Double- and multi-sided adhesive devices

• US 9,395,038 B2
• Filed: 01/17/2013
• Issued: 07/19/2016
• Est. Priority Date: 01/19/2012
• Status: Active Grant

• Current Assignee: University Of Massachusetts
• Original Assignee: University Of Massachusetts
• Inventors: Crosby, Alfred J., Bartlett, Michael D.
• Primary Examiner(s): Gross, Carson
• Application Number:
  US14/372,512
• Publication Number:
  US 20140352881A1
• Time in Patent Office: 1,279 Days
• US Class Current: 1/1
• CPC Class Codes: A47G 1/1606 comprising a wall member cooperating with a corresponding picture member
• CPC Class Codes: A47G 1/17 using adhesives, suction or magnetism A47G1/168 takes precedence; suction cups for attaching purposes, equivalent means using adhesives F16B47/00
• CPC Class Codes: A47G 1/175 Stretch releasing adhesives
• CPC Class Codes: B32B 2260/021 Fibrous or filamentary layer
• CPC Class Codes: B32B 2260/046 Synthetic resin
• CPC Class Codes: B32B 2262/0261 Polyamide fibres
• CPC Class Codes: B32B 2262/0269 Aromatic polyamide fibres
• CPC Class Codes: B32B 2262/0276 Polyester fibres
• CPC Class Codes: B32B 2262/0292 Polyurethane fibres
• CPC Class Codes: B32B 2262/101 Glass fibres
• CPC Class Codes: B32B 2262/105 Ceramic fibres
• CPC Class Codes: B32B 2262/106 Carbon fibres, e.g. graphite fibres
• CPC Class Codes: B32B 2307/51 Elastic
• CPC Class Codes: B32B 2405/00 Adhesive articles, e.g. adhesive tapes
• CPC Class Codes: B32B 27/12 next to a fibrous or filamentary layer
• CPC Class Codes: B32B 27/283 comprising polysiloxanes
• CPC Class Codes: B32B 27/322 comprising halogenated polyolefins, e.g. PTFE
• CPC Class Codes: B32B 27/40 comprising polyurethanes
• CPC Class Codes: B32B 3/06 for securing layers together; for attaching the product to another member, e.g. to a support , or to another product, e.g. groove/tongue, interlocking
• CPC Class Codes: B32B 37/24 with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate B32B37/15 takes precedence
• CPC Class Codes: B32B 5/26 : another layer next to it also being fibrous or filamentary relative arrangement of fibres or filaments of different layers B32B5/12
• CPC Class Codes: B32B 7/12 : using interposed adhesives or interposed materials with bonding properties
• CPC Class Codes: C09J 2301/204 : the adhesive coating being discontinuous
• CPC Class Codes: C09J 2301/31 : the adhesive effect being based on a Gecko structure
• CPC Class Codes: C09J 2301/312 : parameters being the characterizing feature
• CPC Class Codes: C09J 2400/263 : in the substrate
• CPC Class Codes: C09J 2433/00 : Presence of (meth)acrylic polymer
• CPC Class Codes: C09J 2453/00 : Presence of block copolymer
• CPC Class Codes: C09J 2475/00 : Presence of polyurethane
• CPC Class Codes: C09J 2483/00 : Presence of polysiloxane
• CPC Class Codes: C09J 7/00 : Adhesives in the form of films or foils
• CPC Class Codes: C09J 7/21 : Paper; Textile fabrics
• CPC Class Codes: C09J 7/38 : Pressure-sensitive adhesives [PSA]
• CPC Class Codes: F16B 11/006 : by gluing gluing of plastics material B29C65/48
• CPC Class Codes: F16M 13/02 : for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
• CPC Class Codes: F16M 13/022 : repositionable
• CPC Class Codes: Y10T 156/10 : Methods of surface bonding and/or assembly therefor

Abstract

The invention provides unique releasable adhesive devices and related methods that are capable of simultaneously adhering to two or multiple target surfaces of various nature and allow high load capacity, are reusable, easy release and suitable for extended and repeated use.

