EP0175276A2 - Herstellungsverfahren für Papierblätter mit dekorativen Rändern - Google Patents

Herstellungsverfahren für Papierblätter mit dekorativen Rändern Download PDF

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Publication number
EP0175276A2
EP0175276A2 EP85111502A EP85111502A EP0175276A2 EP 0175276 A2 EP0175276 A2 EP 0175276A2 EP 85111502 A EP85111502 A EP 85111502A EP 85111502 A EP85111502 A EP 85111502A EP 0175276 A2 EP0175276 A2 EP 0175276A2
Authority
EP
European Patent Office
Prior art keywords
web
roller
rollers
edge
pair
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
EP85111502A
Other languages
English (en)
French (fr)
Other versions
EP0175276A3 (en
EP0175276B1 (de
Inventor
Hans Rausing
Ingvar Nilsson
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.)
Svecia Antiqua Ltd
Original Assignee
Svecia Antiqua SA
Svecia Antiqua Ltd
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 Svecia Antiqua SA, Svecia Antiqua Ltd filed Critical Svecia Antiqua SA
Priority to AT85111502T priority Critical patent/ATE68395T1/de
Publication of EP0175276A2 publication Critical patent/EP0175276A2/de
Publication of EP0175276A3 publication Critical patent/EP0175276A3/en
Application granted granted Critical
Publication of EP0175276B1 publication Critical patent/EP0175276B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/002—Precutting and tensioning or breaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41487—Winding slitting trimming edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/132—Side portions

