EP3711965A1 - Imprimante de papier d'étiquetage sans fin - Google Patents

Imprimante de papier d'étiquetage sans fin Download PDF

Info

Publication number: EP3711965A1
Authority: EP; European Patent Office
Prior art keywords: label paper; light; endless; paper; transmitter
Prior art date: 2019-03-19
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.): Granted

Application number

EP19163916.0A

Other languages

German (de)

English (en)

Other versions

EP3711965B1 (fr

Inventor

Markus Uber

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.)

Bizerba SE and Co KG

Original Assignee

Bizerba SE and Co KG

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.)

2019-03-19

Filing date

2019-03-19

Publication date

2020-09-23

2019-03-19 Application filed by Bizerba SE and Co KG filed Critical Bizerba SE and Co KG

2019-03-19 Priority to EP19163916.0A priority Critical patent/EP3711965B1/fr

2020-09-23 Publication of EP3711965A1 publication Critical patent/EP3711965A1/fr

2024-01-17 Application granted granted Critical

2024-01-17 Publication of EP3711965B1 publication Critical patent/EP3711965B1/fr

Status Active legal-status Critical Current

2039-03-19 Anticipated expiration legal-status Critical

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Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
- B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
- B41J11/46—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering by marks or formations on the paper being fed
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/66—Applications of cutting devices
- B41J11/663—Controlling cutting, cutting resulting in special shapes of the cutting line, e.g. controlling cutting positions, e.g. for cutting in the immediate vicinity of a printed image
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/66—Applications of cutting devices
- B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
- B41J11/703—Cutting of tape
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4075—Tape printers; Label printers

