EP0163686B1 - A method and a paper for producing self-copying printed matter - Google Patents

A method and a paper for producing self-copying printed matter Download PDF

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Publication number
EP0163686B1
EP0163686B1 EP84904204A EP84904204A EP0163686B1 EP 0163686 B1 EP0163686 B1 EP 0163686B1 EP 84904204 A EP84904204 A EP 84904204A EP 84904204 A EP84904204 A EP 84904204A EP 0163686 B1 EP0163686 B1 EP 0163686B1
Authority
EP
European Patent Office
Prior art keywords
coated
web
layer
paper
printed matter
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
EP84904204A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0163686A1 (en
Inventor
Lennart JÖRLER
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.)
IRMANI AB TE EDSBYN, ZWEDEN.
Original Assignee
EDSBYNS TRYCKERI AB
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 EDSBYNS TRYCKERI AB filed Critical EDSBYNS TRYCKERI AB
Publication of EP0163686A1 publication Critical patent/EP0163686A1/en
Application granted granted Critical
Publication of EP0163686B1 publication Critical patent/EP0163686B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/1246—Application of the layer, e.g. by printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C3/00—Making booklets, pads, or form sets from multiple webs

Definitions

  • the present invention relates to a method and a paper for producing items of self-copying printed matter comprising at least two sheets combined in a so-called form set or the like.
  • form set typically comprises, for example, three or four sheets of self-copying paper with which the intention is to record notations by hand or by machine on the uppermost sheet which are automatically reproduced on the sheets lying therebeneath.
  • the uppermost sheet is coated on the undersurface thereof with a so-called coated-back layer (CB-layer)
  • the bottom is coated on the upper surface thereof with so-called coated-front layer (CF-layer) while the two intermediate sheets are coated with a CF-layer on the upper surfaces thereof and with a CB-layer on the under surfaces.
  • CB-layer coated-back layer
  • CF-layer coated-front layer
  • the two intermediate sheets are coated with a CF-layer on the upper surfaces thereof and with a CB-layer on the under surfaces.
  • the properties of a self-copying layer are such that when a CB-layer is written upon, with a pen for example, and therewith comes into contact with CF-layer the substances present in the respective CB-layer and CF-layer are chemically combined in a manner which is rendered visible on at least the sheet coated with a CF-layer.
  • a first paper web is coated on one side with a CF-layer
  • a second paper web is coated on one side with a CB-layer
  • a third paper web is coated with a CB-layer on one side and a CF-layer on the other.
  • the paper webs are then placed in the successive order in a printing machine and provided with printed text etc., whereafter a thus printed paper web is divided longitudinally into narrower paper webs of a width corresponding to the width of the intended form set, and is then rolled up.
  • one paper roll intended for the upper side, one paper roll intended for the underside, and the requisite number of paper rolls for the intermediate sheets are transferred to a joining machine in which the sheets in said rolls are joined together and cut into lengths corresponding to the length of the intended form set.
  • the papers are also here bound together to form a form set.
  • Such manufacturing processes normally use as their starting point paper which is coated in the paper mill or like establishment and which is delivered in rolls where widths are a number of times greater than the width of the intended form set.
  • DE-A-2 709 767 a method is disclosed where one and the same paper web is coated on both sides. Thereafter the web is provided with print and the web is subsequently divided into two or more narrow paper webs prior to combining the narrower webs to an item of printed matter.
  • DE-A-2 709 767 does not disclose a method where one and same paper web is coated with different coatings in different width sections of the paper web.
  • the present invention relates to a method which is much simpler to perform than known methods for producing self-copying form sets or the like comprising sheets with a CF-layer only, sheets with a CB-layer only and intermediate sheets coated on one side with a CF-layer and coated on the other side with a CB-layer.
  • the invention also relates to a paper whose manufacture is incorporated in the method according to the invention.
  • the present invention relates to a method for producing self-copying printed matter comprising at least two sheets combined to form a so-called form set or the like, said sheets being coated with a copying layer and said printed matter being produced by causing paper webs which are coated with copying layer and provided with print to lie one upon the other in an intended order of sequence in a form set or the like, whereafter the paper webs are partially joined together and cut to a length corresponding to the length of a form set, where said paper webs are produced by coating a wide paper web having a width corresponding to the combined widths of the sheets present in at least one item of printed matter with said layer and where a thus coated paper web prior to said combination to form an item of printed matter is divided into two or more longitudinally extending narrow paper webs, each of said web sections having a width corresponding to the width of a finished item of printed matter, the method being characterized in that said wide paper web is coated in web sections of mutually equal width parallel with the paper web, which web sections correspond to said paper webs in
