WO2012156680A1 - Appareil et procédé de présentation d'affiches publicitaires recyclables - Google Patents

Appareil et procédé de présentation d'affiches publicitaires recyclables Download PDF

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Publication number
WO2012156680A1
WO2012156680A1 PCT/GB2012/050681 GB2012050681W WO2012156680A1 WO 2012156680 A1 WO2012156680 A1 WO 2012156680A1 GB 2012050681 W GB2012050681 W GB 2012050681W WO 2012156680 A1 WO2012156680 A1 WO 2012156680A1
Authority
WO
WIPO (PCT)
Prior art keywords
display poster
poster
strip
web
support structure
Prior art date
Application number
PCT/GB2012/050681
Other languages
English (en)
Inventor
John Pitt
Original Assignee
Agripaflex Limited
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
Priority claimed from GBGB1108215.3A external-priority patent/GB201108215D0/en
Priority claimed from GBGB1109716.9A external-priority patent/GB201109716D0/en
Application filed by Agripaflex Limited filed Critical Agripaflex Limited
Publication of WO2012156680A1 publication Critical patent/WO2012156680A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/02—Bills, posters, or the like therefor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0018—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels panel clamping or fastening means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0025—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels display surface tensioning means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
    • G09F2007/1873—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the type of sign
    • G09F2007/1886—Tensioned flexible signs

Definitions

  • the present invention is directed to an apparatus and method for displaying recyclable display posters at billboard sites or on walls or windows, and in particular for displaying advertising posters in the form of a single sheet which is readily recyclable after use.
  • Conventional roadside advertising posters comprise a number of sheets, which are glued together in sequence on a billboard. For different billboards, different numbers of sheets are used, but these typically range from six sheets to ninety-six sheets; a ninety-six sheet panel is typically 13 metres in horizontal width.
  • Such posters are inconvenient and time-consuming to install, and require one or more persons with ladders (the top of the billboard may be 6 metres high, for example). Also, when the poster needs to be changed, the original poster either has to be removed, or a new poster glued over it. When the old poster is removed, as it is covered in glue, it cannot be easily or fully recycled.
  • One possible alternative to gluing the poster to the billboard includes first making the poster, preferably as a single sheet, and then "finishing" it such that it can be attached to a frame mounted on the billboard.
  • One way of doing this is to add edge strips to all four edges of the poster.
  • the edge strips can include cylindrical protrusions, such as PVC cores, and are often referred to as keder strips.
  • the edge strips can then be threaded into corresponding recesses in the frame, which is mounted on the billboard.
  • This means that the poster can be installed on the billboard more easily, and also taken down more easily when it is to be replaced.
  • this system requires the poster to be specially “finished” at the creation stage by adding the edge strip, or keder strip to all four sides of the poster.
  • the poster which might be of polyethylene or polypropylene.
  • the poster is not readily recyclable because the poster consists of several different materials, namely the polyethylene or polypropylene of the poster, the PVC-coated polyethersulfone (PES) of the keder strip, and the material of the core in the keder strip which is typically PVC. It is difficult and costly to separate the materials for effective recycling.
  • the replacement poster requires new keder strips to be attached by high frequency welding under factory conditions.
  • a display poster edging strip comprising:
  • a longitudinal core adapted to be located in the longitudinal track, a web extending from the core, and
  • a double sided fastener having a first side bonded to the web and a second fastener side adapted to be bonded to an edge of a display poster.
  • the first side may comprise an adhesive.
  • the first side may be bonded to the web by mechanical means, for example stitching or ultrasonic welding.
  • the second fastener side may comprise an adhesive or other fastener, for example a mechanical fastener, such as hooks or shaped fasteners adapted to engage with mutually engaging fasteners of a hook and loop fastening system, adapted to engage with a surface of the display poster.
  • a mechanical fastener such as hooks or shaped fasteners adapted to engage with mutually engaging fasteners of a hook and loop fastening system, adapted to engage with a surface of the display poster.
  • the edging strip comprises a keder strip.
  • the double sided fastener is a strip extending longitudinally along the web.
  • the width of the web may be at least 1 .5 times the width of the double sided fastener, and may be at least 2 times the width of the double sided fastener.
  • the double sided fastener comprises an adhesive strip having a first adhesive on a first side adhering the adhesive strip to the web and having a second adhesive or fastener on a second side adapted to adhere to or engage the surface of a display poster.
  • the adhesive strip is a double sided perm peel tape which has a permanent or high strength adhesive on the first side and an easy peel adhesive on the second side, such that a display poster of polyethylene can be peeled from the edging strip while leaving the perm peel tape bonded to the web for reuse.
  • the adhesive strip may comprise a polyethylene foam carrier between the first adhesive and the second adhesive.
