FR2644149A1 - Novel devices for tensioning double-sided adhesive tapes in order to facilitate bonding them in segments - Google Patents

Novel devices for tensioning double-sided adhesive tapes in order to facilitate bonding them in segments Download PDF

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Publication number
FR2644149A1
FR2644149A1 FR8903435A FR8903435A FR2644149A1 FR 2644149 A1 FR2644149 A1 FR 2644149A1 FR 8903435 A FR8903435 A FR 8903435A FR 8903435 A FR8903435 A FR 8903435A FR 2644149 A1 FR2644149 A1 FR 2644149A1
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France
Prior art keywords
rods
rollers
electromagnets
double
tapes
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Granted
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FR8903435A
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French (fr)
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FR2644149B1 (en
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Priority to FR8903435A priority Critical patent/FR2644149B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/04—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/0013—Article or web delivery apparatus incorporating cutting or line-perforating devices and applying the article or the web by adhesive to a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/812—Applying tabs, patches, strips or strings on blanks or webs
    • B31B50/8125—Applying strips or strings, e.g. tear strips or strings
    • B31B50/8126—Applying strips or strings, e.g. tear strips or strings parallel to the direction of movement of the webs or the blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/812—Applying tabs, patches, strips or strings on blanks or webs
    • B31B50/8125—Applying strips or strings, e.g. tear strips or strings
    • B31B50/8129—Applying strips or strings, e.g. tear strips or strings the webs or blanks moving during application of the strips or strings

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Making Paper Articles (AREA)

Abstract

The invention relates to novel devices making it possible to improve the operation of machines for bonding double-sided tapes. This machine comprises rollers 3 for entraining the cards (boards) 10, flat, and sliding rods 6 which cause, depending on whether they are in the top or bottom position, the cutting-off or the application of the double-sided adhesive tapes coming from rollers 13. The arrangements presently claimed essentially comprise two rods 16 which can be moved vertically by an electromagnet 18. The ends of these rods 16 may be housed in the teeth 15 of two wheels 14 fastened to the rollers 13. The sudden stopping of the rotation of the rollers 13 causes very-high upstream tensioning of the tapes which, moreover, also experience a downstream tension due to the effect of the rollers 3, which leads to a sudden lifting of the tapes at 12 and, consequently, cutting-off without difficultly against the fixed blades 5.

Description

NOUVEAUX DISPOSITIFS DE MISE EN TENSION
DES RUBANS ADHÉSIFS DOUBLE FACE POUR FACILITER
LEUR COLLAGE PAR SEGMENTS
La présente invention concerne de nouveaux dispositifs pour la mise en tension des rubans adhésifs double face, ce qui facilite leur collage par segment.NEW TENSIONING DEVICES
DOUBLE SIDED ADHESIVE TAPES TO FACILITATE
THEIR BONDING BY SEGMENTS
The present invention relates to new devices for tensioning double-sided adhesive tapes, which facilitates their bonding by segment.

Les dispositifs envisagés permettront d'améliorer le fonctionnement de la machine à coller ces rubans sur des découpes de carton, laquelle a fait l'objet d'un dépot de brevet français en date du 13 juin 1988 sous le Numéro 88.08044. The envisaged devices will improve the operation of the machine for gluing these ribbons on cardboard blanks, which was the subject of a French patent filing dated June 13, 1988 under number 88.08044.

Il est rappelé que cette machine comporte, de l'amont vers l'aval, les éléments ci-après 1/ Deux axes horizontaux sur lesquels sont fixés des rouleaux de ruban double face qui pewent tourner en étant légèrement freinés afin d'être soumis à une légère tension à l'amont. Le frein utilisé peut être un frein à machoire ou à disque. It is recalled that this machine comprises, from upstream to downstream, the following elements 1 / Two horizontal axes on which are fixed rolls of double-sided tape which can turn while being slightly braked in order to be subjected to a slight tension upstream. The brake used can be a jaw or disc brake.

2/ Deux tiges verticales actionnées vers le haut ou vers le bas par deux électro-aimants à double ou à simple effet. Ces tiges verticales comportent, à leur partie inférieure, -un cylindre horizontal ou une roulette destinée à appliquer le ruban double face sur son support (emballage en carton ondule par exemple).2 / Two vertical rods actuated up or down by two double or single acting electromagnets. These vertical rods comprise, at their lower part, a horizontal cylinder or a roller intended for applying the double-sided tape to its support (packaging in corrugated cardboard for example).

