EP0846621A1 - Vorrichtung zum Anbringen eines Papierklebestreifens auf einer zu schliessenden Schachtel - Google Patents

Vorrichtung zum Anbringen eines Papierklebestreifens auf einer zu schliessenden Schachtel Download PDF

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Publication number
EP0846621A1
EP0846621A1 EP96203388A EP96203388A EP0846621A1 EP 0846621 A1 EP0846621 A1 EP 0846621A1 EP 96203388 A EP96203388 A EP 96203388A EP 96203388 A EP96203388 A EP 96203388A EP 0846621 A1 EP0846621 A1 EP 0846621A1
Authority
EP
European Patent Office
Prior art keywords
paper tape
gummed paper
roll
pair
rolls
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.)
Withdrawn
Application number
EP96203388A
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English (en)
French (fr)
Inventor
Hermann Ewald Franz Kuhl
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.)
Connex Beheer BV
Original Assignee
Connex Beheer BV
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.)
Filing date
Publication date
Application filed by Connex Beheer BV filed Critical Connex Beheer BV
Priority to EP96203388A priority Critical patent/EP0846621A1/de
Publication of EP0846621A1 publication Critical patent/EP0846621A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/06—Applying adhesive tape
    • B65B51/067—Applying adhesive tape to the closure flaps of boxes

