EP3428096B1 - Appareil distributeur de rouleau à alimentation centrale - Google Patents

Appareil distributeur de rouleau à alimentation centrale Download PDF

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Publication number
EP3428096B1
EP3428096B1 EP17181532.7A EP17181532A EP3428096B1 EP 3428096 B1 EP3428096 B1 EP 3428096B1 EP 17181532 A EP17181532 A EP 17181532A EP 3428096 B1 EP3428096 B1 EP 3428096B1
Authority
EP
European Patent Office
Prior art keywords
roll
tray
end wall
support
stop
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.)
Active
Application number
EP17181532.7A
Other languages
German (de)
English (en)
Other versions
EP3428096A1 (fr
Inventor
Harald Giesen
Christina Kraft
Volker Dirk Mowitz
Peter Schmidt
Eduard ZIMMERMAN
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.)
Amazon Technologies Inc
Original Assignee
Amazon Technologies Inc
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 Amazon Technologies Inc filed Critical Amazon Technologies Inc
Priority to EP17181532.7A priority Critical patent/EP3428096B1/fr
Publication of EP3428096A1 publication Critical patent/EP3428096A1/fr
Application granted granted Critical
Publication of EP3428096B1 publication Critical patent/EP3428096B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/005—Dispensers, i.e. machines for unwinding only parts of web roll
    • 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
    • A47K10/38—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge
    • A47K10/3809—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with roll spindles which are not directly supported
    • A47K10/3818—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with roll spindles which are not directly supported with a distribution opening which is perpendicular to the rotation axis
    • 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0017—Providing stock material in a particular form
    • B31D2205/0023—Providing stock material in a particular form as web from a roll
    • B31D2205/0029—Providing stock material in a particular form as web from a roll unwound from inside
    • 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/007—Delivering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/184—Wound packages
    • B65H2701/1842—Wound packages of webs
    • B65H2701/18422—Coreless
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1944—Wrapping or packing material

Definitions

  • the present disclosure relates to apparatus and methods for dispensing web material from a center feed roll.
  • WO2014/044368 discloses (see the Abstract) an example device for manually producing a helical packing material, comprising a receptacle for at least partially extensively encompassing a wound fibrous material web roll, which defines an axial direction and forms an inner side, from which the fibrous material web is drawn to form the packing material, and an axial holder, which is connected to the receptacle, wherein an axial end face of the fibrous material web roll is held on the axial holder, and a discharge opening for discharging the packing material in an axial direction is formed in the axial holder, said axial holder having an inner wall section that tapers towards the discharge opening and faces the end face.
  • Document DE 20 2016 002839 U1 discloses an open tray dispenser with additional stop element, however the dispensing opening of this dispenser presented in fig. 9 comprises only a guide element made by a thin structure.
  • An example apparatus includes a support structure configured to support a center feed roll of web material when received in the apparatus.
  • the support structure is described hereinafter as a roll support.
  • the roll support extends in a first direction from a first end to a second end.
  • the first end of the roll support is also termed a rear end, or a proximal end herein.
  • the second end of the roll support is also termed a front end, dispensing end, or distal end of the roll support.
  • An end wall is located in the first direction with respect to the first end of the roll support, the end wall comprising an aperture for dispensing the web material. The end wall can therefore be considered to be distal with respect to the first, proximal, end of the roll support.
  • a roll stop is located in the first direction with respect to the proximal end of the roll support and short of the end wall such that part of a dispensing end face of the roll abuts the stop and is spaced from the end wall.
  • the roll stop can therefore be considered to be distal with respect to the first, proximal, end of the roll support, while being short of the end wall with respect tot the first direction and therefore spaced from the end wall.
  • the roll stop is located short of the end wall in the first direction to be spaced from the end wall.
  • the location of the end wall and the roll stop with respect to the roll support can vary in different embodiments.
  • the end wall can be located at or short of the second end of the roll support, for example abutting the second end of the roll support.
  • the roll stop could, for example, be located short of the second end of the roll support in the first direction.
  • the end wall can be located beyond the end of the roll support, for example being supported by flanges that project beyond the second end of the roll support.
  • the roll stop could, for example, be located at the end of roll support, for example being formed by one or more upstanding flanges at the second end of the roll support.
  • the end wall is planar and perpendicular to the first direction.
  • the roll stop comprises an abutment surface that stands up from a support surface of the roll support. The roll stop can be spaced from the end wall by a distance that allows a user to insert a hand between the end wall and the end of a roll when mounted in the apparatus.
  • the roll support provides a shallow tray, or trough-shaped, structure.
  • the roll support can comprise a first sloping sidewall defining a first sloping surface and a second sloping sidewall defining a second sloping surface, the first surface and the second surface extending in the first direction and defining a truncated V-shaped cross-section perpendicular to the first direction that provides surfaces for supporting a roll when located in the apparatus.
  • the roll support can further comprise a third, bottom, sidewall providing a third surface that extends in the first direction and between an edge of the first sloping surface and an edge of the second sloping surface that are closest to each other. The third surface can enhance the structure of the roll support.
  • the roll support can further include a fourth sidewall providing a fourth surface and a fifth sidewall providing a fifth surface.
  • the fourth surface and fifth surface each extend in the first direction and from an edge of the first surface and an edge of the second surface, respectively, that are furthest from each other.
  • the fourth and fifth surfaces can enhance the structural rigidity of the roll support.
  • the fourth and fifth surfaces can enhance retention of the roll in case the roll support is knocked or rocked in use.
  • the roll support can be constructed as an integral component comprising the first to fifth sidewalls.
  • One or more or each of the first to fifth sidewalls can be connected to the end wall to provide a rigid structure.
  • An example apparatus can include an upstanding flange at the first end of the roll support.
  • the flange at the first end of the roll support can also be integral to the roll support and can be configured to enhance the structural rigidity of the roll support.
  • the flange at the first end of the roll support can help to prevent the roll from falling from the rear of the roll support.
  • the roll support and the end wall can be formed from separate components fixed to each other.
