|Publication number||US3146806 A|
|Publication date||1 Sep 1964|
|Filing date||9 Aug 1962|
|Priority date||9 Aug 1962|
|Publication number||US 3146806 A, US 3146806A, US-A-3146806, US3146806 A, US3146806A|
|Original Assignee||Ginsburg Henry|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (5), Referenced by (42), Classifications (26)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Se t. 1, 1964 H. GINSBURG DISPENSING CONTAINER FOR LIQUIDS Filed Aug. 9, 1962 IN VEN TOR.
' XHENRY GINSBURG ATTORNEY United States Patent 3,146,806 DISPENSING CONTAINER FOR LIQUIDS Henry Ginsburg, 232 Fairmont Ave., New Castle, Pa. Filed Aug. 9, 1962, Ser. No. 215,873 2 Claims. (Cl. 141-110) This invention relates to a dispensing container primarily for medicinal preparations commonly used in the home, and more particularly to improvements in a stopper assembly adapted to be slideably positioned and permanently retained in the neck of a bottle for use in addition to a screw-type of cap normally provided for such containers. It is now common practice in the art to package various liquid preparations in a glass bottle having a screw-type cap which may or may not be provided with a permanently attached depending applicator stern which in a closed position of the cap extends down into the liquid in the bottle. Many of these liquid preparations contain highly volatile carriers such as alcohol and ether and, in addition, the active ingredients are often of a crystalline character in their undissolved state. This combination of characteristics presents considerable problems in the packaging of the liquid preparation and in the dispensing of the same from the package in normal day-to-day or week-to-week use. First, such liquid preparations are, of course, subject to rapid evaporation when the cap is off the bottle and, secondly, since the preparations are purposely made of maximum Wetting and spreading power the open end of the neck of the bottle and the adjacent screw threads are more or less completely wetted upon each use of the preparation whether the cap is provided with an attached depending dauber and whether or not a separable dauber or swab is used. The wetting is more pronounced if the liquid is simply poured out of the bottle. This evaporation and dispersion is not only objectionable because of loss of the fluid but also for the facts that heavy odors are imparted to the atmosphere and that the resultant evaporation of the fluid about the screw threads and the outer surface of the neck of the bottle interferes with proper application of the cap and makes an unsightly appearance particularly if the crystalline substances are highly colored.
It is the primary object of this invention to provide a stopper assembly for use in the neck of a bottle in addition to the usual closure cap which is operative to impede evaporation and loss of fluid and which may be used with elongated stick-type of various applicators in such manner that the fluid preparation is kept free and clear of the open end of the neck of the bottle, from the screw threads thereof and generally from the exterior surface of the bottle neck. An ancillary object and advantage of the structure of my invention is that while stopper permits the insertion and withdrawal of elongated applicators it is yet operative to impede the rapid outflow of the liquid preparation if the bottle should be accidentially overturned when its cap is off. Further objects and advantages of the invention are that the stopper assembly inherently provides a sealing gasket for the closure cap and in that a well is provided in the upper portion of the stopper to receive any excess or unused fluid in a sealed manner within the cap to permit this excess or unused fluid to drain slowly down into the bottle as the closed bottle rests on the shelf.
A still further object of the invention is the provision of an improved combined cap, dropper and applicator which may be used in connection with the improved bottle stopper assembly of my invention.
The above and other objects and advantages of my invention will become apparent upon consideration of the following specification and the accompanying drawing wherein there is disclosed a preferred embodiment of the invention.
3,146,895 Patented Sept. 1, 1964 In the drawing:
FIGURE 1 is a fragmentary vertical section of an assembled bottle and stopper constructed according to the principles of my invention;
FIGURE 2 is a sectional view taken along the line IIII of FIGURE 1;
FIGURE 3 is a sectional View of a cap which may be used on the bottle of FIGURE 1; and
FIGURE 4 is a sectional view of a modified form of cap with dropper and applicator permanently attached thereto which may be used on the bottle of FIGURE 1.
