초록 ▼

A card sheet including a top material having punched lines, the front side of the top material being printable. A carrier material of at least one polymer layer is directly applied as by extruding to the back side of the top material. The polymer has a stress-at-break in the range of 10 to 30 MPa an

A card sheet including a top material having punched lines, the front side of the top material being printable. A carrier material of at least one polymer layer is directly applied as by extruding to the back side of the top material. The polymer has a stress-at-break in the range of 10 to 30 MPa and an elongation at break in the range of 10 to 120%. From the card sheet individual cards may be broken out to form high quality calling (business) cards, photograph cards, post cards or the like.

대표청구항 ▼

What is claimed is: 1. A card sheet comprising: a top sheet having a front side and a back side; carrier material attached to the back side in a manner so as to prevent separation of the top sheet from the carrier material; the carrier material including a polymer layer and a tie layer; the tie lay

What is claimed is: 1. A card sheet comprising: a top sheet having a front side and a back side; carrier material attached to the back side in a manner so as to prevent separation of the top sheet from the carrier material; the carrier material including a polymer layer and a tie layer; the tie layer being ethylene vinyl acetate; at least one cut line through the top sheet to form at least a portion of a perimeter of a card; the carrier material having stress and elongation properties such that after the card sheet has been passed through a printer or copier and desired indicia printed on the front side or on a coating on the top sheet, the card sheet can be folded forward with a single folding action to snap break the carrier material snap along one of the cut lines to form an edge of a separate or separable printed card whose bottom surface is formed by a portion of a bottom surface of the card sheet; and the card sheet being contact adhesive free between the top sheet and the carrier material. 2. The card sheet of claim 1 wherein the single folding action is between 45 and 165 degrees. 3. The card sheet of claim 1 wherein the top sheet is paper. 4. The card sheet of claim 1 wherein the polymer layer includes a polymer selected from the group of polymethylpentene, polyolefins, polyesters, polypropylene, polyethylenes, copolymers of propylene and ethylene, polymethyl methacrylate, polystyrene, and compatible mixtures thereof. 5. The card sheet of claim 1 wherein the polymer layer defines a first polymer layer and the carrier material includes a second polymer layer. 6. The card sheet of claim 5 wherein the tie layer is between the first and second polymer layers. 7. The card sheet of claim 5 wherein the first polymer layer is polymethylpentene and the second polymer layer is polyolefin. 8. The card sheet of claim 1 wherein the top sheet defines a first top sheet, and farther comprising a second top sheet applied to the back side of the carrier material. 9. The card sheet of claim 8 wherein the second top sheet is printable. 10. The card sheet of claim 8 further comprising a layer which can be printed with at least one of an inkjet printer or a laser printer, on the side of the carrier material opposite to the top sheet. 11. The card sheet of claim 1 wherein the at least one cut line does not penetrate into the carrier material. 12. The card sheet of claim 1 wherein the polymer layer comprises polymethylpentene and the top sheet is cardstock. 13. The card sheet of claim 1 wherein the polymer layer includes a crystallized polymer. 14. The card sheet of claim 1 wherein the polymer layer includes a semi-crystalline polymer. 15. The card sheet of claim 1 wherein the polymer layer includes a polymer and a nucleating agent. 16. The card sheet of claim 1 wherein the top sheet is a card sheet. 17. The card sheet of claim 1 wherein the top sheet has a photoreceptive surface. 18. The card sheet of claim 1 wherein the polymer layer is extruded onto the back side. 19. The card sheet of claim 1 wherein the card sheet has a thickness of 7-15 mils. 20. A card sheet comprising: a top sheet; the top sheet being cardstock and having a front side and a back side; a polymethylpentene polymer carrier layer extruded directly onto the back side in a manner so as to prevent separation therefrom; at least one cut line through the top sheet to form at least a portion of a perimeter of a card; the polymer carrier layer having stress and elongation properties such that after the sheet has been passed through a printer or copier and desired indicia printed on the front side or on a coating on the top sheet, the sheet can be folded forward with a single folding action so that the polymer carrier layer snap breaks along one of the at least one cut line to form a separate or separable printed card whose bottom surface is formed by a portion of a bottom surface of the card sheet; and the card sheet being contact adhesive free between the top sheet and the carrier layer. 