US1644597A - Flexible printing sheet - Google Patents

Flexible printing sheet Download PDF

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Publication number
US1644597A
US1644597A US66681A US6668125A US1644597A US 1644597 A US1644597 A US 1644597A US 66681 A US66681 A US 66681A US 6668125 A US6668125 A US 6668125A US 1644597 A US1644597 A US 1644597A
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US
United States
Prior art keywords
printing
sheet
flexible
available
printing sheet
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
US66681A
Inventor
Lichtenstein Edmund
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.)
FIRM DEUTSCHE MASCHB und VERTR
Firm Deutsche Maschinenbau- und Vertriebs- GmbH
Original Assignee
FIRM DEUTSCHE MASCHB und VERTR
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
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Application filed by FIRM DEUTSCHE MASCHB und VERTR filed Critical FIRM DEUTSCHE MASCHB und VERTR
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Publication of US1644597A publication Critical patent/US1644597A/en
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Expired - Lifetime legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00Printing plates or foils; Materials therefor
    • B41N1/04Printing plates or foils; Materials therefor metallic
    • B41N1/08Printing plates or foils; Materials therefor metallic for lithographic printing

Definitions

  • Such a metallized paper can be provided with inscriptions for instance by means ofan ordinary type writing machine and on account of its flexibility can be arranged ing cylinder of the printing machine without using tools or the like.
  • the flexible sheet is prepared for this by being cut to accurate measure and by being provided i :ith suitable holes or perforations for receiving the securing means. Further the active surface of the sheet can be prepared in any known manner for giving it the suitable structure or grain for the-printing process.
  • lines not to be trans ferred in duplicating can be arranged on the area available for printing before the flexible sheet is given to the dealers or users.
  • the photoprinting process can be made use i of in such a way that the area availablefor printing is prepared to become sensitive for light in' any Well known manner.
  • a flexible grained planograph printingsheet having an area available for printing and an area not available for printing
  • said areas being visibly distinguishable from each other by the character of the grain.
  • a flexible grained planograph printing sheet having an area available for printing and an area not available for printing. said areas being visibly demarked by nonprinting imperforate boundary lines.

Description

1 44 Oct E. LICHTENSTEIN I FLEXIBLE PRINTING SHEET Filed Novas, 1925 ooooooooooooooooo'oooo nu ------------------I -/77 flIIIIIIII-IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII n TI-IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIi I I I I I I I I I I I m iz I I I I I I I I l I I I I I n) uu-- ---------nn Am ooooooboooooooooeoooo //VI /V7'0R EL/Chie/wfa'n a; ,%-4/ w/ MM Arm Patented a. 4', 1927.
UNITED. STATES PATENT OFFICE.
EDMUND LICHTENSTEIN, OF BERLIN, GERMANY, ASSIGNOR TO THE FIRM: iDEUTSCHE MASCHINENBAU- UND VERTRIEBS- GESELLSCHAFT M. 13. IL, OE BERLIN, GERMANY.
FLEXIBLE PRINTING SHEET.
Application filed November 3, 1925, Serial No. 66,681, and in Germany November 4, 1924.
In constructing small duplicating or printing machines using the known flatprinting or off-set printing it 1s very desirable to counteract the inherent complication of such process for enabling unskllled persons to use the machines successfully.
In the first place the printing sheet comes in question and it has been proposed to use for printing a sheet of metallized paper or an extremely thin sheet of metal like zinc or aluminum backed with paper.
Such a metallized paper can be provided with inscriptions for instance by means ofan ordinary type writing machine and on account of its flexibility can be arranged ing cylinder of the printing machine without using tools or the like.
The flexible sheet is prepared for this by being cut to accurate measure and by being provided i :ith suitable holes or perforations for receiving the securing means. Further the active surface of the sheet can be prepared in any known manner for giving it the suitable structure or grain for the-printing process.
Such known sheets are improved by. the present invention which is illustrated in the accompanying drawing in which the sole figure is a plan view of a sheet prepared according to the invention.
By the fastening means of the machine some parts of the flexible sheet are required for holding the sheet on the cylinder so that such parts of the sheet are not available foiprinting. The skilled typist in arranging the inscriptions or the like on the sheet would take account of this fact by determining the available area of the sheet for printing.
However a typist unskilled in the practice of duplicating would encounter difficulties. According to the invention these difficulties are removed by so preparing the sheet that the limits of the space available for printing can be seen easily.
Accordim to the invention this result is obtained by preparing the sheet in the factorv with lines or the like confining the area of the flexible sheet available for inscriptlons.
The possibility that these confining lines under sufficient tension on the correspond-- or thelikewill be transferred to the duplicates printed from such a flexible printing sheet is excluded by producing the distinction between the available printing area and the other parts of thesheet in any way preventing the printing of such confining means together with the inscriptions. This may be obtained, for instance, by usin different grain for the different parts 0 the sheet produced, for instance, by sand blasting with sand of, different degrees of fineness or by using a flat-free imprint.
In a similar way lines not to be trans ferred in duplicating can be arranged on the area available for printing before the flexible sheet is given to the dealers or users.
However the transfer to the duplicates of such or similar characters or the like arranged a priori on the flexible'sheets is de sir-able in certain cases and the invention is therefore also concerned therewith. For instance letter heads or any pictures of a more or less complicated or delicate nature can be arranged a priori on the flexible sheet as well as lines for musical notes. Thereby it is possible for any musician unskilled in off-set printing or flat printing to use such flexible sheets and to inscribe the musical notes in the ordinary way.
For further simplifying the use of the flexible sheets by suitable preparation also the photoprinting process can be made use i of in such a way that the area availablefor printing is prepared to become sensitive for light in' any Well known manner.
Having described the invention I declare that, what I claim is 1. A flexible grained planograph printingsheet having an area available for printing and an area not available for printing,
said areas being visibly distinguishable from each other by the character of the grain.
2. A flexible grained planograph printing sheet having an area available for printing and an area not available for printing. said areas being visibly demarked by nonprinting imperforate boundary lines.
In testimony whereof I affix my signature.
EDMUND LICHTENSTEIN.
US66681A 1924-11-04 1925-11-03 Flexible printing sheet Expired - Lifetime US1644597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1644597X 1924-11-04

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US1644597A true US1644597A (en) 1927-10-04

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516613A (en) * 1945-10-22 1950-07-25 Addressograph Multigraph System of setting paper positioning parts on a printing machine
US2582347A (en) * 1945-03-08 1952-01-15 Columbia Ribbon & Carbon Planographic printing
US2780169A (en) * 1952-10-13 1957-02-05 Fortner Turner Marvin Margin marked duplicator master set
US3072546A (en) * 1959-03-02 1963-01-08 Lawton Printing Company Graining printing plates
US3267848A (en) * 1963-08-15 1966-08-23 Dick Co Ab Offset master and method of imaging

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582347A (en) * 1945-03-08 1952-01-15 Columbia Ribbon & Carbon Planographic printing
US2516613A (en) * 1945-10-22 1950-07-25 Addressograph Multigraph System of setting paper positioning parts on a printing machine
US2780169A (en) * 1952-10-13 1957-02-05 Fortner Turner Marvin Margin marked duplicator master set
US3072546A (en) * 1959-03-02 1963-01-08 Lawton Printing Company Graining printing plates
US3267848A (en) * 1963-08-15 1966-08-23 Dick Co Ab Offset master and method of imaging

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