EP2022722B1 - Labelling machine - Google Patents
Labelling machine Download PDFInfo
- Publication number
- EP2022722B1 EP2022722B1 EP08013726A EP08013726A EP2022722B1 EP 2022722 B1 EP2022722 B1 EP 2022722B1 EP 08013726 A EP08013726 A EP 08013726A EP 08013726 A EP08013726 A EP 08013726A EP 2022722 B1 EP2022722 B1 EP 2022722B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tape
- roll
- counterblade
- machine according
- printing
- 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 - Fee Related
Links
- 238000002372 labelling Methods 0.000 title description 14
- 230000000181 anti-adherent effect Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 239000002390 adhesive tape Substances 0.000 claims description 11
- 241000761557 Lamina Species 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000003911 antiadherent Substances 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000576 coating method Methods 0.000 description 4
- 239000003522 acrylic cement Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000013032 Hydrocarbon resin Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 229920006270 hydrocarbon resin Polymers 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/08—Label feeding
- B65C9/18—Label feeding from strips, e.g. from rolls
- B65C9/1803—Label feeding from strips, e.g. from rolls the labels being cut from a strip
- B65C9/1815—Label feeding from strips, e.g. from rolls the labels being cut from a strip and transferred by suction means
- B65C9/1826—Label feeding from strips, e.g. from rolls the labels being cut from a strip and transferred by suction means the suction means being a movable vacuum arm or pad
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/08—Label feeding
- B65C9/18—Label feeding from strips, e.g. from rolls
- B65C9/1803—Label feeding from strips, e.g. from rolls the labels being cut from a strip
- B65C2009/1834—Details of cutting means
- B65C2009/1857—Details of cutting means two co-acting knifes
- B65C2009/1861—Details of cutting means two co-acting knifes whereby one knife remains stationary
Definitions
- the present invention relates to a machine and to a process for printing and applying self-adhesive labels from adhesivized reels, in particular usable for identification systems to be applied to containers, in particular to boxes, parcels, packages, pallets.
- the invention relates to machines for applying labels in real time and also working on packages from different lines, the labels being of various sizes and content.
- Said labels are formed by an adhesivized substratum (paper, plastic film, etc.) applied on an antiadhesive support, usually siliconized, forming the label carrier and release. During the application the label is printed, removed from the support and applied.
- an adhesivized substratum paper, plastic film, etc.
- siliconized an antiadhesive support
- EP 1,447,333 in the name of the Applicant and corresponding to the preamble of claim 1, describes a machine for printing and applying labels on containers comprising a reel (1) of tape adhesivized on the internal side from which the labels are formed; a reel unwinding system; a printing group (3) for the adhesivized tape comprising a printing system wherein the contact between the printing head and the adhesive tape is obtained by a driving roll cyclically inverting the rotation direction; a cutting system (2) of the printed tape forming the label and a piston for applying it located adjacent to the printing group.
- the cutting system is formed by a blade (2a) and counterblade (2b).
- the former moves perpendicularly to the direction of the tape to be cut and with cutting edge forming an angle comprised between 2° and 45° with the tape.
- the cutting surfaces of the blade (2a) and counterblade (2b) are covered with antiadhesives.
- This machine runs without jamming for about one week if it is operated at a speed of 18-20 labels (strokes)/minute and with tapes having a width of 80-120 mm.
- the speed is increased for example up to 40 strokes/minute, this machine works satisfactorily only for about two days.
- the machine works satisfactorily for shorter times, of about three days.
- tapes having a width more than 120 up to 220 mm are used and contemporaneously the speed is increased, from 30 up to 70 strokes/minute, the machine works correctly for shorter times, for example of the order of two hours.
- An object of the present invention is a machine for printing and applying labels on containers, etc., comprising:
- the thickness of the lamina (16) can range from about 0.05 up to about 10 mm, preferably 0.1-2.5 mm, still more preferably 0.2-0.4 mm.
- the preferred thicknesses are suitable in particular used when tape (5) must be printed on the roll surface, also in the points where the lamina is inserted. Besides, it has been unexpectedly and surprisingly found by the Applicant that the more preferred thickness reduces the friction between tape (5) and lamina (16). In this way the adhesive release of tape (5) on the lamina (16) is decreased.
- a pipe (17) positioned longitudinally under the lamina (16) and perpendicular thereto, equipped with holes for the output of inert gases under pressure, is used. The pressure ranges from 1 bar up to 10 bar, preferably from 2 to 5 bar.
- suitable inert gases used nitrogen, air, helium can be mentioned.
- Lamina (16) preferably has one end not in contact with the upper edge of counterblade (2b) and the opposite end inserted into roll (3a) through grooves made in roll (3a).
- Lamina (16) preferably is shaped so that its upper side is tangential with respect to roll (3a). This embodiment is shown in Fig. 1 by the end part of lamina (16) in contact with roll (3a).
- the upper side of lamina (16) can also form a 0° or a negative angle with respect to a line perpendicular to the longitudinal axis of roll (3a). The negative angle can be for example up to about -10°.
- the perpendicular line can be represented also by (5) or by an horizontal line passing through the axis of roll (3a).
- the preferred position is the tangential one corresponding to an angle of 35° for a diameter of roll (3a) of about 14 mm.
- a lamina thickness higher than 2.5 mm can also be used.
- the lamina (16) is in contact, or at least partly in contact, with the counterblade (2b) or with the upper edge thereof.
- More than one lamina (16) can be used and can have one end towards roll (3a), preferably inserted in roll (3a). In another embodiment of the invention part of the laminas (16) do not have one of the ends inserted in roll (3a). In a particularly preferred embodiment at least one of the laminas has one end inserted in roll (3a).
- the width of plane (15), measured in the direction of movement of tape (5), is generally comprised from about 30% to about 70% of the distance between roll (3a) and counterblade (2b).
