Method and device for producing an embossed web material and product obtained with said method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-003/00
B29C-059/04
B29C-065/00
출원번호
US-0508511
(2003-03-24)
등록번호
US-7285317
(2007-10-23)
우선권정보
IT-FI2002A0053(2002-03-29)
국제출원번호
PCT/IT03/000173
(2003-03-24)
§371/§102 date
20040921
(20040921)
국제공개번호
WO03/082559
(2003-10-09)
발명자
/ 주소
Biagiotti,Guglielmo
Benvenuti,Angelo
출원인 / 주소
Fabio Perini, S.p.A.
대리인 / 주소
Breiner & Breiner, LLC
인용정보
피인용 횟수 :
10인용 특허 :
7
초록▼
A method for producing an embossed web product comprising at least two plies (V1, V3) bone to one another by gluing, wherein: at least a first of said plies is embossed producing on it a first series of protuberances (P9) and a second series of protuberances (P10), the protuberances of the first ser
A method for producing an embossed web product comprising at least two plies (V1, V3) bone to one another by gluing, wherein: at least a first of said plies is embossed producing on it a first series of protuberances (P9) and a second series of protuberances (P10), the protuberances of the first series being of greater height than the protuberances of the second series; an adhesive (C) is applied to the protuberances of said first series; the first ply is glued to the second ply (V3), the protuberances (P9, P10) of the first ply projecting inside the web product, towards the second ply (V3). The protuberances of the first and of the second series form in combination with each other complex decorative patterns (D). Each complex decorative pattern is formed by at least a protuberance of the first series and at least a protuberance of the second series. Moreover, the complex decorative patterns are distributed with a density equal to or less than 2 patterns per cm2.
대표청구항▼
The invention claimed is: 1. A method for producing an embossed web product comprising bonding at least two plies to one another, wherein: at least a first ply of said at least two plies is embossed producing on said first ply a first series of protuberances and a second series of protuberances, th
The invention claimed is: 1. A method for producing an embossed web product comprising bonding at least two plies to one another, wherein: at least a first ply of said at least two plies is embossed producing on said first ply a first series of protuberances and a second series of protuberances, the protuberances of the first series being of greater height than the protuberances of the second series; an adhesive is applied to the first series of protuberances; said first ply is adhesively bonded to a second ply of said at least two plies, protuberances of the first ply projecting inside the web product towards the second ply; the first series of protuberances and the second series of protuberances form in combination with each other complex decorative patterns, each complex decorative pattern being formed by a combination of at least one protuberance of the first series and at least one protuberance of the second series, said at least one protuberance of the first series and said at least one protuberance of said second series being joined to form a single complex protrusion having portions of different heights; each said complex protrusion being distributed to provide a density of complex protrusions equal to or less than 2 patterns per cm2; and said second series of protuberances being substantially free of adhesive. 2. The method as claimed in claim 1, wherein said adhesive is colored and provides said complex decorative patterns with a chromatic effect. 3. The method as claimed in claim 1, wherein a background pattern is applied to said first ply. 4. The method as claimed in claim 3, wherein said background pattern applied to the first ply comprises embossing constituted by a distribution of protuberances of smaller size and greater density than protuberances forming the complex decorative pattern. 5. The method as claimed in claim 4, wherein protuberances forming the background pattern applied to the first ply are of lesser height than the protuberances of the first series. 6. The method as claimed in claim 4, wherein said background pattern is applied to said first ply in a single embossing operation simultaneously to embossing said first series of protuberances and said second series of protuberances. 7. The method as claimed in claim 1, wherein a background pattern is applied to said second ply. 8. The method as claimed in claim 7, wherein said background pattern applied to the second ply comprises embossing constituted by a distribution of protuberances of smaller size and greater density than protuberances forming the complex decorative pattern. 9. The method as claimed in claim 8, wherein said protuberances forming the background pattern of the second ply are of lesser height than the protuberances of said first series. 10. The method as claimed in claim 1, wherein each said complex protrusion is distributed to provide a density of complex protrusions ranging from 400 to 20000 patterns per m2. 11. The method as claimed in claim 1, wherein said protuberances of the first series occupy a percentage ranging from 0.3 to 10% of total surface of the web product. 12. The method as claimed in claim 1, wherein said complex decorative patterns occupy a percentage ranging from 1 to 25% of total surface of the web product. 13. A sheet product comprising: a first ply embossed with a first series of protuberances and a second series of protuberances, the protuberances of the first series being of greater height than the protuberances of the second series; a second ply adhesively bonded to said first ply by an adhesive on extremities of the first series of protuberances, said first series of protuberances facing towards the second ply; wherein the first series of protuberances and the second series of protuberances form in combination with each other complex decorative patterns, each of said complex decorative patterns being formed by a combination of at least one protuberance of the first series and at least one protuberance of the second series in contact with one another to form a complex protrusion; each said complex protrusion being distributed to provide a density of complex protrusions equal to or less than 2 patterns per cm2; and said second series of protuberances being substantially free of adhesive. 14. The product as claimed in claim 13, wherein said adhesive is colored and provides said complex decorative patterns with a chromatic effect. 15. The product as claimed in claim 13, wherein said first ply has a background pattern. 