CA2233801A1 - Linerless labels and method of making same - Google Patents
Linerless labels and method of making same Download PDFInfo
- Publication number
- CA2233801A1 CA2233801A1 CA 2233801 CA2233801A CA2233801A1 CA 2233801 A1 CA2233801 A1 CA 2233801A1 CA 2233801 CA2233801 CA 2233801 CA 2233801 A CA2233801 A CA 2233801A CA 2233801 A1 CA2233801 A1 CA 2233801A1
- Authority
- CA
- Canada
- Prior art keywords
- web
- roll
- coating
- underside
- face side
- 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.)
- Abandoned
Links
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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Making Paper Articles (AREA)
Abstract
There are disclosed linerless label webs and a method of making linerless labels. A linerless label web has a face side and an underside.
The web has lateral perforations with cut edges and with through openings at at least some of the perforations. There is a coating of pressure sensitive adhesive on the underside of the web. A release coating on the face side of the web preferably coats the entire face side including fibers at the cut edges. The web is slit lengthwise into narrow label webs which are wound into rolls.
The web has lateral perforations with cut edges and with through openings at at least some of the perforations. There is a coating of pressure sensitive adhesive on the underside of the web. A release coating on the face side of the web preferably coats the entire face side including fibers at the cut edges. The web is slit lengthwise into narrow label webs which are wound into rolls.
Description
Docket M - 5 91 I,INERLESS LABELS AND METE~OD OF MAKTNG SAME
Back~round of the Invention Field of the Invention This invention relates to linerless labels, and to methods of making linerless labels.
Brief Description of the Prior Art In a prior art method of making linerless labels a longitudinally e~tending label web was perforated at longitudinally spaced transverse lines to provide lines of perforations. The underside of the label web was printed with registration marks. The underside was thereafter coated with pressure sensitive adhesive. Thereafter, a release coating such as silicone was applied to the face side of the label web. During the manufacturing process especially when the label web was under tension, the holes formed by the perforations would open up and the adhesive would migrate from the underside through the holes and would adhere to :Docket M-591 the cut edges at the perforations. Following silicone coating, the label web was slit into narrow label webs which were then wound into rolls.
When the label web was subsequently unwound from the roll, the adhesive that migrated into the holes caused the web to unwind unevenly, in a jerky manner, which affected print quality when the web was printed.
SUMMARY OF THE INVENTION
It is a feature of the invention to provide an improved linerless label web and an improved method of making a linerless label web.
In accordance with a specific embodiment of a linerless label web of the invention, there is provided a longitudinally extending web of label material having a face side and an underside. There are longitudinally spaced laterally or transversely extending lines of perforations across the web, and the perforations have cut edges and through-openings at at least some of the perforations. There is a coating of pressure sensitive adhesive on the underside of the web. A release coating on the face side of the web preferably coats the entire face side including the fibers at the cut edges. After slitting the web into narrow webs, the narrow webs are wound into rolls. As the web is subsequently being used from the roll, typically in a printer, the convolutions of the web are paid out from the roll. The adhesive on the underside of one convolution adheres releasably to the release coating on the underlying convolution. Because the cut edges of the web were coated with the release coating and the adhesive was applied to the web after the perforations were made, release of the web from the roll is enhanced.
Brief Description of the Drawin~s FIGURE l is a side elevational view of a linerless label web in roll form in accordance with the invention;
I)ocket M - 5 91 FIGUR:E 2 is a diagrammatic side elevational view illustrating a method according to the invention;
FIGURE 3 is a top plan view of the label web along line 3--3 of FIGURE 2;
FIGURE 4 is a bottom plan view of the portion of the web shown in F IGURE 3;
FIGURE 5 is a sectional view taken along 5--5 of FIGURE 2; and FIGURE 6 is a sectional view taken generally along line 6--6 of I1 IGURE 2.