  • the invention also relates to a coated paper for producing self-copying printed matter comprising at least two sheets, which sheets are coated with a copying layer, which paper consists of a wide paper web having a width corresponding to the total widths of the sheets forming part of at least one item of printed matter, said coated paper being characterized in that the paper web is coated in web sections of mutually equal length parallel with the paper web, each of the web sections having a width corresponding to the width of a finished item of printed matter, in such a manner that a web section intended for use as the uppermost sheet in an item of printed matter is coated on its undersurface with a copying layer of a first type known per se, namely a so-called coated back layer (CB-layer); in that a web section intended for use as the lowermost sheet in an item of printed matter is coated on its upper side with a coating layer of the second type known per se, namely a so-called coated front layer (CF-layer); and in that a web section or sections intended for use as an intermediate sheet or
  • Fig. 1 illustrates very schematically an apparatus for producing paper according to the invention. Manufacture of the paper is incorporated in the method according to the invention for producing self-copying printed matter.
  • the self-copying printed matter referred to primarily concerns form sets comprising at least two sheets which have been coated with a copying layer.
  • the reference 1 identifies a first roll of wide paper which forms a wide paper web 2 extending through a coating apparatus generally referenced 3 in Fig. 1.
  • the reference 4 identifies a second roll of paper coated with a copying layer.
  • Fig. 2 illustrates very schematically an apparatus in which an item of printed matter is produced with the coated paper according to the invention as its starting point.
  • the references 5,6 and 7 identify printing stations in which the paper web 2 is supplied with print such as printed text, borders etc., in one or more colours.
  • the reference 8 identifies means for dividing the paper web 2 into various narrow paper webs 9, 10, 11, 12.
  • a device for combining the web sections 9-12 is constructed in a known manner so that several paper webs 9-12 will lie one upon the other in the order intended, whereafter the paper webs are partially connected together in a device 14 and cut to a length corresponding to the length, in the feed direction, of a form set 13 by means of shears 15.
  • the narrow, coated paper webs 9-12 are produced by coating a wide paper web 2, having a width corresponding to the total widths of the sheets forming part of at least one item of printed matter, in web sections 16, 17, 18, 19 of mutually equal width parallel with the paper web 2, each of the sections having a width corresponding to the width of a finished item of printed matter 13.
  • Respective web sections are coated with a copying layer on one side of the paper web 2, on the other side thereof or on both sides 20, 21 thereof, depending on whether respective web sections 16-19 are intended to form the uppermost sheet, the lowermost sheet or the intermediate sheets of a finished item of printed matter 13.
  • the paper web 2 is coated with two types of copying layer.
  • the first type is a so-called coated back- layer (CB-layer) and the second type is a so-called coated front-layer (CF-layer).
  • CB-layer and CF-layer are of the kind mentioned in the introduction.
  • the aforesaid web sections 16-19 are coated so that the web section 16 intended to form the top sheet of an item of printed matter is coated on its under surface with a CB-layer, that a web section 19 intended to form the bottom sheet is coated with a CF-layer on its upper surface, and that the web sections 17, 18 intended to form intermediate sheets are coated on their respective upper surfaces with a CF-layer and on their respective undersurfaces with a CB-layer.
  • the coated paper 4 comprises a wide paper web 2 which is coated with copying layers in longitudinally extending web sections 16-19 in dependence on where respective web sections are to be placed in an item of printed matter.
  • the wide paper web 2 has a width which is equal to the total width of the sheets forming part of solely one item of printed matter, where the web section 16 along one side edge of the paper web 2 is only coated on one side, where the web section 19 along the other side edge of the paper web 2 is solely coated on the other side, and where the part of the paper web 17, 18 located between the web sections 16,19 situated along the side edges is coated on both sides.
  • a coating apparatus of the kind illustrated in Fig. 1 normally has a capacity which is much greater, for example three times greater, than the capacity of a printing press, which is illustrated schematically in Fig. 2. For this reason it is therefore suitable to roll-up the coated paper 4, and to transfer such a roll of paper to a printing press for finally producing printed matter. In this way, a coating apparatus can be used to coat paper while, for example, three printing presses can be used to finally prepare the items of printed matter.
  • the coating apparatus may be incorporated with the printing press, the paper web 2 remaining unbroken through the plant.
  • the paper web 2 is divided longitudinally, in accordance with the invention, into two or more narrow paper webs 9, 10, 11, 12, where each of said narrow paper webs 9-12 corresponds to a web section 16-19.
  • the narrow paper webs 9-12 are brought together, fastened to one another and cut, therewith to provide a finished intended item of printed matter.
  • the present invention eliminates the disadvantages mentioned in the introduction.
  • the invention enables self-copying printed matter to be produced in a highly rational manner.
  • the method avoids the necessity of starting with wide paper webs 5 having a given coating and requiring to be printed upon, divided into longitudinal sections and rolled onto an equal number of rolls as there are sections and to then mount a number of different such rolls in a machine for combining various sections to form an item of printed matter.
  • One further important advantage is that subsequent to having coated a given length of the paper 1 in a given manner, the coating apparatus can be re-set to coat the paper in a different manner. This also contributes to the possibility of producing relatively small editions of self-copying paper at reasonable costs.
  • the invention can, of course, be applied in the manufacture of any type of printed matter which includes sheets coated in various ways.

