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US1094799A - Method of watermarking paper. - Google Patents

Method of watermarking paper. Download PDF

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Publication number
US1094799A
US1094799A US52135309A US1909521353A US1094799A US 1094799 A US1094799 A US 1094799A US 52135309 A US52135309 A US 52135309A US 1909521353 A US1909521353 A US 1909521353A US 1094799 A US1094799 A US 1094799A
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United States
Prior art keywords
paper
character
water
sheet
marked
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Expired - Lifetime
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US52135309A
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William J F Maidhof
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Priority to US52135309A priority Critical patent/US1094799A/en
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    • 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

Definitions

  • This invention relates to an improved method of water-marking paper, with the object in view of providing a method by which paper may be water-marked at any time, even after it has been manufactured, and without the necessity of any preparatory treatment; and in carrying out which method any ordinary printing or embossing form may be used.
  • My method is especiallv adapted for marking small lots of paper because it may be carried out in connection with finished paper.
  • Figure 1 represents a detail vertical section through the cylinders of a rotary cylinder printing or embossing machine arranged to carry out my method:
  • Fig. 2 represents a detail view of the form or plate and the character thereon, the character being covered by a roughened sheet partially broken away:
  • Fig. 3 represents a view similar to Fig. 2, except that the roughened sheet takes the form of the character, and
  • Fig. 4 represents a detail view of a piece of paper with the character water-marked thereon.
  • the form cylinder is denoted by 1 and the impression cylinder by 2.
  • the former is provided with an ordinary form or plate 3 secured thereon by clamps 4 and screws 5.
  • the impression cylinder is provided, in the usual manner, with rollers 6 and guides 7 for carrying a tympan 8.
  • the web or sheet to be water-marked is indicated by 9.
  • the form 3 is provided with a raised character 10 on its face, in the present instance, the letter A.
  • a roughened sheet 11 preferably a textile fabric such as linen.
  • This sheet may be of any convenient shape, and of suflicient size tocover the character which it is desired to water-mark on the paper, as
  • the web or sheet to be marked is subjected to the action of the cylinders.
  • the character on the form or plate 3 will be embossed on the web or sheet 9, in exact simulation of a watermark: the roughened sheet causing the character to have a dull appearance as of a quantity of intersecting lines or adjacent marks.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Description

W. J. P. MAIDHOP.
METHOD OF WATERMARKING PAPER.
APPLICATION FILED 00T.6.1909.
1,094,799. Patented Apr. 28, 1914.
UNITED STATES PATENT OFFICE.
WILLIAM J. F. MAIDHOF, OF NEW YORK, N. Y.
METHOD OF WATERMABKING PAPER.
Specification of Letters Patent.
Patented Apr. 28, 1914.
Application filed October 6, 1909. Serial No. 521,353.
This invention relates to an improved method of water-marking paper, with the object in view of providing a method by which paper may be water-marked at any time, even after it has been manufactured, and without the necessity of any preparatory treatment; and in carrying out which method any ordinary printing or embossing form may be used.
It has heretofore been customary to watermark paper during the process of its manufacture, thus requiring a very large amount of paper to be stamped with a given mark in order to prevent the cost of water-marking rendering the price of the paper commercially prohibitive.
My method is especiallv adapted for marking small lots of paper because it may be carried out in connection with finished paper.
A practical form of means for carrying out my method is represented in the accompanying drawings, in which,
Figure 1 represents a detail vertical section through the cylinders of a rotary cylinder printing or embossing machine arranged to carry out my method: Fig. 2 represents a detail view of the form or plate and the character thereon, the character being covered by a roughened sheet partially broken away: Fig. 3 represents a view similar to Fig. 2, except that the roughened sheet takes the form of the character, and Fig. 4 represents a detail view of a piece of paper with the character water-marked thereon.
The form cylinder is denoted by 1 and the impression cylinder by 2. The former is provided with an ordinary form or plate 3 secured thereon by clamps 4 and screws 5. The impression cylinder is provided, in the usual manner, with rollers 6 and guides 7 for carrying a tympan 8. The web or sheet to be water-marked is indicated by 9. The form 3 is provided with a raised character 10 on its face, in the present instance, the letter A. On the face of the form or plate, I secure, in any desired manner, such as by an adhesive, a roughened sheet 11, preferably a textile fabric such as linen. This sheet may be of any convenient shape, and of suflicient size tocover the character which it is desired to water-mark on the paper, as
indicated in Fig. 2, or it may conform to the.
shape of the character as indicated in Fig. 3.
In operation, after the roughened sheet is secured in place, the web or sheet to be marked is subjected to the action of the cylinders. As a result, the character on the form or plate 3 will be embossed on the web or sheet 9, in exact simulation of a watermark: the roughened sheet causing the character to have a dull appearance as of a quantity of intersecting lines or adjacent marks.
It will be seen that this method is comparatively cheap and rapid and extremely desirable in that it permits the commercial water-marking of small lots of paper after the latter is manufactured.
It is to be understood that various changes may be made in the form, construction and arrangement of the means for carrying out my method; hence I do not wish to limit myself strictly to the mechanism herein shown and described, but
What I claim is:
1. The method of water-marking paper consisting in subjecting the paper to the action of a printing or embossing machine while a roughened sheet is interposed between the printing face of the form and the paper to be marked.
2. The method of water-marking paper consisting in subjecting the paper to the action of a printing or embossing machine while a sheet of'textile fabric is interposed between the printing face of the form and the paper to be marked.
In testimony. that I claim the foregoing as my invention, I have signed my name in presence of two witnesses, this fourth day of October, 1909.
WILLIAM J. F. MAIDHOF. Witnesses:
F. Gnonen BARRY, HENRY THIEME.
copies of this patent may be obtained for five cents each, by efidrescing the Commissioner of Patents. Washington, D. G,
US52135309A 1909-10-06 1909-10-06 Method of watermarking paper. Expired - Lifetime US1094799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US52135309A US1094799A (en) 1909-10-06 1909-10-06 Method of watermarking paper.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52135309A US1094799A (en) 1909-10-06 1909-10-06 Method of watermarking paper.

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US1094799A true US1094799A (en) 1914-04-28

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US52135309A Expired - Lifetime US1094799A (en) 1909-10-06 1909-10-06 Method of watermarking paper.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549847A (en) * 1944-12-04 1951-04-24 Edgar C V Oldofredi Method of and means for producing decorated material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549847A (en) * 1944-12-04 1951-04-24 Edgar C V Oldofredi Method of and means for producing decorated material

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