EP0930039B1 - Ausgabevorrichtung für Papierhandtücher mit manueller Bandschneidevorrichtung - Google Patents

Ausgabevorrichtung für Papierhandtücher mit manueller Bandschneidevorrichtung Download PDF

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Publication number
EP0930039B1
EP0930039B1 EP98830550A EP98830550A EP0930039B1 EP 0930039 B1 EP0930039 B1 EP 0930039B1 EP 98830550 A EP98830550 A EP 98830550A EP 98830550 A EP98830550 A EP 98830550A EP 0930039 B1 EP0930039 B1 EP 0930039B1
Authority
EP
European Patent Office
Prior art keywords
blades
roller
feeding
band
blade
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 - Lifetime
Application number
EP98830550A
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English (en)
French (fr)
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EP0930039A1 (de
Inventor
Antonio Macchi Cassia
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.)
Steiner Co International SA
Original Assignee
Steiner Co International SA
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 Steiner Co International SA filed Critical Steiner Co International SA
Publication of EP0930039A1 publication Critical patent/EP0930039A1/de
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3631—The cutting devices being driven manually
    • A47K10/3643—The cutting devices being driven manually by pulling the paper

Definitions

  • the present invention relates to devices for the controlled dispensing of portions of paper from a continuous band to be used as towels, and in particular to a device of the manually-operated type.
  • a device of the manually-operated type In this kind of device it is the pull exerted by the user on the tip of paper projecting from the device that controls the feeding of a pre-established length of band and the cutting thereof.
  • a natural evolution of said device is the automatic paper cutting, still through manually-operated device and without resorting to motor-driven solutions which are much more expensive and less reliable.
  • An example of such a kind of device is a device wherein a blade-driving cam is provided which is connected to the paper-feeding roller, so that it springs out radially from a rest position within a longitudinal slot formed in the roller itself to a cutting position wherein it intersects the paper outside the roller. This involves a clear danger of a possible springing out of the blade while the user is manually performing the paper inserting operation on the feed roller. Moreover, it may be difficult to access the blade for its possible replacement, due to its position inside the roller.
  • Another kind of device similar to the preceding one is a device wherein the blade acts on the strip of paper in a radial direction from outside towards the inside of the feed roller by entering a longitudinal slot thereof.
  • the blade is mounted on a cutting group by means of a fork pivoted and laterally guided so as to be operated in synchronism with the rotation of the roller.
  • Still other kinds of device produce portions of band with saw-toothed or V-shaped cuts which therefore have an irregular and unpractical shape for the use as towels. Furthermore, the progressive wear of the blade and/or the occurring of plays may make the band cutting ever more difficult and irregular.
  • EP-A-693268 discloses a device which carries out a scissors-like cutting through the punctiform contact between a rigid blade and a yielding blade as described in the preamble of claim 1. Also this device, however, is not fully reliable and allows for a certain waste of paper in that the cut towel sheet may fall to the ground.
  • the object of the present invention is to provide a device for dispensing paper towels which overcomes the above-mentioned drawbacks.
  • a first advantage of the present device is to provide an effective cutting which is consistent in time, with the automatic recovery of the play, if any. This result is achieved through a very simple, cheap and reliable mechanism.