Definitions

  • the invention relates to an apparatus for applying gummed paper tape to a box to be closed, containing:
  • Suchlike apparatusses are used for manually, half-automatically and fully-automatically applying gummed paper tape to a box to be closed.
  • the moistening unit for moistening the layer of adhesive applied to the gummed paper tape contains a brush, which is brought into contact with a moistening agent, such as water.
  • a moistening agent such as water.
  • the disadvantage of known apparatusses is that after a relatively short period of use, however, the moistening unit does not work well because the brush is not sufficiently saturated with moistening agent. As a result the gummed paper tape does not adhere adequately to the box. In order to remedy this problem, the apparatus has to be stopped and the defect put right.
  • gummed paper tape for closing a box has the disadvantage that gummed paper tape starts curling up in an uncontrolled manner after moistening the adhesive layer applied to that, so that applying gummed paper tape to the box takes place in a non-reproducible way.
  • an object of the present invention to provide an apparatus for applying gummed paper tape to a box to be closed, in which the apparatus has a better moistening unit with regard to the known apparatusses and the gummed paper tape can be applied in a reproducible manner to the box.
  • the moistening unit contains a control device for keeping the height of the moistening agent constant. It is thus ensured that for each amount of moistening the holder contains in all cases exactly enough moistening agent, such as water, for moistening the gummed paper tape.
  • a preferred embodiment of the apparatus according to the invention is characterized in that the moistening unit contains a heating device for keeping the moistening agent at a constant temperature. Because the degree of adherence of the gummed paper tape on the box to be closed depends on the temperature, an ideal adherence can be obtained through the heating device.
  • one of the rolls is preferably driven.
  • the driven roll is the roll which is rotatable in the holder.
  • pressure force is adjustable, then for each type of gummed paper tape, for example of variable thickness or weight of the gummed paper tape, an optimal moistening can be fixed.
  • the roll which is rotatable in the holder is a hard roll, preferably made of aluminium, and provided with circumferential grooves.
  • the circumferential grooves serve to receive the moistening agent from the holder and to deliver it to the gummed paper tape.
  • the roll which is rotatable in the holder comprises a foam rubber roll.
  • gummed paper tape has the disadvantage that when the gummed paper tape has been wound off a supply roll, the rolled-off gummed paper tape starts to curl up. When the gummed paper tape has been moistened, the degree of curling up increases. Conversely gummed paper tape is much cheaper than foil tape and the degree of adherence to a box to be closed, made, for example of recycled cardboard, is also several times higher.
  • the invention provides an apparatus through which the gummed paper tape can be transported without it curling up, which contributes to an undisturbed functioning of the apparatus.
  • the holder is preferably provided with a scraper in order to prevent curling up of the moistened gummed paper tape around the rotatable roll in the holder.
  • a further prefered embodiment of the apparatus according to the invention is characterized in that the transporting and guiding unit is provided with:
  • the second pair of rolls of the transporting and guiding unit is formed by the pair of rolls of the moistening unit, so that less parts are needed.
  • the roll of the first pair and the roll of the second pair are jointly driven.
  • the diameter of the driven roll of the second pair is larger than the diameter of the driven roll of the first pair.
  • the diameter of the driven roll of the second pair is 1.5 mm larger than the diameter of the driven roll of the first pair.
  • the applying unit comprises a smooth roll, which is preferably rotatable in one direction only, so as to apply the gummed paper tape to a defined place on the box to be closed.
  • Figure 1 schematically shows a side view and figure 2 schematically shows a front view of an apparatus for applying gummed paper tape to a box 5 to be closed.
  • the apparatus is mounted to a fixed frame 1, although it is clear that the apparatus can also be movably mounted.
  • a transport means 2 for transporting the box 5 to be closed through the apparatus is mounted to the frame.
  • the transport means 2 is a roll conveyor, although one or more conveyor belts or wire mesh conveyors can be used.
  • the box 5 is confined in a lateral direction by two side guiding conveyors 3.
  • These side guiding conveyors can each contain a conveyor belt, which can be compressed in a lateral direction by the box 5 so as to obtain good centering and good transport.
  • additional side guides 4 for example in the shape of rolls, are used.
  • the distance between the side guiding conveyors 3 is adjustable so as to receive boxes of different widths. The distance is adjustable between 120 and 600 mm, for instance.
  • the apparatus contains a supporting unit 6 for supporting a roll of gummed paper tape 7.
  • the gummed paper tape 7 can be of a variety of gummed paper tape types, and has a width of 48 - 80 mm, for example, a weight of approximately 60 - 100 g/m 2 , and the weight can be even lesser or greater.
  • the apparatus contains a housing 9 in which a transporting and guiding unit, a cutting unit, a moistening unit and an applying unit are accomodated.
  • the supporting unit 6 and the housing 9 are movably attached in height with regard to the transport means 2 to a bar 8 mounted to the frame 1. The height is adjustable between 140 - 550 mm, for example.
  • the supporting unit 6 and the housing 9 are used for closing the box 5 at the top.
  • an additional housing 9' and an additional supporting unit 6' for a roll of gummed paper tape 7' can be mounted to the frame.
  • the inventive units of the apparatus according to the invention will henceforth be described on the basis of units for closing the top of a box 5.
  • the units for closing the bottom of a box are analogous hereto, as can be seen in figure 4, and only the differences from the units for top closure of the box 5 will be discussed, where necessary.
  • a box 5 to be closed can be moved continuously through the apparatus, in which the box 5, passing a particular place, and being detected, for instance, by a photo sensor, activates the action of the units for applying the gummed paper tape 7 to the box 5, such that there is a flap of a specified length between the applying unit and the box at the moment a box reaches the applying unit.
  • the transport of the box 5 on the transport means 2 can be interrupted for a short while, so that gummed paper tape 7 has enough time to adhere well to the material of the box 7.
  • the box 10 After having passed through the apparatus, the box 10 will be closed at the top as well as at the bottom by a strip of gummed paper tape 11 and 12, respectively.
  • FIG 3 the inventive units of an apparatus according to the invention are schematically shown in cross section.
  • the supporting unit 6 is provided with a shaft on which a roll of gummed paper tape 7 is arranged and is mounted in its entirety to a bar 31. Via a guiding roll 14, which is mounted to a swivelling arm 32 and via fixed guiding rolls 15 and 16 the gummed paper tape 7, unwound from the roll, is brought into an almost vertical path which eventually ends at the front of the box 5.