Definitions

the present invention relates to a printer for printing labels with a detector unit for detecting markings on the label, the markings indicating an area on the label free of an adhesive layer, where labels can be separated from an endless label paper, and a method for printing labels .
the EP3457388A1 shows a roll of self-adhesive labels (label roll) in the form of a printable, continuous strip constructed without a liner, from which individual self-adhesive labels can be separated.
the endless strip comprises an adhesive layer on the back, which is interrupted by areas free of adhesive layers, the areas free of adhesive layers being arranged transversely to the longitudinal direction of the endless strip and forming cutting lines for separating adhesive labels.
the areas free of the adhesive layer are marked with markings on the back, which cover an optical brightener that is integrated in the continuous strip or attached to it.
the object of the invention is to propose a printer which can print and process these label rolls in an advantageous manner.
a printer for printing labels is proposed.
the labels are in particular in the form of continuous label paper and are in the printer printable and detachable from the endless label paper.
the printer includes a holder for a roll of labels with the continuous label paper.
the printer comprises a printing unit with a platen and a print head.
the endless label paper can be conveyed from the label roll to the printing unit along a paper path.
the paper path is formed by at least one deflection roller and corresponds essentially to the distance that the endless label paper depicts when the paper strip is stretched between the label roller and the printing unit.
the paper path extends beyond the printing unit to the point at which a severed label can be or is removed from the printer.
the printer further includes a cutter disposed along the paper path.
the printer further comprises a detector unit for detecting markings which are applied to the endless label paper at regular intervals.
the detector unit comprises a first transmitter that emits light in the UV wavelength range and an associated receiver that receives light in the visible wavelength range.
the person skilled in the art understands light in the UV wavelength range to be light that has a shorter wavelength than the light that is visible to the human eye. The person skilled in the art understands this to be light in the wavelength range from approx. 100 nm to approx. 400 nm.
the person skilled in the art understands light in the visible wavelength range to be a wavelength range that is visible to the human eye. This typically ranges from approx. 380-400 nm to 750 nm.
a receiver belonging to the first transmitter does not necessarily mean that the receiver receives the light in the wavelength range in which it is emitted by the first transmitter. Rather, in the context of this disclosure it is expressed that the first transmitter and the receiver are geometrically arranged in such a way that the direction of propagation of the light emitted by the first transmitter hits the receiver after reflection on an endless strip of labels.
the first transmitter advantageously emits the UV light in a directed manner, that is to say that the first transmitter focuses it Light on a certain point of the paper path of the endless label paper, wherein the endless label paper can be conveyed along the paper path. This means that if the endless label paper is conveyed along the paper path, the focused UV light from the first transmitter travels over the endless label paper.
the UV light from the first transmitter is converted into visible light due to the optical brightener in the endless label paper due to fluorescence and received by the receiver.
the excitation light ie the light from the first transmitter
the receiver associated with the first transmitter is a receiver with a wavelength range that is higher than the wavelength range of the first transmitter.
the cutting device is arranged downstream of the printing unit along the paper path, that is to say the cutting device follows the printing unit. In one embodiment, the cutting device is arranged upstream of the printing unit along the paper path, that is to say the cutting device precedes the printing unit.
the markings to be detected are arranged on the rear side, in particular at regular intervals, on the endless label paper.
the endless label paper to be printed is an endless strip constructed without a liner, from which individual labels can be separated.
the endless label paper has a printable front-side strip surface and a rear-side strip surface opposite this with an adhesive layer.
the endless label paper is designed in such a way that self-adhesive labels can be separated on cutting lines transverse to the longitudinal direction of the endless label paper.
the cutting lines on the back of the strip are each free of an adhesive layer Surround area.
the endless label paper has an optical brightening substance integrated therein or applied to it, which emits incident light in the UV wavelength range at least partially as light in the visible wavelength range, that is to say emits it. This effect is due to the fluorescent properties of the optical brightener.
the markings to be detected by the detector indicate the positions of the areas free of the adhesive layer.
the markings to be detected reflect or absorb UV light and / or cover the optical brightener. This means that the UV light does not hit the optical brightener in the area of the marking and there is no fluorescence in this area.
the at least partial emission of the incident light in the UV wavelength range as light in the visible wavelength range is at least partially prevented in the area of the markings.
the markings are largely invisible in the visible wavelength range. In particular, the markings do not differ optically or not significantly from areas without marking of the endless label paper in the wavelength range of visible light.
