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Publication numberUS3614245 A
Publication typeGrant
Publication dateOct 19, 1971
Filing dateAug 15, 1967
Priority dateAug 15, 1967
Publication numberUS 3614245 A, US 3614245A, US-A-3614245, US3614245 A, US3614245A
InventorsSchwartzman Gilbert
Original AssigneeSchwartzman Gilbert
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Single-use applicator
US 3614245 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

United States Patent [72] Inventor GilbertSchwartzman 20 Wilmot Circle, Scarsdale, N.Y. 10583 [21] AppLNo. 660,733 [22] Filed Aug. 15, 1967 [45] Patented Oct. 19,1971

[54] SINGLE-USE APPLICATOR 1 Claim, 5 Drawing Figs.

[52] U.S.Cl 401/132, 401/196, 128/269 51 mac! Amines g9 [50] FieldofSearch 401/132, 134,196,133

[56] References Cited UNITED STATES PATENTS 1,221,227 4/1917 Schulz 401/132 2,642,065 6/1953 Negri... 401/134 3,152,352 10/1964 Kosik 401/132 FOREIGN PATENTS 1,016,053 1/1966 Great Britain 401/132 1,021,968 3/1966 Great Britain. 401/132 153,904 7/1938 Austria... 401/133 1,130,737 10/1956 France 401/133 Primary Examiner-Robert W. Michell Atlorney- Kenneth S. Goldfarb SINGLE-USE APPLICATOR This invention relates to an applicator and more particularly to a device of this type which is essentially adapted for a single use.

Briefly, the concept of this invention involves the use of a frangible capsule in a pad of cellulose fiber which is encased in a fiuidproof envelope. The envelope has a tapered opening end through which a conical pointed end of the pad extends. Upon breaking of the capsule, fluid in the capsule will saturate the pad and flow out of the open end for application onto the desired surface by the pointed end of the pad.

It is an object of the present invention to provide a singleuse applicator of a convenient pencil shape and adapted for use in applying medications, pigments, paint, ink, cosmetics, shoe polish or the like onto any desired surface in a convenient manner and wherein even very thin lines can be formed as desired.

A further object of the present invention resides in the provision of a single-use applicator having unlimited shelf life yet which is so inexpensive to manufacture as to enable such to be disposed of economically after a single use.

A further object of the present invention resides in the utilization of a frangible capsule disposed in a pad of cellulose fiber material which is encased in a suitable fluidtight envelope designed so that once the capsule has been broken, the fluid can pass only out of an open end in a particular direction and which envelope and cellulose fiber pad are designed to protect the capsule against accidental breaking yet which will readily enable the breaking of the frangible capsule when such is desired.

Further objects and features of this invention reside in the provision of a single-use applicator that is simple in construction, light in weight, capable of being made in a convenient size for ready grasping by the hand of a user with means for protecting the fingers of the user against accidental staining, and which is adapted for wide distribution and use.

These, together with the various ancillary objects and features of this invention, which will become apparent as the following description proceeds, are attained by this single-use applicator, a preferred embodiment of which is illustrated in the accompanying drawing, by way of example only, wherein:

FIG. 1 is a longitudinal sectional view of a single-use applicator constructed in accordance with the concepts of the present invention;

FIG. 2 is an enlarged transverse sectional view taken along the plane of line 22 in FIG. 1;

FIG. 3 is a view similar to FIG. 1 but showing the manner in which the frangible capsule is broken;

FIG. 4 is a sectional view showing the applicator in use; and,

FIG. 5 is a sectional view of a modified form of the invention.

With continuing reference to the accompanying drawing wherein like reference numerals designate similar parts throughout the various views reference numeral generally designates an applicator having three main parts, an envelope 12, a pad 14, and a frangible capsule 16.

The capsule 16 is preferably formed of glass and is fluidand airtight and contains a suitable fluid 18 such as perfume, cosmetics, pigmented material, such as shoe polish, paint, ink, or the like. The capsule is provided with anchoring stems 20 and 22 of reduced cross-sectional area for enabling the convenient insertion of the capsule 16 in the pad 14.