  • a brake band 13 is attached on the one hand to a fixed point 33 and on the other hand to the swivelling arm 32, and surrounds the shaft of the supporting unit 6.
  • a transport unit to be described below draws off gummed paper tape from the roll, on account of the tension in the gummed paper tape 7 the swivelling arm 32 is lifted up and the shaft of the supporting unit 6 and with it the gummed paper tape can rotate freely.
  • the swivelling arm 32 then descends and consequently presses the brake band 13 against the shaft of the supporting unit 6, as a result of which the latter stops so that the gummed paper tape 7 is kept taut.
  • the gummed paper tape 7 comes in between a pair of guiding jaws 17 and 17', which ensures a flat, that is a non-curling guidance of the gummed paper tape 7.
  • Each guiding jaw 17, 17' is provided with one or more recesses 19, 19'.
  • a first pair of rolls 18, 18' is placed on both sides of the path 30 of the gummed paper tape, each roll 18, 18' projecting through the recess 19, 19' of the corresponding guiding jaw 17, 17' to the gummed paper tape 7.
  • the rolls 18, 18' can be pressed against each other with a specified pressure force, in order to transport the gummed paper tape 7 properly.
  • the pressure force is adjustable, so as to set the right pressure force for every type of gummed paper tape.
  • the adjustability of the pressure force is schematically shown in figure 3 by an adjustable, spring-loaded suspension 28 of the roll 18 in the housing 9.
  • Each roll of the first pair comprises at least two adjacently placed smooth synthetic or rubber rolls, which are spaced from each other, each smooth roll projecting through its own recess in the corresponding guiding jaw. Yet another part of the guiding jaw is present between each recess, so that wide gummed paper tape can also be transported by the guiding jaws 17, 17' without curling up.
  • One of the rolls of the first pair is intermittently driven by a drive, for example a pneumatic motor 21.
  • the guiding jaws 17, 17' project downwards over an adequate length, so as to guide the gummed paper tape 7 properly to a cutting unit 20, 20'.
  • the cutting unit comprises a fixed knife blade 20' and a movable knife blade 20, which are located on both sides of the path 30 of the gummed paper tape 7.
  • the moistening unit for moistening the adhesive or gum layer of the gummed paper tape 7 underneath the cutting unit.
  • the moistening unit is provided with two rolls 24, 26 placed on both sides of the path 30 of the gummed paper tape 7, and the rolls 24, 26 can be pressed together with a specified pressure force.
  • the moistening unit is morever provided with a holder 23 for containing a moistening agent 25, such as water, to a specified height, for instance.
  • One of the rolls, roll 24 in the example given in figure 3 is rotatably mounted in the holder 23 and is in contact with the moistening agent 25 as well as with the gummed paper tape 7, for moistening the gummed paper tape. Because the moistening is carried out by a roll, moistening the gummed paper tape not only appears to be very uniform, but a very large length of more than 2 km gummed paper tape can be moistened without the degree of moistening changing, too.
  • the pressure force between the rolls of the moistening unit is preferably adjustable. This is schematically shown in figure 3 in that roll 26 is adjustably mounted in a spring-loaded fashion 27 to the housing 9.
  • the moistening unit further contains a control device for keeping the height of the moistening agent 25 in the holder 23 constant, so that there is always enough agent 25 at hand to guarantee a proper moistening, without the holder having to be exceptionally large.
  • the moistening unit is provided with a heating device for keeping the moistening agent 25 at a constant temperature.
  • the temperature of the agent 25 is almost insensitive to varying ambient conditions, as a result of which a reproducible adhesion of the gummed paper tape 7 to the box to be closed can be obtained.
  • the transport of the gummed paper tape through the moistening unit takes place properly in all cases, for instance without the gummed paper tape tearing if one of the rolls 24, 26 is driven, preferably the roll 26 which is rotatable in the holder 23.
  • advantageous use can be made of the drive 21 of the driven roll of the first pair of the transporting and guiding unit.
  • the moistening unit in fact forms a part of the transporting and guiding unit.
  • the transporting and guiding unit contains a second pair of rolls placed under the cutting unit 20, 20' and on both sides of the path 30 of the gummed paper tape.
  • One of the rolls of the second pair is then intermittently driven by a drive, for example a pneumatic motor.
  • a drive for example a pneumatic motor.
  • the driven rolls are driven jointly by one motor 21 in order to obtain a highly synchronized transport.
  • the driven rolls are preferably rotatable in one direction only.
  • the diameter of the driven roll of the moistening unit is 1.5 mm larger than the diameter of the driven roll of the first pair.
  • the driven rolls of the first pair and the moistening unit can have an equal diameter, the driven roll of the moistening unit being driven at a higher velocity than that of the first pair.
  • a hard roll provided with circumferential grooves is provided as a roll for moistening the gummed paper tape, preferably a roll of stainless steel material, such as aluminium, or a roll of foam rubber being extremely appropriate, although other rolls can be used.
  • a foam rubber roll is used, then a proper transport of the gummed paper tape through the moistening unit is guaranteed, irrespective of the type of foam rubber, if the roll placed in the holder comprises two foam rubber rolls with a synthetic or rubber ring therebetween.
  • the holder In order to prevent the moistened gummed paper tape 7 from curling around the moistening roll 24, the holder is provided with a scraper 34.
  • the scraper is integrated in the base of the holder 25, for instance.
  • the moistening unit that is intended for moistening gummed paper tape for bottom of a box there is a scraper above the moistening roll.
  • An applying unit is located underneath the moistening unit, which comprises a smooth roll 29 rotatable preferably in one direction only, which presses the gummed paper tape 7 against a box 5 to be closed.
  • the activation of the apparatus, through a box passing a specified place, is such that the intermittent drive draws off enough gummed paper tape from the roll, that a flap with a specified length is transported between the roll 29 and the box 5, which flap is pressed against the box.
  • the length of the flap can be adjusted by the degree of intermittent drive.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP96203388A 1996-12-04 1996-12-04 Vorrichtung zum Anbringen eines Papierklebestreifens auf einer zu schliessenden Schachtel Withdrawn EP0846621A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP96203388A EP0846621A1 (de) 1996-12-04 1996-12-04 Vorrichtung zum Anbringen eines Papierklebestreifens auf einer zu schliessenden Schachtel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96203388A EP0846621A1 (de) 1996-12-04 1996-12-04 Vorrichtung zum Anbringen eines Papierklebestreifens auf einer zu schliessenden Schachtel