Detailed Description of the Preferred Embodiment With reference to the drawings, there is shown a roll R of a wound-up web W of linerless labels L. As shown, the web W has wraps or convolutions 9, one upon the other. The web W extends longitudinally as shown in FIGURES 3 and 4 for example and has a face side 10 and an underside 11. There are longitudinally spaced laterally extending lines of weakening caused by perforations 12 across the web. The perforations 12 are preferably made by spaced knife cuts 13 separated by uncut portions or lands 14. Thus, a label L can be manually torn from the remainder of the web W. There is a coating of pressure sensitive adhesive 15 on the underside 11 of the web W. The adhesive 15 is preferably in a uniform coating, however, the coating l l can alternatively be of the patterned type. There is a release coating C, typically a silicone coating, on the face side 10 of the web W. There are registration marks 16 printed directly on the underside of the web W.
The marks 16 are disposed between the web W and the adhesive 15. The adhesive 15 is preferably transparent or at least translucent.
With reference to FIGURE 2, there is shown diagrammatically a method by which the linerless web roll R of the invention is made. A
wide web W' of label material is fed between a printing roll 17 and a I)ocket M-591 back-up roll 18. The printing roll 17 prints the registration marks 16 on the underside 11 of the web W' in a longitudinal and transverse pattern.
From there, the web W' passes between a perforating roll 19 and a back-up roll 20. The roll 19 makes the transverse lines of weakening, specifically perforations, across the web W'. From there the web W' passes between a release coating roll 21 and a back-up roll 22. The release coating roll 21 applies the release coating C to the face side 10 of the web W'. From there, the web W' passes between an adhesive coating roll 23 and a back-up roll 24. The adhesive 15 is thus applied to the underside 11 of the web W', however, if desired the adhesive 15 can be applied over the release coating C. From there, the web W' is slit into narrow label webs W as the web W' passes between a slitting roll 25 and a back-up roll 26. From there the narrow webs W are wound into the rolls R.
It is seen in FIGURE 5 that the perforating roll 19 makes spaced apart cuts 13 in the web W'. In a typical production environment, the depths and widths of the cuts can vary substantially. When the perforations are being cut, as by the perforating roll 19, some of the cuts 13 may be completely through the web W to provide openings 10'. Other cuts 13 may terminate short of the underside 11 and provide to a heavy score, and even in this event the cuts 13 may open up to provide openings 10' later in the production process due to web tension. In all such cases, there are exposed uncoated fibers at the cut edges. In the present invention, the release coating C covers the cut edges 27 and 28.
Adhesive "cold flow" can occur when the web W has been wound into roll R. Such cold flow causes the adhesive 15 to flow into the cuts 13 including openings 10'. Because the cut edges 27 and 28 have been coated with the release coating, the adhesive 15 on the underside of one convolution of the web W releases more easily and smoothly from the -I)ocket M-591 cut edges of the underlying convolutions during unwinding of the roll R.
This is conducive to the web W unwinding smoothly from the roll R
during any subsequent processing and/or printing. A typical printer for printing on the face side 10 of the web W is disclosed in U.S. patent 5,486,259, assigned to Monarch Marking Systems, Inc. By applying the release coating C before the adhesive 15 is applied as depicted in FIGURE 2, the adhesive 15 can only releasably adhere to the coated cut edges 27 and 28.
Other embodiments and modifications of the invention will suggest themselves to those skilled in the art, and all such of these as come within the spirit of this invention are included within its scope as best defined by the appended claims.
Back~round of the Invention Field of the Invention This invention relates to linerless labels, and to methods of making linerless labels.
Brief Description of the Prior Art In a prior art method of making linerless labels a longitudinally e~tending label web was perforated at longitudinally spaced transverse lines to provide lines of perforations. The underside of the label web was printed with registration marks. The underside was thereafter coated with pressure sensitive adhesive. Thereafter, a release coating such as silicone was applied to the face side of the label web. During the manufacturing process especially when the label web was under tension, the holes formed by the perforations would open up and the adhesive would migrate from the underside through the holes and would adhere to :Docket M-591 the cut edges at the perforations. Following silicone coating, the label web was slit into narrow label webs which were then wound into rolls.
When the label web was subsequently unwound from the roll, the adhesive that migrated into the holes caused the web to unwind unevenly, in a jerky manner, which affected print quality when the web was printed.