3/ À l'aval de ces applicateurs, deux lames coupantes fixes, triangulaires, inclines à 30 environ vers l'amont. Ces lames sont situées de 1 à 3 centimètres environ après les cylindre ou les roulettes.3 / Downstream of these applicators, two fixed, triangular cutting blades, inclined approximately 30 upstream. These blades are located from 1 to 3 centimeters approximately after the cylinder or the rollers.

4/ Deux rouleaux horizontaux actionnés par un moteur électrique. Ces rouleaux sont destinés à entrainer les découpes de carton vers l'aval.4 / Two horizontal rollers activated by an electric motor. These rollers are intended to drive the cardboard cuts downstream.

5/ Un système de deux cellules électriques provoquent la montée et la descente des tiges applicatrices des rubans suivant la position de la découpe du carton, en agissant sur les deux électro-aimants en les mettant sous tension ou en provoquant leur mise hors circuit.5 / A system of two electric cells causes the applicator rods of the ribbons to rise and fall according to the position of the cardboard cut-out, by acting on the two electromagnets by turning them on or causing them to be switched off.

Le fonctionnement de la machine se fait comme suit - L'opérateur presente une découpe de carton ondulé ou compact qui est prise par les rouleaux d'entrainement. Une des deux cellules, excitée par un bord de la découpe, provoque l'abaissement des tiges applicatrices qui plaquent et collent le ruban sur le carton. La deuxième cellule, placée au-delà de la première, est à son tour excitée par le bord du carton. Cette deuxième cellule provoque alors le soulèvement des deux tiges applicatrices. L'extrémité amont des rubans double face se soulève et vient en contact avec la lame. Ils sont alors sectionnés. Ce système permet d'apposer convenablement des rubans double face sur les plaques de carton ondulé à des cadences de 500 à l'heure environ. The machine works as follows - The operator presents a cut of corrugated or compact cardboard which is taken up by the drive rollers. One of the two cells, excited by an edge of the cutout, causes the lowering of the applicator rods which press and stick the tape on the cardboard. The second cell, placed beyond the first, is in turn excited by the edge of the carton. This second cell then causes the two applicator rods to rise. The upstream end of the double-sided tapes lifts and comes into contact with the blade. They are then sectioned. This system makes it possible to affix double-sided tapes properly on corrugated cardboard at rates of around 500 per hour.

Toutefois, lorsque la vitesse de rotation des rouleaux d'entraIne- ment est très rapide, la tension amont des rubans provoquée par les freins à disques ou à mâchoires dont il est fait mention ci-dessus n'est pas suffisante pour permettre un sectionnement parfaitement régulier. Les lames glissent parfois de 1 à 2 centimètres avant sectionnement. However, when the speed of rotation of the drive rollers is very fast, the upstream tension of the ribbons caused by the disc or jaw brakes mentioned above is not sufficient to allow cutting perfectly. regular. The blades sometimes slip from 1 to 2 centimeters before cutting.

Les dispositifs faisant l'objet de la présente demande de brevet permettront : 1/ De réaliser des sectionnements réguliers des rubans toujours au meme endroit du carton. The devices which are the subject of this patent application will make it possible: 1 / to carry out regular sectioning of the ribbons always at the same place on the carton.

2/ D'utiliser la machine à poser les rubans déposée en France sous le N" 88,08044 à très grande vitesse. La cadence de fabrication pourra âtre facilement doublée.2 / To use the machine to lay the ribbons deposited in France under the number 88,08044 at very high speed. The production rate can easily be doubled.

Les éléments ci-dessus sont complétés par les dispositifs présente ment revendiqués et caractérisés en ce qu'ils comprennent 1/ Deux roues dentées verticales solidaires des élements pouvant tourner sur des axes horizontaux et supportant les rouleaux d'adhésif double face. The above elements are completed by the devices presently claimed and characterized in that they comprise 1 / Two vertical toothed wheels integral with the elements which can rotate on horizontal axes and supporting the rolls of double-sided adhesive.

2/ Deux tiges droites qui peuvent coulisser dans des guides verticaux.2 / Two straight rods which can slide in vertical guides.