Claims

1. A releasable, surface-adhesive device capable of simultaneous adhesion to two or more target surfaces, comprising:

a first adhesive pad and a second adhesive pad, each independently comprising;

a planar backing layer; and

an elastic planar layer having an adhesive surface on at least one side, wherein the elastic planar layer adheres to a target surface when the elastic planar layer is pressed against the target surface, wherein the elastic planar layer is applied to the backing layer on at least the side opposing the adhesive surface; and

a tether component attached to the first and second adhesive pads to form a surface adhesive device capable of simultaneous adhesion to two or more target surfaces.

2. The releasable, surface-adhesive device of claim 1, wherein the tether component has a proximal end attached to the planar backing layer of the first adhesive pad and a distal end attached to the planar backing layer of the second adhesive pad.

3. The releasable, surface-adhesive device of claim 2, wherein the planar backing layer of the first adhesive pad, the tether component, and the planar backing layer of the second adhesive pad together consecutively form a single continuous planar component.

4. The releasable, surface-adhesive device of claim 3, wherein the adhesive surface of the first adhesive pad and the adhesive surface of the second adhesive pad are on the same side of the single continuous planar component.

5. The releasable, surface-adhesive device of claim 3, wherein the adhesive surface of the first adhesive pad and the adhesive surface of the second adhesive pad are on the opposite side of the single continuous planar component.

6. The releasable, surface-adhesive device of claim 2, wherein the planar backing layer of the first adhesive pad is attached to the proximal end of the tether component, and the tether component at the distal end is attached to the backing layer of the second adhesive pad, wherein the planar backing layer of the first adhesive pad, the tether component, and the planar backing layer of the second adhesive pad do not to consecutively form a single continuous planar component.

7. The releasable, surface-adhesive device of claim 6, wherein the adhesive surface of the first adhesive pad and the adhesive surface of the second adhesive pad are placed on the same side of the tether component, or are placed on the opposite side of the tether component.

8. The releasable, surface-adhesive device of claim 7, wherein the proximal end of the tether component is attached substantially at the center of the backing layer of the first adhesive pad and the distal end of the tether component is attached substantially at the center of the backing layer of the second adhesive pad.

9. The releasable, surface-adhesive device of claim 7, wherein the proximal end of the tether component is attached substantially away from the center of the backing layer of the first adhesive pad and the distal end of the tether component is attached substantially away from the center of the backing layer of the second adhesive pad.

10. The releasable, surface-adhesive device of claim 7, wherein the proximal end of the tether component is attached substantially at the center of the backing layer of the first adhesive pad and the distal end of the tether component is attached substantially away from the center of the backing layer of the second adhesive pad.

11. The releasable, surface-adhesive device of claim 2, wherein the planar backing layer of the first adhesive pad and the tether component together form a single continuous planar component, and wherein the planar backing layer of the second adhesive pad together do not form a single continuous planar component.

29. The releasable, surface-adhesive device of claim 1, wherein each elastic planar layer comprises at least one of a block copolymer elastomer, an siloxane-based elastomer, a urethane-based elastomer, and an acrylate-based elastomer.

12. A releasable, surface-adhesive system capable of simultaneous adhesion to two target surfaces, comprising:

a first adhesive pad, comprising;

a first planar backing layer; and

a first planar layer of an elastic or viscoelastic material having a first adhesive surface on at least one side for adhering to a target surface, wherein the elastic or viscoelastic material is impregnated onto the first planar backing layer on at least the side opposing the first adhesive surface;

a first tether component being attached to the first adhesive pad via an attachment to the first planar backing layer;

a second adhesive pad, comprising;

a second planar backing layer; and

a second planar layer of an elastic or viscoelastic material having a second adhesive surface on at least one side for adhering to a target surface, wherein the elastic or viscoelastic material is impregnated onto the second planar backing layer on at least the side opposing the second adhesive surface; and

a second tether component being attached to the second adhesive pad via an attachment to the second planar backing layer,

wherein each of the first and second tether components, respectively, comprises a first and a second fastener being able to mechanically join the first and the second tether components via a locking mechanism between the first and the second fasteners.