21. The card sheet of claim 20 wherein the polymer carrier layer is directly coated onto the back side by extrusion. 22. The card sheet of claim 20 wherein the top sheet defines a first top material, and further comprising a second top material applied to the back side of the polymer carrier layer. 23. The card sheet of claim 22 wherein the second top material is printable. 24. The card sheet of claim 20 further comprising a layer which can be printed with at least one of an inkjet printer or a laser printer, on the side of the polymer carrier layer opposite to the top sheet. 25. The card sheet of claim 20 wherein the at least one cut line does not penetrate into the polymer carrier layer. 26. The card sheet of claim 20 wherein the polymer carrier layer includes a crystallized polymer. 27. The card sheet of claim 20 wherein the polymer carrier layer includes a semi-crystalline polymer. 28. The card sheet of claim 20 wherein the polymer carrier layer includes a polymer and a nucleating agent. 29. The card sheet of claim 20 wherein the top sheet is a card sheet. 30. The card sheet of claim 20 wherein the top sheet has a photoreceptive surface. 31. The card sheet of claim 20 wherein the card sheet has a thickness of 7-15 mils. 32. A card sheet comprising: a cardstock top sheet having a front side and a back side; a polymer layer extruded directly onto the back side in a manner so as to prevent separation therefrom; cut lines through the top sheet to form at least a portion of a perimeter of a card; the polymer layer having stress and elongation properties such that after the card sheet has been passed through a printer or copier and desired indicia printed on the front side or on a coating on the top sheet, the card sheet can be folded forward with only a single folding action whereby the polymer layer snap breaks along one of the cut lines to form an edge of a separate or separable printed card whose bottom surface is formed by a portion of a bottom surface of the card sheet; and the card sheet being contact adhesive free between the top sheet and the polymer layer. 33. The card sheet of claim 32 wherein the polymer layer includes at least one of ethylene vinyl acetate or polypropylene. 34. The card sheet of claim 32 wherein the top sheet defines a first top sheet and further comprising a second top sheet on the polymer layer on a side thereof opposite to the first top sheet. 35. The card sheet of claim 34 wherein the first and second top sheets are made of the same material. 36. The card sheet of claim 34 wherein the faces of the first and second top sheets are printable. 37. The card sheet of claim 32 wherein the card sheet has a thickness of 7-15 mils. 38. A card sheet comprising: a top sheet having a front side and a back side; carrier material attached to the back side in a manner so as to prevent separation of the top sheet from the carrier material; the carrier material including a polymer layer and a tic layer; the tie layer being selected from the group of anhydride modified polypropylene, anhydride modified polyethylene, anhydride modified ethylene vinyl acetate, anhydride modified ethyl methyl acrylate, anhydride modified ethyl acrylic acid, and copolymers and mixtures thereof; at least one cut line through the top sheet to form at least a portion of a perimeter of a card; the carrier material having stress and elongation properties such that after the card sheet has been passed through a printer or copier and desired indicia printed on the front side or on a coating on the top sheet, the card sheet can be folded forward with a single folding action to snap break the carrier material snap along one of the cut lines to form an edge of a separate or separable printed card whose bottom surface is formed by a portion of a bottom surface of the card sheet; and the card sheet being contact adhesive free between the top sheet and the carrier material. 39. The card sheet of claim 38 wherein the single folding action is between 45 and 165 degrees. 40. The card sheet of claim 38 wherein the top sheet is paper. 41. The card sheet of claim 38 wherein the polymer layer includes a polymer selected from the group of polymethylpentene, polyolefins, polyesters, polypropylene, polyethylenes, copolymers of propylene and ethylene, polymethyl methacrylate, polystyrene, and compatible mixtures thereof. 42. The card sheet of claim 38 wherein the polymer layer defines a first polymer layer and the carrier material includes a second polymer layer. 43. The card sheet of claim 42 wherein the tie layer is between the first and second polymer layers. 44. The card sheet of claim 42 wherein the first polymer layer is polymethylpentene and the second polymer layer is polyolefin. 45. The card sheet of claim 38 wherein the top sheet defines a first top sheet, and further comprising a second top sheet applied to a back side of the carrier material. 46. The card sheet of claim 45 wherein the second top sheet is printable by a printer or copier. 