  • the roll stop can comprise a separate component fixed to at least one of a roll support component and an end wall component.
  • the roll stop can be formed integrally with one of the roll support component and the end wall component, whereby the apparatus can comprise fewer component parts.
  • the roll support can include an integral roll stop wherein the roll stop is formed of an upstanding flange at the second end of the roll support.
  • the end wall then comprises an integral flange that is attached to the roll support and/or the roll stop.
  • An example apparatus can comprise a mounting bracket extending from an underside of the roll support to provide a pivotal mounting for the apparatus.
  • a height of the roll support perpendicular to the first direction is less than a width of the roll support perpendicular to the first direction.
  • the end wall can have a height that is higher than the diameter of the roll. Such a configuration can provide resistance to accidental displacement of the roll over the end wall.
  • the aperture is located in the end wall at a position where no part of the aperture is located at a distance from the bottom of the roll support that is more than half the width of the roll support and/or no part of the aperture overlaps an expected location of an axial center of a roll received, in use, on the roll support.
  • This configuration provides for an eccentric or off-axis draw of material from the roll when drawn from the roll through the aperture.
  • a center of the dispensing aperture is located at less than half the width of the roll support from a bottom of the roll support and/or a height of the end wall can be between half the width of the roll support and the width of the roll support to facilitate loading of the roll support and/or feeding of the web material from the center of the center feed roll to the dispensing aperture.
  • the height of the end wall and the positioning of the dispensing aperture can be selected in this manner to limit unintended excessive movement of the center turning of the roll.
  • the top of the end wall can limit movement of the center windings of the roll until the web material is fed though the dispensing aperture.
  • the dispensing aperture comprises a plurality of curved portions (petals) arranged about the perimeter of the aperture and extending from the plane of the end wall in a direction away from the first end and are separated by gaps (niches) for tearing off portions of web material that has been fed through the dispensing aperture.
  • the roll support and the end wall are each formed from sheet material, for example sheet metal.
  • a center feed roll of web material can be supported by the roll support with a portion of a dispensing end of the roll abutting the roll stop to space the portion (e.g., a peripheral portion comprising some of the outer windings of the roll) of the dispensing end of the roll from the end wall.
  • the center feed roll can be supported by the first surface and the second surface of the roll support, for example only by the first surface and the second surface, with the center feed roll not touching the one or more or any of the third, fourth and fifth surfaces.
  • the center of the dispensing aperture can be below a centerline of the center feed roll of web material.
  • the device comprises: an open tray extending in a first direction from a first end to a second end; an end wall at the second end of the tray, the end wall comprising a dispensing aperture; and a stop on the tray spaced from the second end of the tray, wherein the tray is configured to receive a center feed roll of web material such that part of a dispensing end face of the roll abuts the stop and is spaced from the end wall.
  • the web material comprises dunnage material, for example dunnage paper.
  • FIG. 1 is a schematic representation of a center feed roll dispensing apparatus 100 with a center feed roll 10 (hereafter referred to as a roll 10) of web material located in the apparatus 100.
  • FIG. 1A is an end view from a second end of the apparatus 100.
  • FIG. 1B is a side view of the apparatus 100 where a first end of the apparatus is located at the left in FIG. 1B and the second end of the apparatus 100 is located at the right as shown in FIG. 1B.
  • FIG. 1C is a perspective view of the apparatus 100 shown in FIGS. 1A and 1B.
  • FIG. 1D is a plan view of the apparatus 100.
  • the roll 10 comprises a spirally wound roll of web material, which is wound with successive windings from an inner winding 14 at an inner surface of the roll 10 to an outer winding 12 at an outer surface of the roll 10.
  • the roll 10 has a central opening 16 that extends through the center of the roll 10 in an axial direction 40 (corresponding to a central axis of the roll 10) from a first, rear end 18 of the roll to a second, front, end 20 of the roll 10.
  • the front end 20 of the roll is also referred to herein as a dispensing end of the roll 10.
  • the roll 10 can comprise a web of a material to be dispensed.
  • the roll comprises dunnage paper for use in packaging of goods.
  • the dunnage paper may have a weight of 70 or 80 gsm (g/m 2 ).
  • the roll 10 can comprise a web of another material, for example a fibrous material such as a different form of paper, card, etc., a felt material, a foil of a metal or plastics material, etc.
  • FIG. 1 and FIG. 2 An example embodiment of the apparatus 100 will now be described in more detail with reference to FIG. 1 and FIG. 2 .
  • FIG 2 which comprises FIGS. 2A, 2B, 2C and 2D , provides a schematic representation of an example embodiment of a center feed roll dispensing apparatus 100 without a roll in the apparatus 100.
  • FIG. 2A is an end view from a second end of the apparatus 100.
  • FIG. 2B is a side view of the apparatus 100 where a first end of the apparatus is located at the left in FIG. 2B and the second end of the apparatus 100 is located at the right as shown in FIG. 2B.
  • FIG. 2C is a perspective view of the apparatus 100 shown in FIGS. 2A and 2B.
  • FIG. 2D is a plan view of the apparatus 100.
  • the apparatus 100 includes a roll support 110 which forms a tray, or trough, for receiving the roll 10.
  • the roll support 110 extends in a first direction 50 from a first, rear, end 126 of the roll support 110 to a second, front, end 128 of the roll support 110 as shown in FIG 1B, FIG 1D , FIG 2B and FIG. 2D .
  • the first direction is parallel to the axial direction of the roll when the roll is mounted in the apparatus 100.
  • the roll support 10 has a shallow tray, or trough-shaped, configuration.
  • the roll support 110 comprises a first sloping sidewall 112 which extends in the first direction 50 and a second, opposing, sloping sidewall 114 that also extends in the first direction 50.
  • each of the first and second sloping sidewalls 112 and 114 are planar and are made of sheet material.
  • the sloping sidewalls 112 and 114 extend at an angle between a horizontal axis 60 and vertical axis 70 that are perpendicular to the first direction 50 (see FIGS. 2A and 2C ).
