SURFACE MOUNTABLE DELIVERY DEVICE

Abstract

There is described a surface mountable delivery device which has a multi layer construction comprising a liquid permeable support layer adjacent to a porous reservoir layer, the porous reservoir layer being provided with a backing layer. The surface mountable delivery device may comprise of stickers, tapes, pads, tubes, socks, etc.

Claims

1. A surface mountable liquid gel delivery device which has a multilayered construction comprising a perforated elastomeric support layer having closed perforations when the device is in the uncompressed state, the elastic support layer being located adjacent to one side of a layer of porous nonwoven material having a porosity of 75 to 99%, said layer of porous nonwoven material, acting as a reservoir, being impregnated with an antibacterial liquid gel comprising alcohol, and the porous nonwoven layer being provided with a backing layer on a side opposite the support layer.

2. (canceled)

3. A surface mountable delivery device according to claim 1 wherein the liquid permeable support layer is a porous film.

4. A surface mountable delivery device according to claim 1 wherein the liquid permeable support layer comprises a film-forming polymer.

5. A surface mountable delivery device according to claim 1 wherein the permeable support layer is non-degradable and/or soluble in water or when in contact with an alcohol or an oil-water emulsion.

6. A surface mountable delivery device according to claim 3 wherein the pore openings in the liquid permeable support layer consist of openings of from 20-500 m diameter.

7. (canceled)

8. A surface mountable delivery device according to claim 1 wherein the liquid permeable support layer comprises a hydrophobic material.

9. (canceled)

10. A surface mountable delivery device according to claim 1 wherein the backing layer comprises a hydrophobic polymer.

11. A surface mountable delivery device according to claim 1 wherein the delivery device includes means for attaching the system to a surface.

12. A surface mountable delivery device according to claim 11 wherein the means for attaching the system to a surface comprises an adhesive coating.

13.-14. (canceled)

15. A method of preventing the transmission of microrganisms which comprises the use or application of a surface mountable delivery device according to claim 1

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The invention will now be referred to by the following FIGS. 1-10, which show/represent various forms/states and designs, the invention could take and in which

[0037] FIG. 1 is a cross-section of a surface skin of the invention;

[0038] FIG. 2 is a cross-section of a surface skin of the invention provided with an adhesive layer;

[0039] FIG. 3 is a cross-section of a surface mountable delivery device of the invention in which the permeable layer and the backing layer are sealed together;

[0040] FIG. 4 is a cross-section of a surface mountable delivery device of the invention with adhesive and a removable cover layer;

[0041] FIG. 5 is a schematic representation of a cruciform pad applied to a door handle;

[0042] FIG. 6 is a schematic representation of tape applied to a door handle;

[0043] FIG. 7 is a schematic representation of a tube or sock applied to a door handle;

[0044] FIG. 8 is a schematic representation of a round shape applied to a door knob;

[0045] FIG. 9 is a schematic representation of a tape applied to a door knob;

[0046] FIG. 10 is a schematic representation of a pad applied to a push plate;

[0047] FIG. 11 is a schematic representation of a pad with the cover being removed;

[0048] FIGS. 12A-12C is a schematic representation of a pad applied to a push plate; and

[0049] FIGS. 13A-13C is a schematic representation of a multilayered pad applied to a door handle.

DETAILED DESCRIPTION

[0050] FIG. 1: A surface skin material comprises a liquid permeable support layer (1) adjacent to a porous reservoir layer (2), the porous reservoir layer (2) being provided with a backing layer (3).

[0051] FIG. 2: A surface skin material comprises a liquid permeable support layer (1) adjacent to a porous reservoir layer (2), the porous reservoir layer (2) being provided with a backing layer (3) and the backing layer (3) being provided with an adhesive layer (4).

[0052] FIG. 3: A surface skin material comprises a liquid permeable support layer (1) adjacent to a non-contiguous porous reservoir layer (2), the porous reservoir layer (2) being provided with a backing layer (3) which also may be sealed against the support layer (1).

[0053] FIG. 4: A surface skin material comprises a liquid permeable support layer (1) adjacent to a porous reservoir layer (2), the porous reservoir layer (2) being provided with an adhesive layer (4) and the adhesive layer (4) being provided with a releasable cover or protector layer (5 & 6).

[0054] FIG. 5: Represents an antibacterial/viral pad/patch/sticker/plaster/sock, which may be cross shaped/triangular shape/rectangular and/or of a tape like construction, which may or may not have a form of adhesive/sticky pad or patch on the back. This antibacterial pad/patch/sticker/plaster may or may not be stretchy/elastic in nature so that it may/may not contort and distort to best form around a desired surface, such as a door handle for example, as shown by (B). (See list at the end of the figures for other desired surfaces). (A) Shows the invention in the context of a door handle, however, this could be any form of surface/product. (C) Shows one example of the shape of the invention, although it could be square, circular, rectangular, triangular, oblong, tubular, elliptical, or any other shape/construction. (D) Denotes that the invention may or may not have a logo anywhere on the invention, which may be a health care organisation/company or any other name/brand.

[0055] This antibacterial/anti viral pad/patch/sticker/plaster may be made from a polymer, composite polymer, rubber, plastic, woven fabric and or injection moulded, extruded, woven, pressed, die cut, stamped, blow moulded method.

