US672582A - Production of water-marks. - Google Patents

Production of water-marks. Download PDF

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Publication number
US672582A
US672582A US71142599A US1899711425A US672582A US 672582 A US672582 A US 672582A US 71142599 A US71142599 A US 71142599A US 1899711425 A US1899711425 A US 1899711425A US 672582 A US672582 A US 672582A
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Prior art keywords
pulp
paper
water
suction
marks
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US71142599A
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Rudolf Affeltranger
Ludwig Zweifel
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J1/00—Fibreboard
    • D21J1/16—Special fibreboard
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres

Definitions

  • Wneffar ,zwena/ fw v mi: mums parus co, l-Hammno.. wAswmsmn, u c
  • colored watermarks are incorporated inpaper by applying the marks in color to the surface of the paper-pulp and sucking them into the material.
  • the accompanying drawing represents by a longitudinal vertical section an example of apparatus for producing water-marks according to this invention.
  • An endless making-wire m is led around rollers a and passes over three suction-boxes b c d.
  • a printing-roller e which is provided on its periphery with a design composed of letters, patterns, or the like. The design may be made on a suitable materialsuch, for example, as wood, metal, or caoutchouc.
  • a color-roller f dips into a colortrough g.
  • a distributing-roller fu which touches both and is adapted to take the color from the color-roller and to apply it uniformly to the printing-roller e.
  • a pipe h Above the suction-box d there is a pipe h, which is provided with an outlet. At one end there is arranged over the wire ma stuff-feeder t', and below the wire there are provided supporting tuberolls 7c, which prevent the wire from sagging.
  • the making-wire m passes at the opposite end and behind the suction-boxes between two pressure or couch rollers Z and then returns below.
  • the paper-pulpo passes from the stuff-feeder z' to the making-wire m, moves with the same over the supporting tube-roll It, passes onto the suction-boxes b c d, and is sucked thereby.
  • Over the middle suction-box c the printing-roller a imprints its design in color upon the layer of paper-pulp.
  • the sucking of the paper-pulp downward on the Suction-box preventsit from adheringto the printing-roller.
  • the color is fixed more quickly by the suction and cannot spread in the ⁇ paperpulp. If the color is applied to transparent paper-pulp,then the colored part will also appear transparent when looking through the paper.
  • fresh paper-pulp may be supplied from the pipe h, that is situated over the suction-box d, to the printed pulp, so as to become felted therewith and to cover the imprint.
  • the velocity of the roller e is altered at a suitable moment and to a suitable degree.
  • the difference thus produced in the velocities of the roller e, the making-wire m, and the pulp thereon is small of itself; but it produces in the layer of pulp a shifting or spreading of the color beyond the boundary-lines of the design imprinted, whereby the shadows or the characterictic light effects are produced.
  • This method may also be resortedlto in ordinary watermarking, and the watermarks4 will then have only the characteristic light and shade effect.
  • the improvement which consists in imprinting the mark upon one face of a layer of pulp while being formed into a web, applying suction to the opposite face of said layer at the IOO point Where the impression is made, and making the impression at a speed diierent from that at which the layer of pulp travels, for the purpose set forth.
  • a paper oomprislnga plurality of layers, 2o one of said layers only being'watermarked, substantially as set forth.
  • a paper comprising a plurality of layers, one layer of Which has a colored Water-mark, substantially as set forth.
  • a paper comprising a Watermarked web intermediate unwatermarked Webs, substantially as set forth.
  • a paper comprising a web provided With a colored Water-mark intermediate unwater- 3o marked Webs, substantially as set forth.