  • the sidewalls extend at an angle between 30 to 60 degrees, for example 45 degrees, with respect to the horizontal axis 60. In use, as shown in FIG.
  • the sloping sidewalls 112 and 114 form a first inner facing sloping surface 112' and a second inner facing sloping surface 114' on which the outer winding 12 of a roll 10 rests when located in the dispensing apparatus.
  • the opposed sloping sidewall surfaces 112' and 114' facilitate centering of the roll 10 on the roll support 110 with respect to a plane (not shown) passing vertically though the apparatus in the first direction.
  • the roll support 110 includes a third, bottom sidewall 116 that extends in the first direction and between an edge of the first sloping sidewall 112 and an edge of the second sloping sidewall 114 that are closest to each other.
  • the third, bottom sidewall 116 provides an inner facing bottom surface 116' that extends horizontally, in the direction 60, between the lower edges of the first and second sloping surfaces 112' and 114'.
  • the bottom sidewall 116 is made from the same sheet of planar material as the first and second sloping sidewalls 112 and 114.
  • the roll support 110 further includes a fourth sidewall 118 and a fifth sidewall 120 that each extend in the first direction 50 and from an edge of the first sidewall 112 and the second sidewall 114, respectively, that are furthest from each other.
  • the fourth and fifth sidewalls provide fourth and fifth inner facing surfaces 118' and 120', respectively that extend substantially in the vertical direction 70 from the upper edges of the first sloping surface 112' and the second sloping surface 114', respectively.
  • FIGS. 1A , 2A and 2C the fourth and fifth sidewalls provide fourth and fifth inner facing surfaces 118' and 120', respectively that extend substantially in the vertical direction 70 from the upper edges of the first sloping surface 112' and the second sloping surface 114', respectively.
  • a rear portion (approximately the rear half) of the fourth and fifth sidewalls tapers towards the first, rear, end 126 of the roll support 10.
  • the fourth and fifth sidewalls 118 and 120 are each made from the same sheet of planar material as the first and second sloping sidewalls 112 and 114
  • the outer winding 12 of the roll 10 rests (sits) on the first and second sloping surfaces 112' and 114', but is not in contact with the horizontal third surface 116' and the vertical fourth and fifth surfaces 118' and 120'.
  • the third, bottom sidewall 116 can enhance the structural rigidity of the roll support.
  • the upstanding fourth and fifth surfaces 118 and 120 provide additional structural rigidity of the apparatus through the connection to flanges 134 of the wall component 130 (as described later) and provide a supplementary function of catching a roll in the event that the apparatus 100 is knocked or rocked during operation. It is to be noted that although the overall height H4 (see Fig.
  • the roll support is approximately half of the height of a full roll 10 (see Figure 1B ), it is only the sloping surfaces 112' and 114' of the planar sloping sidewalls 112 and 114 that are in contact with the outer winding 12 of the roll 10 (see FIG. 1A ).
  • a rear retaining stop is provided in the form of an upstanding flange 122.
  • the upstanding flange 122 can be formed from an extension of the sheet material of the roll support 110 which is folded up and is joined at the intersections between the third lower surface 116' and the first and second sloping surfaces 112' and 114', respectively, to provide structural rigidity to the roll support 110.
  • the upstanding flange 122 also serves to avoid the roll 10 sliding backwards out of the apparatus 100 in the event that the apparatus 100 is angled with the second (front) end higher than the first (rear) end.
  • the dispensing apparatus further comprises an end wall 132.
  • the end wall 132 is manufactured as an end wall component 130 separate from the roll support 110 and is attached to the roll support 110 by means of flanges 134 which are folded around the outside of the roll support 110 and are attached thereto in a suitable manner.
  • the end wall component 130 can be attached to the roll support 110 using, for example, laser welding.
  • the end wall component 130 can be attached to the roll support 110 using, for example, another welding or brazing technique, suitable adhesives, or mechanical fasteners such as rivets, screws, etc.
  • the wall 132 is formed with a dispensing aperture 150. As shown in FIG. 1A , the aperture 150 is located below the axial center 26 of the roll 10. Thus when paper is drawn from the roll 10 through the aperture 150, the draw action is off-axis with respect to the axial center 26 of the roll 10.
  • this off-axis alignment of the aperture to the axial center of the roll can be achieved by providing that the aperture falls entirely within the lower half of the end wall.
  • the eccentric positioning of the aperture with respect to the expected location of the roll center axis can be achieved by having the aperture not extend beyond the half way point of the height of the end wall.
  • a height H1 of the center 156 of the dispensing aperture 150 is, depending on the aperture dimensions, approximately somewhere between one quarter and one third of the width W of the roll support 110.
  • the center 156 of the dispensing aperture 150 is located at a height H1 approximately one quarter of the height H3 of the wall 132 whereby, as shown in FIG. 2A , the height H1 is approximately one third of the height H2.
  • the height H3 of the wall 132 is approximately equal to the width W of the roll support 110.
  • the relative dimensions of the wall 132 and the aperture 150 can be chosen such that, in use, the central opening 16 of a roll 10 extends to within the opening provided by the dispensing aperture 150 and the axial center 26 of the roll 10 is above, level with or slightly below the upper extent of the aperture 150.
  • FIG. 1B illustrates that, in use, the front surface 20 of the roll 10 is spaced from the wall 132 by means of an end stop 160 for a roll, hereinafter termed a roll stop 160.
  • the roll stop 160 is in the form of an abutment surface 160 against which a portion of the front, dispensing, end 20 of the roll 10 abuts when located in the apparatus 100.
  • the abutment surface 160 is in the form of an upstand which forms part of an L-shaped profile 164 that includes the upstand 160 and a spacing plate 162.
  • the roll stop 160 provides an upstanding abutment surface that is located short of the second end of the roll support in the first direction and is spaced by a distance D from the wall 132 by means of the spacer 162.
  • the roll stop can be spaced from the end wall by a distance that allows a user to insert a hand between the end wall 132 and the end of a roll 10 when mounted in the apparatus.
