Claims
- 1. A releasible, self-adhesive device comprising:a) a plate having a front, rear and four sides; b) a double-sided adhesive strip of film adhered to the rear of said plate through an adhesive bond in such a way that one end of said adhesive film strip protrudes from said plate as grip; and c) optionally one or more fasteners protruding from the sides or front of said plate for fastening said plate to another device; wherein the adhesive bond between said adhesive film strip and said plate can be released by pulling and stretching the adhesive film strip; and the plate has at its end which bears against the grip of said adhesive film strip or on its rear at least in a region which bears against the grip of said adhesive film strip, a plastic surface having a coefficient of friction or adhesion low enough that the adhesive film strip does not tear when the adhesive bond between the adhesive film strip and the plate is released by pulling and stretching the adhesive film strip.
- 2. Device according to claim 1, wherein the stripping force at a pulling-off angle of 60° is no more than three times.
- 3. Device according to claim 1, wherein the stripping force at a pulling-off angle of 90° is no more than three times.
- 4. Device according to claim 1, wherein the region which bears against the grip allows with respect to the adhesive film strip a stripping force at a pulling-off angle of 60° which is three times the stripping force at the pulling-off angle of 0°.
- 5. Device according to claim 1, wherein the region which bears against the grip allows with respect to the adhesive film strip a stripping force at a pulling-off angle of 0°.
- 6. Device according to claim 1, wherein the region which bears against the grip has a surface tension of up to 37 mN/m.
- 7. Device according to claim 1, wherein the region which bears against the grip is formed together with the plate as an integrated injection-moulded part of plastic.
- 8. Device according to claim 1, wherein the adhesive film, with or without an intermediate substrate, is elastically or plastically extensible.
- 9. Device according to claim 1, wherein the adhesion of the adhesive film strip is less than the cohesion, the adhesion is to a great extent dissipated when the film is extended, and the ratio of pulling-off force to tearing load is at least 1:2.0, the adhesive film strip being of the kind which is based on thermoplastic rubber and tackifying resins.
- 10. Device according to claim 1, wherein the rear side of the adhesive film strip is covered with a release laminate.
- 11. Device according to claim 1, wherein there is a hook on the front side of the plate.
- 12. Device according to claim 1, wherein the plate has on its rear side laterally alongside the adhesively attached adhesive film strip spacers, the height of which is less than the thickness of the adhesive film strip (5).
- 13. Device according to claim 12, wherein the spacers are located on both sides alongside the adhesively attached adhesive film strip.
- 14. Device according to claim 12, wherein the spacers are formed as fillets or segments.
- 15. Device according to claim 12, wherein the spacers are formed together with the plate as an injection-moulded part.
- 16. Device according to claim 12, wherein the height of the spacers is 30-90% of the thickness of the adhesively attached adhesive film strip.
- 17. Device according to claim 2, wherein the stripping force at a pulling-off angle of 60° is no more than two times the stripping force at a peeling-off angle of 0°.
- 18. Device according to claim 3, wherein the stripping force at a pulling-off angle of 90° is no more than two times the stripping force at a peeling-off angle of 0°.
- 19. Device according to claim 4, wherein the region which bears against the grip allows with respect to the adhesive film strip a stripping force at a pulling-off angle of 60° which is two times the stripping force at the pulling-off angle 0°.
- 20. Device according to claim 5, wherein the region which bears against the grip allows with respect to the adhesive film strip a stripping force at a pulling-off angle of 90° which is two times the stripping force at the pulling-off angle 0°.
- 21. Device according to claim 10, wherein the release laminate is a siliconized release paper on a release film.
- 22. Device according to claim 16, wherein the height of the spacers is 0.3-0.6 mm and the thickness of the adhesive film strip is 0.65 mm.
- 23. A method of forming a temporary bond between a substrate and a device according to any one of the claims 1-22, said method comprising adhering said device to said substrate by means an adhesive bond formed between said substrate and said adhesive film strip, and thereafter releasing said device from said substrate by pulling on the grip of said adhesive film strip at an angle approximately perpendicular to the plane of the bond formed between said substrate and said adhesive film strip.
- 24. The method according to claim 23, wherein said device is released from said substrate by pulling on the grip of said adhesive film strip at an angle of 45°-135° relative to said bond plane.
- 25. A releasible, self-adhesive device comprising:a) a plate having a front, rear and four sides; b) a double-sided adhesive strip of film adhered to the rear of said plate through an adhesive bond in such a way that one end of said adhesive film strip protrudes from said plate as grip; and c) optionally one or more fasteners protruding from the sides or front of said plate for fastening said plate to another device; wherein the adhesive bond between said adhesive film strip and said plate can be released by pulling and stretching the adhesive film strip; and the plate has at its end which bears against the grip of said adhesive film strip, a roller or a row of balls.
- 26. Device according to claim 25, wherein the stripping force at a pulling-off angle of 60° is no more than three times.