47. The card sheet of claim 38 further comprising a layer which can be printed with at least one of an inkjet printer or a laser printer, on a side of the carrier material opposite to the top sheet. 48. The card sheet of claim 38 wherein the at least one cut line does not Penetrate into the carrier material. 49. The card sheet of claim 38 wherein the polymer layer includes a crystallized polymer. 50. The card sheet of claim 38 wherein the polymer layer includes a semi-crystalline polymer. 51. The card sheet of claim 38 wherein the polymer layer includes a polymer and a nucleating agent. 52. The card sheet of claim 38 wherein the top sheet is a card sheet. 53. The card sheet of claim 38 wherein the top sheet has a photoreceptive surface. 54. The card sheet of claim 38 wherein the polymer layer is extruded directly onto the back side. 55. The card sheet of claim 38 wherein the card sheet has a thickness of 7-15 mils. 56. A card sheet, comprising: a top sheet having an inkjet or laser print-receptive front side and a back side; a polymer carrier layer directly on the back side in a manner so as to prevent separation from the top sheet; first and second horizontal cut lines and first and second vertical cut lines, all of the cut lines extending through the top sheet and defining the entire perimeter of a rectangular card having card first, second, third and fourth edges; the polymer cater layer having stress and elongation properties such that after the card sheet has been passed through a printer or copier and desired indicia printed on the card sheet, the card sheet is capable of snap-breaking with only a single fold such that the polymer carrier layer snap breaks along a first one of the cut lines to form the card first edge, is capable of snap-breaking with only a single fold such that the polymer cater layer snap breaks along a portion of a second one of the cut lines to form the card second edge, is capable of snap-breaking with only a single fold such that the polymer carrier layer snap breaks along a portion of a third one of the cut lines to form the card third edge, and is capable of snap-breaking with only a single fold such that the polymer cater layer snap breaks along a portion of a fourth one of the cut lines to form the card fourth edge; a bottom surface of the card is formed by a portion of a bottom surface of the card sheet; and the card sheet being contact adhesive free between the top sheet and the cater layer. 57. The card sheet of claim 56 further comprising a printable layer on a back side of the polymer carrier layer, and the printable layer including a bottom laser or inkjet print-receptive surface that is printable by the printer or copier when the card sheet is passed through the printer or copier. 58. The card sheet of claim 57 wherein the printable layer has an inkjet or laser print-receptive bottom coat which forms the bottom laser or inkjet print-receptive surface. 59. The card sheet of claim 56 wherein the top sheet includes an inkjet or laser print-receptive top coat. 60. The card sheet of claim 56 wherein the polymer carrier layer has a multi-layer construction. 61. The card sheet of claim 56 wherein the single fold is a single forward fold toward the front side. 62. The card sheet of claim 56 wherein the polymer carrier layer includes a crystalline polymer. 63. The card sheet of claim 56 wherein the polymer carrier layer includes a semi-crystalline polymer. 64. The card sheet of claim 56 wherein the polymer carrier layer includes a nucleating agent. 65. The card sheet of claim 56 wherein the polymer carrier layer includes a polymer having a filler. 66. The card sheet of claim 56 wherein the top sheet is a paper card sheet. 67. The card sheet of claim 56 wherein the single fold is a single folding action between 45 and 165 degrees. 68. The card sheet of claim 56 wherein the printed card is a business card. 69. The card sheet of claim 56 wherein the polymer carrier layer is extruded directly on the back side. 70. The card sheet of claim 56 wherein the polymer carrier layer includes a polymer selected from the group of polymethylpentene, polyolefins, polyesters, polypropylene, polyethylenes, copolymers of propylene and ethylene, polymethyl methacrylate, polystyrene, ethylene vinyl acetate, vinyl acetate and compatible mixtures thereof. 71. The card sheet of claim 56 wherein the polymer carrier layer comprises polymethylpentene and the top sheet is cardstock. 72. The card sheet of claim 56 wherein the cut lines include die cut lines. 73. The card sheet of claim 56 wherein the polymer carder layer has a thickness of between 25 μm and 70 μm. 74. The card sheet of claim 56 wherein the top sheet has a thickness of between 150 μm and 250 μm. 75. The card sheet of claim 56 wherein the cut lines do not penetrate the polymer carrier layer. 76. The card sheet of claim 56 wherein the top sheet has a thickness of eight to ten mils. 77. The card sheet of claim 56 wherein the front side is an inkjet print-receptive front side. 78. The card sheet of claim 56 wherein the card sheet has a thickness of 7-15 mils.