  • the roll stop can be spaced between 20mm and 120mm from the second end of the roll support, for example approximately 80 mm from the second end of the roll support.
  • This distance D is set so as to cooperate with position of the aperture relative to the axial center of the roll to provide that paper drawn from the roll through the aperture can be drawn through the aperture without significant unintended breakage of the paper.
  • the paper can be intentionally broken by use of the petals also described below.
  • the roll stop 160 is provided, in the example shown in FIGS. 1-3 , on each of the first and second sloping surfaces 112' and 114', and also on the third, bottom, surface 116'. In other examples, the roll stop could be provided on more or less of the surfaces 112', 114', 116', 118', and 120' of the roll support 110.
  • the profile 164 is manufactured as a component separate from the roll support 110 and the wall component 130, and is attached to the roll support by an appropriate attachment process, for example by laser welding or another welding or brazing technique, suitable adhesives, or mechanical fasteners such as rivets, screws, etc.
  • the stop 160 is formed of a sheet material, such as a sheet metal.
  • the dispensing aperture 150 in the end wall 132 is formed with aperture edge portions or curved portions 152 which are separated by gaps (which could for example also be described as niches or slots) 154.
  • the configuration of the curved portions 152 are described herein as "petals”, with gaps 154 between the petals.
  • the petals are arranged extending radially inwardly of the aperture perimeter and extending outwardly from the end wall 132 in a direction away from the roll 10. In other words, the petals extend in direction 50.
  • the petals are angled at an angle ⁇ relative to the plane of the end wall 132.
  • the angle ⁇ of the petals can be between 60 and 90 degrees, for example approximately 70 degrees or 85 degrees to the plane of the end wall 132.
  • the transition is in the present example a radiused transition. In other examples an abrupt transition with minimal or no radius may be provided.
  • an operator can pull the web material into the gap 154 between two petals 152, to tear off a portion of the web material.
  • the petals 152 are manufactured integrally with the end wall component 130, by cutting the shape of the petals from the sheet material of the end wall 132 and pressing or otherwise bending the sheet material forming the petals to the angle ⁇ , leading to a radiused angular transition at the boundary 153.
  • each petal or a set of petals may be formed as a separate component that is attached to end wall 132, resulting in either a radiused or abrupt angular transition at the boundary 153.
  • the separate petal or set of petals may be attached to the end wall by way of seam welding the petal to the edge of the aperture 150.
  • this attachment may be provided by means of flanges (not shown) folded relative to the petal at the angle ⁇ to sit on the inside or outside surface of the end wall 132 and attached thereto in a suitable manner.
  • the end wall component 130 can be attached to the roll support 110 using, for example, laser welding.
  • the attachment may be provided using, for example, another welding or brazing technique, suitable adhesives, or mechanical fasteners such as rivets, screws, etc.
  • a user can then take hold of the inner winding 14 of the roll 10 and pull this through the dispensing aperture 150 in the wall 132.
  • the operator has various options for taking hold of the inner turn or winding of the roll 10, including one or more of reaching over the wall 132 and feeding the web material through the dispensing aperture 150, or reaching through the dispensing aperture 150 and pulling on the inner winding 14 of the roll 10.
  • the operator is then able to pull the spirally wound material from the roll through the dispensing aperture 150 until an appropriate length of the material has been withdrawn.
  • the material By then pulling the material upwards, downwards or sidewards with respect to the dispensing aperture, the material can be caused to be gripped in a gap 154 between two adjacent petals 152 to tear a length of material from the roll 10.
  • FIGS. 1-3 also show a mounting bracket assembly 180 that extends from an underside of the roll support 110 to provide a mounting for the apparatus.
  • the example bracket assembly 180 comprises an angled, generally U-shaped profile extending downwardly from the bottom sidewall 116.
  • the U-shaped profile is provided by a support element 182.
  • Attached to the support element is a support post 188.
  • the bracket assembly of this example is further illustrated in FIG 4 .
  • the support element 182 is generally U-shaped with flanges provided to facilitate attachment to the apparatus 110.
  • flanges 183 and 184 are provided for attachment to the apparatus 110, with the generally U-shaped nature being provided by support element sidewalls 185 and 186 and a support element base 187.
  • the support element side walls 185 and 186 have non-parallel top (where the flanges attach) and bottom (where the base attaches) edges, so as to provide that the support element base 187 is angled with respect to the flanges 183 and 184.
  • the apparatus bottom sidewall 116 is angled with respect to the support element base 187 by an incline angle ⁇ .
  • the include angle ⁇ may be between 20 and 40 degrees, for example 30 degrees.
  • the support element 182 is formed from pressed or folded sheet material, for example sheet metal.
  • a support post 188 Connected to the support element base 187 is a support post 188.
  • the support post is connected to the support element base 187 by for example, laser welding.
  • the support post 188 can be attached to the support element base 187 using, for example, another welding or soldering brazing technique, suitable adhesives, or mechanical fasteners such as rivets, screws, etc.
  • the support post 188 can be attached to a suitable support structure for the apparatus 110 to be deployed. To this end, the support post 188 may be held within a hole, sleeve or clamp arrangement.
  • the lower end 189 of the support post 188 may be provided with an attachment structure such as an internal bore which may be threaded or an external thread to facilitate attachment to the support structure.
  • a support structure to which the mounting bracket assembly 180 is attached may be height adjustable, or multiple heights of support structures may be made available.
  • the dimensions of the apparatus can vary according to the dimensions of a roll 10 with which it is to be used.
  • example dimensions are given below for the example of the apparatus shown in FIGS. 1 and 2 for use with a roll 10 having a length in the axial direction 40 of, for example 350 mm and an external diameter of, for example 260 mm.
  • the roll support 110 can be, for example, 460 mm long in the first direction, with the roll stop 160 located a distance D between 40 mm and 100 mm, for example between 60 mm and 90 mm, for example 80 mm short of the end of the roll support 110.
  • the height of the upstand 160 can be, for example between 10 and 40 mm, for example 20 mm. This means the upstand forms an abutment surface against which a portion of the front, dispensing, end 20 of the roll 10 abuts.