Landscapes

  • Collation Of Sheets And Webs (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Printing Methods (AREA)
  • Replacement Of Web Rolls (AREA)
  • Paper (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Color Printing (AREA)
EP84904204A 1983-11-04 1984-11-01 A method and a paper for producing self-copying printed matter Expired EP0163686B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8306064A SE458435B (sv) 1983-11-04 1983-11-04 Foerfarande, jaemte ett papper, foer framstaellning av ett sjaelvkopierande tryckalster
SE8306064 1983-11-04

Publications (2)

Publication Number Publication Date
EP0163686A1 EP0163686A1 (en) 1985-12-11
EP0163686B1 true EP0163686B1 (en) 1988-08-24

Family

ID=20353180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84904204A Expired EP0163686B1 (en) 1983-11-04 1984-11-01 A method and a paper for producing self-copying printed matter

Country Status (7)

Country Link
EP (1) EP0163686B1 (da)
DE (1) DE3473583D1 (da)
DK (1) DK159490C (da)
FI (1) FI81304C (da)
NO (1) NO852669L (da)
SE (1) SE458435B (da)
WO (1) WO1985001916A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478279A (en) * 1992-04-24 1995-12-26 General Credit Forms, Inc. Multiple ply paper roll
US5383817A (en) * 1992-04-24 1995-01-24 General Credit Forms, Incorporated Multiple ply paper roll

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE816546C (de) * 1949-12-28 1951-10-11 Goebel A G Karbon-Druckwerk fuer Durchschreibe-Formulare
US4062567A (en) * 1974-05-03 1977-12-13 Moore Business Forms, Inc. Dual system carbonless paper
DE2443801A1 (de) * 1974-09-13 1976-04-01 Drescher Datendrucke Verfahren und vorrichtung zur herstellung von selbstdurchschreibendem papier
FI58177C (fi) * 1976-03-12 1980-12-10 Waertsilae Oy Ab Foerfarande foer framstaellning av en kopierande pappersprodukt med flera lager
US4126334A (en) * 1977-07-25 1978-11-21 Moore Business Forms, Inc. Stubless multi-ply assembly

Also Published As

Publication number Publication date
EP0163686A1 (en) 1985-12-11
FI81304B (fi) 1990-06-29
WO1985001916A1 (en) 1985-05-09
FI81304C (fi) 1990-10-10
SE458435B (sv) 1989-04-03
DK304385D0 (da) 1985-07-03
FI852636L (fi) 1985-07-03
SE8306064L (sv) 1985-05-05
DK304385A (da) 1985-07-03
DE3473583D1 (en) 1988-09-29
NO852669L (no) 1985-07-03
FI852636A0 (fi) 1985-07-03
SE8306064D0 (sv) 1983-11-04
DK159490C (da) 1991-04-08
DK159490B (da) 1990-10-22

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