The pad 14 is formed of a cellulose fiber material and may be provided with a longitudinal slit 24 therein for facilitating the insertion of the capsule in the pad M. The pad 14 is of a generally cylindrical-shaped elongated rod having a conical end 26 forming a pointed tip 28.

The envelope 12 is formed of any convenient synthetic plastic material which is fluidtight. Such materials are preferably somewhat flexible yet when used in conjunction with the pad 14 will be capable of retaining its rodlike shape even after having been bent enough to break the capsule as shown in FIG. 3. The envelope 12 includes a tubular cylindri cal casing 30 having a closed end 32 andhaving an o n end 34 through WhlCh the conical end 26 of'the pad protru es. The

open end 34 is of a truncated conical shape for forming a convenient finger grip for the user much as in the manner of a pencil or pen.

The applicator 10 is designed to be carried in a handbag of a lady, disposed in a suitable pocket of a garment of any person, such as a workman, physician, technician or the like. The fluid 18 is prevented from evaporating because of its airtight and fluidtight encasement in the capsule 16 so that the device has elongated shelf life. When it is necessary or desirable to use the applicator, the entire device is bent in the manner as shown in FIG. 3 allowing the fluid 18 to escape from the capsule l6 and saturate the pad 14. Holding the applicator in the manner shown in FIG. 4 will permit capillary and gravity feed of the fluid onto the pointed end 28 for application of the fluid onto any suitable surface 40. After use, the entire applicator may be disposed of.

In FIG. 5 there is shown a modified form of the invention wherein a relatively large capsule 116 containing the fluid is employed. This capsule 116 is similar to the capsule 16 but larger both in diameter and in length. The capsule 16 is provided with an anchoring stem 122 at the front end thereof and seats within the pad 14 of the assembly 110. The assembly includes a cylindrical casing having a completely opened end through which the pointed nose 128 of the pad extends. The closed end 132 may be integrally formed with the casing 130 or bonded thereto and may be convex in shape. The larger capsule 116 affords a larger supply of fluid. The end 132 may be attached by heat sealing. The use of the plane open end may permit the pad 114 to be cut to afford a brush-type effectand the casing 130 may be successfully cut back during use if such is found necessary.

A latitude of modification, change and substitution is intended in the foregoing disclosure, and in some instances some features of the invention will be employed without a corresponding use of other features.

I claim:

1. An applicator comprising an elongated cylindrical rodshaped pad of porous material, said pad having a longitudinal slit therein extending the full length thereof and having a conical-shaped pointed end, a fluid containing frangible glass capsule embedded in said pad and spaced from both ends of said pad extending beyond said capsule, said capsule having anchoring stems at the opposite ends thereof of reduced crosssectional area, a fluid-proof tubular envelope of plastic material having an integral closed end and an open end, said open end being of a truncated conical shape conforming closely to the contour of said pointed end, said pad being of cellulose fiber and being disposed in said envelope and tightly embraced thereby, said conical-shaped pointed end of said pad protruding from said open end with said truncated conical-shaped open end forming a protective finger grasp for the user.

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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3768916 *Dec 1, 1971Oct 30, 1973Medical Supply CoSponge with encapsulated liquid
US3847151 *Jun 4, 1973Nov 12, 1974Int Paper CoLiquid dispensing device
US4269526 *Apr 30, 1979May 26, 1981Baumgartner Papier S.A.Triacetine reinforced cellulose acetate
US4291697 *Apr 18, 1980Sep 29, 1981Stephen GeorgevichCleaning and application device for medical purposes
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US4717387 *Jun 25, 1986Jan 5, 1988Sumitomo Electric Industries Ltd.Catheter
US4788985 *Nov 10, 1987Dec 6, 1988Medtest CorporationDevice for cell sampling in a body cavity
US4925327 *Sep 28, 1988May 15, 1990Minnesota Mining And Manufacturing CompanyLiquid applicator with metering insert
US4952204 *Aug 10, 1988Aug 28, 1990Gam-Med Packaging CorporationDry handle swab assembly and unit
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Classifications
U.S. Classification401/132, 401/196, 604/2, 604/3
International ClassificationA61F13/40, G01N1/02
Cooperative ClassificationA61M35/006, G01N2001/028
European ClassificationA61M35/00B2