Method of making a fabric-creped absorbent cellulosic sheet
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B31F-001/16
B31F-001/07
출원번호
US-0402040
(2012-02-22)
등록번호
US-8673115
(2014-03-18)
발명자
/ 주소
Edwards, Steven L.
Super, Guy H.
McCullough, Stephen J.
Reeb, Ronald R.
Chou, Hung Liang
Yeh, Kang Chang
Dwiggins, John H.
Harper, Frank D.
출원인 / 주소
Georgia-Pacific Consumer Products LP
대리인 / 주소
Bozek, Laura L.
인용정보
피인용 횟수 :
5인용 특허 :
280
초록▼
A method of making a fabric-creped absorbent cellulosic sheet includes forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber, transferring the nascent web having the generally random distribution of papermaking fiber to a transl
A method of making a fabric-creped absorbent cellulosic sheet includes forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber, transferring the nascent web having the generally random distribution of papermaking fiber to a translating transfer surface that is moving at a transfer surface speed, drying the web, to a consistency of from about 30 to about 60 percent, including compactively dewatering the web prior to or concurrently with transfer of the web to the transfer surface, fabric-creping the web from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a creping fabric with a patterned creping surface, the fabric-creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric, the web being creped from the transfer surface and redistributed on the creping fabric.
대표청구항▼
1. A method of making a fibric-creped absorbent cellulosic sheet, the method comprising: (a) forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber;(b) transferring the nascent web having the generally random distribution of pape
1. A method of making a fibric-creped absorbent cellulosic sheet, the method comprising: (a) forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber;(b) transferring the nascent web having the generally random distribution of papermaking fiber to a translating transfer surface that is moving at a transfer surface speed;(c) drying the web, to a consistency of from about 30 to about 60 percent, including compactively dewatering the web prior to or concurrently with transfer of the web to the transfer surface;(d) fabric-creping the web from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a creping fabric with a patterned creping surface, the fabric-creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric, wherein the creping fabric is traveling at a fabric speed that is slower than the speed of the transfer surface, the web being creped from the transfer surface and redistributed on the creping fabric such that the web has a plurality of fiber-enriched regions, having a local basis weight that is higher than a mean basis weight of the sheet, arranged in a pattern corresponding to the patterned creping surface of the fabric;(e) retaining the wet web in the creping fabric;(f) drying the wet web, while the wet web is held in the creping fabric, to a consistency of at least about 90 percent; and(g) drawing the dried web between a first roll operated at a machine direction velocity that is greater than the speed of the creping fabric and a second roll operated at a machine direction velocity that is greater than that of the first roll. 2. The method according to claim 1, wherein the drying step includes drying the wet web with a plurality of can dryers while the wet web is held in the creping fabric. 3. The method according to claim 1, wherein the drying step includes drying the wet web with an impingement-air dryer while the wet web is held in the creping fabric. 4. The method according to claim 1, wherein the web is drawn on-line. 5. The method according to claim 1, wherein the dried web is calendered on-line. 6. The method according to claim 1, wherein the web is drawn at least about 10% after the fabric-creping step. 7. The method according to claim 1, wherein the web is drawn at least about 15% after the fabric-creping step. 8. The method according to claim 1, wherein the web is drawn at least about 30% after the fabric-creping step. 9. The method according to claim 1, wherein the web is drawn at least about 45% after the fabric-creping step. 10. The method according to claim 1, wherein the web is drawn up to about 75% after the fabric-creping step. 11. The method according to claim 1, wherein the fabric-creping step is operated at a fabric crepe of from about 10% to about 300%, and the drawing step is operated a crepe recovery of from about 10% to about 100%, wherein the crepe recovery is the amount of fabric crepe that is removed when the web is drawn. 12. The method according to claim 1, wherein the drawing step is operated at a crepe recovery of at least about 20%. 13. The method according to claim 1, wherein the drawing step is operated at a crepe recovery of at least about 30%. 14. The method according to claim 1, wherein the drawing step is operated at a crepe recovery of at least about 40%. 15. The method according to claim 1, wherein the drawing step is operated at a crepe recovery of at least about 50%. 