- plane (15) is treated with antiadhesive material.
- the distance between plane (15) and counterblade (2b) must be such as to allow the passage of tape (5). Higher distances can be used, for example of about 5-10 mm.
- belts (19) can optionally be positioned to connect roll (3a) with pulley (19a) (see Fig. 1b ).
- one belt is used for each end.
- 0-rings can be used.
- the belts and 0-rings are preferably made of antiadherent material.
- roll (3a) is motorized.
- a further preferred component used in the machine of the invention is at least one supporting roll (20), positioned uphill roll (3a) and having the longitudinal axis parallel to that of roll (3a).
- the distance of supporting roll (20) from roll (3a) ranges from 30 to 300 mm, preferably from 60 to 200 mm, more preferably from 50 to 120 mm. In this way the supporting roll (20) keeps tape (5) in tension between the two rolls (20) and (3a).
- the dimensions of supporting roll (20) can be the same or different from those of roll (3a).
- Preferably supporting roll (20) is made of an antiadherent material.
- horizontal driving planes optionally motorized, for example eletrically and/or pneumatically, can be used.
- the planes are preferably coated with antiadherent material.
- supporting rolls (20) are preferred.
- the machine of the present invention can work also for very long times, for example one or more months, for example three months or longer times, without showing the drawbacks of the prior art machines. Besides, as said, the machine of the invention can work at higher speeds, up to 70 labels/minute, in comparison with those of the prior art.
- the cutting systems can have various sizes. Generally their size, measured along the longitudinal direction of the tape, is preferably lower than 60 mm, more preferably lower than 40 mm. It is preferable to use cutting systems having a size as small as possible, for example 15-40 mm.
- the unwinding roll (8) is preferably driven by an engine.
- the applying pad (6) is preferably driven by an electropneumatic device (7).
- the roll (3a) is preferably driven by a motor cyclically inverting the roll rotation direction.
- the cutting blade (2a) is preferably driven by a linear pneumatic cylinder, the counterblade (2b) is mounted on a plate fixed or oscillating, preferably fixed.
- the contact between the counterblade (2b) and the blade (2a) is obtained by a system acting on the counterblade (2b) or on the blade (2a), preferably on the latter.
- the system can be a spring or a pneumatic cylinder or a pusher.
- the vertical section of the cutting blade (2a) can be flat or slightly curved with a radius generally comprised from 500 mm to 6,000 mm preferably from 1,500 mm to 4,000 mm. A flat blade is preferred.
- both sides of blade (2a) and counterblade (2b) are covered with solid antiadhesive coatings.
- the antiadhesive treatment of the components of the invention machine as described above allows to avoid that the adhesive tape adheres on their surfaces.
- the antiadhesive treatment can, for example, be carried out by using materials based on (fluoro) silicones and/or fluoropolymers for obtaining antiadhesive solid coatings.
- materials based on (fluoro) silicones and/or fluoropolymers for obtaining antiadhesive solid coatings.
- coatings with the commercial name of Plasma Coating ® PC 918F, PC 936, PC 915, PC 915S, PC 934, PC 934S, PC 932, PC 918-C, PC 434, PC 432, 40601/4001F.
- the roll (3a), as said, is made of antiadherent material, so that adhesivized tape (5) does not adhere to the roll (3a).
- the material of the roll (3a) is, for example, made by silicone resins, for example silicone rubbers.
- the engine acting on roll (3a) cyclically inverts the rotation direction.
- this can be obtained by modifying the firmware of the printing group.
- the backward movement of tape (5) by roll (3a), preferably is from 1 mm to L mm, wherein L is the distance between the cutting blade and the printing head.
- L depends on the cutting system size, generally L is comprised between 15 and 60 mm. This value depends on the printing requirements. For example, this value is L-2 when the printing starts 2 mm from the upper margin of the label. With upper margin of the label it is meant the label side coming out first from the printing head.
- Tape (5) without the adhesive, has a thickness generally from about 30 micron to about 120 micron, preferably from 50 micron to 80 micron.
- the adhesive amount spread on the support film, calculated on the dry, ranges from 10 to 30 g/m 2 , preferably from 15 to 22 g/m 2 .
- the labels have various sizes depending on the requirements. Generally the label has the same width of the tape and ranges from 10 mm and 300 mm, preferably from 30 mm to 230 mm, the length can vary, for example up to 500 mm, generally from 20 mm to 200 mm, preferably from 30 mm to 180 mm.
- the preferred tape for the labelling system is in plastic material preferably having the internal side, i.e. that turned towards the reel, adhesivized.
- the tape plastic film is preferably made of bioriented polypropylene, polyester, polyethylene, polyvinylchloride, or also laminates, or plastic coupled articles in general.
- the tape material can also be made of paper, thermosensitive paper of thermosensitive plastic material.
- the used adhesive is available on the market and is selected among those allowing a permanent adhesion.
- the adhesive is preferably a water acrylic adhesive, in aqueous emulsion form, based on a C 3 -C 5 ester of the acrylic acid, for example butyl acrylate, or a "hot melt” adhesive formed of thermoplastic rubbers and hydrocarbon resins in general.
- tape (5) passes between the driving roll (3a) and the printing head (3b).
- roll (3a) drives tape (5) ( Fig. 1 ).
- the invention also comprises a printing and labelling process as defined by claim 14.
- the applying/labelling machine of the present invention is represented according to a preferred embodiment as reported in the Figures:
- the working process of the machine of the present invention is the following.
- Tape (5) is unwound from the reel (1) by the unwinding system comprising (8) and (9), proceeds into the printing group (3) for the label print and/or overprint.
- Tape (5) proceeds on roll (3a), then on lamina (16) and after into the cutting system (2) moving in a direction perpendicular to the cutting blade (2a), which cuts the tape with an angle, preferably constant, the contact point between the blade (2a) and counterblade (2b) during cutting moves transversally in a continuous way through tape (5).
