Multiple ply tissue paper

Abstract

A multiple ply tissue paper structure is disclosed. The multiple ply tissue paper has plies having different texture values. In one embodiment, the multiple ply tissue paper has two plies having different calipers and macrodensities. In another embodiment, the multiple ply tissue paper has three plies, including a relatively untextured ply disposed between two relatively highly textured plies.

1. A heterogeneous multiple ply tissue paper product having n plies joined together, wherein n is an integer greater than or equal to 2, the multiple ply tissue product comprising at least:
 a first ply having a texture value of a non-embossed portion of the first ply; and    a second ply having a texture value of a non-embossed portion of the second ply which is at least 1.5 times the texture value of the first ply.    
     
     
       2. The multiple ply tissue paper product of  claim 1  wherein the texture value of the second ply is at least 2.0 times the texture value of the first ply. 
     
     
       3. The multiple ply tissue paper product of  claim 2  wherein the texture value of the second ply is at least 2.5 times the texture value of the first ply. 
     
     
       4. The multiple ply tissue paper product of  claim 3  wherein the texture value of the second ply is at least 4.0 times the texture value of the first ply. 
     
     
       5. The multiple ply tissue paper product of  claim 1  wherein the non-embossed portion of the first ply has a caliper, and wherein the non-embossed portion of the second ply has a caliper which is at least 1.25 times the caliper of the first ply. 
     
     
       6. The multiple ply tissue paper product of  claim 5  wherein the caliper of the second ply is at least 1.5 times the caliper of the first ply. 
     
     
       7. The multiple ply tissue paper product of  claim 6  wherein the caliper of the second ply is at least 2.0 times the caliper of the first ply. 
     
     
       8. The multiple ply tissue paper product of  claim 1  wherein:
 each of the n piles has an associated homogeneous n ply absorbent capacity;    wherein at least one of the n plies has a homogeneous n ply absorbent capacity greater than the homogeneous n ply absorbent capacity of at least one of the other plies; and    wherein the heterogeneous multiple ply tissue paper product has an absorbent capacity greater than the average of the homogeneous n ply absorbent capacities of the n plies.    
     
     
       9. The multiple ply tissue paper product of  claim 8  wherein the multiple ply tissue paper product has an absorbent capacity greater than the maximum homogeneous n ply absorbent capacity of the n plies. 
     
     
       10. The multiple ply tissue paper product of  claim 9  wherein each of the n plies has an associate homogeneous n ply absorbent rate, and wherein the multiple ply tissue paper product has an absorbent rate greater than the average of the homogeneous n ply absorbent rates of the n plies. 
     
     
       11. The multiple ply tissue paper product of  claim 1  wherein at least one of the plies has a macro-density which is at least 1.5 times the macro-density of one of the other plies. 
     
     
       12. The multiple ply tissue paper product of  claim 11  wherein at least one of the plies has a macro-density of at least 2.5 times the macro-density of one of the other plies. 
     
     
       13. The multiple ply tissue product of  claim 1 , wherein at least one of the plies comprises a paper web having regions of different density. 
     
     
       14. The multiple ply tissue product of  claim 13  wherein at least one of the plies comprises a paper web having discrete regions of relatively high density dispersed throughout one or more relatively low density regions. 
     
     
       15. The multiple ply tissue paper product of  claim 13  wherein at least one of the plies comprises a paper web having a continuous network region having a relatively high density; and a plurality of discrete regions dispersed throughout the continuous network region, the discrete regions having relatively low densities. 
     
     
       16. The multiple ply tissue paper product of  claim 15  wherein both the first and second plies comprise a paper web having a continuous network region having a relatively high density; and a plurality of discrete regions dispersed throughout the continuous network region, the discrete regions having relatively low densities. 
     
     
       17. The multiple ply tissue paper product of  claim 16  wherein the first ply has X discrete, relatively low density regions per square inch dispersed throughout its respective continuous, relatively high density network region, the value of X being at least 100; and wherein the second ply has Y discrete, relatively low density regions pre square inch dispersed throughout its respective relativity high density, continuous network region, the value of Y being less than 250; and wherein the ratio of X to Y is at least 2.0. 
     
     
       18. The multiple ply tissue product of  claim 1  wherein the first ply has a surface having a texture value of less than 10 mils and the second ply has a surface having a texture value of at least 15 mils. 
     