Definitions

  • the present invention relates to a method for the manufacture of a paper web with decorative edge cutting comprising the separation of at least one edge portion of a paper web whilst at the same time a decorative, irregular edge structure is imparted to the outer lateral edge of the web formed by the separation.
  • the invention relates further to a method for dividing such a web cut along the edge into sheets by severing pieces of sheet from the web whilst forming a decorative irregular edge cutting transversely to the web.
  • the manufacture of the web or sheet in accordance with the invention is started already during the paper making, where the paper stock in the normal manner is poured onto an endless wire screen.
  • so-called watermarks can be obtained in a paper by treating the paper pulp on the screen with a so-called dandy roller.
  • This dandy roller consists of a cylinder clad with a screenlike wire netting.
  • wire netting is inlaid a pattern of other wires which on the one hand project a little outside the surface of the wire cylinder and on the other hand reduce the mesh width on the net-clad cylinder.
  • watermarks are formed if the dandy roller is made to rotate with the screen and in so doing has its surface in the paper pulp. It is possible in this manner to form longitudinal and transverse zones or edges which form watermarks in the finished paper. It is ensured of course that the width between the "watermark edges" of the dandy roller becomes the desired width of the final web or sheet, and that the distance between the transverse watermark edges will correspond to the desired length of the sheets in the case where the web is intended to be divided up into individual sheets.
  • the edge portions 41 of the web 2 may be made in the edge portions 41 of the web 2 for the guiding and feeding of the paper web e.g. into a data printer.
  • the web 2 is provided with longitudinal watermark lines 43 and transverse watermark lines 44 which jointly delimit the sheet 45 which is to be produced, this sheet having a decorative, irregular edge zone 46 in the said watermark zones 44 and 43.
  • This combination of a watermark zone around the edge of the sheet 45 in conjunction with the irregular edge cutting and the otherwise high quality of the paper give the impression of the paper having been hand-made.
  • the paper web is made in the normal manner but is provided with at least longitudinal watermark lines 43 and, if the web is to be converted to sheets, also with transverse watermark lines 44.
  • the said paper web produced is rolled onto a magazine roll 1 which is shown in fig. 1, and the web 2 is led over the deflection rollers 3 to be conducted subsequently to the treatment station I where the web in the longitudinal watermark zones 43 is subjected to a compression with the help of a tool which is arranged on a roller 4 and which operates against a plain hold-on roller 5.
  • a tool roller 4 which can be pressed against the hold-on roller 5 with the help of a spring or an air cylinder 8, a tool is arranged, the working surface of which has a profile 9 as shown in fig. 2.
  • the compression tool 9 is thus of a convex shape and preferably a V-shape with rounded front surface and when the web 2 is conducted between the rollers 5 and 4 the tool 9 will be pressed into the web 2, and since the tool 9 is arranged around the periphery of the web 4 the tool 9 will during the rolling movement continuously compress a zone A of the web 2 whilst the web is conducted past the roller pair 4 and 5. Owing to the particular shape of the tool 9 the compression will be greatest at the front part of the tool 9 and diminish then towards the edges of the compression zone A.
  • the compressed zone can be made of any width, but in the present case the width of the compressed zone is 1 - 5mm. As is evident from fig.
  • the compressed zone A is located within the zone B which represents the zones 43 with the longitudinal watermark edges.
  • the tool 9 is thus brought into engagement with the web 2 along the longitudinal watermark zones 43 and is guided so that during the whole time the compression zone is inside the watermark zone 43.
  • the roller 4 is provided with two annular tools arranged around the periphery of the roller which are adapted so that they both operate within the watermark edge zones 43, and the pressure with which the tool 9 is pressed against the web 2 can be regulated with the help of springs or air cylinders; 8.
  • the tool 9 is preferably made of steel and the plain hold-on roller 5 too is preferably made of steel.
  • station II which comprises a rotating roller 6, this roller being provided with grooves 20 which are arranged at such a distance from each other that their mutual position corresponds to the compressed watermark zones 43.
  • the station II moreover, comprises a cutting arrangement 7 which consists of a stationary wire 21, preferably of metal, which is clamped between clamping points 22 fixed to the frame of machine.
  • the wire 21 is clamped in such a manner that it is inclined in respect of the web and forms an acute angle alpha with the web.
  • the wire 21 is located so that it lies in the groove 20 preferably without resting against the roller 6.
  • the wires 21 are preferably adjusted so in their position that they correspond to the position of the compressed zone A on the watermark edges 43.
  • the separated edge zone 46 is machined again by two co-operating clamp rollers which are pressed against each other in the edge zone, any portions of the edge zone which may have "napped up” being pressed together.
  • the web 2 is led over the deflection roller 10 up to the station IV where two co-operating and controlled clamp rollers compress the transverse watermark zones 44.
  • This compression is carried out with linear pressing tools which are arranged axially to the surface of the clamp rollers 12, and the compression of the transverse watermark zones 44 is carried out in such a manner that the paper web is not completely severed but is substantially weakened in as much as the paper fibres are crushed.
  • rollers 12 hinged clippers for the severing of the paper sheets, but in this case it is not possible to achieve the same attractive edge structure as when the paper fibres are crushed and the sheets 45 are subsequently separated from the web 2 by pulling until the weakened watermark zone is caused to break.
  • the cylinders 11 in the station IV have to be controlled so that the tools will engage at the right place, that is to say within the watermark edge 44 and this can be done e.g. by means of a photocell control.
  • This control functions so that a photocell indicates the position of the watermark zone 44 which is more transparent than the surrounding portions, whereupon a signal is transmitted to the driving unit for the pair of rollers so that the tools 12, 13 will engage with the paper web 2 precisely in the transverse watermark zones 44.
  • the web 2 is not completely severed but only weakened through compression of the watermark zone 44 the web is introduced between two driven rollers 14 which are driven by a motor 15 by means of a belt 16.
  • the web 2 after it has left the rollers 14, is-led further to the rollers 19 which with the help of a transmission 17 are driven by a gear which imparts an intermittent speed to the rollers.
  • the individual sheets 45 are severed from the web 2 in that the front part of the web is torn or pulled loose from the rest of the web, the severing taking place along the weakened watermark zone 44.
  • the tearing off takes place so that the web is advanced by and is held tight between the rollers 14 and that the front end of the web 2 is similarly advanced and held tight between the rollers 19.
  • a rate of feed is imparted in a first phase which is less than the rate of feed of the pair of rollers 14. This means that the part of the web 2 which is between the pairs of rollers 14 and 19 is slightly slackened.
  • the sheet 45 produced which has been treated in the above mentioned manner will have around its edge a narrow "watermark zone” and a somewhat irregular edge structure which is pronounced of that which is found on hand-made paper.
  • the edge zone 41 of the web may then be provided with holes 42 adapted for a feed by means of toothed wheels.
  • the edge zonewith holes 42 can be used for toothed wheel feed in an arrangement of the type as shown in fig. 1 but it can also be used in conjunction with printouts from automatic printers of the type used in connection with computers. If the guiding is done with the help of the toothed holes in the edge zones of the web 2, a very accurate feed of the web can be obtained and the edge zones 41 are severed in the manner as described earlier in the station II so that after passage of the clamp rollers 23 in the station III they are removed as edge clippings and be dumped into a collecting device 24.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Laminated Bodies (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Winding Of Webs (AREA)
  • Paper (AREA)
EP85111502A 1984-09-19 1985-09-11 Herstellungsverfahren für Papierblätter mit dekorativen Rändern Expired - Lifetime EP0175276B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85111502T ATE68395T1 (de) 1984-09-19 1985-09-11 Herstellungsverfahren fuer papierblaetter mit dekorativen raendern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08423674A GB2166996B (en) 1984-09-19 1984-09-19 A method for the manufacture of a paper web with decorative edge cutting
GB8423674 1984-09-19

