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EP0798106A1 - Verfahren zum Herstellen von Walzen, im besonderen von Prägewalzen für Papierbahnen - Google Patents

Verfahren zum Herstellen von Walzen, im besonderen von Prägewalzen für Papierbahnen Download PDF

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Publication number
EP0798106A1
EP0798106A1 EP97104122A EP97104122A EP0798106A1 EP 0798106 A1 EP0798106 A1 EP 0798106A1 EP 97104122 A EP97104122 A EP 97104122A EP 97104122 A EP97104122 A EP 97104122A EP 0798106 A1 EP0798106 A1 EP 0798106A1
Authority
EP
European Patent Office
Prior art keywords
protrusions
rollers
forming
series
embossing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97104122A
Other languages
English (en)
French (fr)
Other versions
EP0798106B1 (de
Inventor
Sauro Tronchetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrie Cartarie Tronchetti SpA
Original Assignee
Industrie Cartarie Tronchetti SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industrie Cartarie Tronchetti SpA filed Critical Industrie Cartarie Tronchetti SpA
Priority to SI9730066T priority Critical patent/SI0798106T1/xx
Publication of EP0798106A1 publication Critical patent/EP0798106A1/de
Application granted granted Critical
Publication of EP0798106B1 publication Critical patent/EP0798106B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0717—Methods and means for forming the embossments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0728—Material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0733—Pattern

Definitions

  • the present invention relates to a method for forming rollers, particularly rollers for embossing paper webs for tissue products, such as for example kitchen paper, toilet paper, et cetera.
  • Paper embossing machines for example for producing composite two-ply kitchen paper rolls, include two embossing rollers: each roller has a series of protrusions arranged in parallel rows and cooperates with a respective presser roller to emboss each sheet.
  • the embossing rollers are placed close together, so as to join the two embossed sheets, preferably by making the points coincide.
  • One of the two embossing rollers is coated with glue to paste the two sheets together.
  • the protrusions of the embossing rollers are provided by machining, or by means of chemical etching, so that the sheets have a uniform stippling that is constituted by parallel rows of points directed inward, that is to say, on the mutually facing sides of the sheets.
  • An advantageous condition for making the two sheets remain stably associated, however, is to have the largest possible number of protrusions of one sheet match those of the other sheet, in order to ensure a wide pasting surface.
  • the protrusions of one sheet must coincide with the spaces between the protrusions of the other sheet.
  • GB-A-2166690 discloses an embossing process producing embossed paper sheets, such as towels, comprising embossments having a major and minor axis wherein the major axis of substantially all of the embossments is aligned in the cross machine direction.
  • WO-A-93/25383 discloses a modular pattern roll, for embossing paper, made by assembling separate components rather than being one piece and chemically etched. This construction has advantages but is however complex and expensive.
  • An aim of the present invention is to provide a method for producing rollers, particularly rollers for embossing paper webs, which are capable to form complex ornamental patterns on the finished product.
  • An object of the invention is to provide a method that is considerably cheaper, from the production point of view, than conventional systems.
  • a further object is to provide a method that is capable of producing ornamental patterns or designs with various degrees of complexity, according to the requirements, but always with extreme precision and reproducibility, even mirror-symmetrical reproducibility, on multiple rollers.
  • rollers particularly rollers for embossing paper webs, comprising a first step of forming a series of protrusions and a second step of forming a pattern or design which includes the at least partial removal of a certain number of the protrusions.
  • the embossing roller according to the invention is suitable to be used in a substantially conventional machine for producing embossed paper, of the type that includes two embossing rollers mounted with parallel axes, so that the embossing surface of the two rollers is in contact at the points of the facing protrusions of each roller.
  • each embossing roller cooperates with a respective presser roller, made of rubber or other flexible material, to provide embossing on the respective paper web.
  • Two paper webs are in fact fed respectively in the first pair and in the second pair of embossing and presser rollers in order to be embossed. Once embossed, the two webs are joined at the line of contact between the two embossing rollers so as to obtain a two-ply paper web.
  • the embossing roller is produced with a first step of forming a uniform series of protrusions 3, for example by machining. It is possible to perform optional finishing operations, or one may move on directly to a second step of forming an ornamental pattern or design 5 that includes the at least partial removal of a certain number of protrusions.
  • the protrusions may be advantageously removed by means of a numeric-control machine, for example a milling machine. This allows to reproduce each ornamental pattern or design perfectly, and even in a symmetrical manner, on the second roller. It is in fact very important to match the highest possible number of facing points of the protrusions of the two rollers, in order to ensure good gluing of the two plies.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Paper (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Sanitary Thin Papers (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Treatment Of Fiber Materials (AREA)
EP97104122A 1996-03-26 1997-03-12 Verfahren zum Herstellen von Prägewalzen, im besonderen für Papierbahnen Expired - Lifetime EP0798106B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9730066T SI0798106T1 (en) 1996-03-26 1997-03-12 Method for forming embossing rollers, particularly for paper webs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI960592 1996-03-26
IT96MI000592A IT1284433B1 (it) 1996-03-26 1996-03-26 Procedimento per formare cilindri,particolarmente per la goffratura di nastri di carta

