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Número de publicaciónUS2592801 A
Tipo de publicaciónConcesión
Fecha de publicación15 Abr 1952
Fecha de presentación20 Oct 1949
Fecha de prioridad20 Oct 1949
Número de publicaciónUS 2592801 A, US 2592801A, US-A-2592801, US2592801 A, US2592801A
InventoresHanington Charles A
Cesionario originalHanington Charles A
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos: USPTO, Cesión de USPTO, Espacenet
Adhesive bandage material
US 2592801 A
Resumen  disponible en
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Reclamaciones  disponible en
Descripción  (El texto procesado por OCR puede contener errores)

April 1952 c. A. HANINGTON 2,592,801

ADHESIVE; BANDAGE MATERIAL Filed Oct. 20, 1949 Patented Apr. 15, 1952 UNITE SITE AT' 'ENT OFFICE ADHESEVE BANDAGE MATERIAL Charles A. Harrington, Freepcr-t, N. Y. v Application October to, 1949,1Ser'idl No. Itasca 1 1 (Hahn. (CL 128- 156) This invention relates to bandage material and in particular to the manufacture of the same to render it adhesive.

There are self adherent bandages on the market which adhere to themselves as their layers overlap one another in wrapping the bandage, but in all the various forms, the entire fabric of the gauze is made adhesive, either by impregnating the complete fabric by immersion, and then subsequently squeezing out the surplus adhesive, or by applying the adhesive between rollers, or other methods of application. However processed, when the entire fabric is made adhesive, the adhesive being water repellent, the

gauze loses most of its absorbing qualities, so desirable in a, bandage.

Also, when the entire fabric is made adhesive, all the fibres and a preponderance of the interstices between the threads are filled with the adhesive material, thus reducing the desirable ventilating qualities of the gauze considerably. When the entire fabric is impregnated the ad hesive partially locks the threads together, reducing the free flexibility of the gauze and resulting in a stiff uncomfortable bandage. My invention contemplates a new type of self adherent bandage which is free of the foregoing drawbacks, inherent in previous self adherent bandages.

The positioning of the innumerable small areas of impregnation are predetermined and are evenly placed throughout the entire fabric, thus main taining the same degree of adhesion, ventilation and flexibility throughout the entire fabric, These small areas are also clean cut, and fill up the pores of the fabric within their respective areas only, leaving the main body of the fabric in its original form, free to absorb, ventilate and flex.

I prefer to use latex for the adhesive although other adhesive mediums may be used, and as latex will not readily adhere to the plain gauze in subsequent wrappings of a bandage (which would be the case if the small adhesive areas were applied to only one side of the gauze), it is imperative that the small adhesive areas offer adhesion on both sides of the gauze, so they will come in contact with the small adhesive areas on the preceding wrappings. To effect this result the adhesive is forced into the mesh or the fabric at the predetermined areas, filling up the pores of the fabric within their respective areas and offering an adhesive surface to both sides of the fabric at the area of impregnation. In using my bandage, the innumerable small adhesive areas on 2 the bottom of subsequent wrappings come in con tact .at'myriads of places with the small'adhes'ive areas on the top of preceding wrappings, adhering thereto, and so holding the bandage in place Without other binding means, at the same time providing almost as much absorptionventi-lation and flexibility as would the plaingauze bandage. The important objects of 'my'inventionare to provide a bandage, the pores of the material of which are filled with the adhesive material at innumerable small areas of impregnation only, to provide small adhesive surfaces on both sides of the fabric at these areas which constitute approximately twenty-five percent of the area of the material; to provide an untreated area of substantially seventy-five percent of the area of the material so that being in its natural original state it will freely absorb moisture and will aiford the same ventilation and flexibility as plain gauze; and to so arrange the innumerable small areas in such predetermined spatial relation that qualities of equal adhesion, absorption, ventila tion and flexibility are preserved.

With these and other objects in view, the invention comprises certain construction hereinafter described and then particularly pointed. out in the claim and a preferred embodiment of my invention is illustrated in the accompanying drawing in which:

Figure 1 is a pictorial representation of a. finger to which a strip of bandage constructed in accordance with my invention, is applied,

Figure 2 is a greatly enlarged face view of a fragment of bandage material showing the relative areas of adhesive and absorbent material,

Figure 3 is a cross sectional view of a piece of gauze or bandage fabric as illustrated in Figure 2 showing the spaced adhesive areas, and

Figure 4 is a greatly enlarged section taken through the gauze fabric at one of the adhesive areas to show how the adhesive material fills the interstices of the fabric.

Referring to the drawing in detail [0 indicates bandage fabric comprising the warp and Woof threads H and [2 respectively Woven in such a manner as to leave therebetween'interstices l3 which render the bandage material porous so that the part covered thereby can be ventilated. Small areas of adhesive M are applied to the bandage material at predetermined evenly spaced points from each other and in such spatial relation that the areas of the adhesive and the areas of the plain fabric are in the relation of approximately one quarter and three quarters respectively.

As seen in Figures 3 and 4 the adhesive, which is preferably latex, forms a solid area extending through the interlacings of the threads and laterally and longitudinally therebetween so that spaced adhesion areas are presented at both sides of the fabric so that when the latter is wound about a part to be bandaged there wili be cohesion between the layers of bandage without the air blocking objection that is found in bandages in which the threads of the material are impregnated with an adhesive substance throughout their length.

The use of the spaced adhesive areas provide means whereby successive layers of a wrapped bandage cohere and do not require other means for securing the bandage in place. Further, the percentage of area of unimpregnated material provides for the retention of the major absorbing quality of the bandage fabric. In adhesive bandages wherein the threads are coated with an adhesive substance, the desirable quality of absorption is lost and the increased diameter of the threads by the application thereto of the adhesive material restricts the area of the interstices and thus decreases materially the porosity of the bandage. By maintaining a relative proportion of substantially one to three between the areas of adhesion and absorption a bandage of desirable properties is provided and one which can be quickly applied and adjusted, can be wrapped by the individual using it and will remain in a securely wrapped or applied position without use of other fastening means.

My invention is not to be restricted to the 4 precise detaiis of construction shown since various changes and modifications may be made therein without departing from the scope of the invention or sacrificing the advantages to be derived from its use.

What I claim is:

An adhesive bandage comprising warp and woof threads arranged in open weave to present interstices providing a porous absorbent material. an adhesive substance in the form of dots completely embedding the warp and woof threads applied at spaced points throughout the area of both sides of the material and arranged to occupy substantially one quarter of the area of the material and presenting at opposite faces of said material areas of adhesion whereby when the material is wrapped as a bandage the layers thereof will be held in cohesive relation and substantially three quarters of the area of the material will serve as an absorbent ventilating medium.


REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 7 2,177,425 Barker Oct. 24, 1939 2,204,859 Hyatt et al June 18, 1940 2,310,082 Holbrooke Feb. 2, 1943 2,349,709 Evans May 23, 1944 23106287 Grimshaw Aug. 20, 1946

Citas de patentes
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Clasificación de EE.UU.602/75, 428/196, 602/55
Clasificación internacionalA61F13/02
Clasificación cooperativaA61F13/02
Clasificación europeaA61F13/02