US1365058A - Process of graphic reproduction - Google Patents

Process of graphic reproduction Download PDF

Info

Publication number
US1365058A
US1365058A US375819A US37581920A US1365058A US 1365058 A US1365058 A US 1365058A US 375819 A US375819 A US 375819A US 37581920 A US37581920 A US 37581920A US 1365058 A US1365058 A US 1365058A
Authority
US
United States
Prior art keywords
glass
blocks
design
plate
graphic reproduction
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.)
Expired - Lifetime
Application number
US375819A
Other languages
English (en)
Inventor
Perregaux Henri
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.)
Individual
Original Assignee
Individual
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
Priority to CH87769D priority Critical patent/CH87769A/fr
Priority to GB3191119A priority patent/GB154804A/en
Application filed by Individual filed Critical Individual
Priority to US375819A priority patent/US1365058A/en
Application granted granted Critical
Publication of US1365058A publication Critical patent/US1365058A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme

Definitions

  • the "metallic deposit in question is preferably obtained by moistening the plate and rubbing thereon a metal stylus which preferably consists of aluminium or an alloy of aluminium. If necessary, the relief may be accentuated by hollowing out the ground work by means of an acid which attacks glass.
  • I may proceed for example, as fol-
  • the edges of a smooth ground glass plate are chamfered, and after the surface of the plate has been moistened with water, the design to be reproduced is drawn thereu on by means of an aluminium stylus.
  • Elie aluminium stylus leaves on the plate a mark which consists of a metallic deposit of aluminium adhering very strongly to the glass.
  • the glass face in question is then dried, and inked by means of ordinary printing-ink containing, however, a certain proportion of glycerin, the introduction of this substance in the composition of the ink giving it a quality of not adhering to the glass but only to the metallic deposit which forms the design.
  • the ground work between the lines can be hollowed out by means of hydrofluoric acid, which attacks the glass wherever it contacts. This may be applied with a brush, or
  • the block or negative obtained by the process according to this invention is permanent, and can be made much cheaper than zinc blocks or blocks of composition obtained by the mechanical processes usually employed in reproducing a design which has first to be traced on paper. Manipula- I tion and electro-chemical baths are avoided, and as the original design is reproduced, the block follows faithfully the idea of the artist.
  • Negatives or blocks thus obtained can be I used either for hand-printing by the aid of ink rollers or for machine-printingin ordinary presses. In the latter case, I may use either a number of relatively thin plates mounted upon a wooden stand with the interposition of a bedding of elastic material such as rubber, or I may directly employ glass blocks sufliciently thick to be gripped without other supports in the form of the press.
  • the glass blocks may be adapted for re-use ,Ihese thick glass blocks may be i 7 formed integral'or may consist of plates by washingwith an acid, such as sulfuric or hydrofluoric, employing a suitable mop so as toerase the design. I find that it is possible to obtain reproductions on any paper so'iw'ell that the blocks can be used in combination with letter-press: and they can further be adapted for color reproduction according to the usual principles ofthe employment of polychrome blocks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Methods (AREA)
US375819A 1919-12-19 1920-04-22 Process of graphic reproduction Expired - Lifetime US1365058A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH87769D CH87769A (fr) 1920-04-22 1919-12-10 Procédé de reproduction graphique.
GB3191119A GB154804A (en) 1919-12-19 1919-12-19 A process of graphic reproduction
US375819A US1365058A (en) 1920-04-22 1920-04-22 Process of graphic reproduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US375819A US1365058A (en) 1920-04-22 1920-04-22 Process of graphic reproduction

Publications (1)

Publication Number Publication Date
US1365058A true US1365058A (en) 1921-01-11

Family

ID=23482485

Family Applications (1)

Application Number Title Priority Date Filing Date
US375819A Expired - Lifetime US1365058A (en) 1919-12-19 1920-04-22 Process of graphic reproduction

Country Status (2)

Country Link
US (1) US1365058A (fr)
CH (1) CH87769A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167005A (en) * 1961-09-28 1965-01-26 Interchem Corp Method for planographic printing
EP0808722A1 (fr) * 1996-05-21 1997-11-26 Agfa-Gevaert N.V. Matériel pour la fabrication d'une plaque lithographique ayant un support en verre

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167005A (en) * 1961-09-28 1965-01-26 Interchem Corp Method for planographic printing
EP0808722A1 (fr) * 1996-05-21 1997-11-26 Agfa-Gevaert N.V. Matériel pour la fabrication d'une plaque lithographique ayant un support en verre

Also Published As

Publication number Publication date
CH87769A (fr) 1921-01-03

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