SUMMARY OF THE INVENTION
It is a feature of the invention to provide an improved linerless label web and an improved method of making a linerless label web.
In accordance with a specific embodiment of a linerless label web of the invention, there is provided a longitudinally extending web of label material having a face side and an underside. There are longitudinally spaced laterally or transversely extending lines of perforations across the web, and the perforations have cut edges and through-openings at at least some of the perforations. There is a coating of pressure sensitive adhesive on the underside of the web. A release coating on the face side of the web preferably coats the entire face side including the fibers at the cut edges. After slitting the web into narrow webs, the narrow webs are wound into rolls. As the web is subsequently being used from the roll, typically in a printer, the convolutions of the web are paid out from the roll. The adhesive on the underside of one convolution adheres releasably to the release coating on the underlying convolution. Because the cut edges of the web were coated with the release coating and the adhesive was applied to the web after the perforations were made, release of the web from the roll is enhanced.
Brief Description of the Drawin~s FIGURE l is a side elevational view of a linerless label web in roll form in accordance with the invention;
I)ocket M - 5 91 FIGUR:E 2 is a diagrammatic side elevational view illustrating a method according to the invention;
FIGURE 3 is a top plan view of the label web along line 3--3 of FIGURE 2;
FIGURE 4 is a bottom plan view of the portion of the web shown in F IGURE 3;
FIGURE 5 is a sectional view taken along 5--5 of FIGURE 2; and FIGURE 6 is a sectional view taken generally along line 6--6 of I1 IGURE 2.
Detailed Description of the Preferred Embodiment With reference to the drawings, there is shown a roll R of a wound-up web W of linerless labels L. As shown, the web W has wraps or convolutions 9, one upon the other. The web W extends longitudinally as shown in FIGURES 3 and 4 for example and has a face side 10 and an underside 11. There are longitudinally spaced laterally extending lines of weakening caused by perforations 12 across the web. The perforations 12 are preferably made by spaced knife cuts 13 separated by uncut portions or lands 14. Thus, a label L can be manually torn from the remainder of the web W. There is a coating of pressure sensitive adhesive 15 on the underside 11 of the web W. The adhesive 15 is preferably in a uniform coating, however, the coating l l can alternatively be of the patterned type. There is a release coating C, typically a silicone coating, on the face side 10 of the web W. There are registration marks 16 printed directly on the underside of the web W.
The marks 16 are disposed between the web W and the adhesive 15. The adhesive 15 is preferably transparent or at least translucent.
With reference to FIGURE 2, there is shown diagrammatically a method by which the linerless web roll R of the invention is made. A
wide web W' of label material is fed between a printing roll 17 and a I)ocket M-591 back-up roll 18. The printing roll 17 prints the registration marks 16 on the underside 11 of the web W' in a longitudinal and transverse pattern.
From there, the web W' passes between a perforating roll 19 and a back-up roll 20. The roll 19 makes the transverse lines of weakening, specifically perforations, across the web W'. From there the web W' passes between a release coating roll 21 and a back-up roll 22. The release coating roll 21 applies the release coating C to the face side 10 of the web W'. From there, the web W' passes between an adhesive coating roll 23 and a back-up roll 24. The adhesive 15 is thus applied to the underside 11 of the web W', however, if desired the adhesive 15 can be applied over the release coating C. From there, the web W' is slit into narrow label webs W as the web W' passes between a slitting roll 25 and a back-up roll 26. From there the narrow webs W are wound into the rolls R.
It is seen in FIGURE 5 that the perforating roll 19 makes spaced apart cuts 13 in the web W'. In a typical production environment, the depths and widths of the cuts can vary substantially. When the perforations are being cut, as by the perforating roll 19, some of the cuts 13 may be completely through the web W to provide openings 10'. Other cuts 13 may terminate short of the underside 11 and provide to a heavy score, and even in this event the cuts 13 may open up to provide openings 10' later in the production process due to web tension. In all such cases, there are exposed uncoated fibers at the cut edges. In the present invention, the release coating C covers the cut edges 27 and 28.