  • the width W (see FIG. 2A ) of the roll support and the end wall can be, for example, 305 mm and a height H4 (see FIG. 2A ) of the roll support 110 from the bottom surface 116' to the top of the aperture 150 can be, for example, 145 mm.
  • a height H3 (see FIG. 2A ) of the end wall 132 can be, for example, 280 mm and a height H1 (see FIG. 2A ) of the center of the dispensing aperture from the bottom surface 116'of the roll support 110 can be, for example, 80 mm.
  • the height H2 therefore can be, for example, 200mm.
  • the dispensing opening can have a diameter between opening petals of, for example, between 105 mm and 110 mm, for example a width of 106 mm and a height of 109 mm.
  • the petals can be angled relative to the plane of the end wall of between 60 and 90 degrees, for example 70 degrees or 85 degrees.
  • the petals 152 can have a length extending along the plane of the petal 152 away from the boundary 153 of between 10 and 25mm, for example 19mm.
  • the flanges of the mounting bracket assembly can each have a planar dimension of 120mm by 30mm and the mounting bracket support element can provide an angle of between 20 and 40 degrees, for example 30 degrees between the flanges and the base. It should be emphasized that the dimensions illustrated are by way of example only, and that in any specific implementational embodiment, the dimensions may be other than as indicated while still retaining the functionality of the apparatus.
  • FIG. 5 which comprises FIGS. 5A-5F , provides a schematic illustration of an example manufacturing process for manufacturing the apparatus shown in FTGS. 1-3.
  • the roll support 110, the end wall component 130, and the stop component 164 are each formed of sheet metal, for example sheet steel.
  • FIG. 5A shows the roll support 110 from the second end after being stamped and pressed from a single piece of sheet steel to form a truncated V-shaped configuration with the sloping first and second sidewalls 112 and 114, joined by the bottom sidewall 116, and upstanding fourth and fifth sidewalls 118 and 120.
  • FIG. 5A also shows that rear extensions of the sheet of steel of the roll support 110 projecting from the sloping sidewall portions 112 and 114 and the bottom sidewall portion 116 have been folded up to form the rear flange 122, with the flange portions extending from the respective sidewall portions 112, 114 and 116 joined at, for example, 113 and 115 by laser welding or another technique.
  • FIG. 5A shows the roll support 110 from the second end after being stamped and pressed from a single piece of sheet steel to form a truncated V-shaped configuration with the sloping first and second sidewalls 112 and 114, joined by the bottom sidewall 116, and upstanding fourth and fifth
  • FIG. 5A shows the wall component 130 stamped to form a blank including the wall 132 and the flanges 134 with the dispensing opening 150 in the wall 132.
  • FIG. 5A shows the stop component 164 which has been stamped and folded to provide an L-shaped profile with the upstanding portions 160 joined at 163 and 165 using an appropriate joining technique such as laser welding to provide the truncated V-shape illustrated in FIG. 5A .
  • FIGS. 5B and 5C illustrate that the end wall 132 is offered up to the second end of the roll support 110 as an operation A.
  • FIG. 5C also illustrates that in a step B after aligning the end wall with the roll support 110, the flanges 134 are folded to the outside of the respective surfaces of the roll support 110 and are attached using a suitable technique as described earlier, for example laser welding, etc.
  • FIG. 5D shows the wall component 130 attached to the roll support 110 by means of the flanges 134.
  • FIG. 5D also shows the stop component 164 being offered to the part assembly comprising the roll support 110 and the wall component 130.
  • FIG. 5E shows the stop component 164 in its final location with the roll stop 160 short of the second end of the roll support 110 spaced from the wall 130 by a distance D.
  • the stop component 164 can be attached to the roll support 110 using an appropriate technique such as laser welding, another welding or soldering technique, suitable adhesives, rivets, screws, etc.
  • FIG. 5F shows the resulting assembly without the bracket 180.
  • the bracket 180 can be attached to the underside of the roll support 110 using, for example, laser welding, another welding or soldering technique, suitable adhesives, rivets, screws, etc. at any stage before during or after the assembly process described above. It is to be noted that, for reasons of ease of illustration, the bracket assembly is not shown in FIGS. 5A-5F . It is noted the operations in the manufacturing process for manufacturing the apparatus may occur in any order.
  • the stop component 164 may be attached to the roll support 110 before the wall component 130 is attached to the roll support. Equally, the roll support 110, the stop component 164 and the wall component 130 may all be brought together at the same time and attached to each other simultaneously using an appropriate technique such as laser welding, another welding or soldering technique, suitable adhesives, rivets, screws, etc.
  • FIG. 6 is a schematic representation of an alternative construction in which a roll stop in the form of an upstand 260 is manufactured to be integral with the end wall component rather than being constructed as a separate component.
  • FIG. 6A illustrates an initial configuration of the roll support 110 and a blank end wall component 230 that includes the end wall 232 formed with the dispensing aperture 250, flanges 234 and further flanges 260 to form a roll stop.
  • FIG. 6A shows the roll support 110 from the second end after being stamped and pressed from a single piece of sheet steel to form a truncated V-shaped configuration with the sloping first and second sidewalls 112 and 114, joined by the bottom sidewall 116, and upstanding fourth and fifth upstanding sidewalls 118 and 120.
  • FIG. 6A illustrates an initial configuration of the roll support 110 and a blank end wall component 230 that includes the end wall 232 formed with the dispensing aperture 250, flanges 234 and further flanges 260 to form a roll
  • FIG. 6A shows that rear extensions of the sheet of steel of the roll support 110 projecting from the sloping sidewall portions 112 and 114 and the bottom sidewall portion 116 have been folded up to form the rear flange 122, with the flange portions extending from the respective sidewall portions 112, 114 and 116 joined at, for example, 113 and 115 by laser welding or another technique.
  • FIG. 6A shows the wall component 230 stamped to form the blank end wall component 230 including the end wall 232 formed with the dispensing aperture 250, flanges 234 and further flanges 260 to form a roll stop.