Publications (2)

Publication Number Publication Date
EP0798106A1 true EP0798106A1 (de) 1997-10-01
EP0798106B1 EP0798106B1 (de) 2000-05-24

Family

ID=11373774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97104122A Expired - Lifetime EP0798106B1 (de) 1996-03-26 1997-03-12 Verfahren zum Herstellen von Prägewalzen, im besonderen für Papierbahnen

Country Status (12)

Country Link
EP (1) EP0798106B1 (de)
JP (1) JPH1071526A (de)
CN (1) CN1089676C (de)
AT (1) ATE193243T1 (de)
CA (1) CA2201018A1 (de)
DE (1) DE69702088T2 (de)
DK (1) DK0798106T3 (de)
ES (1) ES2147955T3 (de)
GR (1) GR3034184T3 (de)
IT (1) IT1284433B1 (de)
PT (1) PT798106E (de)
SI (1) SI0798106T1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773564A1 (fr) * 1998-01-13 1999-07-16 Fort James France Feuille de papier absorbant gaufre, son procede de fabrication et dispositif permettant de la fabriquer
EP1033240A1 (de) * 1999-03-01 2000-09-06 Industrie Cartarie Tronchetti S.p.A. Verfahren und Vorrichtung zum Prägen von Folienmaterial, wie Papierbahnen und Deckfolien für Windeln
EP1103369A2 (de) 1999-11-26 2001-05-30 Focke & Co. (GmbH & Co.) Verfahren und Vorrichtung zum Herstellen von Kragen für Klappschachteln
EP1324877A1 (de) 2000-10-13 2003-07-09 Boegli-Gravures S.A. Vorrichtung zum prägen und/oder satinieren von flachmaterial
EP1372946A1 (de) 2001-03-26 2004-01-02 Boegli-Gravures S.A. Vorrichtung zur behandlung von flachmaterial

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI20060072A1 (it) * 2006-03-15 2007-09-16 Perini Fabio Spa Rullo goffratore e relativo procedimento per la sua produzione
CN102744917A (zh) * 2011-05-09 2012-10-24 金红叶纸业集团有限公司 用于纸制品的压花辊、具压花的卫生纸及多层卫生纸制品
CN102407614B (zh) * 2011-11-14 2013-09-18 佛山市南海区德昌誉机械制造有限公司 一种纸巾加工设备上用的压花装置及其压花生产工艺
CN105921431B (zh) 2016-05-04 2018-02-06 京东方科技集团股份有限公司 一种转印板清洗设备及其清洗方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1589595A (en) * 1923-11-03 1926-06-22 Cleveland Folding Mach Co Knurling
US2346231A (en) * 1942-12-28 1944-04-11 Joseph D Ramsey Method of engraving textile printing rolls
US2638050A (en) * 1952-05-28 1953-05-12 Multicolor Gravure Corp Method of making printing rolls
US4116594A (en) * 1975-12-12 1978-09-26 Magna-Graphics Corporation Embossing apparatus having magnetic roller and flexible embossing plates therefor
GB2166690A (en) * 1982-12-20 1986-05-14 Kimberly Clark Co Embossed paper
US4966832A (en) * 1988-05-13 1990-10-30 Nissan Motor Co., Ltd. Method of treating inner mold surface
EP0476976A1 (de) * 1990-09-17 1992-03-25 James River Corporation Of Virginia Apparat zur verbesserten Prägungsbindung von mehrlagigen Gewebeprodukten und erhaltene Gewebeprodukte
WO1993025383A1 (en) * 1992-06-12 1993-12-23 The Procter & Gamble Company Modular construction pattern rolls for use in paper converting and paper converted thereby

