GB2178392A - Method and apparatus for continuously producing self-adhesive photographic prints - Google Patents

Method and apparatus for continuously producing self-adhesive photographic prints Download PDF

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Publication number
GB2178392A
GB2178392A GB08518981A GB8518981A GB2178392A GB 2178392 A GB2178392 A GB 2178392A GB 08518981 A GB08518981 A GB 08518981A GB 8518981 A GB8518981 A GB 8518981A GB 2178392 A GB2178392 A GB 2178392A
Authority
GB
United Kingdom
Prior art keywords
laminate
drive means
registration
print
cutting region
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.)
Withdrawn
Application number
GB08518981A
Other versions
GB8518981D0 (en
Inventor
Graham Nursey
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.)
S & M
Original Assignee
S & M
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 S & M filed Critical S & M
Priority to GB08518981A priority Critical patent/GB2178392A/en
Publication of GB8518981D0 publication Critical patent/GB8518981D0/en
Priority to FR8617896A priority patent/FR2608794A1/en
Publication of GB2178392A publication Critical patent/GB2178392A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/02—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
    • B31D1/021—Making adhesive labels having a multilayered structure, e.g. provided on carrier webs

Landscapes

  • Collation Of Sheets And Webs (AREA)

Abstract

Self-adhesive photographic prints on a peelable backing sheet are produced by [a] providing a laminated web comprising print medium, adhesive and backing sheet, [b] feeding laminate 1 by first drive means 5 to print registration/cutting region wherein second drive means 9 controlled by registration means 6,7 advances the laminate 1 through cutter 8 where each printed image is cut round without cutting the backing sheet, and [c] feeding the laminate from the print registration/cutting region by third drive means, the rates of feed of the first and third drive means being controlled to ensure that in the print registration and cutting region the laminate is isolated from longitudinal stress by maintaining an interjacent open loop of slack 13 in the laminate 1 between the second drive means 9 and each other drive means 5, 10. <IMAGE>