Publications (1)

Publication Number Publication Date
EP0846621A1 true EP0846621A1 (de) 1998-06-10

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Family Applications (1)

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EP96203388A Withdrawn EP0846621A1 (de) 1996-12-04 1996-12-04 Vorrichtung zum Anbringen eines Papierklebestreifens auf einer zu schliessenden Schachtel

Country Status (1)

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EP (1) EP0846621A1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1544112A1 (de) * 2003-12-17 2005-06-22 MARCHETTI, Antonio Vorrichtung zum Regulieren des Druckes einer Klebestreifen-Anbringeinheit auf eine Schachtel in einer Anbringmaschine für Klebestreifen
DE102008027963A1 (de) * 2008-06-12 2010-02-04 Josef Gack Vorrichtung zum automatischen Abziehen und Ablängen von Klebebandabschnitten
CN101279650B (zh) * 2007-04-02 2010-06-16 三星电子株式会社 封箱及打包装置
CN102975899A (zh) * 2012-12-07 2013-03-20 广东机电职业技术学院 一种气动式封箱机
ITMO20110305A1 (it) * 2011-11-28 2013-05-29 Process S R L Apparato per nastrare contenitori
CN103395516A (zh) * 2013-08-02 2013-11-20 昆山康佳电子有限公司 具有自动封箱和打钉功能的一体化装置
CN108046020A (zh) * 2018-01-16 2018-05-18 安费诺电子装配（厦门）有限公司 一种线材自动对贴胶纸设备
CN112429348A (zh) * 2020-10-30 2021-03-02 昕迪精密机械（东莞）有限公司 贴纸上料机构
CN112938035A (zh) * 2021-03-25 2021-06-11 杭州彬特智能设备有限公司 一种自动封箱机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721669A (en) * 1950-04-21 1955-10-25 Clifford D Keely Machine for applying gummed tape to box blanks
US3466843A (en) * 1967-03-24 1969-09-16 George J Mumper Carton closing and taping machine
US3505774A (en) * 1967-10-23 1970-04-14 Lester Gidge Pressure pad box taping machine and method
EP0647563A1 (de) * 1993-10-12 1995-04-12 Augusto Marchetti Siegelmaschine zür Verwendung von Klebestreifen aus Papier für quaderförmige Schachteln mit umfaltbaren Verschliessklappen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721669A (en) * 1950-04-21 1955-10-25 Clifford D Keely Machine for applying gummed tape to box blanks
US3466843A (en) * 1967-03-24 1969-09-16 George J Mumper Carton closing and taping machine
US3505774A (en) * 1967-10-23 1970-04-14 Lester Gidge Pressure pad box taping machine and method
EP0647563A1 (de) * 1993-10-12 1995-04-12 Augusto Marchetti Siegelmaschine zür Verwendung von Klebestreifen aus Papier für quaderförmige Schachteln mit umfaltbaren Verschliessklappen

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1544112A1 (de) * 2003-12-17 2005-06-22 MARCHETTI, Antonio Vorrichtung zum Regulieren des Druckes einer Klebestreifen-Anbringeinheit auf eine Schachtel in einer Anbringmaschine für Klebestreifen
CN101279650B (zh) * 2007-04-02 2010-06-16 三星电子株式会社 封箱及打包装置
DE102008027963A1 (de) * 2008-06-12 2010-02-04 Josef Gack Vorrichtung zum automatischen Abziehen und Ablängen von Klebebandabschnitten
ITMO20110305A1 (it) * 2011-11-28 2013-05-29 Process S R L Apparato per nastrare contenitori
CN102975899A (zh) * 2012-12-07 2013-03-20 广东机电职业技术学院 一种气动式封箱机
CN102975899B (zh) * 2012-12-07 2014-12-03 广东机电职业技术学院 一种气动式封箱机
CN103395516A (zh) * 2013-08-02 2013-11-20 昆山康佳电子有限公司 具有自动封箱和打钉功能的一体化装置
CN103395516B (zh) * 2013-08-02 2016-06-08 昆山康佳电子有限公司 具有自动封箱和打钉功能的一体化装置
CN108046020A (zh) * 2018-01-16 2018-05-18 安费诺电子装配（厦门）有限公司 一种线材自动对贴胶纸设备
CN108046020B (zh) * 2018-01-16 2024-02-20 安费诺电子装配（厦门）有限公司 一种线材自动对贴胶纸设备
CN112429348A (zh) * 2020-10-30 2021-03-02 昕迪精密机械（东莞）有限公司 贴纸上料机构
CN112938035A (zh) * 2021-03-25 2021-06-11 杭州彬特智能设备有限公司 一种自动封箱机

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