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1589595A (en) * 1923-11-03 1926-06-22 Cleveland Folding Mach Co Knurling
US2346231A (en) * 1942-12-28 1944-04-11 Joseph D Ramsey Method of engraving textile printing rolls
US2638050A (en) * 1952-05-28 1953-05-12 Multicolor Gravure Corp Method of making printing rolls
US4116594A (en) * 1975-12-12 1978-09-26 Magna-Graphics Corporation Embossing apparatus having magnetic roller and flexible embossing plates therefor
GB2166690A (en) * 1982-12-20 1986-05-14 Kimberly Clark Co Embossed paper
US4966832A (en) * 1988-05-13 1990-10-30 Nissan Motor Co., Ltd. Method of treating inner mold surface
EP0476976A1 (de) * 1990-09-17 1992-03-25 James River Corporation Of Virginia Apparat zur verbesserten Prägungsbindung von mehrlagigen Gewebeprodukten und erhaltene Gewebeprodukte
WO1993025383A1 (en) * 1992-06-12 1993-12-23 The Procter & Gamble Company Modular construction pattern rolls for use in paper converting and paper converted thereby

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773564A1 (fr) * 1998-01-13 1999-07-16 Fort James France Feuille de papier absorbant gaufre, son procede de fabrication et dispositif permettant de la fabriquer
WO1999036253A1 (fr) * 1998-01-13 1999-07-22 Fort James France Feuille de papier absorbant gaufre, son procede de fabrication et dispositif permettant de la fabriquer
EP1033240A1 (de) * 1999-03-01 2000-09-06 Industrie Cartarie Tronchetti S.p.A. Verfahren und Vorrichtung zum Prägen von Folienmaterial, wie Papierbahnen und Deckfolien für Windeln
EP1103369A2 (de) 1999-11-26 2001-05-30 Focke & Co. (GmbH & Co.) Verfahren und Vorrichtung zum Herstellen von Kragen für Klappschachteln
EP1324877A1 (de) 2000-10-13 2003-07-09 Boegli-Gravures S.A. Vorrichtung zum prägen und/oder satinieren von flachmaterial
EP1324877B1 (de) * 2000-10-13 2006-06-21 Boegli-Gravures S.A. Vorrichtung zum prägen und satinieren von flachmaterial
EP1372946A1 (de) 2001-03-26 2004-01-02 Boegli-Gravures S.A. Vorrichtung zur behandlung von flachmaterial

Also Published As

Publication number Publication date
ITMI960592A0 (de) 1996-03-26
IT1284433B1 (it) 1998-05-21
PT798106E (pt) 2000-10-31
CA2201018A1 (en) 1997-09-26
DK0798106T3 (da) 2000-09-04
ES2147955T3 (es) 2000-10-01
DE69702088T2 (de) 2000-11-09
GR3034184T3 (en) 2000-11-30
CN1089676C (zh) 2002-08-28
CN1164467A (zh) 1997-11-12
ATE193243T1 (de) 2000-06-15
ITMI960592A1 (it) 1997-09-26
SI0798106T1 (en) 2000-10-31
EP0798106B1 (de) 2000-05-24
JPH1071526A (ja) 1998-03-17
DE69702088D1 (de) 2000-06-29

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