     
       19. A heterogeneous multiple ply tissue paper product having n plies joined together, wherein n is an integer greater than or equal to  2 , the multiple ply tissue product comprising at least:
   a first ply having a texture value of a non - embossed portion of the first ply; and        a second ply having a texture value of a non - embossed portion of the second ply which is at least about  1 . 5  times the texture value of the first ply;        wherein both the first ply and second ply are through - air dried paper plies.     
     
     
       20. The multiple ply tissue paper product of  claim 19  wherein the texture value of the second ply is at least about  2 . 5  times the texture value of the first ply. 
     
     
       21. The multiple ply tissue paper product of  claim 19  wherein the non- embossed portion of the first ply has a caliper, and wherein the non - embossed portion of the second ply has a caliper which is at least  1 . 25  times the caliper of the first ply.   
     
     
       22. The multiple ply tissue paper product of  claim 21  wherein the caliper of the second ply is at least about  2 . 0  times the caliper of the first ply. 
     
     
       23. The multiple ply tissue paper product of  claim 19  wherein each of the n plies has an associated homogeneous n ply absorbent capacity; wherein at least one of the n plies has a homogeneous n ply absorbent capacity greater than the homogeneous n ply absorbent capacity of at least one of the other plies, and wherein the heterogeneous multiple ply tissue paper product has an absorbent capacity greater than the average of the homogeneous n ply absorbent capacities of the n plies. 
     
     
       24. The multiple ply tissue paper product of  claim 19  wherein the multiple ply tissue paper product has an absorbent capacity greater than the maximum homogeneous n ply absorbent capacity of the n plies. 
     
     
       25. The multiple ply tissue paper product of  claim 19  wherein each of the n plies has an associated homogeneous n ply absorbent rate, and wherein the multiple ply tissue paper product has an absorbent rate greater than the average of the homogeneous n ply absorbent rates of the n plies. 
     
     
       26. The multiple ply tissue paper product of  claim 19  wherein at least one of the plies has a macro- density which is at least  1 . 5  times the macro - density of one of the other plies.   
     
     
       27. The multiple ply tissue paper product of  claim 26  wherein at least one of the plies has a macro- density of at least about  2 . 5  times the macro - density of one of the other plies.   
     
     
       28. The multiple ply tissue paper product of  claim 19 , wherein at least one of the plies comprises a paper web having regions of different density. 
     
     
       29. The multiple ply tissue paper product of  claim 28 , wherein at least one of the plies comprises a paper web having discrete regions of relatively high density dispersed throughout one or more relatively low density regions. 
     
     
       30. The multiple ply tissue paper product of  claim 28  wherein at least one of the plies comprises a paper web having a continuous network region having a relatively high density; and a plurality of discrete regions dispersed throughout the continuous network region, the discrete regions having relatively low densities. 
     
     
       31. The multiple ply tissue paper product of  claim 28  wherein both the first ply and second ply comprise a paper web having a continuous network region having a relatively high density; and a plurality of discrete regions dispersed throughout the continuous network region, the discrete regions having relatively low densities. 
     
     
       32. The multiple ply tissue paper product of  claim 31  wherein the first ply has X discrete, relatively low density regions per square inch dispersed throughout its respective continuous, relatively high density network regions, the value of X being at least  100 ; and wherein the second ply has Y discrete, relatively low density regions per square inch dispersed throughout its respective relatively high density, continuous, network region, the value of Y being less than  250 ; and wherein the ratio X to Y is at least  2 . 0 . 
     
     
       33. The multiple ply tissue paper product of  claim 19  wherein the first ply has a texture value of less than  10  mils and the second ply has a texture value of at least  15  mils. 
     
     
       34. A heterogeneous multiple ply tissue paper product having n plies joined together, wherein n is an integer greater than or equal to  2 , the multiple ply tissue product comprising at least:
   a first ply having a texture value of a non - embossed portion of the first ply; and        a second ply having a texture value of a non - embossed portion of the second ply which is at least about  1 . 5  times the texture value of the first ply;        wherein the first ply is a conventional paper ply and where the second ply has a texture value that is greater than or equal to  4 . 0  mils.     
     
     
       35. The multiple ply tissue paper product of  claim 34  wherein the non- embossed portion of the first ply has a caliper, and wherein the non - embossed portion of the second ply has a caliper which is at least  1 . 25  times the caliper of the first ply.   
     