Ces tiges peuvent venir s'imbriquer dans les dents de la roue.These rods can come to nest in the teeth of the wheel.

3/ Deux électro-aimants à simple effet peuvent exercer chacun une poussée sur les tiges précitées de façon à ce que leur extrémité puisse venir se loger dans les dents de la roue.3 / Two single-acting electromagnets can each exert a thrust on the aforementioned rods so that their ends can be housed in the teeth of the wheel.

4/ Un montage électrique qui permet aux deux cellules électriques placées à l'aval de la machine de provoquer en même temps, en agissant sur les deux électro-aimants amont et les deux électro-aimants aval, l'abaissement puis ensuite en même temps le soulèvement des tiges applicatrices et des tiges amont se logeant dans la roue dentée.4 / An electrical assembly which allows the two electrical cells placed downstream of the machine to cause at the same time, by acting on the two upstream electromagnets and the two downstream electromagnets, lowering and then at the same time the lifting of the applicator rods and the upstream rods which are housed in the toothed wheel.

Ces dispositifs revendiqués permettront de provoquer un arrêt brutal de la rotation des roues dentées et par suite l'arrêt brutal des rouleaux de ruban double face qui sont solidaires des roues dentées. These claimed devices will cause a sudden stop of the rotation of the toothed wheels and consequently the sudden stop of the rolls of double-sided tape which are integral with the toothed wheels.

Ceci entraînera une tension très forte à L'amont et empêchera tout risque de glissement des rubans.This will cause a very strong tension upstream and will prevent any risk of slipping of the ribbons.

Les sectionnements se feront alors régulièrement toujours au même endroit de la découpe même si la vitesse de la machine est très rapide. The cutting will then be done regularly always at the same place of the cut even if the speed of the machine is very fast.

Les dessins schématiques ci-joint permettront de bien comprendre l'invention. The attached schematic drawings will allow a good understanding of the invention.

Le dessin 1 représente la machine vue de côté.  Drawing 1 shows the machine seen from the side.

Le dessin 2 représente la machine vue de dessus. Drawing 2 represents the machine seen from above.

Le dessin 1 comporte d'abord des éléments connus et revendiqués antérieurement par. le brevet français Ne 88.08044 et qui sont - Les rouleaux de ruban adhésif (13), les rubans (11) qui peuvent se soulever en (12). Deux tiges (6) peuvent être soulevée en (7) grace à l'action des électro-aimants (8). Deux guides (9) maintiennent les rubans (11). Deux lames fixes (5) permettent le sectionnement des rubans (11) lorsqu'ils se soulèvent en (12). La découpe de carton (10) est en trainée par les rouleaux (3) mus par le moteur (4). Drawing 1 first comprises elements known and previously claimed by. French patent Ne 88.08044 and which are - Rolls of adhesive tape (13), ribbons (11) which can be lifted at (12). Two rods (6) can be raised at (7) thanks to the action of the electromagnets (8). Two guides (9) hold the ribbons (11). Two fixed blades (5) allow the cutting of the ribbons (11) when they are raised in (12). The cardboard blank (10) is dragged by the rollers (3) driven by the motor (4).

Enfin, les cellules (2) et (1) sont excitées successivement par le passage de la découpe (10). La cellule (2), la première excitée, provoquera la chute des tiges (6) et ensuite la cellule (1) provoquera une levée des tiges (6) en (7). Finally, the cells (2) and (1) are successively excited by the passage of the cutout (10). The cell (2), the first excited, will cause the rods (6) to fall and then the cell (1) will cause the rods (6) to lift in (7).

Le dessin schématique 1 comporte ensuite les dispositifs, à savoir 1/ Deux roues dentées (14) qui présentent des dents (15) sur leur périphérie. The schematic drawing 1 then comprises the devices, namely 1 / Two toothed wheels (14) which have teeth (15) on their periphery.

2/ Deux tiges coulissantes (16) verticales dont les extrémités peuvent venir se loger dans les dents (15) de la roue (14).2 / Two vertical sliding rods (16), the ends of which can be received in the teeth (15) of the wheel (14).

3/ Deux électro-aimants (18) peuvent exercer une poussée sur les tiges (16) qui, coulissant dans les deux guides (17), viennent se loger dans les dents (15), ce qui provoque l'arrêt brutal de la rotation du rouleau et par suite entraine une forte tension à l'amont.3 / Two electromagnets (18) can exert a thrust on the rods (16) which, sliding in the two guides (17), are housed in the teeth (15), which causes the rotation to stop suddenly of the roller and consequently causes a strong tension upstream.