16. The method according to claim 1, wherein the drawing step is operated at a crepe recovery of at least about 60%. 17. The method according to claim 1, wherein the drawing step is operated at a crepe recovery of at least about 80%. 18. The method according to claim 1, wherein the drawing step is operated at a crepe recovery of at least about 100%. 19. The method according to claim 1, wherein the fabric-creping step is operated at a fabric crepe of from about 10 to about 100%. 20. The method according to claim 1, wherein the fabric-creping step is operated at a fabric crepe of at least about 40%. 21. The method according to claim 1, wherein the fabric-creping step is operated at a fabric crepe of at least about 60%. 22. The method according to claim 1, wherein the fabric-creping step is operated at a fabric crepe of at least about 80%. 23. The method according to claim 1, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 6 gm/gm. 24. The method according to claim 1, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 7 gm/gm. 25. The method according to claim 1, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 8 gm/gm. 26. The method according to claim 1, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 9 gm/gm. 27. The method according to claim 1, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 10 gm/gm. 28. The method according to claim 1, wherein the drawing step comprises drawing the dried web and increasing the void volume of the web by at least about 10%. 29. The method according to claim 1, wherein the drawing step comprises drawing the dried web and increasing the void volume of the web by at least about 25%. 30. The method according to claim 1, wherein the drawing step comprises drawing the dried web and increasing the void volume of the web by at least about 50%. 31. The method according to claim 1, wherein the drawing step comprises drawing the dried web and preferentially attenuating the fiber-enriched regions of the web. 32. The method of according to claim 1, wherein the orientation of fibers in the fiber-enriched regions is biased in the cross-machine direction (CD). 33. The method according to claim 1, wherein the fiber-enriched regions have a plurality of microfolds with fold lines extending transverse to the machine direction, and wherein drawing the web in the machine direction expands the microfolds. 34. The method according to claim 1, wherein the drawing step comprises drawing the dried web and increasing the bulk of the web. 35. The method according to claim 1, wherein the drawing step comprises drawing the dried web and reducing the sided-ness of the web. 36. The method according to claim 1, wherein the drawing step comprises drawing the dried web and reducing the TMI Friction value of the fabric side of the web. 37. A method of making a fabric-creped absorbent cellulosic sheet, the method comprising: (a) compactively dewatering a papermaking furnish to form a nascent web having an apparently random distribution of papermaking fiber;(b) applying the nascent web having the apparently random fiber distribution to a translating transfer surface that is moving at a transfer surface speed;(c) fabric-creping the web from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a creping fabric, the fabric-creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric, wherein the creping fabric is traveling at a fabric speed that is slower than the speed of the transfer surface, the web being creped from the transfer surface and redistributed on the creping fabric to form a web with a drawable reticulum having a plurality of interconnected regions of different local basis weights including at least (i) a plurality of fiber-enriched regions, having a local basis weight that is higher than a mean basis weight of the sheet, interconnected by way of (ii) a plurality of linking regions, having a local basis weight that is lower than the local basis weight of the fiber-enriched regions;(d) drying the web in a two-tier can drying section such that both the fabric side of the web and the opposite side of the web contact the surface of at least one dryer can; and(e) drawing the web between a first roll operated at a machine direction velocity that is greater than the speed of the creping fabric and a second roll operated at a machine direction velocity that is greater than that of the first roll. 38. The method according to claim 37, wherein the drying step includes drying the wet web with a plurality of can dryers while the wet web is held in the creping fabric. 39. The method according to claim 37, wherein the drying step includes drying the wet web with an impingement-air dryer while the wet web is held in the creping fabric. 