- the printed label is immediately applied on the container (box) by the applying pad (6).
- the adhesivized tape (5) is moved backward by roll (3a), passing on the lamina 16 and stopping on roll (3a) thus allowing the printing head (3b) to start printing near the upper edge of the forming label. Then tape (5) enters into the cutting system (2), a new label is cut and the cycle starts again.
- lubricating oils are rather critical, especially for food packages, since they represent a critical contamination source according to the rules and procedures HACCP (Hazard Assessment Critical Control Point). According to these rules the oil must not come into contact, directly or indirectly, with the food or their packages. Furthermore oil traces on the adhesive part of the label reduce the adhesion on the package.
- the label printing is preferably carried out by a direct or indirect thermal process or by using laser or ink-jet printers.
- the label text is previously programmed by the user, for example through a software.
- the text contains for example the following information codes for identififying the product, the customer, the supplier, the producer, etc. and can be personalized.
- the software it is possible to store in the memory of the computer labels having different features as regards the format and the text (logo, firm data, production codes, expiry dates, etc.).
- the appropriate labels are applied on the product on the packaging line.
- the printing/labelling machine of the present invention allows to obtain labels having a different length depending on the text of the labels. This represents a remarkable advantage with respect to the systems of the prior art, wherein labels having a fixed format are used. When in these known systems the label dimensions must be changed, it is necessary to change the reel. Furthermore another advantage of the machine of the present invention is that the siliconized support (carrier) is not used, thus avoiding a disposal unit.
- the machine of the present invention results improved in comparison with the machines of the prior art (see the examples) since with the latter it is not possible to use high speeds, higher than 18/20 strokes/minute, without jamming, using adhesivized tapes.
- the prior art machines can be used without jamming when the tape has widths up to 120 mm. From an industrial point of view the machine of the present invention assures an improved productivity even with labels having a width higher than 120 mm, even up to 300 mm.
- the label application system can be carried out in various ways.
- a piston system (7) can be used.
- a further advantage of the present invention machine is that it is not necessary to have available tapes with prepunched labels having a different format (length).
- the machine is connected to a computer with a software for printing on labels the requested information.
- the boxes which have been labelled had 380 X 250 X 300 mm sizes.
- the applied labels had 120 mm (width) X 80 mm (length) sizes and have been formed by directly cutting the tape of a 50 ⁇ m polypropylene reel adhesivized with acrylic adhesive Primal ® PS 83d (Rohm & Haas), weight 20-22 g/m 2 , having a width of 120 mm and a length of 800 m.
- the following information were printed on the label: product, number of items contained in the box, batch number, bar code, progressive package number, date, time of the label application.
- the label text was distributed on the whole label surface, up to a distance of 2 mm from the upper edge.
- the last label printed by the machine is applied in real time on the first container moving to the labelling station.
- the machine of the present invention operated without interruptions for the whole working time of 8 hours on each day.
- the line production speed was 18-20 boxes/minute (strokes/minute). No inconveniences on the machine occurred and to each package the proper label was applied with the applied printed labels resulted conforming to the corresponding model in the computer.
- the labelling process with the labelling machine according to the present invention did not show any inconveniences from the industrial point of view, even after a working period of 3 months.
- Example 1 has been repeated but increasing the line production speed to 50 packages/minute. The machine worked 12 hours each day. Even after 3 months, the labelling machine did not show inconveniences and no machine downtimes occurred.
- Example 1 has been repeated but using labels havinh a width of 180 mm, the length being the same as in the Example 1, and the line production speed being of 50 boxes/minute. The machine was used for 12 hours each day. Even after 3 months of working the labelling machine did not show any inconveniences and no machine downtime occurred.
- Example 2 has been repeated but the labelling machine comprised pipe (17), plane (15) and supporting roll (20). Furthermore at each longitudinal end of the roll (3a) pulleys were inserted. Even after 6 months of working, the labelling machine did not show any inconvenience and no machine downtime occurred.
- Example 2 has been repeated but the labelling machine comprised pipe (17), plane (15) and supporting roll (20). Furthermore at each longitudinal end of the roll (3a) pulleys were inserted. Tape width was of 180 mm. The machine was operated for 12 hours on each day. Even after 5 months of working, the machine did not shown any inconvenience and no machine downtime occurred.
- a labelling machine according to EP 1,447,333 has been positioned.
- the applied labels had dimensions 120 mm (width) X 80 mm (length) and were formed by cutting directly a 50 ⁇ m polypropylene tape adhesivized with acrylic adhesive Primal ® PS 83d (Rohm & Haas), weight 20-22 g/m 2 , having a width of 120 mm and a length of 800 m.
- the machine operated without interruptions for the whole daily working time of 8 hours.
- the line production speed was 20 packages/minute. After a working period of one week jams occurred due to the adhesive tape winding on the roll (3a) in the correspondence of the printing head (3b). This part of the machine is represented in Fig. 3 of the patent. The production was stopped for tape removal.
- Example 6 comparative has been repeated but using labels having 180 mm (width) X 80 mm (length) sizes.
- the line production speed was 20 packages/minute.
- the machine was operated over a daily working time of 8 hours. After 3 days jams occurred due to the adhesive tape winding on the roll (3a) in correspondence with the printing head (3b). Also in this case the production had to be stopped for tape removal.
- Example 7 has been repeated but increasing the line speed to 30 packages/minute. After 2 hours the same jamming as reported in examples 6 comparative and 7 comparative occurred.
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Description
- The present invention relates to a machine and to a process for printing and applying self-adhesive labels from adhesivized reels, in particular usable for identification systems to be applied to containers, in particular to boxes, parcels, packages, pallets.
- More specifically the invention relates to machines for applying labels in real time and also working on packages from different lines, the labels being of various sizes and content.
