites of the product while it allows the spray head of the container to be sealed in a child-proof manner.
In accordance with the invention, the spray head comprises a cylinder-like basic body which extends from the container and of which the bottom end is connected with the container while its wall at the free top end flares in a substantially convex-like manner, relative to the central axis of the spray head, and a mandrel-like body disposed within said cylinder-like basic body in its upper section and symmetrical to its central axis, said mandrel-like body being connected at its bottom end to the inne wall of the cylinder-like basic body and arranged over its longitudinal extent in a spaced relationship to
REFERENCES:
patent: 2383433 (1945-08-01), Burnam
patent: 2492037 (1949-12-01), Freeman et al.
patent: 2825603 (1958-03-01), Altengott
patent: 2840277 (1958-06-01), Bach
patent: 2967261 (1961-06-01), McCuiston et al.
patent: 3583602 (1971-06-01), Gruber
patent: 5269445 (1993-12-01), Tobler
Weldon Kevin
Yankee Polish Luth GmbH & Co.
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