In the drawing, reference numeral 10 designates a conventional medicinal bottle having a neck 11 formed on its outer surface with integrally cast threads 12. The improved stopper assembly of my invention comprises a tubular member 13 having an integral outwardly directed flange 14 at its upper or outer end and a transverse wall 15 at its inner or bottom end. The wall 15 is slit radially outward from its center point along a multiplicity of circumferentially spaced lines to provide segments 16 which are free at their radially inward ends but which are integrally attached at their outer peripheries to the tubular member 13. Axially intermediate the bottom wall 15 and the flange 14- is a wall 17 which is identical in all respects to the wall 15being similarly slit and segmented and forming an integral part of the member 13. Intermediate the walls 15 and 17 and slightly compressed thereby as well as by the outer cylindrical wall of the member 13 is a plug 18 of spongy or foam-like material.
The member 13 is molded of resilient flexible plastic material such as polyethylene or nylon or other suitable plastic of a chemical composition which is inert to the ingredients of the fluid which will be stored in the bottle. The plug 18 is made of similar material and is pierced longitudinally along its central axis but the expansive tendency of the sponge-like material is such as to normal ly almost close this pierced hole. The action is such that when the bottle is standing on a shelf for a substantial period of time any liquid which may be entrapped above the wall 17 or in the plug 18 will slowly drain downwardly through the slits in the walls 17 and 15 and through the almost closed pierced hole in the plug 18. The spongy mass of the plug 18 will thereby tend to dry out so that if later the bottle is accidentally overturned any liquid which would otherwise spill out of the end of the bottle will be absorbed by the plug 18.
As explained initially above, I preferably provide a detachable screw-cap in addition to the stopper assembly 14-18, and FIGURE 3 shows a molded cap member 19 which may be used for this purpose. Cap member 19 has an inner surface 20 which may overlie the flange 14 to thereby provide an effective seal for the cap.
Considering now the practical use of the stopper above described, it should be noted that any type of thin stick or rod-like applicator may be used to dispense the preparation packaged in the bottle. In FIGURE 1 I have illustrated a conventional wooden swab stick 21 to one end of which is tightly wound a bit of cotton 22. This swab assembly is of the kind which is prepared anew for each treatment and is discarded after each treatment. The yieldability of the segment 16 and of the spongy plug 18 is such that the wrapped end of the stick may be penetrated into the bottle by a firm aligned inward force being applied to the handle or clear end of the stick 21. Upon retraction of the swab the flexing action of the segment 16 in the barrier walls 15 and 17 and the compressive action of the plug 18 appears to cause the fibers of the cotton balls 22 to bite deeper into the grain of the wood of the stick 21 so that the swab is withdrawn without any loss of the cotton. The wiping action of these segments and plug, however, removes any excess liquid from the cotton so that there is no dripping after the swab is withdrawn although the cotton remains sufficiently wetted for effective application of the liquid medicant carried thereby.
If the nature of the treatment is such that a larger quantity of the liquid medicant should be applied I prefer to furnish the container with the combined cap and dropper shown in FIGURE 4. Here, the molded screw-cap member 23 permanently carries a squeeze bulb 24 which projects exteriorly of the cap member 23 and which communicates with a thin plastic tube 25 permanently secured to the inner face of member 23. Tube 25 is filled with a length 26 of spongy material similar to that used for the plug 18, and openings 27 are provided adjacent the bottom or free end of the tube 25 through which this spongy material may bulge. The bottom end of the tube 25 is closed as shown at 28 to facilitate entry of the tube into the bottle through the stopper. The bulb 24 operates in the conventional manner when the tube 25 is inserted into the bottle containing a liquid preparation to draw the liquid up into the tube 25. At the point of application subsequent squeezings of the bulb 24 will keep the bulges of material 26 in the openings 27 well moistened for a substantial period to treat wide areas or to build up a heavy application on a limited area. Alternatively, if only minute quantities of the preparation are required to be applied I may provide a suitable cap member with a solid rod-like applicator in the manner shown in US. Patent No. 2,509,369, for example.