the fact that the markings are largely invisible in the visible wavelength range has the advantage that the markings are invisible or barely visible to the human eye and hardly differ in appearance from the endless label paper.
the markings are not visually disruptive.
the detector unit is arranged along the paper path before or after the print head.
the printer comprises a control unit which evaluates an output signal from the receiver of the detector unit.
the control unit uses the output signal to identify the positions of the areas without the adhesive layer on the endless label paper.
the control unit controls the endless label paper feed and the cutting device in such a way that a separation of a Labels are made with the cutting device in the adhesive layer-free area of the endless label paper.
control unit controls the printing process with the printing unit. In particular, the control unit controls the printing process based on the detected markings.
the detector unit comprises a second transmitter which emits light in the visible wavelength range.
the receiver of the detector unit receives the light of the second transmitter reflected on a continuous label paper.
control unit activates a paper feed during a startup phase until a label length of the endless label paper has been moved by a plurality of markings through the detector unit.
the control unit activates the first transmitter and deactivates the second transmitter while the endless label paper is moved through the detector unit and then the control unit activates the second transmitter and deactivates the first transmitter while the endless label paper is moved further through the detector unit.
the control unit determines on the basis of the receiver signal whether the first transmitter or the second transmitter is suitable for detecting the markings. In other words, in the startup phase, a test operation determines whether the markings can be detected using light from the first transmitter or light from the second transmitter.
the printing unit is a direct thermal printer or a thermal transfer printer.
a method for printing labels with a printer comprises the step of conveying a continuous label paper from a label roll from a holder of the label roll along a paper path to a printing unit.
the procedure comprises the step of emitting light in the UV wavelength range with a transmitter of a detector unit, the emitted light impinging on a defined area on a strip side of the conveyed endless label paper.
the method comprises the step of receiving light in the visible wavelength range with a receiver of the detector unit, the light in the visible wavelength range being produced from the emitted light in the UV wavelength range by fluorescence of an optical brightener that is applied to or integrated into the endless label paper .
the method comprises the step of evaluating with a control unit a receiver signal of the receiver of the detector unit and the step of detecting regular markings on the endless label paper with the control unit.
the step of evaluating the receiver signal of the receiver of the detector unit comprises receiving dark interruptions of a light signal while the endless label paper is conveyed along the detector unit.
the control unit detects a marking on the endless label paper at every dark interruption of the received light.
the method comprises the step of determining areas free of adhesive layer on the continuous label paper on the basis of the detected markings, the areas free of adhesive layer being attached transversely to the longitudinal direction of the continuous label paper and the continuous label paper in the area free of the adhesive layer with cutting lines for separating individual ones Has labels.
the endless label paper is printed by a printing unit during transport along the paper path and is cut off by a cutting device, which is arranged along the paper path downstream or upstream of the printing unit, in the area of the markings, i.e. in the area of the cutting lines.
the Figure 1 shows a label roll 1 in the form of a printable, liner-free, continuous label paper 2 (continuous strip), from which individual self-adhesive labels 3 can be separated, the continuous label paper 2 having a printable front-side strip surface 4 and a back-side strip surface 5 opposite this with an adhesive layer 6 so that the endless label paper 2 can be wound up into a roll 1, the endless label paper 2 being designed so that self-adhesive adhesive labels 3 can be separated at cutting lines 7 transversely to the longitudinal direction of the endless label paper 2, the cutting lines 7 on the
the reverse side of the strip are each surrounded by an area 8 free of adhesive layer, and markings 9 which can be detected from outside the continuous label paper 2 are attached to the rear side of the strip surface 5, which indicate the position of the areas 8 free of adhesive layer and whose detection is an automatic control of the Separation process allows.
the label roll 1 is characterized in that the rear surface of the strip 5 has an optical brightener contained in the strip material, integrated therein or applied to it, which transmits light around the UV wavelength range (approx. 100 nm to 380-400 nm) incident on the rear surface of the strip 5 Fluorescence is emitted as light in the visible wavelength range (approx. 380-400 nm to 750 nm), and that the detectable markings 9 contain UV light reflecting, absorbing, blocking or covering substances. The detectable markings 9 thus prevent light in the UV wavelength range from coming into contact with the optical brightener in the area of the detectable markings 9.
a sensor sensitive to light in the visible wavelength range receives an attenuated light signal in the visible wavelength range of the light emitted from the rear surface 5 of the strip from the vicinity of the markings 9.
the Figure 1 shows a schematic spatial representation of an example of a label roll 1 in which the width of an individual label corresponds to the width of the continuous label paper 2.