40. The method according to claim 37, wherein the web is drawn on-line. 41. The method according to claim 37, wherein the dried web s calendered on-line. 42. The method according to claim 37, wherein the web is drawn at least about 10% after the fabric-creping step. 43. The method according to claim 37, wherein the web is drawn at least about 15% after the fabric-creping step. 44. The method according to claim 37, wherein the web is drawn at least about 30% after the fabric-creping step. 45. The method according to claim 37, wherein the web is drawn at least about 45% after the fabric-creping step. 46. The method according to claim 37, wherein the web is drawn up to about 75% after the fabric-creping step. 47. The method according to claim 37, wherein the fabric-creping step is operated at a fabric crepe of from about 10% to about 300%, and the drawing step is operated a crepe recovery of from about 10% to about 100%, wherein the crepe recovery is the amount of fabric crepe that is removed when the web is drawn. 48. The method according to claim 37, wherein the drawing step is operated at a crepe recovery of at least about 20%. 49. The method according to claim 37, wherein the drawing step is operated at a crepe recovery of at least about 30%. 50. The method according to claim 37, wherein the drawing step is operated at a crepe recovery of at least about 40%. 51. The method according to claim 37, wherein the drawing step is operated at a crepe recovery of at least about 50%. 52. The method according to claim 37, wherein the drawing step is operated at a crepe recovery of at least about 60%. 53. The method according to claim 37, wherein the drawing step is operated at a crepe recovery of at least about 80%. 54. The method according to claim 37, wherein the drawing step is operated at a crepe recovery of at least about 100%. 55. The method according to claim 37, wherein the fabric-creping step is operated at a fabric crepe of from about 10 to about 100%. 56. The method according to claim 37, wherein the fabric-creping step is operated at a fabric crepe of at least about 40%. 57. The method according to claim 37, wherein the fabric-creping step is operated at a fabric crepe of at least about 60%. 58. The method according to claim 37, wherein the fabric-creping step is operated at a fabric crepe of at least about 80%. 59. The method according to claim 37, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 6 gm/gm. 60. The method according to claim 37, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 7 gm/gm. 61. The method according to claim 37, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 8 gm/gm. 62. The method according to claim 37, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 9 gm/gm. 63. The method according to claim 37, wherein the drawing step comprises drawing the dried web until the web achieves a void volume of at least about 10 gm/gm. 64. The method according to claim 37, wherein the drawing step comprises drawing the dried web and increasing the void volume of the web by at least about 10%. 65. The method according to claim 37, wherein the drawing step comprises drawing the dried web and increasing the void volume of the web by at least about 25%. 66. The method according to claim 37, wherein the drawing step comprises drawing the dried web and increasing the void volume of the web by at least about 50%. 67. The method according to claim 37, wherein the drawing step comprises drawing the dried web and preferentially attenuating the fiber-enriched regions of the web. 68. The method of according to claim 37, wherein the orientation of fibers in the fiber-enriched regions is biased in the cross-machine direction (CD). 69. The method according to claim 37, wherein the fiber-enriched regions have a plurality of microfolds with fold lines extending transverse to the machine direction, and wherein drawing the web in the machine direction expands the microfolds. 70. The method according to claim 37, wherein the drawing step comprises drawing the dried web and increasing the bulk of the web. 71. The method according to claim 37, wherein the drawing step comprises drawing the dried web and reducing the sided-ness of the web. 72. The method according to claim 37, wherein the drawing step comprises drawing the dried web and reducing the TMI Friction value of the fabric side of the web.
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이 특허에 인용된 특허 (280)
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Krzysik Duane G. (1112 E. Melrose Ave. Appleton WI 54911) Farrington ; Jr. Theodore E. (2121 Twin Willows Dr. Appleton WI 54915) Garvey Lee P. (113 Florida Ave. Little Chute WI 54140) Henderson Cynth, Soft treated uncreped throughdried tissue.
Krzysik Duane G. (Appleton WI) Farrington ; Jr. Theodore E. (Appleton WI) Garvey Lee P. (Little Chute WI) Henderson Cynthia W. (Neenah WI) Sauer Robert D. (Fremont WI) Smith Michael J. (Neenah WI) Tu, Soft treated uncreped throughdried tissue.
Oriaran T. Philips (Appleton WI) Harper Frank D. (Neenah WI) Awofeso Anthony O. (Appleton WI) Neculescu Cristian M. (Neenah WI) Luu Phuong Van (Appleton WI) Kershaw Thomas N. (Neenah WI) Schulz Galyn, Soft-single ply tissue having very low sidedness.
Drach John E. (Cheltenham PA) Evans Robert D. (Warminster PA) Fanelli Joseph J. (Alpharetta GA) O\Lenick ; Jr. Anthony J. (Lilburn GA), Softening and conditioning fibers with imidazolinium compounds.
Hultcrantz, Magnus; Klerelid, Ingvar; Aberg, Bo-Christer; Johnson, Cary P.; Lafond, John J., Structural clothing and method of manufacturing a tissue paper web.