It should now be apparent that I have provided an improved dispensing container primarily for highly volatile medicinal fluids which accomplishes the objects initially set out. By semi-sealing the glass container bottle evaporation and loss of liquid is very substantially reduced, the odor emitted is of much lower density, and the outflow of liquid is for all practical purposes arrested in the event that the bottle should be accidentally overturned when its cap is off. No excess liquid is drawn from the bottle to wet and contaminate the open end of the bottle or the exterior surface of its neck or the threads on said neck so that there is no wastage of the fluid, no formation of unsightly and odorous incrustation, and no interference with the operation of the threads. Also, an effective sealing gasket for the closure cap is inherently provided, and since the mass of the semi-sealing stopper is spaced inwardly from the open end of the bottle neck a well is provided to receive any excess liquid in sealed condition to allow time for the liquid to seep downwardly into the principal body portion of the bottle.
While I have emphasized the use of my invention for packaging and dispensing medicinal liquid preparations it should be obvious that the invention is equally applicable for various other purposes such as the storing and dispensing of poisonous or corrosive fluids or expensive fluids which it is normally desired to use sparingly.
Since various changes may be made in the details of construction of my device without departing from the spirit or scope thereof and since the invention may be utilized in varying applications reference should be had to the appended claims in determining the scope of the invention.
1. For use in a liquid dispensing bottle of the kind having an open neck and screw threads cast integrally with the neck on the exterior surface thereof a unitary tubular body member slideably received in said neck and having a radially outward directed flange at its outer end to overlie the end surface of said neck and thereby provide a sealing gasket for a conventional closure cap secured by said threads, said tubular body member having a pair of axially spaced transverse walls positioned inwardly of said flange, each of said walls being slit radially outward from the central longitudinal axis of said body member along a multiplicity of circumferentially spaced lines, said body member being formed of yieldable and flexible plastic material whereby the radially inner ends of the segments thus formed in said walls by said slits may be flexed in an axial direction to permit the insertion of an applicator stem into the body portion of said bottle, and a plug of sponge-like foamesced and compressible plastic material positioned Within said tubular body member intermediate said transverse walls thereof, said plug being pierced in axial alignment with the longitudinal axis of said tubular body member.
2. An insert for use in the neck of a liquid dispensing bottle comprising a unitary tubular body member formed of yieldable and flexible plastic material for slideable reception in the neck of the bottle in fluid-tight relation therewith, said body member having a pair of integral and axially spaced but inwardly directed flanges each having a centrally disposed passage therein to permit the insertion of an applicator stem into the body portion of the bottle and removal of the stem therefrom, the uppermost of said flanges being spaced downwardly from the upper end of the body member to provide a cavity extending downwardly from the top edge of the neck of the bottle, a plug of sponge-like foamesced and compressible plastic material positioned within said tubular body member intermediate said flanges, said plug being pierced in axial alignment with the longitudinal axis of said body member to permit the entry of said applicator stem, and the material of said plug being such that the pierced aperture therethrough is substantially closed when said applicator stem is removed.
References Cited in the file of this patent UNITED STATES PATENTS 1,313,566 Trowbridge Aug. 19, 1919 2,129,144 Lancaster Sept. 6, 1938 2,197,326 Streyle Apr. 16, 1940 3,033,213 Joss et al May 8, 1962 3,084,374 Ziegler Apr. 9, 1963
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|U.S. Classification||141/110, 141/89, 215/391, 206/828, 206/229, 222/563, 206/438, 206/524.1, 215/392, 141/24, 401/126, 401/122|
|International Classification||A45D34/04, B65D51/32, A61M31/00, A61F13/38|
|Cooperative Classification||A61M31/00, A61F13/38, A45D34/04, Y10S206/828, B65D51/32, A45D2200/1018|
|European Classification||A61M31/00, A45D34/04, B65D51/32, A61F13/38|