  • a second advantage of this device is that it produces towels with a regular rectangular shape thanks to a straight cut which is perpendicular to the band axis.
  • a further advantage of said device is that it includes a feeding and cutting mechanism which can be easily replaced completely since it is mounted in a removable way inside the case of the device.
  • Still another advantage of the present device is to make easier the protrusion of the tip of paper for the following user. This is achieved by means of a small uncut central portion of the band which allows for exerting still a certain pull even after the cutting has been carried out. This uncut portion also prevents the fall of the dispensed towel sheet.
  • the case of the device is made up of a rear base 1, an upper transparent dome 2 and a lower door 3.
  • the case of the device has a lower slot 4 as paper outlet, as well as a circular opening on the right side for a knob 5 for initially feeding the band when the device is loaded with a new roll.
  • Dome 2 and door 3 are hinged to base 1 by means of horizontal hinges 6 which allow a frontal opening of the device.
  • base 1 there are formed holes 7 for the wall mounting, rests 8 for the roll, catches 9 for mounting the feeding and cutting mechanism M (as it will be made clear further on), catches 10 for locking door 3 and a sleeve 11 wherein there is rotatably inserted a roll support 12 having a variable width, so as to receive rolls of different width.
  • Slot 4 is formed partially in base 1 and partially in door 3, which also has a central rib 13 whose function will be illustrated later on.
  • Door 3 also carries a pair of hooks 14 connected to a rod 15 and biased by a spring 16 into engagement with the locking catches 10 when door 3 is closed onto base 1. Dome 2 is retained in turn in its closed position by door 3.
  • Mechanism M essentially includes a rear supporting member 17 with end vertical seats 18 for inserting a left side shoulder 19 and a right side shoulder 20, between which there are rotatably mounted a feeding and cutting roller 21 and a shaft 22 carrying a pressure group 23.
  • the latter is made up of a pair of pressure rollers 23a made from rubber with a horizontal knurl, between which there is placed a small tube 23b acting as a spacer.
  • the length of spacer 23b is such that the two rollers 23a abut on corresponding strips of rubber band 24 applied to roller 21.
  • a first pair of blades 26 is projectingly mounted in a longitudinal position on roller 21 in corresponding aligned horizontal seats, said seats being formed with an angle intermediate between the radial direction and the tangential direction. Blades 26 extend along the whole length of roller 21, but at groove 25, and they have a thickness sufficient to provide a suitable rigidity, indicatively 2 mm.
  • a second pair of blades 27 is mounted on the inner face of the rear support 17, i.e. on the side facing roller 21. Blades 27 are mounted in a position converging upwards, i.e. in the direction opposite to the feeding direction of the paper band, and they have a thickness suitable to provide an adequate flexibility, indicatively 0,3 mm.
  • Roller 21, in the illustrated embodiment, can only rotate clockwise (as seen from the right) since on the right end of its supporting shaft there is placed a counter-reverse spring 28.
  • This spring 28 is a left-spiral spring and has a tip 28b which projects radially into engagement with one of the notches of a raised crown 29 formed on the inner face of the right shoulder 20.
  • the clockwise rotation of roller 21 causes by reaction the "opening" of spring 28, whereas a counter-clockwise rotation causes the "closing" thereof on the shaft of roller 21 which is therefore braked.