13. The releasable, surface-adhesive system of claim 12, wherein the first planar backing layer and the first tether component together consecutively form a first single continuous planar component, and wherein the second planar backing layer and the second tether component together consecutively form a second single continuous planar component.

14. The releasable, surface-adhesive system of claim 13, wherein, when the first and the second fasteners are mechanically joined via a locking mechanism, the adhesive surface of the first adhesive pad and the adhesive surface of the second adhesive pad are on the same side or on the opposite side of the single continuous planar component.

15. The releasable, surface-adhesive system of claim 12, wherein the first planar backing layer and the first tether component together do not form a single continuous planar component, and wherein the second planar backing layer and the second tether component together do not form a single continuous planar component.

16. The releasable, surface-adhesive device of claim 15, wherein, when the first and the second fasteners are mechanically joined via a locking mechanism, the adhesive surface of the first adhesive pad and the adhesive surface of the second adhesive pad are placed on the same side of the tether component, or are placed on the opposite side of the tether component.

17. The releasable, surface-adhesive system of claim 12, wherein the first planar backing layer and the first tether component together form a first single continuous planar component, and wherein the second planar backing layer and the second tether component together do not form a second single continuous planar component.

30. The releasable, surface-adhesive device of claim 12, wherein each elastic material is at least one of a block copolymer elastomer, an siloxane-based elastomer, a urethane-based elastomer, and an acrylate-based elastomer.

18. A releasable, surface-adhesive device capable of simultaneous adhesion to two or more target surfaces, comprising:

two or more elastic planar layers, wherein each elastic planar layer has on one side an adhesive surface and on the other side a backing layer, wherein the elastic planar layer adheres to a target surface when the elastic planar layer is pressed against the target surface, wherein the elastic planar layer is applied to the backing layer; and

wherein a portion of each backing layer extends beyond the elastic planar layer to form an area of the backing layer in which the elastic planar layer is not applied.

19. The releasable, surface adhesive device of claim 18, wherein each adhesive surface is microscopically patterned.

20. The releasable, surface-adhesive device of claim 18, wherein each backing layer is a fabric backing layer, the fabric backing layer including at least one of cotton, hemp, wool, silk, bamboo string, cellulose, jute, and pina, polyester, spandex, nylon, carbon fiber, polyaramid, carbon fiber polyaramid hybrid, carbon fiber basalt hybrid, fiberglass, carbon fiber and fiberglass hybrid.

21. The releasable, surface adhesive device of claim 18, wherein each elastic planar layer comprises different types of elastic materials.

22. The releasable, surface-adhesive device of claim 18, wherein each elastic planar layer has a smooth adhesive surface area from about 0.01 cm² to about 1000 cm² and has a substantially uniform thickness from about 0.0001 cm to about 0.5 cm.

23. The releasable, surface-adhesive device of claim 18, wherein each elastic planar layer comprises an elastic material having an elastic modulus from about 0.05 MPa to about 50 MPa.

24. The releasable, surface-adhesive device of claim 20, wherein each adhesive surface has an area of 1 cm² or greater and is capable of bearing a weight of at least 12 N per 1 cm² of adhesive surface area.

25. The releasable, surface-adhesive device of claim 18, further comprising a tether component attached to each backing layer, wherein each tether component comprises a fabric material.

26. The releasable, surface-adhesive device of claim 18, wherein each elastic planar layer has a substantially circular, rectangular, elliptical, or irregular outer boundary.

27. The releasable, surface-adhesive device of claim 18, wherein each elastic planar layer comprises two or more separate smaller elastic planar layer units.

28. The releasable, surface-adhesive device of claim 18, wherein each elastic planar layer comprises at least one of a block copolymer elastomer, an siloxane-based elastomer, a urethane-based elastomer, and an acrylate-based elastomer.