- Machines applying prepunched labels are known in the prior art. Said labels are formed by an adhesivized substratum (paper, plastic film, etc.) applied on an antiadhesive support, usually siliconized, forming the label carrier and release. During the application the label is printed, removed from the support and applied. The drawback of these systems is that the support is discarded and must be disposed of as special waste.
-
EP 1,447,333 , in the name of the Applicant and corresponding to the preamble of claim 1, describes a machine for printing and applying labels on containers comprising a reel (1) of tape adhesivized on the internal side from which the labels are formed; a reel unwinding system; a printing group (3) for the adhesivized tape comprising a printing system wherein the contact between the printing head and the adhesive tape is obtained by a driving roll cyclically inverting the rotation direction; a cutting system (2) of the printed tape forming the label and a piston for applying it located adjacent to the printing group. In particular the cutting system is formed by a blade (2a) and counterblade (2b). The former moves perpendicularly to the direction of the tape to be cut and with cutting edge forming an angle comprised between 2° and 45° with the tape. The cutting surfaces of the blade (2a) and counterblade (2b) are covered with antiadhesives. - This machine runs without jamming for about one week if it is operated at a speed of 18-20 labels (strokes)/minute and with tapes having a width of 80-120 mm. When the speed is increased for example up to 40 strokes/minute, this machine works satisfactorily only for about two days. Furthermore, by increasing the tape width from about 130 up to 220 mm and maintaining the speed at about 18-20 strokes/minute, the machine works satisfactorily for shorter times, of about three days. When tapes having a width more than 120 up to 220 mm are used and contemporaneously the speed is increased, from 30 up to 70 strokes/minute, the machine works correctly for shorter times, for example of the order of two hours.
- The need was felt to have available an improved machine for printing and applying labels from adhesivized tapes capable to work with high productivity, i.e. with number of strokes/minute from 10 to 70, by using tapes having a width from 10 up to 300 mm, preferably from 40 to 240 mm, and without jamming or interruptions for longer times, of a least 40 days, preferably even of three months or more, compared to the prior art machines.
- It has been surprisingly and unxepectedly found by the Applicant a machine for printing and applying labels, solving the above technical problem.
- An object of the present invention is a machine for printing and applying labels on containers, etc., comprising:
- a reel of adhesive tape from which the labels are formed;
- an unwinding system of the reel comprising at least an unwinding roll and a tensioning device of the tape;
- optionally a photocell positioned between the unwinding system of the reel and the printing group;
- an adhesive tape adhesivized on the internal side of the reel;
- a printing group comprising a printing system wherein the contact between the printing head and the adhesivized tape is obtained by a rotating driving roll covered by an antiadherent material, which cyclically inverts the rotation direction;
- a cutting system comprising
- a cutting blade moving perpendicularly to the direction of adhesive tape with the cutting edge forming an angle comprised between 2° and 45°, preferably between 2° and 30° with tape;
- a counterblade;
the cutting surfaces of the blade and counterblade are covered with antiadhesives, preferably solid antiadhesives; - the cutting system being adjacent to the printing group;
- an applying pad of the labels on the containers; characterized in that:
- between the roll and the counterblade a lamina is inserted perpendicularly to the longitudinal axis of roll, one end of said lamina positioned near the upper edge of the counterblade and the opposite end inserted into the roll through grooves made in the roll,
- Generally the distance of each of the ends of the lamina (16) from (2b) and (3b), respectively ranges from 0 to 12 mm, preferably from 0 to 5 mm.
- The thickness of the lamina (16) can range from about 0.05 up to about 10 mm, preferably 0.1-2.5 mm, still more preferably 0.2-0.4 mm. The preferred thicknesses are suitable in particular used when tape (5) must be printed on the roll surface, also in the points where the lamina is inserted. Besides, it has been unexpectedly and surprisingly found by the Applicant that the more preferred thickness reduces the friction between tape (5) and lamina (16). In this way the adhesive release of tape (5) on the lamina (16) is decreased. In order to favour the detachment of tape (5), a pipe (17) positioned longitudinally under the lamina (16) and perpendicular thereto, equipped with holes for the output of inert gases under pressure, is used. The pressure ranges from 1 bar up to 10 bar, preferably from 2 to 5 bar. As suitable inert gases used, nitrogen, air, helium can be mentioned.
- Lamina (16), preferably, has one end not in contact with the upper edge of counterblade (2b) and the opposite end inserted into roll (3a) through grooves made in roll (3a). Lamina (16) preferably is shaped so that its upper side is tangential with respect to roll (3a). This embodiment is shown in
Fig. 1 by the end part of lamina (16) in contact with roll (3a). The upper side of lamina (16) can also form a 0° or a negative angle with respect to a line perpendicular to the longitudinal axis of roll (3a). The negative angle can be for example up to about -10°. InFig. 1 the perpendicular line can be represented also by (5) or by an horizontal line passing through the axis of roll (3a). As said, the preferred position is the tangential one corresponding to an angle of 35° for a diameter of roll (3a) of about 14 mm. Whene the printing does not comprise the area where the lamina which is inserted in the roll (3a) is present, a lamina thickness higher than 2.5 mm can also be used.
Preferably the lamina (16) is in contact, or at least partly in contact, with the counterblade (2b) or with the upper edge thereof. It has in fact unexpectedly and surprisingly found by the Applicant that, in these conditions the adhesive tape (5) is not blocked (e.g. by jamming) between the printing group (3) and the cutting group (2). In fact the movement of tape (5) is controlled by roll (3b) which moves tape (5) towards the cutting group (2) for forming the label and then moves the tape backwards for printing the new label. - More than one lamina (16) can be used and can have one end towards roll (3a), preferably inserted in roll (3a). In another embodiment of the invention part of the laminas (16) do not have one of the ends inserted in roll (3a). In a particularly preferred embodiment at least one of the laminas has one end inserted in roll (3a).