  • the adhesive strip may comprise a liner of polyethylene film on the outer surface of the second adhesive.
  • the adhesive strip is a double sided adhesive tape which has a permanent or high strength adhesive on the first side and an easy peel adhesive on the second side, such that a display poster which is adhered to the second side can be peeled from the edging strip while leaving the tape bonded to the web for reuse.
  • the adhesive strip is a tape which has a permanent or high strength adhesive on the first side and an easy peel fastener on the second side, such that a display poster which is securable to the fastener can be peeled from the edging strip while leaving the tape bonded to the web for reuse.
  • the second adhesive or fastener on the second side may be adapted to permit removal and re-adhesion of the web to a display poster.
  • the adhesive fastener may include a release paper covering the second adhesive on the second side.
  • the first adhesive has a tack measured by the loop tack test of DIN EN 1945 greater than that of the second adhesive or fastener.
  • the first adhesive has a peel strength according to DIN EN 1939 greater than that of the second adhesive or fastener.
  • the first adhesive may have a tack measured by the loop tack test of DIN EN 1945 of between 20 and 80 N/12.5 cm.
  • the first adhesive may have a peel strength according to DIN EN 1939 of between 18 and 35 N/25 mm.
  • the second adhesive or fastener may have a tack measured by the loop tack test of DIN EN 1945 of between 1 and 20 N/12.5 cm.
  • the second adhesive or fastener may have a peel strength according to DIN EN 1939 of between 10 and 20 N/25 mm.
  • the first and second adhesives have good ageing and weathering resistance.
  • the first and second adhesives may be modified acrylic.
  • the double sided fastener comprises a strip bonded to the web by a mechanical fastening means such as stitching with its first side facing the web, and has a mechanical fastener on its second side adapted to engage the surface of a display poster.
  • the mechanical fastener may comprise hooks or members with shaped heads adapted to engage with loops or fibres on the rear surface of a display poster.
  • the strip may be bonded to the web by any adhesive material deemed suitable.
  • the web of the edging strip may comprise a woven fabric of PES or other material.
  • the fabric may be coated with PVC or other material.
  • the web may be attached to the core by wrapping the web around the core and fusing the coating to itself and to the core. This creates one side of the edging strip with a lap joint and one side of the edging strip without a lap joint.
  • the double sided fastener may be located adjacent to the core.
  • the web fabric may include an uncoated side and the double sided fastener may be applied to the uncoated side. Preferably it is applied to the side of the edging strip without a lap joint.
  • a display poster edging strip comprising the steps of:
  • an edging strip having a longitudinal core and a web extending from the core
  • an apparatus for installing a display poster comprising:
  • top rail secured to the support structure, the top rail having a longitudinal track therein;
  • At least one edging strip comprising a longitudinal core adapted to be located in the longitudinal track, a web extending from the longitudinal core, and a double sided fastener having a first side bonded to the web and a second side adapted to be bonded to a top edge of the display poster.
  • the edging strip is a keder strip, most preferably a display poster edging strip according to the first aspect of the invention.
  • the apparatus may further include two side rails which are removably attachable to the support structure, each side rail having a longitudinal track therein.
  • the apparatus may further include a bottom rail which is removably attachable to the support structure, the bottom rail having a longitudinal track therein.
  • the side rails and/or bottom rail may include one or more first fasteners of a mutually engaging fastening means adapted to engage with one or more second fasteners of the mutually engaging fastening means secured to the support structure.
  • the mutually engaging fastening means may be a mushroom head fastening means, for example 3M DualLockTM.
  • the apparatus may further include two side support strips secured to the support structure, to which are secured the second fasteners of the mutually engaging fastening means which are adapted to engage with the first fasteners of the side rails.
  • the apparatus may further include a bottom support strip secured to the support structure, to which are secured the second fasteners of the mutually engaging fastening means which are adapted to engage with the first fasteners of the bottom rail.
  • the first and /or second fasteners of the mutually engaging fastening means may preferably be provided as a number of discrete fastening pads, arranged on the rails and the support structure / support strip respectively such that the fastening means engage with each other when attaching the rails to the support structure.
  • the mutually engaging fastening means extend continuously along the respective rail and/or side support strip / support structure.
  • discrete fastening pads these may be arranged in a mutually spaced manner in the longitudinal and/or transversal direction of the rails and the support structure / support strip respectively.
  • the second fasteners of the support strip / support structure to be engaged with the first fastener of the side rails and or the bottom rail are provided in a checkerboard-like structure, preferable in the form of areas provided with second fasteners alternate with areas without second fasteners when seen in the longitudinal and transverse direction of the respective support strip/ support structure.