  • Figure 5 illustrates in particular the spring group which provides the completion of the rotation of roller 21 so that the cutting is soft and light since it depends more on the spring strength than on the pull of the user on the band. Furthermore, the spring makes sure that an end tip of the band projects from the device for the following user.
  • a crank 30 is keyed at one end thereof onto the axis of roller 21, and carries at its opposite end a pulley 31 rotatable around a relevant pin 32.
  • a shaped spring 33 is mounted on a relevant pin 34 and engages pulley 31 between pin 32 and the axis of roller 21.
  • Spring 33 is shaped so as to produce a rest position of roller 21 (a little after the position shown in fig.5) and a position beyond which the rotation of roller 21 is completed under the push of spring 33, through crank 30, even if there is no more pull on the band by the user.
  • the ends of shaft 22 are housed in radially elongated seats 35 and leaf springs 36 mounted on the outside of shoulders 19, 20 act on said ends.
  • the whole mechanism M can be easily removed from the case of the device in which it is mounted through resilient latching means 37.
  • These means 37 are formed on the support 17 at the top of seats 18, and they are shaped so as to engage catches 9 formed on base 1. In this way, mechanism M is retained between catches 9 and the bottom of base 1 at slot 4, and in order to pull it out it is sufficient to act on latches 37. In case of failure or maintenance it is therefore advantageous to replace the whole mechanism M rather than working on site, the removed mechanism being then easily serviced at the manufacturing company.
  • the continuous paper band unwound from the roll retained by support 12 is introduced from the front side between the pressure group 23 and roller 21 which is rotated through knob 5 until the band comes out through slot 4.
  • this pull causes the rotation of roller 21 which carries blades 26 into contact with blades 27 fixed on support 17.
  • the two pairs of blades are mounted so as to come into contact, with the flexible blades 27 which slightly bend upon the contact with the rigid blades 26.
  • since blades 27 are inclined the contact does not occur along their whole length but just at a point which progressively moves from the center outwards. This produces a straight "scissors-like" cut perpendicular to the feeding direction of the band, thus obtaining a rectangular paper towel.
  • the presence of the counter-reverse spring 28 prevents a possible reverse motion of roller 21 at the end of the rotation under the push of spring 33. This makes sure that the tip to be pulled by the following user comes out.
  • the use of a pair of rigid blades (26) and a pair of flexible blades (27) which intersect each other allows the automatic recovery of possible plays and/or wear within a certain amount.
  • the discontinuity in cutting at the central groove 25 allows to retain a small connection between the band and the cut portion, whereby no accidental fall of the towel produced by the cutting is possible.
  • the number of blades may be different from those illustrated, e.g. by using more than two blades on roller 21 with more than one groove 25, or the pairs of blades could include longer and shorter blades, for example if groove 25 is not in a central position. It is also possible to replace the flexible blades 27 with rigid blades yet mounted in a yielding way, i.e. by means of biasing springs which allow a certain degree of motion upon contact with the rigid blades 26.
  • latches 37, the spring group of roller 21, the counter-reverse spring 28, and so on could be replaced by other mechanically equivalent members and/or could be arranged in a different way.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Unwinding Webs (AREA)
  • Advancing Webs (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control Of Cutting Processes (AREA)