- Between roll (3a) and counterblade (2b) a plane (15) parallel to tape (5) is placed over tape (5). The tape (5), after unwinding from roll (3a) and after passing on lamina (16), aligns with plane (15). Plane (15) makes it easier the advancement of tape (5) to the cutting group (2). Inert gases under pressure flowing from the holes of pipe (17), favour the alignment.
- The width of plane (15), measured in the direction of movement of tape (5), is generally comprised from about 30% to about 70% of the distance between roll (3a) and counterblade (2b). Preferably plane (15) is treated with antiadhesive material.
- The distance between plane (15) and counterblade (2b) must be such as to allow the passage of tape (5). Higher distances can be used, for example of about 5-10 mm.
- In order to make easier the advancement of tape (5), at the two ends of roll (3a) belts (19) can optionally be positioned to connect roll (3a) with pulley (19a) (see
Fig. 1b ). Preferably one belt is used for each end. Instead of belts, 0-rings can be used. The belts and 0-rings are preferably made of antiadherent material. Preferably roll (3a) is motorized. - A further preferred component used in the machine of the invention is at least one supporting roll (20), positioned uphill roll (3a) and having the longitudinal axis parallel to that of roll (3a). The distance of supporting roll (20) from roll (3a) ranges from 30 to 300 mm, preferably from 60 to 200 mm, more preferably from 50 to 120 mm. In this way the supporting roll (20) keeps tape (5) in tension between the two rolls (20) and (3a). The dimensions of supporting roll (20) can be the same or different from those of roll (3a). Preferably supporting roll (20) is made of an antiadherent material.
- Instead of supporting rolls (20), horizontal driving planes, optionally motorized, for example eletrically and/or pneumatically, can be used. The planes are preferably coated with antiadherent material. According to the present invention, supporting rolls (20) are preferred.
- The machine of the present invention can work also for very long times, for example one or more months, for example three months or longer times, without showing the drawbacks of the prior art machines. Besides, as said, the machine of the invention can work at higher speeds, up to 70 labels/minute, in comparison with those of the prior art.
- It has in fact unexpectedly and surprisingly been found that the prior art machines, also those using adhesivized tapes, satisfactorily work for about one week at speeds of about 18-20 strokes/minute with tapes having width from 80 mm to 120 mm. When the speed is increased, for example to 40 strokes/minute, they work satisfactorily for about two days. Furthermore it has been found by the Applicant that when the speed is of 18-20 strokes/minutes but with the tape width from about 130 to 220 mm, the prior art machines work satisfactorily for about three days. With tape width of about 130 up to 220 mm and speeds from 30 to 70 strokes/minute, the prior art machines work for about two hours without jamming.
- The working of the machine of the invention is therefore unexpected and surprising.
- The cutting systems can have various sizes. Generally their size, measured along the longitudinal direction of the tape, is preferably lower than 60 mm, more preferably lower than 40 mm. It is preferable to use cutting systems having a size as small as possible, for example 15-40 mm.
- The unwinding roll (8) is preferably driven by an engine. The applying pad (6) is preferably driven by an electropneumatic device (7). The roll (3a) is preferably driven by a motor cyclically inverting the roll rotation direction.
- The cutting blade (2a) is preferably driven by a linear pneumatic cylinder, the counterblade (2b) is mounted on a plate fixed or oscillating, preferably fixed. The contact between the counterblade (2b) and the blade (2a) is obtained by a system acting on the counterblade (2b) or on the blade (2a), preferably on the latter. The system can be a spring or a pneumatic cylinder or a pusher. The vertical section of the cutting blade (2a) can be flat or slightly curved with a radius generally comprised from 500 mm to 6,000 mm preferably from 1,500 mm to 4,000 mm. A flat blade is preferred. Preferably both sides of blade (2a) and counterblade (2b) are covered with solid antiadhesive coatings.
- The antiadhesive treatment of the components of the invention machine as described above allows to avoid that the adhesive tape adheres on their surfaces. The antiadhesive treatment can, for example, be carried out by using materials based on (fluoro) silicones and/or fluoropolymers for obtaining antiadhesive solid coatings. One can mention, for example, and not limitedly to the types specified hereinafter, coatings with the commercial name of Plasma Coating® PC 918F, PC 936, PC 915, PC 915S, PC 934, PC 934S, PC 932, PC 918-C, PC 434, PC 432, 40601/4001F.
- The roll (3a), as said, is made of antiadherent material, so that adhesivized tape (5) does not adhere to the roll (3a). The material of the roll (3a) is, for example, made by silicone resins, for example silicone rubbers.
- As said, the engine acting on roll (3a) cyclically inverts the rotation direction. Alternatively, this can be obtained by modifying the firmware of the printing group.
- In the printing group, the backward movement of tape (5) by roll (3a), preferably is from 1 mm to L mm, wherein L is the distance between the cutting blade and the printing head. L depends on the cutting system size, generally L is comprised between 15 and 60 mm. This value depends on the printing requirements. For example, this value is L-2 when the printing starts 2 mm from the upper margin of the label. With upper margin of the label it is meant the label side coming out first from the printing head.
- With the printing system of the machine of the present invention, it is possible to print the adhesivized tape even near the upper edge of the label.
- Tape (5), without the adhesive, has a thickness generally from about 30 micron to about 120 micron, preferably from 50 micron to 80 micron.
- The adhesive amount spread on the support film, calculated on the dry, ranges from 10 to 30 g/m2, preferably from 15 to 22 g/m2.
- The labels have various sizes depending on the requirements. Generally the label has the same width of the tape and ranges from 10 mm and 300 mm, preferably from 30 mm to 230 mm, the length can vary, for example up to 500 mm, generally from 20 mm to 200 mm, preferably from 30 mm to 180 mm.