  • FIG. 6B shows an end view of the blank 230 illustrated in FIG. 6A.
  • FIG. 6C is a perspective representation of the blank 232.
  • FIG. 6D and FIG. 6E illustrate a first step in the forming of the wall blank 230 in which the flanges 234 are bent to extend perpendicularly with respect to the end wall 232 by folding in the direction M illustrated in FIGS. 6D and 6E .
  • FIGS. 6F and 6G illustrate a second step in forming of the end wall component in which the further flanges 260 are folded in the direction N to form upstands as roll stops 260 corresponding generally to the roll stops 160 of FIGS. 1-5 .
  • FIGS. 6H and 6I show the end wall after being offered up to the second end of the roll support 110 whereby the flanges 234 are configured to sit within the roll support 110 and with the upstand 260 forming a roll stop short of the end of the roll support 110 in the first direction, spaced a distance D from the end wall 232.
  • the components of the apparatus are made from, for example sheet steel
  • the components and/or the finished apparatus can be provided with a protective coating by being painted, e.g. using an electrostatically applied powder paint, or by galvanising, etc.
  • FIG. 7 illustrates an alternative configuration for the roll support 110.
  • FIG. 7 illustrates the roll support cut through the bottom sidewall 116 in the first direction 50.
  • the roll support 110 is folded, at its second front end 128, upwards and back on itself in the direction opposite the first direction 50. This forms a spacer 362.
  • the roll support is further folded upwards to form the roll stop 360 such that the spacer is of length D.
  • Roll stop 360 forms an abutment surface 360 against which a portion of the front, dispensing, end 20 of the roll 10 abuts when located in the apparatus 100.
  • FIG. 8 illustrates an alternative means of joining a roll stop component 464 to the roll support 110.
  • the roll stop component 464 is a separate component to the roll support 110.
  • the roll stop component 464 and the roll support 110 are attached by screws 472. Although two screws are illustrated in FIG. 8 , fewer or more screws, for example 1 or 4, may be used to attach the components.
  • the screws 472 pass from the underside of the bottom sidewall 116 through rectangular slots 470 in the bottom sidewall 116.
  • the screws 472 have a square cross section 476 at the base of the screw thread 478 which engages in the rectangular slots 470, allowing the screws to slide in the first direction 50.
  • the screws 472 then pass through holes 466 in the spacer plate 462 of the roll stop component 464 and are secured in place with nuts 474.
  • the nuts 474 can be loosened to allow the screws and roll stop component 464 to be slid in the rectangular slots 470 in the first direction. This alters the distance D that the roll stop 460 is located from the second, front, end 128 of the roll support in the first direction 50.
  • the length of the slots D2 in the first direction determines a range of motion that the roll stop may be moved through, with the minimum and maximum values of D being limited by the length of the space plate 462 and the location of the slots 470 relative to the second, front, end 128.
  • the nuts can then be tightened when the roll stop component 464 is in the desired location to prevent the roll stop component 464 moving further.
  • FIG. 9 illustrates an alternative configuration for the roll stop 160.
  • the construction is generally similar to the construction in FTGS. 1-5 apart from the manner in which the roll stop is formed.
  • an 'L-shaped' profile 164 is used in which a spacing flange 162 is in contact with the surfaces 112', 114' and 116' of the roll support 110 and the stop 160 forms an upstand therefrom.
  • the stop component 168 is configured as a box section having the upstand 160 and a spacer portion 166 which extends from an upper end of the upstand 160 to the end wall 132.
  • the box section 168 can be attached to the surfaces 112', 114' and 116' of the roll support 110 and to the wall 132 using any appropriate technique, such as laser welding, another welding or soldering technique, suitable adhesives, rivets, screws, etc.
  • the roll support can include an integral roll stop.
  • the roll stop is formed of an upstanding flange at the second end of the roll support.
  • the wall component comprises an end wall and integral flanges that are longer than distance D, for example twice distance D.
  • the flanges are folded to the outside of the respective surfaces of the roll support and are attached using a suitable technique as described earlier, for example laser welding, such that the upstanding flange at the second end of the roll support is spaced a distance D from the end wall.
  • the wall component flanges comprise rectangular slots, through which screws are passed to attach the wall component to the roll support as described above in relation to FIG. 8 .
  • the rectangular slots allow the wall component to be slid relative to the roll support to alter the distance D that the upstanding flange at the second end of the roll support is spaced from the end wall.
  • FIGs. 10 and 11 illustrate a further example of a dispensing apparatus 300, which corresponds generally to the dispensing apparatus 100 of FIGS. 1-5 , with the exception that it has an end wall 332 which has a height H5 much less than a width W of the roll support 110, the aperture aligns to overlap an axial center of the roll, the aperture petals are in the plane of the end wall, the spacing D is reduced, and the support bracket facilitates an adjustable incline angle.
  • FIG. 10 is a schematic representation of a center feed roll dispensing apparatus 300 with a center feed roll 10 (hereafter referred to as a roll 10) of web material located in the apparatus 300.
  • FIGS. 10A, 10B and 10C correspond generally to FIGS. 1A, 1B and 1C , and like numerals relate to like elements. Thus the present discussion does not re-describe all elements in common between FIGS. 1 and 10 .
  • FIG 11 which comprises FIGS. 11A, 11B, 11C and 11D , provides a schematic representation of the example embodiment of a center feed roll dispensing apparatus 300 shown in FIG 10 without a roll in the apparatus.
  • FIGS. 11A, 11B, 11C and 11D correspond generally to FIGS. 2A, 2B, 2C and 2D , and like numerals relate to like elements. Thus the present discussion does not re-describe all elements in common between FIGS. 2 and 11 .
  • the apparatus 300 includes an end wall 332.
  • the wall 332 is formed with a dispensing aperture 350.
  • a center 356 of the dispensing aperture 350 is located below the axial center 26 of the roll 10.
  • the center 356 of the aperture 350 is closer to the lower extremity of the roll support 110 than the center 26 of a full roll 10 when a full roll 10 is located in the dispensing apparatus 300.
