GB976149A - Improvements in and relating to stencil formers - Google Patents

Improvements in and relating to stencil formers

Info

Publication number
GB976149A
GB976149A GB44806/61A GB4480661A GB976149A GB 976149 A GB976149 A GB 976149A GB 44806/61 A GB44806/61 A GB 44806/61A GB 4480661 A GB4480661 A GB 4480661A GB 976149 A GB976149 A GB 976149A
Authority
GB
United Kingdom
Prior art keywords
sheet
stencil
glass beads
roller
envelope
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
Application number
GB44806/61A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB976149A publication Critical patent/GB976149A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B41N1/24Stencils; Stencil materials; Carriers therefor
    • B41N1/242Backing sheets; Top sheets; Intercalated sheets, e.g. cushion sheets; Release layers or coatings; Means to obtain a contrasting image, e.g. with a carbon sheet or coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41LAPPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
    • B41L47/00Details of addressographs or like series-printing machines
    • B41L47/02Applications of printing surfaces in addressing machines or like series-printing machines
    • B41L47/06Applications of printing surfaces in addressing machines or like series-printing machines of flat or curved stencils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41LAPPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
    • B41L47/00Details of addressographs or like series-printing machines
    • B41L47/14Devices or arrangements for storing or handling plates

Landscapes

  • Printing Methods (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

976,149. Printing apparatus. INTERNATIONAL BUSINESS MACHINES COR. PORATION. Dec. 14, 1961 [Dec. 27, 1960], No. 44806/61. Heading B6C. A stencil 10 is produced by the impact of a type slug 13 on a stencil assembly comprising two sheets of card stock 14 having central apertures 15, two sheets 16, 17 of plastic material defining an envelope within said apertures, and, within said envelope, an inkfilled cellular plastic sheet 18 having embedded therein a plurality of small glass beads. The localized pressure of the slug 13 against the sheet 17 causes the beads 19 to cut the thinner and weaker plastic sheet 16 which is in contact with a roller 11. Owing to capillary action, however, ink does not flow out of the cuts 22 in the sheet 16 until it is forced out during printing on a sheet 21 by a pressure roller 20. The glass beads may be replaced by a porous sheet of sandpaper, Fig. 2 (not shown), or the glass beads may be dispensed with and the roller 11 replaced by one having a roughened surface which cuts the plastic sheet, Fig. 3 (not shown), Only one card stock 14 may be provided with a central aperture.
GB44806/61A 1960-12-27 1961-12-14 Improvements in and relating to stencil formers Expired GB976149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78717A US3020836A (en) 1960-12-27 1960-12-27 Stencil aperture tabulating card

Publications (1)

Publication Number Publication Date
GB976149A true GB976149A (en) 1964-11-25

Family

ID=22145806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44806/61A Expired GB976149A (en) 1960-12-27 1961-12-14 Improvements in and relating to stencil formers

Country Status (3)

Country Link
US (1) US3020836A (en)
DE (1) DE1188090B (en)
GB (1) GB976149A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149563A (en) * 1961-05-12 1964-09-22 Minnesota Mining & Mfg Stencil-forming sheet material assembly
US3326180A (en) * 1963-12-27 1967-06-20 Sanford Res Company Stamp pad and reserve ink supply therefor
US3926113A (en) * 1974-03-21 1975-12-16 Wallace Business Forms Inc Thin frame stencil assembly
GB1528657A (en) * 1975-03-13 1978-10-18 Riso Kagaku Corp Stencil paper assembly
JPH0585072A (en) * 1991-09-25 1993-04-06 Brother Ind Ltd Stencil paper

Also Published As

Publication number Publication date
US3020836A (en) 1962-02-13
DE1188090B (en) 1965-03-04

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