- The preferred tape for the labelling system is in plastic material preferably having the internal side, i.e. that turned towards the reel, adhesivized. The tape plastic film is preferably made of bioriented polypropylene, polyester, polyethylene, polyvinylchloride, or also laminates, or plastic coupled articles in general.
- The tape material can also be made of paper, thermosensitive paper of thermosensitive plastic material.
- The used adhesive is available on the market and is selected among those allowing a permanent adhesion. In particular the adhesive is preferably a water acrylic adhesive, in aqueous emulsion form, based on a C3-C5 ester of the acrylic acid, for example butyl acrylate, or a "hot melt" adhesive formed of thermoplastic rubbers and hydrocarbon resins in general.
- By using a preprinted adhesivized tape reel, it is possible to determine the label size through an optical reading system (photocell 4) which determines the cutting position.
- In the printing group (3) tape (5) passes between the driving roll (3a) and the printing head (3b).
- In the printing group (3), as said, roll (3a) drives tape (5) (
Fig. 1 ). - The invention also comprises a printing and labelling process as defined by claim 14.
- The applying/labelling machine of the present invention is represented according to a preferred embodiment as reported in the Figures:
-
Fig. 1 : representation in vertical section along A-A' ofFig. 1b . -
Fig. 1b : representation of the machine when the tape (5) is at the beginning of the roll (3a). -
Fig. 2 : asFig. 1 but with tape (5) being on the laminas (16). -
Fig. 2b : asFig. 1b but with tape (5) being on the laminas (16). -
Fig. 3 : asFig. 1 but with tape (5) being on the counterblade (2b). -
Fig. 3b : asFig. 1b with tape (5) being on the counterblade (2b). - More specifically in
Fig. 1b : - (3a) the driving roll,
- (5) the tape,
- (16) the laminas,
- (17) the perforated pipe for the the gas outflowing,
- (2b) the counterblade of the cutting system,
- (20) the supporting roll, (19) the O-ring connecting roll (3a) with pulley (19a).
- In
Fig. 1 the reported numbers have the same meaning as those reported inFig. 1b , (3b) is the printing head, plane (15) being over tape (5), (2a) represents the blade of the cutting system. - In
Figs. 2b and3b the numbers have the same meaning as those ofFig. 1b . It changes only the position of tape (5), which is on roll (3a) inFig. 1b , and is on the laminas (16) inFig. 2b and is on counterblade (2b) inFig. 3b . - In
Figs. 2 and3 the numbers have the same meanings as inFig. 1 , but the tape (5) is inFig. 1 is on roll (3a), inFig. 2 on laminas (16), inFig. 3 on the counterblade (2b). - The working process of the machine of the present invention is the following. Tape (5) is unwound from the reel (1) by the unwinding system comprising (8) and (9), proceeds into the printing group (3) for the label print and/or overprint.
- Tape (5) proceeds on roll (3a), then on lamina (16) and after into the cutting system (2) moving in a direction perpendicular to the cutting blade (2a), which cuts the tape with an angle, preferably constant, the contact point between the blade (2a) and counterblade (2b) during cutting moves transversally in a continuous way through tape (5). After cutting, the printed label is immediately applied on the container (box) by the applying pad (6).
- After the label application, the adhesivized tape (5) is moved backward by roll (3a), passing on the
lamina 16 and stopping on roll (3a) thus allowing the printing head (3b) to start printing near the upper edge of the forming label. Then tape (5) enters into the cutting system (2), a new label is cut and the cycle starts again. - Furthermore, during the machine working, it is not required the application of lubricating oils on the blade and counterblade, which could stain the label and the container on which it is applied. The use of lubricating oils is rather critical, especially for food packages, since they represent a critical contamination source according to the rules and procedures HACCP (Hazard Assessment Critical Control Point). According to these rules the oil must not come into contact, directly or indirectly, with the food or their packages. Furthermore oil traces on the adhesive part of the label reduce the adhesion on the package.
- The label printing is preferably carried out by a direct or indirect thermal process or by using laser or ink-jet printers.
- The label text is previously programmed by the user, for example through a software. Generally the text contains for example the following information codes for identififying the product, the customer, the supplier, the producer, etc. and can be personalized.
- By the software it is possible to store in the memory of the computer labels having different features as regards the format and the text (logo, firm data, production codes, expiry dates, etc.). In connection with the production requirements the appropriate labels are applied on the product on the packaging line.
- By using the machine of the present invention it is possible to change on the packaging line the sizes and the text of the label from a package to another, even more times or even in a continuous way, if required, without interrupting the production cycle.
- It is indeed possible, by using softwares available on the market, to identify on the packaging line the package on which applying a specific label.
- In this way only one label station can be used for more production lines.
- In fact it is not required the substitution of a tape with another of different size, provided that the width of the label is compatible with the width of the tape.
- The printing/labelling machine of the present invention allows to obtain labels having a different length depending on the text of the labels. This represents a remarkable advantage with respect to the systems of the prior art, wherein labels having a fixed format are used. When in these known systems the label dimensions must be changed, it is necessary to change the reel. Furthermore another advantage of the machine of the present invention is that the siliconized support (carrier) is not used, thus avoiding a disposal unit.
- As said, the machine of the present invention results improved in comparison with the machines of the prior art (see the examples) since with the latter it is not possible to use high speeds, higher than 18/20 strokes/minute, without jamming, using adhesivized tapes. Besides, the prior art machines can be used without jamming when the tape has widths up to 120 mm. From an industrial point of view the machine of the present invention assures an improved productivity even with labels having a width higher than 120 mm, even up to 300 mm.
- The label application system can be carried out in various ways. For example, a piston system (7) can be used.
- As said, a further advantage of the present invention machine is that it is not necessary to have available tapes with prepunched labels having a different format (length).
- As applying machine of the prior art, the Applicant has used the applying machine of
EP 1,447,333 , as described inFig. 1 of this patent. - The following Examples illustrate the invention and do not limit the scope thereof.