Publications (3)

Publication Number Publication Date
EP0175276A2 true EP0175276A2 (de) 1986-03-26
EP0175276A3 EP0175276A3 (en) 1988-03-30
EP0175276B1 EP0175276B1 (de) 1991-10-16

Family

ID=10566940

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111502A Expired - Lifetime EP0175276B1 (de) 1984-09-19 1985-09-11 Herstellungsverfahren für Papierblätter mit dekorativen Rändern

Country Status (6)

Country Link
EP (1) EP0175276B1 (de)
JP (1) JPS6186195A (de)
AT (1) ATE68395T1 (de)
CA (1) CA1256014A (de)
DE (1) DE3584411D1 (de)
GB (1) GB2166996B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002143A1 (de) * 1999-07-05 2001-01-11 Gevas Verpackungsmaschinen Gmbh Warenbahn mit durch trennlinien aufgeteilten, abreissbaren streifen und vorrichtung zur herstellung der trennlinien in der warenbahn
CN110238883A (zh) * 2019-07-26 2019-09-17 益阳市锦汇电子有限公司 一种电容器生产用原料分切装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1470675A (en) * 1921-10-10 1923-10-16 American Writing Paper Company Method for making paper having the appearance of handmade paper
US1616211A (en) * 1927-02-01 Method and apparatus for making paper having the appearance op
GB282620A (en) * 1926-12-24 1928-03-29 Christiaan Moes Process and apparatus for the manufacture of paper which possesses properties closely resembling those of hand made paper
US1761051A (en) * 1929-01-30 1930-06-03 Wilfrid J Rivard Deckling machine
US2026754A (en) * 1933-02-08 1936-01-07 Celanese Corp Manipulation of sheet material
GB551379A (en) * 1941-08-18 1943-02-19 Standard Register Co Apparatus for severing a continuous web of material into a succession of sheets
CH318840A (de) * 1954-03-16 1957-01-31 Goessler & Cie Ag H Verfahren und Vorrichtung zur Herstellung von Papierwaren mit Büttenrand
FR2089660A5 (de) * 1970-04-15 1972-01-07 Du Pont
US3666151A (en) * 1970-08-18 1972-05-30 Du Pont Canada Apparatus for and method of severing film

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1616211A (en) * 1927-02-01 Method and apparatus for making paper having the appearance op
US1470675A (en) * 1921-10-10 1923-10-16 American Writing Paper Company Method for making paper having the appearance of handmade paper
GB282620A (en) * 1926-12-24 1928-03-29 Christiaan Moes Process and apparatus for the manufacture of paper which possesses properties closely resembling those of hand made paper
US1761051A (en) * 1929-01-30 1930-06-03 Wilfrid J Rivard Deckling machine
US2026754A (en) * 1933-02-08 1936-01-07 Celanese Corp Manipulation of sheet material
GB551379A (en) * 1941-08-18 1943-02-19 Standard Register Co Apparatus for severing a continuous web of material into a succession of sheets
CH318840A (de) * 1954-03-16 1957-01-31 Goessler & Cie Ag H Verfahren und Vorrichtung zur Herstellung von Papierwaren mit Büttenrand
FR2089660A5 (de) * 1970-04-15 1972-01-07 Du Pont
US3666151A (en) * 1970-08-18 1972-05-30 Du Pont Canada Apparatus for and method of severing film

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002143A1 (de) * 1999-07-05 2001-01-11 Gevas Verpackungsmaschinen Gmbh Warenbahn mit durch trennlinien aufgeteilten, abreissbaren streifen und vorrichtung zur herstellung der trennlinien in der warenbahn
CN110238883A (zh) * 2019-07-26 2019-09-17 益阳市锦汇电子有限公司 一种电容器生产用原料分切装置

Also Published As

Publication number Publication date
ATE68395T1 (de) 1991-11-15
CA1256014A (en) 1989-06-20
GB2166996B (en) 1988-01-20
JPS6186195A (ja) 1986-05-01
GB2166996A (en) 1986-05-21
DE3584411D1 (de) 1991-11-21
GB8423674D0 (en) 1984-10-24
EP0175276A3 (en) 1988-03-30
EP0175276B1 (de) 1991-10-16

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