4/ Un montage électrique qui permettra aux deux cellules (1) et (2) de provoquer en meme temps le soulèvement, puis, toujours en meme temps, l'abaissement des éléments (16) et (6). Par exemple, la première cellule excitée, soit la (2), provoquera l'abaissement en meme temps de (16) et de (6). Ensuite, la cellule (1) provoquera en même temps le soulèvement de (16) et de (6). 4 / An electrical assembly which will allow the two cells (1) and (2) to simultaneously cause the lifting, then, always at the same time, the lowering of the elements (16) and (6). For example, the first excited cell, (2), will cause (16) and (6) to decrease at the same time. Then, the cell (1) will simultaneously cause the lifting of (16) and (6).

Sur la figure 2 représentant la machine vue de dessus, on voit qu'il y a deux tiges (6) permettant la pose de deux rubans double face, chacun sur le bord d'un rabat transversal. In Figure 2 showing the machine seen from above, we see that there are two rods (6) allowing the installation of two double-sided tapes, each on the edge of a transverse flap.

La cellule électrique (2) excitée par un bord (19) du carton mettra hors circuit en meme temps les électro-aimants (18) et (8) ce qui provoquera l'abaissement des tiges (6) et (16) qui tomberont sous 1'ef- fet de leur propre poids, ce qui permettra de plaquer les rubans sur le carton -
Ensuite la cellule (1), placée à l'aval de la cellule (2), sera excitée à son tour par le bord (20) du carton La cellule (2) mettra alors en même temps sous tension les électro-aimants (18) et (8), ce qui provoquera le soulèvement de (16) et de (6).The electric cell (2) excited by an edge (19) of the cardboard will simultaneously deactivate the electromagnets (18) and (8) which will cause the lowering of the rods (6) and (16) which will fall under The effect of their own weight, which will allow the ribbons to be pressed onto the cardboard -
Then the cell (1), placed downstream of the cell (2), will in turn be excited by the edge (20) of the carton. The cell (2) will then energize the electromagnets (18) ) and (8), which will cause uplift of (16) and (6).

Les rubans viendront alors en (12) au contact des lames (5) par suite des tensions amont et aval. Il seront donc sectionnés à ce moment. L'écartement prévu entre (6) et (5) (de 1 à 3 centimètres) sera suffisant pour que les bouts derubans puissent être repris facilement par les tiges (6) en s'abaissant. The ribbons will then come into (12) in contact with the blades (5) due to the upstream and downstream tensions. They will therefore be sectioned at this time. The space provided between (6) and (5) (from 1 to 3 centimeters) will be sufficient so that the ends of the ribbons can be easily taken up by the rods (6) by lowering.

La présente demande de brevet s'applique bien entendu à toutes les dispositions qui ne seraient que des équivalents techniques.  The present patent application naturally applies to all provisions which are only technical equivalents.

Claims (1)