  • a height H1 of the center 356 of the dispensing aperture 350 is less than half of the width W of the roll support 110.
  • the center 356 of the dispensing aperture 350 is located at a height H1 approximately half of the height H3 of the wall 332 whereby, as shown in FIG. 2A , the height H1 is approximately one quarter of the height H3 of the wall 132.
  • the height H3 of the wall 332 is greater than half of the width W of the roll support 110 and less than the width W of the roll support 110.
  • the relative dimensions of the wall 332 and the aperture 350 can be chosen such that, in use, the central opening 16 of a roll 10 extends from above the top of the wall 332 to within the opening provided by the dispensing aperture 350.
  • using this alignment of the aperture to the axial center of the roll will result in the drawn of material from the roll being less eccentric (i.e. less spaced apart from the axis of the roll) than using the alignment discussed with reference to Figures 1-3 above.
  • the alignment shown in FIG. 10A will for some web materials provide a less smooth draw of web material from the roll than the alignment shown in FIG. 1A .
  • the exact dimensions may be adapted according to the preferences of the user and the particular web material in use, it is seen that the alignment shown in FIG. 10A will provide acceptable performance for at least some web materials.
  • FIG. 10B illustrates that, in use, the front surface 20 of the roll 10 is spaced from the wall 132 by means of an end stop 160 for a roll, hereinafter termed a roll stop 160.
  • the roll stop can be spaced from the end wall by a distance that allows a user to insert a hand between the end wall 132 and the end of a roll 10 when mounted in the apparatus.
  • the roll stop can be spaced between 10mm and 80mm from the second end of the roll support, for example approximately 40 mm from the second end of the roll support.
  • the reduced eccentricity of the draw may for some web materials permit a reduced space between the roll stop and the end wall, relative to the alignment shown in FIG. 1A , due to the reduced eccentricity of the draw from the roll to the aperture.
  • the dispensing aperture 350 in the end wall 332 is formed with inwardly curved portions 352 which are separated by gaps (which could for example also be described as niches or slots) 354.
  • the configuration of the radially inwardly curved portions 352 are described herein as "petals”, with gaps 354 between the petals. As described herein with regard to operation of the apparatus, an operator can pull the web material into the gap 354 between two petals 352, to tear off a portion of the web material.
  • FIGS. 10-11 also show a mounting bracket assembly 380 that extends from an underside of the roll support 110 to provide a pivotal mounting for the apparatus.
  • the example bracket assembly 380 comprises a U-shaped profile with downwardly extending flanges 382 and a flat upper portion 381 connecting the downwardly extending flanges. Between the downwardly extending flanges, a pivot bolt 384 secured with nuts 386 provides a pivot axis.
  • a locating hole 388 can receive a locking member for engaging with corresponding locating holes or a slot in mounting flanges (not shown) of a mount to which the mounting bracket assembly 380 is connected.
  • the U-shaped mounting bracket 380 can also be manufactured from sheet material, for example sheet metal.
  • the apparatus 300 can be arranged with the first direction 50 being horizontal, or alternatively being pivoted forward or backward with respect to the horizontal for the comfort of the operator.
  • the operator is able to adjust the angle of the first direction 50 with respect to the horizontal, typically over a range of plus or minus 30 degrees from the horizontal, based on parameters such as the height of the operator, the height of the working surface or mounting surface, etc.
  • a center feed roll dispensing apparatus that comprises: a roll support that extends in a first direction from a first end to a second end; an end wall at the second end of the roll support, the end wall comprising a dispensing aperture; and a roll stop located short of the second end of the roll support and spaced from the end wall.
  • a device comprising: an open tray extending in a first direction from a first end to a second end; an end wall at the second end of the tray, the end wall comprising a dispensing aperture; and a stop on the tray spaced from the second end of the tray, wherein the tray is configured to receive a center feed roll of web material such that part of a dispensing end face of the roll abuts the stop and is spaced from the end wall.
  • centre feed roll dispensing apparatus facilitate easy mounting of a center feed roll in the apparatus and easy operation of the apparatus to dispense desired lengths of web material.
  • sheet metal for example sheet steel
  • another sheet metal for example an aluminium alloy could be used.
  • the apparatus could be manufactured from one or more plastics components, for example by moulding plastics material, such as, for example, acrylonitrile butadiene styrene (ABS), polyvinyl chloride (PVC), or polypropylene.
  • plastics material such as, for example, acrylonitrile butadiene styrene (ABS), polyvinyl chloride (PVC), or polypropylene.
  • sheet materials are used to manufacture the apparatus
  • various portions of the apparatus for example the roll support, could be formed from materials in the form of a mesh, or net or lattice that are either self supporting or supported on a frame.
  • particular example dimensions have been indicated, other embodiments are not limited to the specific embodiments and the dimensions of the apparatus can be adapted to the dimensions of a roll of center feed material to be dispensed.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Unwinding Webs (AREA)

Claims (15)

  1. Appareil de distribution à rouleau d'alimentation central (100) comprenant :
    un support de rouleau destiné à recevoir un rouleau d'alimentation central (10), réalisé sous la forme d'un plateau ouvert qui s'étend dans une première direction (50) d'une première extrémité (126) à une seconde extrémité (128) ;
    une paroi d'extrémité (132) située dans la première direction par rapport à la première extrémité du plateau, la paroi d'extrémité comprenant une ouverture de distribution (150) ; et
    une butée de rouleau (160) sur le plateau, située dans la première direction par rapport à la première extrémité du plateau et espacée de la paroi d'extrémité en direction de la première extrémité du plateau.
  2. Appareil selon la revendication 1, dans lequel la paroi d'extrémité (132) est plane et perpendiculaire à la première direction.
  3. Appareil selon la revendication 1 ou la revendication 2, dans lequel la butée de rouleau (160) comprend une surface d'appui qui se dresse à partir d'une surface de support du plateau.