[0056] FIG. 6: Represents the invention in a different form. (B) Shows how the antibacterial/anti viral pad/patch/sticker/plaster/sock may or may not be in the form of tape/webbing/strapping/strip which may or may not have a form of adhesive/sticky pad or patch on the back. (A) Shows the invention in the context of a door handle, however, this could be any form of surface/product as listed below. (C) Shows that it may or may not have a logo. (D) Shows that it may/may not be in the form of a tape/webbing/strapping/strip. (E) Shows that it may/may not be in the shape of a viral pad/patch/sticker/plaster.

[0057] This antibacterial/anti viral pad/patch/sticker/plaster/sock may be made from a polymer, composite polymer, rubber, plastic, and or injection moulded, extruded, woven, pressed, die cut, stamped, blow moulded method.

[0058] FIG. 7: Shows the invention in a different form. (B) Shows the antibacterial/anti viral pad/patch/sticker/plaster in the form of a tube/sock which may or may not be open or closed as a tube. This form of the invention may be sleeved over the desired surface, which could be a door handle for one example, shown by (A). (C)

[0059] Denotes that the invention may or may not have a logo. (D) Shows the invention in an open sock state, which is essentially a tube of material, which may or may not be elasticated/expandable, so that when it sleeves over a surface it can contract to secure/lock in place. It may or may not also have adhesive/sticky surfaces on it to help secure in a position. (E) Shows the invention in an open state. In this state the invention can be opened up to wrap around a surface and then closed back together with a form of attachment on the invention. This form of attachment may or may not be an adhesive/sticky surface, clips, Velcro, etc. This antibacterial/anti-viral pad/patch/sticker/plaster/sock may be made from a polymer, composite polymer, rubber, plastic, and or injection moulded, extruded, woven, pressed, die cut, stamped, blow moulded method.

[0060] FIG. 8: Shows the invention in another form and in the context of a door knob/cylindrical handle/rounded surface. (A) Represents the antibacterial/anti viral pad/patch/sticker/plaster/sock and (B) represents a round surface such as a doorknob. (C) Shows the invention in contact with (D) the door knob/cylindrical handle/rounded surface, which will have a form of keeping it attached to the desired surface. This may through a sticky/adhesive surface or an elasticised/expandable material which contracts to grip the desired surface.

[0061] This antibacterial/anti viral pad/patch/sticker/plaster/sock may be made from a polymer, composite polymer, rubber, plastic, and or injection moulded, extruded, woven, pressed, die cut, stamped, blow moulded method.

[0062] FIG. 9: Shows how the antimicrobial pad, patch, sticker, plaster, sock attaches to a door knob/cylindrical handle/rounded surface/curved surface if made in a pad, patch, sticker, plaster, sock, tape, webbing, strapping, format.

[0063] This antibacterial/anti viral pad/patch/sticker/plaster/sock may be made from a polymer, composite polymer, rubber, plastic, and or injection moulded, extruded, woven, pressed, die cut, stamped, blow moulded method.

[0064] FIG. 10: Shows an antibacterial/anti viral pad/patch/sticker/plaster/sock, which may or may not fit over/onto a push plate on a door for example. (A) Shows the invention, which may then fit over/onto (B), which represents a push surface. This push surface may be on any product/surface. For this example it is shown in the context of a door. It may however be attached to any surface.

[0065] This antibacterial/anti viral pad/patch/sticker/plaster may be made from a polymer, composite polymer, rubber, plastic, and or injection moulded, extruded, woven, pressed, die cut, stamped, blow moulded method.

[0066] FIG. 11: Shows an antibacterial/anti viral pad/patch/sticker/plaster/sock which may or may not fit over/onto a push plate on a door for example. (C) Shows the front of the invention, which may or may not include a logo. (D) Shows the back of the invention, which has a form of attaching it to a surface. This may or may not be in the form of an adhesive/sticky surface.

[0067] FIGS. 12A-12C: FIG. 12(a) shows an antibacterial pad (7) with an activation film cover layer (8) in place. In FIG. 12(b) the activation film cover layer (8) is removed, exposing the perforated support layer (9). The porous reservoir (10) and backing layer (11) are also shown. FIG. 12(c) schematically represents liquid (12) passing through the perforated support layer (9).

[0068] FIGS. 13A-13C: FIG. 13 (a) shows an antibacterial pad (13) with an activation film cover layer (14) in place and a multilayered reservoir (15). In FIG. 13(b) the activation film cover layer (14) is removed, exposing the perforated support layer (16). The backing layer (17) is also shown. FIG. 13(c) shows the pad (13) fixed to a door handle (18).

[0069] This antibacterial/anti viral pad/patch/sticker/plaster may be made from a polymer, composite polymer, rubber, plastic, and or injection moulded, extruded, woven, pressed, die cut, stamped, blow moulded method. All the examples of the various forms of the invention may or may not have an anti viral killing substance in/on/or impregnated within and are designed to be attached to any surface.

[0070] In all of the designs shown from FIGS. 5 to 11 the pad, patch, sticker, plaster, tube, sock, could be applied to the surface of: door handles/door knobs/push plates/push pads/grab handles/grab rails/banister rails/towel rails/work surfaces/taps/knobs/dials/buttons/steering wheels/chairs/chair arms/doors/computer equipment/computer mice/keyboards/electronic equipment/public transport/public seats/bus stops/street furniture/glass surfaces/wood surfaces/metal surfaces/plastic surfaces/office equipment/public house furniture and fittings/toilet handles/light fittings/plugs/plug sockets/public furniture/public transport/hospital equipment/surgical instruments/doctor waiting rooms/surgery clinic surfaces/veterinary clinic surfaces and equipment/tools and any surface touched by organisms/individuals/people/animals.