  • the checkerboard-like structure is preferably formed such that the second fasteners form a continuous arrangement when seen from the transverse direction of the support strip / support structure.
  • adjacent areas with second fasteners may overlap in the longitudinal direction of the support strip /structure. If adjacent areas with second fasteners, however, do not overlap but abut in the longitudinal direction of the support strip / support structure the areas may slightly overlap in the transverse direction.
  • the checkerboard-like structure comprises two rows of alternating areas with and without second fasteners running along the longitudinal extension of the support strip / support structure.
  • checkerboard-like structure allows for an easier connection and disconnection of the mutually engaging fastening means than would be the case for a continuous arrangement of second fasteners on the support strip / support structure. At the same time airflow may be prevented from getting behind the poster to be installed. Further a contact of 100 % of the longitudinal extension may be maintained between the respective rails and the support strip / support structure.
  • any other arrangement of areas with and without second fasteners may be used as long as - the second fasteners form a continuous arrangement when seen from the transverse direction of the support strip / support structure and
  • the arrangement has a transverse extension which allows a
  • second fasteners may be forming a zig-zag-line or the like along the longitudinal extension of the support strip / support structure.
  • checkerboard-like structure as used in this description and respective claims is meant to include such alternatives as well.
  • second fasteners may be used on the support strips / support structure to which the side rails and bottom rail will be attached.
  • discrete and mutually spaced fastening pads may be used on the bottom support strip /support structure while a checkerboard-like structure or the like is used on the side support strips / support structures.
  • fastening means of different strength may be used for the different arrangements.
  • a "softer" 3M DualLock® fastener e.g. ST3552
  • a "stiffer" 3M DualLock® fastener e.g. ST3550
  • the support structure may comprise frame members which at least partially cover the top rail, bottom rail and side rails in use when the bottom rail and side rails are attached to the support structure.
  • the display poster may be a printed plastic sheet, for example of polyethylene or of coated woven polypropylene.
  • the display poster has simple cut edges.
  • the display poster may include a fabric layer.
  • the fabric layer may be a lock-loop material or a nonwoven.
  • releasable clamping means may be provided to be attached at the longitudinal ends of the of the at least one display poster edging strip.
  • the poster may be clamped to the web of the edging strip in addition to the functionality of the double sided fastener used.
  • Commercially available clips like e.g. clips sold under the trade name of Holdon ® , may be used as clamping means.
  • such clamping means are provided at all four corners of the poster to be mounted.
  • Additional clamping means may be used regardless of the nature of the used double sided fastener.
  • a method of installing a display poster having a top edge, a bottom edge and side edges on a support structure comprising in a first stage: securing a top rail to the support structure at an intended location of the top edge of the display poster, the top rail having a longitudinal track therein; and securing a plurality of second fasteners of mutually engageable fastening means to the support structure at an intended location of the bottom edge of the display poster;
  • a display poster edging strip comprising a longitudinal core and a web extending therefrom to the top edge of the display poster
  • a display poster edging strip comprising a longitudinal core and a web extending therefrom to the bottom edge of the display poster
  • the method includes the following steps in the first stage:
  • a display poster edging strip comprising a longitudinal core and a web extending therefrom to each of the side edges of the display poster; locating the longitudinal core of the edging strip comprising a longitudinal core and a web extending therefrom at each of the side edges of the display poster in a longitudinal track in a corresponding side rail;
  • the edging strip is a keder strip, most preferably a display poster edging strip according to the first aspect of the invention.
  • each display poster edging strip is applied by placing the corresponding edge of the display poster on the second adhesive or fastener side of the double sided fastener of the edging strip and applying pressure thereto.
  • the corresponding edge of the display poster is located on the second adhesive or fastener side of the double sided fastener of the edging strip adjacent to the core of the keder strip.
  • the display poster may be a printed plastic sheet, for example of polyethylene or of coated woven polypropylene. Preferably the display poster has simple cut edges.
  • the display poster may include a fabric layer, for example a lock-loop material or a nonwoven fabric.
  • the method may preferably further include attaching of releasable clamping means at the ends of the display poster edging strips used.
  • clamping means are provided at all four corners of the mounted poster.
  • the clamping means may preferably be located at the ends of the edging strips of the top and bottom edge of the poster.
  • the step of attaching the releasable clamping means is carried out as the last step of the method of installing a display poster according to the present invention.
  • the attaching of the releasable clamping means may be carried out before the step of tensioning the display poster by pulling one or both of the side rails laterally, if such side rails are present.