REVENDICATION Unique : Nouveaux dispositifs de mise en tension des rubans adhésifs double face pour améliorer le fonctionnement d'une machine à coller ces rubans sur des découpes en carton. Cette machine comprendra tout d'abord des éléments connus ayant fait l'objet du brevet français No 88.08044 en date du 13 juin 1988. Ces éléments connus comprennent, de l'aval vers l'amont - Deux cellules électriques (1) et (2). - Deux rouleaux d'entraînement (3) actionnés par un moteur (4). - Deux lames fixes (5). - Deux tiges applicatrices (6) pouvant être levées en (7) par l'action de la cellule électrique (1) agissant sur des électro-aimants (8) et abaissées lorsque la cellule électrique (2) met hors circuit ces mêmes électro-aimants. - Deux éléments (9) qui guident les rubans double face (11). - Deux rouleaux de ruban (13) légèrement retenu par un frein classique, c'est-à-dire à machoire ou à disque. La machine comprendra en outre les dispositifs revendiqués dans la présente demande caractérisés en ce qu'ils seront constitués, de l'amont vers l'aval, par a) Deux roues (14) solidaires des rouleaux adhésifs (13) et dont la périphérie comportera des dents (15) dans lesquelles pourront venir se loger l'extrémité des tiges (16). b) Deux tiges (16) pouvant coulisser verticalement dans deux guides (17). Les extrémités de (16), biseautées, pourront venir se loger dans les dents (15) de la roue (14).Unique CLAIM: New devices for tensioning double-sided adhesive tapes to improve the operation of a machine for gluing these tapes on cardboard blanks. This machine will firstly include known elements which have been the subject of French patent No 88.08044 dated June 13, 1988. These known elements include, from downstream to upstream - Two electric cells (1) and (2 ). - Two drive rollers (3) activated by a motor (4). - Two fixed blades (5). - Two applicator rods (6) which can be raised at (7) by the action of the electric cell (1) acting on electromagnets (8) and lowered when the electric cell (2) switches off these same electro- magnets. - Two elements (9) which guide the double-sided ribbons (11). - Two rolls of tape (13) slightly retained by a conventional brake, that is to say with jaw or disc. The machine will also include the devices claimed in the present application, characterized in that they will consist, from upstream to downstream, by a) Two wheels (14) integral with the adhesive rollers (13) and the periphery of which will comprise teeth (15) in which can be accommodated the end of the rods (16). b) Two rods (16) which can slide vertically in two guides (17). The ends of (16), bevelled, can be received in the teeth (15) of the wheel (14). c) Deux électro-aimants (18) du type poussant pourront mouvoir les tiges (16) jusqu'à ce que leur extrémité supérieure se loge dans les dents (15). c) Two electromagnets (18) of the pushing type can move the rods (16) until their upper end is housed in the teeth (15). d) Un montage électrique qui permettra aux cellules électriques (1) d'entraîner la remontée, en même temps, de (16) et de (6) en provoquant la mise sous tension des électro-aimants (8) et (18). d) An electrical assembly which will allow the electrical cells (1) to cause the ascent of (16) and (6) at the same time by causing the electromagnets (8) and (18) to be energized. - Ce montage permettra également aux cellules électriques (2) placées à /dr7dnrge (1) de provoquer la descente, en même temps, des éléments (6) et de (16) en mettant hors circuit les électro-aimants (18) et (8). - This assembly will also allow the electrical cells (2) placed at / dr7dnrge (1) to cause the descent, at the same time, of the elements (6) and of (16) by switching off the electromagnets (18) and ( 8).
FR8903435A 1989-03-13 1989-03-13 NEW DEVICES FOR TENSIONING DOUBLE-SIDED ADHESIVE TAPES TO FACILITATE THEIR SEGMENT BONDING Expired - Fee Related FR2644149B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8903435A FR2644149B1 (en) 1989-03-13 1989-03-13 NEW DEVICES FOR TENSIONING DOUBLE-SIDED ADHESIVE TAPES TO FACILITATE THEIR SEGMENT BONDING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8903435A FR2644149B1 (en) 1989-03-13 1989-03-13 NEW DEVICES FOR TENSIONING DOUBLE-SIDED ADHESIVE TAPES TO FACILITATE THEIR SEGMENT BONDING

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FR2644149A1 true FR2644149A1 (en) 1990-09-14
FR2644149B1 FR2644149B1 (en) 1993-06-11

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FR8903435A Expired - Fee Related FR2644149B1 (en) 1989-03-13 1989-03-13 NEW DEVICES FOR TENSIONING DOUBLE-SIDED ADHESIVE TAPES TO FACILITATE THEIR SEGMENT BONDING

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004021622B3 (en) * 2004-05-03 2005-09-22 Koenig & Bauer Ag Self adhesive tape dispenser for packaging station has roller moving along the tape

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2203977A (en) * 1937-04-07 1940-06-11 Bennett Arthur Automatic tape-applying machine
EP0270736A1 (en) * 1986-11-18 1988-06-15 Capitol Trading S.A. Portable dispenser for applying a transfer adhesive

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2203977A (en) * 1937-04-07 1940-06-11 Bennett Arthur Automatic tape-applying machine
EP0270736A1 (en) * 1986-11-18 1988-06-15 Capitol Trading S.A. Portable dispenser for applying a transfer adhesive

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004021622B3 (en) * 2004-05-03 2005-09-22 Koenig & Bauer Ag Self adhesive tape dispenser for packaging station has roller moving along the tape

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Publication number Publication date
FR2644149B1 (en) 1993-06-11

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