Espy Herbert H. (Wilmington DE) Maslanka William W. (Landenberg PA), Synthesis of creping aids based on polyamides containing methyl bis(3-aminopropylamine).
Lindsay, Jeffrey Dean; Larson, Kenneth Curtis; Goerg, Charles Herbert; McFarland, Timothy Maurice; Hermans, Michael Alan; Beuther, Paul Douglas; Shannon, Thomas Gerard, Systems for tissue dried with metal bands.
Bjorkquist David W. (Wyoming OH), Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing s.
Bjorkquist David W. (Wyoming OH), Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing s.
Lindsay, Jeffrey Dean; Burazin, Mark Alan; Chen, Fung-jou; Hermans, Michael Alan; Lin, Philip Sim; Larson, Kenneth Curtis, Three-dimensional tissue and methods for making the same.
Rasch David M. (Cincinnati OH) Hensler Thomas A. (Cincinnati OH) Daniels Dean J. (Cincinnati OH), Tissue paper having large scale, aesthetically discernible patterns.
Wendt Greg A. (Neenah WI) Underhill Kimberly K. (Appleton WI) Rugowski James S. (Appleton WI) Kressner Bernhardt E. (Appleton WI) Chiu Kai F. (Brandon MS), Tissue webs having a regular pattern of densified areas.
Herman Jeffrey Bruce ; Trumbull John Ghordis ; Wolkowicz Richard Ignatius, Transfer system and process for making a stretchable fibrous web and article produced thereof.
Waldvogel Hartmut (Reutlingen DEX) Borel Georg (Reutlingen DEX), Two layer papermachine embossing fabric with depressions in the upper fabric layer for the production of tissue paper.
Denen, Dennis Joseph; Yardley, Craig D.; Broehl, Joshua Michael; Hayes, Robert James; Knittle, John Joseph; Linstedt, Brian Kenneth; Merz, Gregory James; Moody, John R., Waste minimizing paper dispenser.
Edwards, Steven L.; Wendt, Greg A.; Marinack, Robert J.; Vander Wielen, Michael J.; McCullough, Stephen J.; McDowell, Jeffrey C.; Super, Guy H.; Worry, Gary L., Wet crepe throughdry process for making absorbent sheet and novel fibrous product.
Edwards, Steven L.; Wendt, Greg A.; Marinack, Robert J.; Vander Wielen, Michael J.; McCullough, Stephen J.; McDowell, Jeffrey C.; Super, Guy H.; Worry, Gary L., Wet crepe throughdry process for making absorbent sheet and novel fibrous products.
Edwards, Steven L.; McCullough, Stephen J., Wet-pressed tissue and towel products with elevated CD stretch and low tensile ratios made with a high solids fabric crepe process.
Edwards, Steven L.; McCullough, Stephen J., Wet-pressed tissue and towel products with elevated CD stretch and low tensile ratios made with a high solids fabric crepe process.
Fung-jou Chen ; Mark Alan Burazin ; Michael Alan Hermans ; David Henry Hollenberg ; Richard Joseph Kamps ; Bernhardt Edward Kressner ; Jeffrey Dean Lindsay, Wet-resilient webs and disposable articles made therewith.
Bryan Philip S. (Webster NY) Lambert Patrick M. (Rochester NY) Towers Christine M. (Rochester NY) Jarrold Gregory S. (Henrietta NY), X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing neodymium to reduce aftergl.
Super, Guy H.; Ruthven, Paul J.; McCullough, Stephen J.; Sze, Daniel H.; Wendt, Greg A.; Miller, Joseph H., Method of making a belt-creped, absorbent cellulosic sheet with a perforated belt.
Super, Guy H.; Ruthven, Paul J.; McCullough, Stephen J.; Sze, Daniel H.; Wendt, Greg A.; Miller, Joseph H., Method of making a belt-creped, absorbent cellulosic sheet with a perforated belt.
Edwards, Steven L.; Super, Guy H.; McCullough, Stephen J.; Reeb, Ronald R.; Chou, Hung Liang; Yeh, Kang Chang; Dwiggins, John H.; Harper, Frank D., Multi-ply absorbent sheet of cellulosic fibers.
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