Claims (9)

  1. Spendevorrichtung für Papierhandtücher, die von einer kontinuierlichen Bahn abgeschnitten werden, umfassend ein Gehäuse (1, 2 3), in dem ein Zuführungs- und Schneidmechanismus (M) untergebracht ist und das mit einem unteren Schlitz (4) als Bahnauslaß versehen ist, wobei der genannte Mechanismus (M) eine Klinge (26) umfaßt, welche auf einer Zuführungs- und Schneidwalze (21) montiert ist, und eine Klinge (27) umfaßt, welche fest installiert und so angeordnet ist, daß sie mit der genannten auf der genannten Walze (21) befestigten Klinge (26) zusammenwirkt, wobei die genannten Klingen (26, 27) so montiert und gestaltet sind, daß sie während des Schneidvorgangs einen punktuellen Kontakt zwischen einer starren Klinge und einer nachgebenden Klinge herstellen, dadurch gekennzeichnet, daß mindestens ein Paar von starren Klingen und mindestens ein Paar von nachgebenden Klingen vorgesehen sind, und wobei die Klingen des Paars auf der Walze von einer Rille (25) voneinander getrennt sind, in die eine Rippe (13) hineinragt, welche auf der Innenseite des Gehäuses geformt ist und geeignet ist, die Bahn in Richtung auf den Auslaßschlitz (4) zu lenken.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß eins der genannten Klingenpaare (26, 27) im wesentlichen flexibel ist, während das andere Paar im wesentlichen starr ist.
  3. Vorrichtung nach Anspruch 2 dadurch gekennzeichnet, daß die flexiblen Klingen (27) fest montiert sind und die starren Klingen (26) auf der Walze (21) montiert sind.
  4. Anspruch nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die flexiblen Klingen (27) Metallklingen mit einer Dicke von etwa 0,3 mm sind und die starren Klingen (26) Metallklingen mit einer Dicke von etwa 2 mm sind.
  5. Vorrichtung nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die festen Klingen (27) schrägt gestellt sind und in einer Richtung entgegengesetzt zur Zuführungsrichtung der Bahn aufeinander zu laufen, wohingegen die auf der Walze (21) befestigten Klingen horizontal ausgerichtet sind.
  6. Vorrichtung nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, daß das Gehäuse der Vorrichtung Klinken (9) umfaßt, die geeignet sind, mit entsprechenden rückfedernden Einrastmitteln (37) in Eingriff gebracht zu werden, welche auf dem Zuführungs- und Schneidmechanismus (M) geformt sind, wodurch letzterer leicht aus der Vorrichtung entfernt werden kann.
  7. Vorrichtung nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Zuführungs- und Schneidmechanismus (M) eine Andruckgruppe (23) umfaßt, welche gegen die Walze (21) gedrückt wird von tragenden und vorspannenden Mitteln (22, 35, 36), die geeignet sind, ihr ein Spiel zu ermöglichen, welches für den Durchgang der auf der genannten Walze (21) montierten Klingen (26) ausreicht.
  8. Vorrichtung nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Zuführungs- und Schneidmechanismus (M) eine Rücklaufsperrfeder (28) umfaßt, welche auf der Achse der Walze (21) angeordnet ist und mit einem festen Sitz (29) in Eingriff ist, so daß sich die genannte Walze (21) nur in einer Drehrichtung drehen kann.
  9. Vorrichtung nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Zuführungs- und Schneidmechanismus (M) eine Federgruppe (30, 31, 32, 33, 34) umfaßt, welche geeignet ist, die volle Drehung der Walze (21) zu vollziehen, so daß eine Endspitze der Bahn für den nächsten Benutzer aus der Vorrichtung herausragt.
EP98830550A 1998-01-15 1998-09-22 Ausgabevorrichtung für Papierhandtücher mit manueller Bandschneidevorrichtung Expired - Lifetime EP0930039B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT98MI000065A IT1298135B1 (it) 1998-01-15 1998-01-15 Dispositivo erogatore di asciugamani di carta ricavati per taglio manuale da un nastro continuo
ITMI980065 1998-01-15

Publications (2)

Publication Number Publication Date
EP0930039A1 EP0930039A1 (de) 1999-07-21
EP0930039B1 true EP0930039B1 (de) 2002-11-27

Family

ID=11378594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98830550A Expired - Lifetime EP0930039B1 (de) 1998-01-15 1998-09-22 Ausgabevorrichtung für Papierhandtücher mit manueller Bandschneidevorrichtung

Country Status (12)

Country Link
EP (1) EP0930039B1 (de)
AR (1) AR014309A1 (de)
AT (1) ATE228325T1 (de)
AU (1) AU743644B2 (de)
BR (1) BR9906977A (de)
CA (1) CA2318099A1 (de)
DE (1) DE69809702T2 (de)
DK (1) DK0930039T3 (de)
ES (1) ES2187917T3 (de)
IT (1) IT1298135B1 (de)
NZ (1) NZ505755A (de)
WO (1) WO1999035950A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8298640B2 (en) 2006-10-31 2012-10-30 Georgia-Pacific Consumer Products Lp Manufacturing method and system and associated rolls of sheets with alternating cuts and pre-cuts
US10575686B2 (en) 2017-05-10 2020-03-03 Gpcp Ip Holdings Llc Automatic paper product dispenser and associated methods
US10993591B2 (en) 2012-02-10 2021-05-04 Gpcp Ip Holdings Llc Automatic napkin dispenser
WO2022029535A1 (fr) 2020-08-05 2022-02-10 Sci-Services Sa Dispositif de distribution de serviettes en papier
US11297984B2 (en) 2006-10-31 2022-04-12 Gpcp Ip Holdings Llc Automatic napkin dispenser