16. The product as claimed in claim 15, wherein said background pattern comprises an embossing constituted by a distribution of protuberances of smaller size and greater density than protuberances forming the complex decorative pattern. 17. The product as claimed in claim 16, wherein protuberances forming the background pattern of the first ply are of lesser height than the first series of protuberances. 18. The product as claimed in claim 13, wherein said second ply has a background pattern. 19. The product as claimed in claim 18, wherein said background pattern of the second ply comprises an embossing constituted by a distribution of protuberances of smaller size and greater density than protuberances forming the complex decorative pattern. 20. The product as claimed in claim 19, wherein said protuberances forming the background pattern of the second ply are of lesser height than the protuberances of the first series. 21. The product as claimed in claim 13, wherein said complex decorative patterns are distributed at a density ranging from 400 to 20000 patterns per m2. 22. The product as claimed in claim 13, wherein said protuberances of the first series occupy a percentage ranging from 0.3 to 10% of total surface of the web product. 23. The product as claimed in claim 13, wherein said complex decorative patterns occupy a percentage ranging from 1 to 25% of total surface of the web product. 24. A device for producing an embossed web material, comprising at least one embossing cylinder, a pressure roller cooperating with said embossing cylinder, and an adhesive applicator unit; said embossing cylinder being provided with a first series of protruding points and with a second series of protruding points, the first series of protruding points being of greater height than the second series of protruding points, wherein the first series of protruding points and the second series of protruding points form in combination with each other complex protrusions to form complex decorative patterns on at least one ply destined to form said web material, each of said complex protrusions being formed by at least one point of the first series of protruding points in contact with at least one point of the second series of protruding points, and wherein said complex protrusions are distributed at a density equal to or less than 2 protrusions per cm2, said adhesive applicator being arranged to apply adhesive on said first series of protruding points but not on the second series of protruding points. 25. The device as claimed in claim 24, further comprising an arrangement to produce background embossing on said web material. 26. The device as claimed in claim 25, wherein said arrangement to produce said background embossing comprises an auxiliary embossing unit. 27. The device as claimed in claim 25, wherein said arrangement to produce said background embossing comprises a third series of protruding points on said embossing cylinder. 28. A method for producing an embossed web product comprising bonding at least two plies to one another, wherein a background pattern is applied to at least a first ply; at least the first ply of said at least two plies is embossed producing on said first ply a first series of protuberances of greater height than said background pattern; an adhesive is applied to the first series of protuberances; said first ply is adhesively bonded to a second ply of said at least two plies, protuberances of the first ply projecting inside the web product towards the second ply; at least a second series of protuberances is produced by embossing on said first ply, said protuberances of said first series being greater in height than the protuberances of the second series; the first series of protuberances and the second series of protuberances form in combination with each other complex decorative patterns, each complex decorative pattern being formed by a combination of at least one protuberance of the first series and at least one protuberance of the second series; said complex decorative patterns are distributed at a density equal to or less than 2 patterns per cm2; and said second series of protuberances are substantially free of adhesive. 29. The method as claimed in claim 28, wherein said adhesive is colored and provides said complex decorative patterns with a chromatic effect. 30. A sheet product comprising: a first ply embossed with a first series of protuberances and a second series of protuberances, the protuberances of the first series being of greater height than the protuberances of the second series; a second ply adhesively bonded to said first ply by an adhesive on surfaces of the first series of protuberances, said first series of protuberances facing towards the second ply and the second series of protuberances being substantially free of adhesive; wherein the first series of protuberances and the second series of protuberances form in combination with each other complex decorative patterns, each complex decorative pattern being formed by a combination of at least one protuberance of the first series and at least one protuberance of the second series, said at least one protuberance of the first series and said at least one protuberance of said second series being joined to one another to form a single complex protrusion having portions of different heights; each said complex protrusion being distributed to provide a density of complex protrusions equal to or less than 2 patterns per cm2. 31. A sheet product comprising: a first ply having a background pattern and a first series of protuberances and a second series of protuberances, the protuberances of the first series being of greater height than the protuberances of the second series; a second ply adhesively bonded to said first ply by an adhesive applied to surfaces of the first series of protuberances, said first series of protuberances facing towards the second ply, said second series of protuberances being substantially free of adhesive; wherein the protuberances of the first series and of the second series form in combination with each other complex decorative patterns, each complex decorative pattern being formed by a combination of at least one protuberance of the first series and at least one protuberance of the second series, said combination forming a complex protrusion; each complex protrusion being distributed to provide a density of complex protrusions equal to or less than 2 patterns per cm2.
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