- At the outlet of an end line Beretti mod. MS30 cardboard box wrapping machine, a machine for printing and applying labels according to
Fig. 1 of the present invention has been positioned. In said machine lamina (16) has been positioned inserted in roll (3a), at half of the longitudinal width of the roll (3a). The components (20 (19) and (15) have not instead been installed. - The machine is connected to a computer with a software for printing on labels the requested information. The boxes which have been labelled had 380 X 250 X 300 mm sizes. The applied labels had 120 mm (width) X 80 mm (length) sizes and have been formed by directly cutting the tape of a 50 µm polypropylene reel adhesivized with acrylic adhesive Primal® PS 83d (Rohm & Haas), weight 20-22 g/m2, having a width of 120 mm and a length of 800 m.
- By a thermal transfer printer the following information were printed on the label: product, number of items contained in the box, batch number, bar code, progressive package number, date, time of the label application. The label text was distributed on the whole label surface, up to a distance of 2 mm from the upper edge.
- The last label printed by the machine is applied in real time on the first container moving to the labelling station.
- The machine of the present invention operated without interruptions for the whole working time of 8 hours on each day. The line production speed was 18-20 boxes/minute (strokes/minute). No inconveniences on the machine occurred and to each package the proper label was applied with the applied printed labels resulted conforming to the corresponding model in the computer.
- The labelling process with the labelling machine according to the present invention did not show any inconveniences from the industrial point of view, even after a working period of 3 months.
- Example 1 has been repeated but increasing the line production speed to 50 packages/minute. The machine worked 12 hours each day. Even after 3 months, the labelling machine did not show inconveniences and no machine downtimes occurred.
- Example 1 has been repeated but using labels havinh a width of 180 mm, the length being the same as in the Example 1, and the line production speed being of 50 boxes/minute. The machine was used for 12 hours each day. Even after 3 months of working the labelling machine did not show any inconveniences and no machine downtime occurred.
- Example 2 has been repeated but the labelling machine comprised pipe (17), plane (15) and supporting roll (20). Furthermore at each longitudinal end of the roll (3a) pulleys were inserted. Even after 6 months of working, the labelling machine did not show any inconvenience and no machine downtime occurred.
- Example 2 has been repeated but the labelling machine comprised pipe (17), plane (15) and supporting roll (20). Furthermore at each longitudinal end of the roll (3a) pulleys were inserted. Tape width was of 180 mm. The machine was operated for 12 hours on each day. Even after 5 months of working, the machine did not shown any inconvenience and no machine downtime occurred.
- At the outlet of an end line Beretti mod. MS30 cardboard box wrapping machine, a labelling machine according to
EP 1,447,333 has been positioned. The applied labels had dimensions 120 mm (width) X 80 mm (length) and were formed by cutting directly a 50 µm polypropylene tape adhesivized with acrylic adhesive Primal® PS 83d (Rohm & Haas), weight 20-22 g/m2, having a width of 120 mm and a length of 800 m. The machine operated without interruptions for the whole daily working time of 8 hours. The line production speed was 20 packages/minute. After a working period of one week jams occurred due to the adhesive tape winding on the roll (3a) in the correspondence of the printing head (3b). This part of the machine is represented inFig. 3 of the patent. The production was stopped for tape removal. - Example 6 comparative has been repeated but using labels having 180 mm (width) X 80 mm (length) sizes. The line production speed was 20 packages/minute. The machine was operated over a daily working time of 8 hours. After 3 days jams occurred due to the adhesive tape winding on the roll (3a) in correspondence with the printing head (3b). Also in this case the production had to be stopped for tape removal.
- Example 7 has been repeated but increasing the line speed to 30 packages/minute. After 2 hours the same jamming as reported in examples 6 comparative and 7 comparative occurred.
a pipe equipped with holes for the output of inert gases under pressure is positioned longitudinally under the lamina and perpendicular thereto and between roll and counterblade a plane parallel to tape is placed over the tape.
Claims (14)
- A machine for printing and applying labels on containers, comprising:- a reel (1) of adhesive tape (5) from which the labels are formed;- an unwinding system of the reel (1) comprising at least an unwinding roll (8) and a tensioning device (9) of the tape (5);- optionally a photocell (4) positioned between the
system of the reel (1) and the printing group;- an adhesive tape (5) adhesivized on the internal side of the reel;- a printing group (3) comprising a printing system wherein the contact between the printing head (3b) and the adhesivized tape (5) is obtained by a rotating driving roll covered by an antiadherent material (3a), which cyclically inverts the rotation direction;- a cutting system (2) comprising:- a cutting blade (2a) moving perpendicularly to the direction of adhesive tape (5) with the cutting edge forming an angle comprised between 2° and 45°, preferably between 2° and 30° with tape (5) ;- a counterblade (2b) ;
the cutting surfaces of the blade (2a) and counterblade (2b) are covered with antiadhesives, preferably solid antiadhesives;- the cutting system (2) being adjacent to the printing group (3) ;- an applying pad (6) of the labels on the containers; characterized in that :- between the roll (3a) and the counterblade (2b) a lamina (16) is inserted perpendicularly to the longitudinal axis of roll (3a), one end of said lamina positioned near the upper edge of the counterblade (2b) and the opposite end inserted into the roll (3a) through grooves made in the roll (3a),wherein
a pipe (17) equipped with holes for the output of inert gases under pressure is positioned longitudinally under the lamina (16) and perpendicular thereto and
between roll (3a) and counterblade (2b) a plane (15) parallel to tape (5) is placed over the tape (5). - A machine according to claim 1, wherein the distance of each of the ends of the lamina (16) from counterblade (2b) and from the printing head (3b) respectively ranges from 0 to 12 mm, preferably from 0 to 5 mm.
- A machine according to claims 1-2, wherein the lamina (16) has a thickness from about 0.05 up to about 10 mm, preferably 0.1-2.5 mm, still more preferably from 0.2-0.4 mm.
- A machine according to claims 1 - 3, wherein the lamina (16) is in contact with the counterblade (2b).
- A machine according to claims 1-4 comprising more laminas (16).
- A machine according to claim 5, wherein a part of the laminas (16) are not inserted into the roll (3a).
- A machine according to claims 1-6, wherein the width of the plane (15), measured in the advancing direction of the tape (5) is from about 30% and about 70% the distance between the roll (3a) and the counterblade (2b).
- A machine according to claims 1-7, wherein the plane (15) is treated with antiadhesive material.
- A machine according to claims 1-8, wherein a supporting roll (20) is positioned uphill the roll (3a) with the longitudinal axis parallel to that of roll (3a).
- A machine according to claim 9, wherein the distance of supporting roll (20) from roll (3a) ranges from 30 to 300 mm, preferably from 60 up to 200 mm, more preferably from 50 up to 120 mm.
- A machine according to claims 1-10, wherein the tape (5), without the adhesive, has a thickness generally f rom about 30 micron to about 120 micron, preferably from 50 micron to 80 micron.
- A machine according to claim 11, wherein the tape width is between 10 mm and 300 mm, preferably 30 mm-230 mm, the label length is not higher than 500 mm, preferably it is comprised between 20 mm and 200 mm, more preferably between 30 mm and 180 mm.
- A machine according to claims 11-12, wherein the tape plastic film is made of bioriented polypropylene, polyester, polyethylene, polyvinylchloride, or also laminates, or plastic coupled articles in general, paper, thermosensitive paper or thermosensitive plastic material.
- A process for printing and applying labels using the machine of claims 1-13 comprising the following steps:- unwinding of tape (5) from reel (1) by an unwinding system,- printing and/or overprinting of the tape (5) in the printing group (3),- cutting of the printed tape (5) to form the label;- application on the label on a container by means of the applying pad (6),- roll (3a) moves back tape (5) after label application,- the tape (5) passes on the lamina (16):- before entering the cutting system (2),- when it is moved backward by roll (3a) after the label application,wherein:- a pipe (17) equipped with holes for the output of inert gases under pressure is positioned longitudinally under the lamina (16) and perpendicular thereto to favour the detachment of tape (5),- between roll (3a) and counterblade (2b) a plane (15) parallel to tape (5) is placed over the tape (5), to make easier the advancement of tape (5) to the cutting group.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20071664 ITMI20071664A1 (en) | 2007-08-09 | 2007-08-09 | MACHINE LABELING |
Publications (2)
Publication Number | Publication Date |
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EP2022722A1 EP2022722A1 (en) | 2009-02-11 |
EP2022722B1 true EP2022722B1 (en) | 2013-01-09 |
Family
ID=39938253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08013726A Expired - Fee Related EP2022722B1 (en) | 2007-08-09 | 2008-07-31 | Labelling machine |
Country Status (2)
Country | Link |
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EP (1) | EP2022722B1 (en) |
IT (1) | ITMI20071664A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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IT1396873B1 (en) * | 2009-12-24 | 2012-12-20 | Trade Engineering S R L T | MACHINE LABELING. |
ITVR20120006A1 (en) * | 2012-01-13 | 2013-07-14 | Packlab S R L | MACHINE LABELING BY APPLICATOR BUFFER FOR LINERLESS LABELS |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US3955889A (en) * | 1973-12-20 | 1976-05-11 | Katsuragawa Denki Kabushiki Kaisha | Apparatus for stripping receptor papers for use in electrophotographic machines |
US4451169A (en) * | 1980-10-14 | 1984-05-29 | Ricoh Company, Ltd. | Paper loading apparatus |
US6585437B1 (en) * | 1999-09-27 | 2003-07-01 | Intermec Ip Corp. | Method and apparatus for reliable printing on linerless label stock |
EP1407994A1 (en) * | 2002-10-07 | 2004-04-14 | Paxar Americas, Inc. | Linerless label web roll and method of and system for handling a linerless label web |
US7186043B2 (en) * | 2004-04-08 | 2007-03-06 | Paxar Americas, Inc. | Linerless web utilizing apparatus and methods having dual function stripper element |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1251209B (en) * | 1967-09-28 | Anker-Werke A G , Bielefeld | Cutting device for marking machines or the like | |
US5560293A (en) * | 1994-09-26 | 1996-10-01 | Moore Business Forms, Inc. | Linerless label printer and transport system |
US5531853A (en) * | 1994-10-31 | 1996-07-02 | Booth Manufacturing Company | Linerless label applicator |
ATE356032T1 (en) | 2003-02-06 | 2007-03-15 | Irplast Spa | LABELING MACHINE |
-
2007
- 2007-08-09 IT ITMI20071664 patent/ITMI20071664A1/en unknown
-
2008
- 2008-07-31 EP EP08013726A patent/EP2022722B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3955889A (en) * | 1973-12-20 | 1976-05-11 | Katsuragawa Denki Kabushiki Kaisha | Apparatus for stripping receptor papers for use in electrophotographic machines |
US4451169A (en) * | 1980-10-14 | 1984-05-29 | Ricoh Company, Ltd. | Paper loading apparatus |
US6585437B1 (en) * | 1999-09-27 | 2003-07-01 | Intermec Ip Corp. | Method and apparatus for reliable printing on linerless label stock |
EP1407994A1 (en) * | 2002-10-07 | 2004-04-14 | Paxar Americas, Inc. | Linerless label web roll and method of and system for handling a linerless label web |
US7186043B2 (en) * | 2004-04-08 | 2007-03-06 | Paxar Americas, Inc. | Linerless web utilizing apparatus and methods having dual function stripper element |
Also Published As
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ITMI20071664A1 (en) | 2009-02-10 |
EP2022722A1 (en) | 2009-02-11 |
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