the ones in the Figures 1 and 2 The detectable markings 9 shown are each selected in a position directly adjacent to a cutting line 7.
the mark 9 indicates the cutting line 9.
the marking 9 is not visible or largely invisible in the visible wavelength range. This means that the marking has a low contrast in the visible wavelength range compared to the endless label paper.
the marking looks just as white to the human eye as the adhesive layer and the endless label paper itself. In contrast to the black markings on a white label base known to the person skilled in the art, which can be detected with a photodetector due to the high contrast, the almost invisible marking is not perceived as annoying by the human eye.
FIG. 3 shows a schematic representation of a printer 11 for printing labels.
the printer 11 comprises a holder 12 for a label roll 1.
the label roll 1 as in FIG Figure 1 shown consists of endless label paper 2.
the endless label paper 2 has a printable front-side strip surface 4 and a rear-side strip surface 5 opposite to this and is conveyed along a paper path 18.
the paper path 18 is defined by deflection rollers 18 from the holder 12 for the label roll 1 to a printing unit 15.
the printing unit 15 consists of at least one pressure roller 152 which is non-stick coated, so that the rear-side strip surface 5 of the endless label paper 2 with its adhesive layer 6 can be moved over the pressure roller 152.
the platen 152 is driven by a motor 153.
the printing unit also consists of a print head 151 arranged opposite the print roller 152.
the endless label paper 2 is moved between the print roller 152 and print head 151 along the paper path 18 to a cutting device 16.
the cutting device 16 consists of an upper knife 161 and a lower knife 162, at least one of which is movably arranged and can be moved towards the other knife in order to cut a label 3 from the endless label paper 2.
the cutting device 16 is downstream of the paper path 18 after Printing unit 15 arranged.
the label 3 is first printed and then cut off. However, it is just as possible for the cutting device 16 to be arranged upstream in front of the printing unit 15. The label 3 would then first be separated and only then printed.
the printer 11 further comprises a detector unit 14 in front of the printing unit 15 upstream of the paper path 18.
the detector unit 14 consists of a receiver 143 and at least one first transmitter 141.
the detector unit 14 also includes a second transmitter 142.
the first transmitter 141, the second The transmitter 142 and the receiver 143 are mutually arranged such that a light beam emitted by the first transmitter 141 or the second transmitter 142 crosses the paper path 18 at the point 144. If a continuous label paper 2 is present in the paper path 18, the light from the first transmitter 141 and the light from the second transmitter 142 hits the continuous label paper 2 at point 144. At this point, the light is reflected, absorbed or emitted at a different wavelength . The returning light then hits the receiver 143.
the receiver 143 is a receiver for light in the visible wavelength range (approx. 380-400 nm to 750 nm).
the first transmitter 141 is a transmitter which emits light in the UV wavelength range (approx. 100 nm to approx. 400 nm). This light strikes the endless label paper 2 at the point 144 and is emitted from the point 144 as light in the visible wavelength range in the direction of the receiver 142 due to the fluorescent effect of the optical brightening substance of the endless label paper 2. Is a mark 9 as in Figure 1 shown on the endless label paper 2 at the point of occurrence of the light, no or less light is emitted in the direction of the receiver.
the second transmitter 142 is a transmitter that emits light in the visible wavelength range (approx.
the printer 11 further comprises a control unit 17 which controls the printer 11.
the control unit 17 controls the paper feed of the endless label paper 2 along the paper path 18 via the motor 153, which drives the pressure roller 152.
the control unit 17 also controls the print head 151.
the control unit 17 also controls the cutting device 16 in order to separate a label 3 from the endless label paper 2.
the control unit 17 controls the first transmitter 141 and the second transmitter 142 and evaluates the received signal from the receiver 142 of the detector unit 14.
the control unit 17 also exercises further functions in connection with the control of the printer 11, which are known to the person skilled in the art and are not directly related to the invention.
the control unit 17 activates the motor 153 which drives the printing roller 152.
the paper feed of the endless label paper 2 along the paper path 18 is activated.
the paper feed remains activated at least until the endless label paper 2 is moved over several markings 9 by the detector unit 14.
the control unit 17 activates the first transmitter 141 and deactivates the second transmitter 142 while the endless label paper 2 is being moved through the detector unit 14.
the signal from the receiver 143 is evaluated.
the control unit 17 then activates the second transmitter 142 and deactivates the first transmitter 141 while the endless label paper 2 is moved further through the detector unit 14.
the signal from the receiver 143 is evaluated.
the control unit 17 determines on the basis of the receiver signal whether the first transmitter 141 or the second transmitter 142 is suitable for detecting the markings.
the receiver signal of the receiver 143 will, depending on the type of paper roll, only detect a periodic signal at one transmitter 141, 142, while an approximately constant signal is detected at the other transmitter 141, 142.
the transmitter 141, 142, in which the periodic signal is detected, is the transmitter 141, 142 suitable for detecting the markings.
DSP digital signal processor
ASIC application specific integrated circuit
FPGA field programmable gate array
ROM read only memory
RAM random access memory