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6684751B2 (en) 2001-12-13 2004-02-03 Kimberly-Clark Worldwide, Inc. Rolled web dispenser and cutting apparatus
ITMI20031465A1 (it) 2003-07-17 2005-01-18 Steiner Company Internat S A Dispositivo erogatore di fogli di carta ricavati per taglio manuale da un nastro continuo con meccanismo di innesco di un rotolo di scorta
ATE446270T1 (de) * 2007-08-02 2009-11-15 Ching-Hsiang Wang Bandspender für verpackungsfolie
IT1398950B1 (it) 2010-03-18 2013-03-28 Macchi Cassia Rotolo di carta con scanalatura laterale di controllo ed erogatore atto ad utilizzare tale rotolo
DE202011105497U1 (de) 2011-09-09 2011-10-31 Netpak Elektronik Plastik Kozmetik Ltd. Sti. Papierhandtuchspender
ITMI20120724A1 (it) 2012-05-02 2013-11-03 Qts Srl Gruppo di alimentazione e taglio per un erogatore di fogli di carta ricavati da un nastro continuo
US9604811B2 (en) 2013-10-01 2017-03-28 Georgia-Pacific Consumer Products Lp Automatic paper product dispenser with data collection and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609010B1 (fr) * 1986-12-30 1990-04-27 Granger Maurice Dispositif de coupe perfectionne pour un appareil de distribution et de coupe simultanees de bandes de materiaux enroules
EP0629372A1 (de) * 1993-06-18 1994-12-21 James River Paper Company, Inc. Ausgeber mit Zerschneidung von Papierhantüchern
EP0693268A1 (de) * 1994-07-19 1996-01-24 James River Paper Company, Inc. Vorrichtung zum Trennen und Ausgeben von Einzelpapierhandtüchern

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8298640B2 (en) 2006-10-31 2012-10-30 Georgia-Pacific Consumer Products Lp Manufacturing method and system and associated rolls of sheets with alternating cuts and pre-cuts
US8741410B2 (en) 2006-10-31 2014-06-03 Georgia-Pacific Consumer Products Lp Manufacturing method and system and associated rolls of sheets with alternating cuts and pre-cuts
US8802211B2 (en) 2006-10-31 2014-08-12 Georgia-Pacific Consumer Products Lp Method for manufacturing a sheet product for use in a dispenser and strip of sheet product
US10531770B2 (en) 2006-10-31 2020-01-14 Gpcp Ip Holdings Llc Automatic napkin dispenser
US11297984B2 (en) 2006-10-31 2022-04-12 Gpcp Ip Holdings Llc Automatic napkin dispenser
US10993591B2 (en) 2012-02-10 2021-05-04 Gpcp Ip Holdings Llc Automatic napkin dispenser
US10575686B2 (en) 2017-05-10 2020-03-03 Gpcp Ip Holdings Llc Automatic paper product dispenser and associated methods
US10806308B2 (en) 2017-05-10 2020-10-20 Gpcp Ip Holdings Llc Automatic paper product dispenser and associated methods
US10945567B2 (en) 2017-05-10 2021-03-16 Gpcp Ip Holdings Llc Automatic paper product dispenser and associated methods
WO2022029535A1 (fr) 2020-08-05 2022-02-10 Sci-Services Sa Dispositif de distribution de serviettes en papier

Also Published As

Publication number Publication date
ITMI980065A1 (it) 1999-07-15
DK0930039T3 (da) 2003-03-24
AU1888199A (en) 1999-08-02
NZ505755A (en) 2002-08-28
DE69809702T2 (de) 2003-07-31
IT1298135B1 (it) 1999-12-20
ES2187917T3 (es) 2003-06-16
AR014309A1 (es) 2001-02-07
DE69809702D1 (de) 2003-01-09
CA2318099A1 (en) 1999-07-22
BR9906977A (pt) 2000-10-17
EP0930039A1 (de) 1999-07-21
AU743644B2 (en) 2002-01-31
ATE228325T1 (de) 2002-12-15
WO1999035950A1 (en) 1999-07-22

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