- 27. Device according to claim 25, wherein the stripping force at a pulling-off angle of 90° is no more than three times.
- 28. Device according to claim 25, wherein the region which bears against the grip allows with respect to the adhesive film strip a striping force at a pulling-off angle of 60° which is three times the stripping force at the pulling-off angle of 0°.
- 29. Device according to claim 25, wherein the region which bears against the grip allows with respect to the adhesive film strip a stripping fore at a pulling-off angle of 0°.
- 30. Device according to claim 25, wherein the region which bears against the grip has a surface tension of up to 37 mN/m.
- 31. Device according to claim 25, wherein the region which bears against the grip is formed together with the plate as an integrated injection-moulded part of plastic.
- 32. Device according to claim 25, wherein the adhesive film, with or without an intermediate substrate, is elastically or plastically extensible.
- 33. Device according to claim 25, wherein the adhesion of the adhesive film strip is less than the cohesion, the adhesion is to a great extent dissipated when the film is extended, and the ratio of pulling-off force to tearing load is at least 1:2.0, the adhesive film strip being of the kind which is based on thermoplastic rubber and tackifying resins.
- 34. Device according to claim 25, wherein the rear side of the adhesive film strip is covered with a release laminate.
- 35. Device according to claim 25, wherein there is a hook on the front side of the plate.
- 36. Device according to claim 25, wherein the plate has on its rear side laterally alongside the adhesively attached adhesive film strip spacers, the height of which is less than the thickness of the adhesive film strip (5).
- 37. Device according to claim 36, wherein the spacers are located on both sides alongside the adhesively attached adhesive film strip.
- 38. Device according to claim 36, wherein the spacers are formed as fillets or segments.
- 39. Device according to claim 36, wherein the spacers are formed together with the plate as an injection-moulded part.
- 40. Device according to claim 36, wherein the height of the spacers is 30-90% of the thickness of the adhesively attached adhesive film strip.
- 41. Device according to claim 26, wherein the stripping fore at a pulling-off angle of 60° is no more than two times the stripping force at a peeling-off angle of 0°.
- 42. Device according to claim 27, wherein the striping fore at a pulling-off angle of 90° is no more than two times the stripping fore at a peeling-off angle of 0°.
- 43. Device according to claim 25, wherein the region which bears against the grip allows with respect to the adhesive film strip a stripping force at a pulling-off angle of 60° which is two times the stripping force at the pulling-off angle 0°.
- 44. Device according to claim 26, wherein the region which bears against the grip allows with respect to the adhesive film strip a stripping fore at a pulling-off angle of 90° which is two times the stripping fore at the pulling-off angle 0°.
- 45. Device according to claim 34, wherein the release laminate is a siliconized release paper on a release film.
- 46. Device according to claim 40, wherein the height of the spacers is 0.3-0.6 mm and the thickness of the adhesive film strip is 0.65 mm.
- 47. A method of forming a temporary bond between a substrate and a device according to any one of claims 43-64, said method comprising adhering said device to said substrate by means an adhesive bond formed between said substrate and said adhesive film strip, and thereafter releasing said device from said substrate by pulling on the grip of said adhesive film strip at an angle approximately perpendicular to the plane of the bond formed between said substrate and said adhesive film strip.
- 48. The method according to claim 47, wherein said device is released from said substrate by pulling on the grip of said adhesive film strip at an angle of 45°-135° relative to said bond plane.
- 49. A releasible, self-adhesive device comprising:a) a plate having a front, a rear and four sides; b) a double-side adhesive strip of film adhered to the rear of said plate through an adhesive bond in such a way that one end of said adhesive film strip protrudes from said plate as a grip; and c) optionally one or more fasteners protruding from said plate for fastening said plate to another device; wherein the adhesive bond between said adhesive film strip and said plate can be released by pulling and stretching the adhesive film strip; and the plate has at its end which bears against the grip of said adhesive film strip or on its rear at least in a region which bears against the grip of said adhesive film strip a plastic surface, said plastic surface having a coefficient of friction or adhesion low enough that the adhesive film strip does not tear if the plate is pushed against the adhesive film strip while the adhesive film strip is being pulled and stretched.
- 50. A method of forming a temporary bond between a substrate and a device according to claim 49, said method comprising adhering said device to said substrate by means of an adhesive bond formed between said substrate and said adhesive film strip, and thereafter releasing said device from said substrate by pushing on said plate and pulling on the grip of said adhesive film strip.
Priority Claims (2)
Number |
Date |
Country |
Kind |
196 37 222 |
Sep 1996 |
DE |
|
197 29 706 |
Jul 1997 |
DE |
|
Parent Case Info
This application is a divisional of U.S. Ser. No. 08/927,754, filed Sep. 11, 1997, now allowed U.S. Pat. No. 6,136,397.
US Referenced Citations (3)
Foreign Referenced Citations (2)
Number |
Date |
Country |
WO 9211333 |
Jul 1992 |
WO |
WO 9963018 |
Dec 1999 |
WO |