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EP19163916.0A 2019-03-19 2019-03-19 Imprimante de papier d'étiquetage sans fin Active EP3711965B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP19163916.0A EP3711965B1 (fr)	2019-03-19	2019-03-19	Imprimante de papier d'étiquetage sans fin

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP19163916.0A EP3711965B1 (fr)	2019-03-19	2019-03-19	Imprimante de papier d'étiquetage sans fin

Publications (2)

Publication Number	Publication Date
EP3711965A1 true EP3711965A1 (fr)	2020-09-23
EP3711965B1 EP3711965B1 (fr)	2024-01-17

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ID=65904038

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19163916.0A Active EP3711965B1 (fr)	2019-03-19	2019-03-19	Imprimante de papier d'étiquetage sans fin

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EP (1)	EP3711965B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN117953764A (zh) *	2024-03-26	2024-04-30	武汉精臣智慧标识科技有限公司	一种连续纸标签、标签打印机及余量测算方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0575772A1 (fr) *	1992-06-19	1993-12-29	Esselte Meto International Produktions Gmbh	Imprimante thermique
US6585437B1 (en) *	1999-09-27	2003-07-01	Intermec Ip Corp.	Method and apparatus for reliable printing on linerless label stock
WO2012167806A1 (fr) *	2011-06-10	2012-12-13	Bixolon Europe Gmbh	Imprimante destinée à imprimer une bande revêtue de colle sur une face
WO2013092607A1 (fr) *	2011-12-22	2013-06-27	Bixolon Europe Gmbh	Rouleau destiné à une imprimante ainsi qu'imprimante équipée dudit rouleau
WO2014173998A1 (fr) *	2013-04-25	2014-10-30	Bizerba Gmbh & Co. Kg	Imprimante et support d'impression
EP3457388A1 (fr)	2017-09-19	2019-03-20	Bizerba Labels & Consumables GmbH	Rouleau d'étiquettes adhésives

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JP2002103286A (ja) *	2000-09-26	2002-04-09	Seiko Epson Corp	ロール紙及びプリンタ
JP2013043404A (ja) *	2011-08-25	2013-03-04	Toshiba Tec Corp	プリンタおよびプリンタの印字方法
JP6618182B2 (ja) *	2016-02-08	2019-12-11	株式会社東京化学研究所	プリンター用紙の真贋判定システム

2019
- 2019-03-19 EP EP19163916.0A patent/EP3711965B1/fr active Active

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0575772A1 (fr) *	1992-06-19	1993-12-29	Esselte Meto International Produktions Gmbh	Imprimante thermique
US6585437B1 (en) *	1999-09-27	2003-07-01	Intermec Ip Corp.	Method and apparatus for reliable printing on linerless label stock
WO2012167806A1 (fr) *	2011-06-10	2012-12-13	Bixolon Europe Gmbh	Imprimante destinée à imprimer une bande revêtue de colle sur une face
WO2013092607A1 (fr) *	2011-12-22	2013-06-27	Bixolon Europe Gmbh	Rouleau destiné à une imprimante ainsi qu'imprimante équipée dudit rouleau
WO2014173998A1 (fr) *	2013-04-25	2014-10-30	Bizerba Gmbh & Co. Kg	Imprimante et support d'impression
EP3457388A1 (fr)	2017-09-19	2019-03-20	Bizerba Labels & Consumables GmbH	Rouleau d'étiquettes adhésives

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN117953764A (zh) *	2024-03-26	2024-04-30	武汉精臣智慧标识科技有限公司	一种连续纸标签、标签打印机及余量测算方法
CN117953764B (zh) *	2024-03-26	2024-06-25	武汉精臣智慧标识科技有限公司	一种连续纸标签、标签打印机及余量测算方法

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Publication number	Publication date
EP3711965B1 (fr)	2024-01-17

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