Adhesive "cold flow" can occur when the web W has been wound into roll R. Such cold flow causes the adhesive 15 to flow into the cuts 13 including openings 10'. Because the cut edges 27 and 28 have been coated with the release coating, the adhesive 15 on the underside of one convolution of the web W releases more easily and smoothly from the -I)ocket M-591 cut edges of the underlying convolutions during unwinding of the roll R.
This is conducive to the web W unwinding smoothly from the roll R
during any subsequent processing and/or printing. A typical printer for printing on the face side 10 of the web W is disclosed in U.S. patent 5,486,259, assigned to Monarch Marking Systems, Inc. By applying the release coating C before the adhesive 15 is applied as depicted in FIGURE 2, the adhesive 15 can only releasably adhere to the coated cut edges 27 and 28.
Other embodiments and modifications of the invention will suggest themselves to those skilled in the art, and all such of these as come within the spirit of this invention are included within its scope as best defined by the appended claims.
Claims (2)
1. Method of making a roll of linerless labels, comprising the steps of: providing a longitudinally extending web of label material having a face side and an underside, perforating the web along longitudinally spaced laterally extending lines across the web, wherein the perforating step results in exposed cut edges and in through-openings at at least some of the perforations, thereafter coating the face side of the web including the exposed cut edges with a release coating, thereafter coating the underside of the web with pressure sensitive adhesive, thereafter winding the web into a roll having convolutions, and wherein the adhesive on the underside of one convolution adheres releasably to the release coating on the underlying convolution.
2. A roll of linerless labels, comprising: a longitudinally extending web of label material having a face side and an underside, longitudinally spaced laterally extending lines of perforations across the web, wherein the perforations provide cut edges and through-openings at at least some of the lines of perforations, a coating of pressure sensitive adhesive on the underside of the web, a release coating on the face side of the web and coating the cut edges, the web having been wound into a roll having convolutions, and wherein the coating on the cut edges enhances the release of one convolution from the underlying convolution when the roll is being unwound.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85159197A | 1997-05-05 | 1997-05-05 | |
| US08/851,591 | 1997-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2233801A1 true CA2233801A1 (en) | 1998-11-05 |
Family
ID=25311156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2233801 Abandoned CA2233801A1 (en) | 1997-05-05 | 1998-04-30 | Linerless labels and method of making same |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0876909A1 (en) |
| CA (1) | CA2233801A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015192193A1 (en) * | 2014-11-05 | 2015-12-23 | Giuseppe Jeffrey Arippol | Method for obtaining self-adhesive booklet-label tape, without backing and protection tape |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69426453T2 (en) * | 1993-08-31 | 2001-06-07 | Minnesota Mining And Mfg. Co., Saint Paul | PERFORATED ROLE OF A UNWOVEN SURGICAL TAPE |
| US5981013A (en) * | 1994-10-06 | 1999-11-09 | Moore Business Forms, Inc. | Perforating blade/label perforating |
| US5580012A (en) * | 1995-03-17 | 1996-12-03 | Moore Business Forms, Inc. | Shingled linerless label rolls |
| US5536546A (en) * | 1995-05-05 | 1996-07-16 | Moore Business Forms, Inc. | Linerless labels with extended cuts in cross-perforations |
| CA2219534A1 (en) * | 1995-06-07 | 1996-12-19 | Steve J. Pistro | Method of printing on linerless labels |
| US5926197A (en) * | 1996-01-05 | 1999-07-20 | Monarch Marking Systems, Inc. | Linerless label web, method of making same and method of cleaning and using a print head |
-
1998
- 1998-04-29 EP EP98107873A patent/EP0876909A1/en not_active Withdrawn
- 1998-04-30 CA CA 2233801 patent/CA2233801A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015192193A1 (en) * | 2014-11-05 | 2015-12-23 | Giuseppe Jeffrey Arippol | Method for obtaining self-adhesive booklet-label tape, without backing and protection tape |
| US10071570B2 (en) | 2014-11-05 | 2018-09-11 | Giuseppe Jeffrey Arippol | Method for obtaining self-adhesive booklet-label tape, without backing and protection tape |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0876909A1 (en) | 1998-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |