GB1214329A - Methods of overcoating permanent markings with removable markings and articles produced thereby - Google Patents

Methods of overcoating permanent markings with removable markings and articles produced thereby

Info

Publication number
GB1214329A
GB1214329A GB5801767A GB5801767A GB1214329A GB 1214329 A GB1214329 A GB 1214329A GB 5801767 A GB5801767 A GB 5801767A GB 5801767 A GB5801767 A GB 5801767A GB 1214329 A GB1214329 A GB 1214329A
Authority
GB
United Kingdom
Prior art keywords
markings
sheet
removable
overcoating
methods
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
GB5801767A
Other languages
English (en)
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.)
Xerox Ltd
Original Assignee
Rank Xerox Ltd
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 Rank Xerox Ltd filed Critical Rank Xerox Ltd
Publication of GB1214329A publication Critical patent/GB1214329A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/22—Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B3/00—Manually or mechanically operated teaching appliances working with questions and answers
    • G09B3/06—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made
    • G09B3/08—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made of chart form
    • G09B3/085—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made of chart form with invisibly printed correct answer; the answer being rendered visible by special optical means, e.g. filters; mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Printing Methods (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
GB5801767A 1966-12-27 1967-12-21 Methods of overcoating permanent markings with removable markings and articles produced thereby Expired GB1214329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60474966A 1966-12-27 1966-12-27

Publications (1)

Publication Number Publication Date
GB1214329A true GB1214329A (en) 1970-12-02

Family

ID=24420871

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5801767A Expired GB1214329A (en) 1966-12-27 1967-12-21 Methods of overcoating permanent markings with removable markings and articles produced thereby

Country Status (7)

Country Link
JP (1) JPS5236012B1 (enrdf_load_stackoverflow)
BE (1) BE708496A (enrdf_load_stackoverflow)
DE (1) DE1572939A1 (enrdf_load_stackoverflow)
FR (1) FR1548188A (enrdf_load_stackoverflow)
GB (1) GB1214329A (enrdf_load_stackoverflow)
NL (1) NL6717552A (enrdf_load_stackoverflow)
SE (1) SE344127B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656713A1 (fr) * 1990-01-03 1991-07-05 Miehe Roger Dispositif pour l'indication de donnees.
EP1862325A1 (en) * 2006-05-31 2007-12-05 Xerox Corporation Scratch-off document and method for producing same
US8342576B2 (en) 2010-02-09 2013-01-01 Xerox Corporation Method and system of printing a scratch-off document
US20140315128A1 (en) * 2013-04-19 2014-10-23 Dinesh Tyagi Method for creating a scratch-off document

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1536582A (en) * 1975-01-31 1978-12-20 Shade Inc Method of reusing substrate for image presentation
GB0800716D0 (en) * 2008-01-16 2008-02-20 Drinkwater Kenneth J Novel diffusers, novel methods of manufacture, and novel gas and light barrier structures and applications

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656713A1 (fr) * 1990-01-03 1991-07-05 Miehe Roger Dispositif pour l'indication de donnees.
EP1862325A1 (en) * 2006-05-31 2007-12-05 Xerox Corporation Scratch-off document and method for producing same
US8342576B2 (en) 2010-02-09 2013-01-01 Xerox Corporation Method and system of printing a scratch-off document
US20140315128A1 (en) * 2013-04-19 2014-10-23 Dinesh Tyagi Method for creating a scratch-off document
US8883390B1 (en) * 2013-04-19 2014-11-11 Eastman Kodak Company Method for creating a scratch-off document

Also Published As

Publication number Publication date
FR1548188A (enrdf_load_stackoverflow) 1968-11-29
BE708496A (enrdf_load_stackoverflow) 1968-06-24
SE344127B (enrdf_load_stackoverflow) 1972-03-27
NL6717552A (enrdf_load_stackoverflow) 1968-06-28
DE1572939A1 (de) 1970-03-26
JPS5236012B1 (enrdf_load_stackoverflow) 1977-09-13

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees