(19) |
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(11) |
EP 0 416 862 A2 |
(12) |
EUROPEAN PATENT APPLICATION |
(43) |
Date of publication: |
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13.03.1991 Bulletin 1991/11 |
(22) |
Date of filing: 04.09.1990 |
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(51) |
International Patent Classification (IPC)5: B31D 1/02 |
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(84) |
Designated Contracting States: |
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AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
(30) |
Priority: |
04.09.1989 AU 6147/89
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(71) |
Applicant: Burke, Brian Kenneth |
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Frenchs Forest,
New South Wales 2086 (AU) |
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(72) |
Inventor: |
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- Burke, Brian Kenneth
Frenchs Forest,
New South Wales 2086 (AU)
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(74) |
Representative: Bannerman, David Gardner et al |
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Withers & Rogers
4 Dyer's Buildings
Holborn London, EC1N 2JT London, EC1N 2JT (GB) |
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(54) |
A method of manufacturing tags |
(57) A sheet (11) of plastics material to pass through a computer printer so that information
is applied to the sheet. The sheet (10) is provided with lines (11, 12) of weakness
to divide the sheet up into sub-sheets (13), with the sub-sheets (13) being adapted
to form tags. The lines of weakness (11, 12) are provided by fine perforations and
the plastics material is generally rigid.
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TECHNICAL FIELD
[0001] The present invention relates to a method of manufacturing tags.
BACKGROUND ART
[0002] Computer printers are increasingly using sheet-feed paper, rather than folded paper.
Identification tags for industrial or retail purposes cannot be fed through printers
employing a sheet-feed system.
[0003] It is also an advantage in instances to have a tag formed of a plastics material
instead of paper or paperboard. Known tags of plastics construction are individually
formed and therefore cannot be used in computer printers using a sheet-feed system.
OBJECT OF THE INVENTION
[0004] It is the object of the present invention to overcome or substantially ameliorate
the above disadvantages.
DISCLOSURE OF INVENTION
[0005] There is disclosed herein a sheet of plastics material to pass through a printer
so that information can be printed on the sheet, said sheet being perforated so as
to have at least one line of weakness so that the sheet can be divided into sub-sheets,
and wherein said plastics material is generally rigid and has a high melting point
and the perforations are fine perforations.
[0006] Preferably the plastics material has a thickness of 75-175 microns and is a pacified
polyester. In such instances, the plastics material would have a melting point of
approximately 245°C. The perforations should number more than 15 perforations per
centimeter and preferably approximately 20 perforations per centimeter. It is further
preferred that the perforations be elongated in the direction of the line of weakness.
BRIEF DESCRIPTION OF THE DRAWINGS
[0007] A preferred form of the present invention will now be described by way of example
with reference to the accompanying drawings, wherein:
Fig. 1 is a schematic plan view of a sheet of plastics material to be employed in
a computer printer; and
Fig. 2 is a schematic plan view of a portion of a plastic sheet, also to be employed
in a computer for a printer.
DESCRIPTION OF THE PREFERRED EMBODIMENT
[0008] In Fig. 1 of the accompanying drawings there is schematically depicted a sheet 10
of plastics material. The sheet 10 could be of a standard size typically used for
office stationery and dimensioned to pass through a computer printer. The sheet 10
is formed of plastics material and is preferably 75-175 microns thick. The sheet 10
is also formed of a pacified polyester and accordingly is generally rigid. The melting
point of this plastics material is approximately 245°C. Thus the sheet 10 is stable
at high temperatures as can be experienced by sheet material in photocopiers and printers.
[0009] The sheet 10 is provided with lines of weakness 11 and 12, with the lines 11 extending
transverse of the sheet 10 while the line 12 extends longitudinally of the sheet 10.
The lines 11 and 12 divide the sheet 10 up into a plurality of tags or sub-sheets
13. To form individual tags, the sheet 10 is torn along the lines 11 and 12 to separate
the tags 13. It has been found that by providing fine perforations and a relatively
stiff sheet 10, the tags 13 maintain their dimensions while being removed from the
sheet 10.
[0010] Preferably the perforations would number more than 15 per centimeter and preferably
about 20 per centimeter. Preferably each perforation is elongated in the direction
of extension of the line of weakness 11 or 12.
[0011] The tag 13 may be pre-punched so as to provide attachment holes 14, or the sheet
10 may be punched to have apertures 15 to provide the tags formed with a typical tag
shape. If so required further apertures 16 may be formed again to give the tag a typical
tag appearance.
[0012] In Fig. 2 there is schematically depicted a sheet 20 of plastics material as discussed
above. In this particular embodiment the sheet 20 is punched so as to have perforations
21 forming a tag 22. The tag 22 can be removed from the sheet 20 by tearing along
the perforations. The tag 22 can form a loop about an object by the leading portion
23 being inserted through an aperture 24.
1. A sheet (10) of plastics material to pass through a printer so that information
can be printed on the sheet, said sheet (10) being perforated so as to have at least
one line (11, 12) of weakness so that the sheet can be divided into sub-sheets (13),
and wherein said plastics material is generally rigid and has a high melting point
and the perforations are fine perforations.
2. The sheet (10) of claim 1, wherein said plastics material is 75 to 175 microns
thick.
3. The sheet (10) of claim 2, wherein said plastics material is a pactified polyester
having a melting point of approximately 245°C.
4. The sheet (10) of claim 1, wherein said perforations number more than 15 perforations
per centimetre.
5. The sheet (10) of claim 4, wherein said perforations number approximately 20 perforations
per centimetre.
6. The sheet (10) of claim 4 or 5, wherein said perforations are elongated in the
direction of the line (11, 12) of weakness.
7. The sheet (10) of claim 1, wherein the line (11, 12) of weakness follows a path
to define a tag (22) having an aperture (24) so that a portion (23) of the tag (22)
to be formed from the sheet (10) can form a loop by passing back through the aperture
(24).
8. A sheet of plastics material to pass through a printer, substantially as hereinbefore
described with reference to the accompanying drawings.