Description

SPECIFICATION Method and apparatus for continuously producing self-adhesive photographic prints The present invention relates to a method for continously producing self-adhesive photographic prints which can be peeled off individually from a backing sheet, and also to apparatus for carrying out the method.
If an automated print cutter is used, it is necessary to accurately control the registration of the cutter relative to printed images so as to ensure that parts of images which are required are not cut away. Previously it has been difficult to achieve reliable registration over the period of an operating run.
The present invention provides a method for continuously producing self-adhesive photographic prints which can be peeled off individually from a backing sheet, which comprises; [a] providing a laminated elongate band of print medium and adhesively applied strippable backing sheet, [b] positively feeding the laminate by first drive means towards a print registration and cutting region wherein second drive means controlled by registration means advances the laminate through a print cutter which at each cutting operation cuts around a printed image without cutting the backing sheet, and [c] positively feeding the laminate away from the print registration and cutting region by third drive means, the rates of feed of the first and third drive means being controlled to ensure that in the print registration and cutting region the laminate is isolated from longitudinal stress caused by the first and third drive means.
Preferably the laminate in the registration and cutting region is isolated from longitudinal stress by maintaining an interjacent open loop of slack in the laminate between the second drive means and each other drive means. The feed rate may be controlled by monitoring (e.g. photoelectrically) the amount of slack in a loop.
Registration of the print medium may be achieved by means of holes punched longitudinally of the print medium, or preferably by means of a sensor such as a photoelectric device which detects registration marks printed on the medium.
The method and apparatus according to the invention are illustrated below, by way of example only, with reference to the drawing in which: Figure 1 is a schematic representation of apparatus for carrying out the method of the invention.
As shown in Figure 1, a laminate 1 is continuously formed by applying to a photographically printed band 2 a strippable backing sheet 3 having thereon an adhesive layer. The band and backing sheet are supplied in roll form and are positively fed through the laminating zone 4 between the rollers of first drive means 5. The laminate 1 is fed into an open loop of slack 13.
The laminate 1 is drawn out of the loop 13 and advanced through a print registration and cutting region by means of second drive means 9. For registration the laminate 1 advances through a guide 6 and past a photoelectric device 7 which detects registration marks printed on the laminate. A print cutter 8 cuts around each printed image without cutting the backing sheet. In this example drive means 9 comprises a stepper motor controlled by the photoelectric device 7.
The cut laminate emerging from the print registration and cutting region forms a second open loop 13 from which slack is fed away by means of the rollers of third drive means 10. Surplus print medium 11 is removed from the laminate in a continuous strip and the resulting continuous backing sheet with attached self-adhesive prints 12 is collected.
In the example of Figure 1 the feed rates of the first and third drive means are controlled by photoelectrically monitoring the amount of slack in the respective loops. The first drive means 5 feeds slack into the first loop 13 until the loop interrupts the beam of photoelectric device 14; as laminate 1 is advanced through the print registration and cutting region the size of the loop 13 is reduced and when the beam is no longer interrupted more laminate is fed towards the print registration and cutting region thereby increasing the loop size. Similarly, the third drive means 10 feeds cut laminate out of the second loop 13 until such time as the loop ceases to interrupt the beam of a second photoelectric device 14.The presence of the loops 13 ensures that the laminate in the registration and cutting region is isolated from longitudinal stress which could otherwise be caused by the operation of the drive means 5, 10.
By maintaining a loop of slack in the laminate at each end of the print registration and cutting region the method according to the invention is effectively carried out in three separate stages. The apparatus for carrying out the invention comprises three essentially isolated parts, i.e. a part feeding in laminate, a part advancing laminate through a print registration and cutting region and a part feeding out cut laminate.
1. A method for continuously producing selfadhesive photographic prints which can be peeled off individually from a backing sheet, which comprises; [a] providing a laminated elongate band of printed medium and adhesively applied strippable backing sheet, [b] positively feeding the laminate by first drive means towards a print registration and cutting region wherein second drive means controlled by registration means advances the laminate through a print cutter which at each cutting operation cuts around a printed image without cutting the backing sheet, and [c] positively feeding the laminate away from the print registration and cutting region by third drive means, the rates of feed of the first and third drive means being controlled to ensure that in the print registration and cutting region the laminate is isolated from longitudinal stress caused by the first and third drive means.
2. A method according to claim 1 wherein the laminate in the registration and cutting region is
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (7)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Method and apparatus for continuously producing self-adhesive photographic prints The present invention relates to a method for continously producing self-adhesive photographic prints which can be peeled off individually from a backing sheet, and also to apparatus for carrying out the method. If an automated print cutter is used, it is necessary to accurately control the registration of the cutter relative to printed images so as to ensure that parts of images which are required are not cut away. Previously it has been difficult to achieve reliable registration over the period of an operating run. The present invention provides a method for continuously producing self-adhesive photographic prints which can be peeled off individually from a backing sheet, which comprises; [a] providing a laminated elongate band of print medium and adhesively applied strippable backing sheet, [b] positively feeding the laminate by first drive means towards a print registration and cutting region wherein second drive means controlled by registration means advances the laminate through a print cutter which at each cutting operation cuts around a printed image without cutting the backing sheet, and [c] positively feeding the laminate away from the print registration and cutting region by third drive means, the rates of feed of the first and third drive means being controlled to ensure that in the print registration and cutting region the laminate is isolated from longitudinal stress caused by the first and third drive means. Preferably the laminate in the registration and cutting region is isolated from longitudinal stress by maintaining an interjacent open loop of slack in the laminate between the second drive means and each other drive means. The feed rate may be controlled by monitoring (e.g. photoelectrically) the amount of slack in a loop. Registration of the print medium may be achieved by means of holes punched longitudinally of the print medium, or preferably by means of a sensor such as a photoelectric device which detects registration marks printed on the medium. The method and apparatus according to the invention are illustrated below, by way of example only, with reference to the drawing in which: Figure 1 is a schematic representation of apparatus for carrying out the method of the invention. As shown in Figure 1, a laminate 1 is continuously formed by applying to a photographically printed band 2 a strippable backing sheet 3 having thereon an adhesive layer. The band and backing sheet are supplied in roll form and are positively fed through the laminating zone 4 between the rollers of first drive means 5. The laminate 1 is fed into an open loop of slack 13. The laminate 1 is drawn out of the loop 13 and advanced through a print registration and cutting region by means of second drive means 9. For registration the laminate 1 advances through a guide 6 and past a photoelectric device 7 which detects registration marks printed on the laminate. A print cutter 8 cuts around each printed image without cutting the backing sheet. In this example drive means 9 comprises a stepper motor controlled by the photoelectric device 7. The cut laminate emerging from the print registration and cutting region forms a second open loop 13 from which slack is fed away by means of the rollers of third drive means 10. Surplus print medium 11 is removed from the laminate in a continuous strip and the resulting continuous backing sheet with attached self-adhesive prints 12 is collected. In the example of Figure 1 the feed rates of the first and third drive means are controlled by photoelectrically monitoring the amount of slack in the respective loops. The first drive means 5 feeds slack into the first loop 13 until the loop interrupts the beam of photoelectric device 14; as laminate 1 is advanced through the print registration and cutting region the size of the loop 13 is reduced and when the beam is no longer interrupted more laminate is fed towards the print registration and cutting region thereby increasing the loop size. Similarly, the third drive means 10 feeds cut laminate out of the second loop 13 until such time as the loop ceases to interrupt the beam of a second photoelectric device 14.The presence of the loops 13 ensures that the laminate in the registration and cutting region is isolated from longitudinal stress which could otherwise be caused by the operation of the drive means 5, 10. By maintaining a loop of slack in the laminate at each end of the print registration and cutting region the method according to the invention is effectively carried out in three separate stages. The apparatus for carrying out the invention comprises three essentially isolated parts, i.e. a part feeding in laminate, a part advancing laminate through a print registration and cutting region and a part feeding out cut laminate. CLAIMS
1. A method for continuously producing selfadhesive photographic prints which can be peeled off individually from a backing sheet, which comprises; [a] providing a laminated elongate band of printed medium and adhesively applied strippable backing sheet, [b] positively feeding the laminate by first drive means towards a print registration and cutting region wherein second drive means controlled by registration means advances the laminate through a print cutter which at each cutting operation cuts around a printed image without cutting the backing sheet, and [c] positively feeding the laminate away from the print registration and cutting region by third drive means, the rates of feed of the first and third drive means being controlled to ensure that in the print registration and cutting region the laminate is isolated from longitudinal stress caused by the first and third drive means.
2. A method according to claim 1 wherein the laminate in the registration and cutting region is isolated from longitudinal stress by maintaining aninterjacent open loop of slack in the laminate between the second drive means and each other drive means.
3. A method according to claim 2 wherein feed rate is controlled by monitoring the amount of slack in a loop.
4. A method according to any preceding claim wherein the laminate is continuously formed by applying to the back of the photographically printed band a layer of adhesive and a strippable backing sheet.
5. A method according to any preceding claim wherein, after the cutting operation, surplus printed medium is removed from the laminate in a continuous strip and the resulting continuous backing sheet with attached self-adhesive prints is collected.
6. Apparatus for carrying out the method of any preceding claim.
7. Apparatus for continuously producing selfadhesive photographic prints which is substantially as hereinbefore described with reference to Figure 1.
GB08518981A 1985-07-26 1985-07-26 Method and apparatus for continuously producing self-adhesive photographic prints Withdrawn GB2178392A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08518981A GB2178392A (en) 1985-07-26 1985-07-26 Method and apparatus for continuously producing self-adhesive photographic prints
FR8617896A FR2608794A1 (en) 1985-07-26 1986-12-19 METHOD AND APPARATUS FOR CONTINUOUS PRODUCTION OF SELF-ADHESIVE PHOTOGRAPHIC TESTS OR PRINTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08518981A GB2178392A (en) 1985-07-26 1985-07-26 Method and apparatus for continuously producing self-adhesive photographic prints

Publications (2)

Publication Number Publication Date
GB8518981D0 GB8518981D0 (en) 1985-09-04
GB2178392A true GB2178392A (en) 1987-02-11

Family

ID=10582944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08518981A Withdrawn GB2178392A (en) 1985-07-26 1985-07-26 Method and apparatus for continuously producing self-adhesive photographic prints

Country Status (2)

Country Link
FR (1) FR2608794A1 (en)
GB (1) GB2178392A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6860201B2 (en) * 2002-05-17 2005-03-01 Hewlett-Packard Development Company, L.P. Printing apparatus
EP4292950A3 (en) * 2020-07-22 2024-04-17 Bedford Industries, Inc. System and method for bag closure clip production

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1516984A (en) * 1974-08-13 1978-07-05 Wallis C Method and apparatus for producing adhesive labels
US4359358A (en) * 1980-03-17 1982-11-16 Graphic Resources, Inc. In-store coupon and methods
DE3122633C2 (en) * 1981-06-06 1986-04-10 Heinrich Hermann Gmbh + Co, 7000 Stuttgart Manufacturing process for a label tape and label tape

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6860201B2 (en) * 2002-05-17 2005-03-01 Hewlett-Packard Development Company, L.P. Printing apparatus
EP4292950A3 (en) * 2020-07-22 2024-04-17 Bedford Industries, Inc. System and method for bag closure clip production

Also Published As

Publication number Publication date
FR2608794A1 (en) 1988-06-24
GB8518981D0 (en) 1985-09-04

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)