     
       36. The multiple ply tissue paper product of  claim 35  wherein the caliper of the second ply is at least about  2 . 0  times the caliper of the first ply. 
     
     
       37. The multiple ply tissue paper product of  claim 34  wherein each of the n plies has an associated homogeneous n ply absorbent capacity; wherein at least one of the n plies has a homogeneous n ply absorbent capacity greater than the homogeneous n ply absorbent capacity of at least one of the other plies, and wherein the heterogeneous multiple ply tissue paper product has an absorbent capacity greater than the average if the homogeneous n ply absorbent capacities of the n plies. 
     
     
       38. The multiple ply tissue paper product of  claim 34  wherein the multiple ply tissue paper product has an absorbent capacity greater than the maximum homogeneous n ply absorbent capacity of the n plies. 
     
     
       39. The multiple ply tissue paper product of  claim 34  wherein each of the n plies has an associated homogeneous n ply absorbent rate, and wherein the multiple ply tissue paper product has an absorbent rate greater than the average of the homogeneous n ply absorbent rates of the n plies. 
     
     
       40. The multiple ply tissue paper product of  claim 34  wherein at least one of the plies has a macro- density which is at least  1 . 5  times the macro - density of one of the other plies.   
     
     
       41. The multiple ply tissue paper product of  claim 40  wherein at least one of the plies has a macro- density of at least about  2 . 5  times the macro - density of one of the other plies.   
     
     
       42. The multiple ply tissue paper product of  claim 34 , wherein at least one of the plies comprises a paper web having regions of different density. 
     
     
       43. The multiple ply tissue paper product of  claim 42 , wherein at least one of the plies comprises a paper web having discrete regions of relatively high density dispersed throughout one or more relatively low density regions. 
     
     
       44. The multiple ply tissue paper product of  claim 42  wherein at least one of the plies comprises a paper web having a continuous network region having a relatively high density; and a plurality of discrete regions dispersed throughout the continuous network region, the discrete regions having relatively low densities. 
     
     
       45. The multiple ply tissue paper product of  claim 42  wherein both the first and second plies comprise a paper web having a continuous network region having a relatively high density; and a plurality of discrete regions dispersed throughout the continuous network region, the discrete regions having relatively low densities. 
     
     
       46. The multiple ply tissue paper product of  claim 45  wherein the first ply has X discrete, relatively low density regions per square inch dispersed throughout its respective continuous, relatively high density network regions, the value of X being at least  100 ; and wherein the second ply has Y discrete, relatively low density regions per square inch dispersed throughout its respective relatively high density, continuous, network region, the value of Y being less than  250 ; and wherein the ratio of X to Y is at least  2 . 0 . 
     
     
       47. The multiple ply tissue paper product of  claim 34  wherein the first ply has a surface having a texture value of less than  10  mils and the second ply has a surface having a texture value of at least  15  mils. 
     
     
       48. A heterogeneous multiple ply tissue paper product having n plies joined together, wherein n is an integer greater than or equal to  2 , the multiple ply tissue product comprising at least:
   a first ply having a texture value of a non - embossed portion of the first ply; and        a second ply having a texture value of a non - embossed portion of the second ply which is at least about  2 . 0  times the texture value of the first ply.     
     
     
       49. The multiple ply tissue paper product of  claim 48  wherein the first ply is a conventional paper ply. 
     
     
       50. The multiple ply tissue paper product of  claim 49  wherein the first ply has a texture value of less than about  1 . 0 . 
     
     
       51. The multiple ply tissue paper product of  claim 48  wherein the non- embossed portion of the first ply has a caliper, and wherein the non - embossed portion of the second ply has a caliper which is at least about  2 . 0  times the caliper of the first ply.   
     
     
       52. The multiple ply tissue paper product of  claim 48  wherein each of the n plies has an associated homogeneous n ply absorbent rate, and wherein the multiple ply tissue paper product has an absorbent rate greater than the average of the homogeneous n ply absorbent rates of the n plies. 
     
     
       53. The multiple ply tissue paper product of  claim 48  wherein at least one of the plies has a macro- density which is at least  1 . 5  times the macro - density of one of the other plies.   
     
     
       54. The multiple ply tissue paper product of  claim 53  wherein at least one of the plies has a macro- density of at least about  2 . 5  times the macro - density of one of the other plies.   
     
     
       55. The multiple ply tissue paper product of  claim 48 , wherein at least one of the plies comprises a paper web having regions of different density.