Description

No. 672,582. Patented Apr. 23, |90I.
B. AFFELTBANGER L. ZWEIFEL. PRODUCTION 0F WATER MARKS.
(ppucmon filed Apr. 1 1899., No Model.)
Wneffar: ,zwena/ fw v mi: mums parus co, l-Hammno.. wAswmsmn, u c
UNITED STATES ATENT Fries.
RUDOLF AFFELTRANGER, OF ZURICH, AND LUDWIG ZWEIFEL, OF NETTSTALL, SWITZERLAND.
PRODUCTION OF WATER-MARKS.
SPECIFICATION forming part of Letters Patent No. 672,582, dated April 23, 1901.
Application iiled April 1,1899. Serial No. 711,425. (No specimens.)
To all whom t may concern.-
Be it known that we, RUDOLF AFnnLT-RAN- GER, residing at Zurich, and LUDWIG ZWEI- FEL, residing at Nettstall, Switzerland, citizens of the Republic of Switzerland, have invented certain new and useful Improvements in and Connected with the Production of Water-Marks, (for which application for patent has been made in the following countries: in Switzerland on the 23d of November, 1898; in Germany on the 3d of December, 1898; in France on the 21st of January, 1899; in Great Britain on the 21st of January, 1899; in Austria on the 10th of February, 1899, and in Italy on the 11th of February, 1899,) of which the following is a specication.
According to this invention colored watermarks are incorporated inpaper by applying the marks in color to the surface of the paper-pulp and sucking them into the material.
According to this invention, also, by giving the water-mark-printing roller a differential velocity water-marks are formed with shaded portions.
The accompanying drawing represents by a longitudinal vertical section an example of apparatus for producing water-marks according to this invention.
An endless making-wire m is led around rollers a and passes over three suction-boxes b c d. Over the central suction-box c there is arranged a printing-roller e, which is provided on its periphery with a design composed of letters, patterns, or the like. The design may be made on a suitable materialsuch, for example, as wood, metal, or caoutchouc. A color-roller f dips into a colortrough g. Between the color-roller and the printing-roller there runs a distributing-roller fu, which touches both and is adapted to take the color from the color-roller and to apply it uniformly to the printing-roller e. Above the suction-box d there is a pipe h, which is provided with an outlet. At one end there is arranged over the wire ma stuff-feeder t', and below the wire there are provided supporting tuberolls 7c, which prevent the wire from sagging. The making-wire m passes at the opposite end and behind the suction-boxes between two pressure or couch rollers Z and then returns below.
Theoperation of theapparatus j ustdescribed -is as follows: The paper-pulpo passes from the stuff-feeder z' to the making-wire m, moves with the same over the supporting tube-roll It, passes onto the suction-boxes b c d, and is sucked thereby. Over the middle suction-box c the printing-roller a, imprints its design in color upon the layer of paper-pulp. The sucking of the paper-pulp downward on the Suction-box preventsit from adheringto the printing-roller. The color is fixed more quickly by the suction and cannot spread in the `paperpulp. If the color is applied to transparent paper-pulp,then the colored part will also appear transparent when looking through the paper. For the purposes of increasing the durability of the paper and of protecting it from imitation line fresh paper-pulp may be supplied from the pipe h, that is situated over the suction-box d, to the printed pulp, so as to become felted therewith and to cover the imprint. For the purpose of causing the impressions made in the manner described to appear with boundary shadows, and thus to acquire a still more characteristic appearance, the velocity of the roller e is altered at a suitable moment and to a suitable degree. The difference thus produced in the velocities of the roller e, the making-wire m, and the pulp thereon is small of itself; but it produces in the layer of pulp a shifting or spreading of the color beyond the boundary-lines of the design imprinted, whereby the shadows or the characterictic light effects are produced. This method may also be resortedlto in ordinary watermarking, and the watermarks4 will then have only the characteristic light and shade effect.
We claim- 1. In the art of watermarking paper, the improvement which consists in imprinting the mark upon one face of a layer of pulp and applying suction to the opposite face thereof at the point where the impression is made and superimposing a layer of pulp upon the marked layer, for the purpose set forth.
2. In the art of watermarking paper, the improvement which consists in imprinting the mark upon one face of a layer of pulp while being formed into a web, applying suction to the opposite face of said layer at the IOO point Where the impression is made, and making the impression at a speed diierent from that at which the layer of pulp travels, for the purpose set forth.
. 3. In the art of watermarking paper, the improvement which consists in imprinting the mark with a marking fluid upon a layer of paper-pulp, drawing such uid into the pulp by suction and superimposing a layer of pulp upon the marked layer, for the purpose set forth.
4:. In the art of Watermarking paper, the improvement which consists in imprinting the mark With a marking fluid upon a layer of paper-pulp While being formed into a Web, drawing said fluid into the pulp by suction, and making the impression at a speed differ: ent from that at which the pulp travels, for the purpose set forth.
5. A paper oomprislnga plurality of layers, 2o one of said layers only being'watermarked, substantially as set forth.
6. A paper comprisinga plurality of layers, one layer of Which has a colored Water-mark, substantially as set forth.
7. A paper comprising a Watermarked web intermediate unwatermarked Webs, substantially as set forth.
8. A paper comprising a web provided With a colored Water-mark intermediate unwater- 3o marked Webs, substantially as set forth.
In Witness whereof we have hereunto set our hands in presence of two witnesses.
RUDOLF AFFELTRANGER. LUDWIG ZWEIFEL. Witnesses:
MORITZ VERTE, A. LIEBERKNECHT.
US71142599A 1899-04-01 1899-04-01 Production of water-marks. Expired - Lifetime US672582A (en)

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US71142599A US672582A (en) 1899-04-01 1899-04-01 Production of water-marks.

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504357A (en) * 1979-02-13 1985-03-12 Gao Gesellschaft Fuer Automation Und Organisation Mbh. Security with identifying marks printed in the substance of a paper layer
US5161829A (en) * 1990-04-12 1992-11-10 James River Corporation Of Virginia Security paper and method of manufacturing the same
US5928471A (en) * 1993-09-27 1999-07-27 Portals Limited Security features for paper
US6368455B1 (en) 2001-05-31 2002-04-09 Appleton Papers Inc. Method for making security paper
US20090301676A1 (en) * 2006-02-09 2009-12-10 Arjowiggins Sheet material comprising at least one watermark having a colored shade

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504357A (en) * 1979-02-13 1985-03-12 Gao Gesellschaft Fuer Automation Und Organisation Mbh. Security with identifying marks printed in the substance of a paper layer
US5161829A (en) * 1990-04-12 1992-11-10 James River Corporation Of Virginia Security paper and method of manufacturing the same
US5928471A (en) * 1993-09-27 1999-07-27 Portals Limited Security features for paper
US6582556B2 (en) 1998-12-31 2003-06-24 Appleton Papers Inc. Security paper and methods for production thereof
US6368455B1 (en) 2001-05-31 2002-04-09 Appleton Papers Inc. Method for making security paper
US6531032B2 (en) 2001-05-31 2003-03-11 Appleton Papers Inc. Security paper
US20090301676A1 (en) * 2006-02-09 2009-12-10 Arjowiggins Sheet material comprising at least one watermark having a colored shade
US8182651B2 (en) * 2006-02-09 2012-05-22 Arjowiggins Sheet material comprising at least one watermark having a colored shade
US8852396B2 (en) 2006-02-09 2014-10-07 Arjowiggins Security Sheet material comprising at least one watermark having a colored shade

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