  4. Appareil selon la revendication 3, dans lequel :
    la paroi d'extrémité (132) est située au niveau de la seconde extrémité (128) du plateau et la butée de rouleau est séparée de la seconde extrémité du plateau par une distance comprise entre 20 mm et 120 mm, par exemple séparée de la seconde extrémité du plateau par une distance d'approximativement 80 mm ; ou
    la butée de rouleau (160) est située au niveau de la seconde extrémité (128) du plateau et la paroi d'extrémité est située à une distance comprise entre 20 mm et 120 mm au-delà de la seconde extrémité du plateau dans la première direction, par exemple située à une distance d'approximativement 80 mm au-delà de la seconde extrémité du plateau.
  5. Appareil selon l'une quelconque des revendications précédentes, dans lequel le plateau comprend une première surface (112') et une deuxième surface (114'), la première surface et la deuxième surface s'étendant dans la première direction et définissant une section transversale partiellement en forme de V perpendiculaire à la première direction.
  6. Appareil selon la revendication 5, dans lequel le plateau comprend une troisième surface (116') qui s'étend dans la première direction et entre un bord de la première surface et un bord de la deuxième surface les plus proches l'un de l'autre ; et/ou une quatrième surface (118') et une cinquième surface (120') qui s'étendent dans la première direction et respectivement à partir d'un bord de la première surface et d'un bord de la deuxième surface les plus éloignés l'un de l'autre.
  7. Appareil selon l'une quelconque des revendications précédentes, comprenant en outre un rebord dressé (122) au niveau de la première extrémité du plateau.
  8. Appareil selon la revendication 2 ou toute revendication dépendant de celle-ci, dans lequel l'ouverture de distribution (150) est essentiellement de forme polygonale, et comporte une pluralité de parties incurvées (152) disposées autour du périmètre de l'ouverture, les parties incurvées s'étendant à partir du plan de la paroi d'extrémité dans une direction s'éloignant de la première extrémité.
  9. Appareil selon la revendication 8, dans lequel chaque partie incurvée (152) est inclinée par rapport au plan de la paroi d'extrémité à un angle compris entre 60 degrés et 90 degrés, par exemple 70 degrés ou 85 degrés.
  10. Appareil selon l'une quelconque des revendications précédentes, dans lequel les dimensions de la paroi d'extrémité (132) comprennent au moins une propriété choisie dans le groupe comprenant :
    une hauteur du plateau perpendiculaire à la première direction est inférieure à une largeur du plateau perpendiculaire à la première direction ;
    un centre (156) de l'ouverture de distribution (150) est situé à une distance d'un fond du plateau qui est inférieure à la moitié de la largeur du plateau ;
    aucune partie de l'ouverture de distribution (150) n'est située à une distance du fond du plateau qui est supérieure à la moitié de la largeur du plateau ;
    aucune partie de l'ouverture de distribution (150) ne chevauche un emplacement prévu d'un centre axial du rouleau d'alimentation central reçu, lors de l'utilisation, sur le plateau ; et
    une hauteur de la paroi d'extrémité (132) est comprise entre la moitié de la largeur du plateau et la largeur du plateau.
  11. Appareil selon l'une quelconque des revendications précédentes, dans lequel le plateau et la paroi d'extrémité (132) sont formés comme des composants distincts fixés l'un à l'autre, et la butée de rouleau (160) est :
    soit un autre composant distinct fixé au composant de plateau et/ou au composant de paroi d'extrémité ;
    soit intégrée à l'un du composant de plateau et du composant de paroi d'extrémité.
  12. Appareil selon l'une quelconque des revendications précédentes, comprenant en outre un support de fixation (180) s'étendant à partir d'une face inférieure du plateau pour constituer un support pour l'appareil.
  13. Appareil selon l'une quelconque des revendications précédentes, comprenant en outre le rouleau d'alimentation central de matériau en bande supporté par le plateau avec une partie d'une extrémité de distribution du rouleau en appui contre la butée de rouleau (160) afin d'espacer la partie de l'extrémité de distribution du rouleau de la paroi d'extrémité.
  14. Appareil selon la revendication 13, lorsqu'elle dépend de la revendication 6, dans lequel le rouleau d'alimentation central est supporté par la première surface (112') et la deuxième surface (114'), par exemple dans lequel le rouleau est supporté par la première surface et la deuxième surface mais n'est pas en contact avec au moins l'une des troisième (116'), quatrième (118') et cinquième (120') surfaces.
  15. Appareil selon la revendication 13 ou la revendication 14, dans lequel le centre de l'ouverture de distribution (150) est situé sous un axe central du rouleau.
EP17181532.7A 2017-07-14 2017-07-14 Appareil distributeur de rouleau à alimentation centrale Active EP3428096B1 (fr)

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Application Number Priority Date Filing Date Title
EP17181532.7A EP3428096B1 (fr) 2017-07-14 2017-07-14 Appareil distributeur de rouleau à alimentation centrale

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016002839U1 (de) * 2016-05-03 2016-06-20 Papier-Mettler Kg Verpackungspapierdispenservorrichtung

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Publication number Priority date Publication date Assignee Title
US7131609B1 (en) * 2005-08-31 2006-11-07 Kimberly-Clark Worldwide, Inc. Dispenser for sheet material
DE102008039617A1 (de) * 2008-08-25 2010-03-04 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Verpackungsmaterialreservoir für eine Vorrichtung zum Bereitstellen von Verpackungsmaterial
ES2531297T3 (es) * 2009-12-18 2015-03-12 Sca Hygiene Prod Ab Dispensador para dispensar papel de rollos de papel tissue de alimentación central
DE202012009025U1 (de) 2012-09-19 2012-12-19 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Vorrichtung zum manuellen Erzeugen eines spiralförmigen Verpackungsmaterials
FR3010621B1 (fr) * 2013-09-19 2015-12-25 Maurice Granger Appareil distributeur de bandes de materiau predecoupe enroulees en bobine positionnee a l'horizontale ou a la verticale

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016002839U1 (de) * 2016-05-03 2016-06-20 Papier-Mettler Kg Verpackungspapierdispenservorrichtung

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