  • a method of uninstalling a display poster installed according to the method of the fourth aspect of the invention comprising the steps of: releasing at least one of the bottom rail, and side rails if present, from the support structure by peeling apart the plurality of first fasteners of the mutually engageable fastening means provided on the bottom rail, and side rails if present, from the second fasteners secured on the support structure;
  • Figs 1 to 3 show steps in the method of manufacture of a display poster edging strip according to the invention
  • Figs 4 to 7 show steps in the method of using a display poster edging strip according to the invention in the installation of a display poster;
  • Fig 8 shows a support structure forming part of an apparatus for installing a display poster according to the invention
  • Fig. 8a shows an advantageous embodiment of an arrangement of second fasteners secured on the side rails of a support structure forming part of an apparatus for installing a display poster according to the invention
  • Fig 9 is a sectional view through another support structure forming part of an apparatus for installing a display poster according to the invention.
  • Figs 10 and 1 1 show steps in the method of installing a display poster according to the invention;
  • Fig 12 shows a display poster with edging strip, side rails and bottom rails forming part of the apparatus of the invention
  • Fig 13 is a partial sectional view showing the engagement of the edging strip of a display poster with a side rail of the apparatus of Fig 12;
  • Fig 14 is an enlarged partial sectional view through a display poster edging strip according to the invention.
  • Fig 15 is an enlarged partial sectional view through another display poster edging strip according to the invention.
  • Fig 16 is an enlarged partial sectional view through a further display poster edging strip according to the invention.
  • Fig 17 shows the use of releasable clamping means with one specific embodiment of a display poster edging strip according to the present invention.
  • FIGs 1 and 2 there is shown an embodiment of a display poster edging strip according to the invention and its method of
  • the reusable edging strip 10 is made from a keder strip 12 comprising a longitudinal core 14, which is adapted to be located in the longitudinal track 20 of a rail member 22, and a web 16 extending from the core 14.
  • the core 14 may be an extrusion of circular cross-section of PVC or other suitable plastic material, or it may be a cord of natural or plastic fibres.
  • the web 16 of the edging strip may typically be a PVC coated woven PES fabric, and is attached to the core 14 by wrapping the web around the core and forming a seam 18 by fusing the PVC coating to itself and to the core, for example by high frequency welding, or by adhesive bonding. Any suitable weather resistant material may be used for the web.
  • the seam 18 is best seen in Fig 5.
  • the keder strip may be supplied in roll form.
  • Fig. 1 shows a rail 22 having a slotted track 20 which has an internal diameter slightly larger than the external diameter of the core 14 of the keder strip 12.
  • the rail 22 is secured by fixings 24 to a table 26.
  • a length of keder strip 12 is cut to an appropriate length, being the length of a side of a display poster with which the edging strip 10 is to be used.
  • the core 14 of the cut keder strip 12 is threaded into the track 20 so that the keder strip 12 is held flat, as shown in Fig 1 .
  • a double sided fastener tape 30 is then applied to the web 16 of the keder strip 12, as shown in Fig 2.
  • the tape 30 is shown as a continuous tape extending longitudinally along the keder strip 12, but it can be applied in discrete lengths, either abutting each other or spaced apart.
  • the double sided fastener 30 can be provided as a series of discrete fastening pads rather than as a continuous tape, if required.
  • the tape or other fasteners 30 should be placed as close as possible to the core 14 of the keder strip 12.
  • the tape 30 is a double sided adhesive tape.
  • the tape 30 may be 10 mm wide when used with a web 16 of 25 mm width, or 20 mm wide when used with a web 16 of 50 mm width. It has been found that the web stays flatter and forms a more even bond with the display poster when subsequently attached to the display poster if the width of the web 16 is at least 1 .5 times the width of the adhesive fastener 30 , and preferably at least 2 times the width of the adhesive fastener 30.
  • the first adhesive side of the adhesive fastener is bonded to the web and the second adhesive side is left with the release paper on it, for subsequent removal and bonding to the edge of a display poster.
  • the first adhesive forms a permanent bond between the fastener 30 and the web 16.
  • a roller 32 may be used to apply sufficient pressure to the fastener 30 to form a permanent bond, as shown in Fig 3, either while the keder strip 12 is still held in the rail 22, or after removal from the rail.
  • the tape 30 is a double sided perm peel tape with a polyethylene foam carrier 34, best seen in Fig 14.
  • the carrier 34 has a permanent or high strength adhesive 36 on the first side and an easy peel adhesive 38 on the second side, such that a display poster of polyethylene can be peeled from the edging strip 10 while leaving the perm peel tape 30 bonded to the web 16 for reuse.
  • the tape 30 may include a release paper 39, for example a liner of polyethylene film on the outer surface of the second adhesive 38, which is removed as shown in Fig 4 before the edging strip 10 is applied to a display poster 40.
  • the second adhesive 38 is selected to permit removal and re-adhesion of the web to a display poster.
  • the tape has a permanent or high strength adhesive 36 on the first side and an easy peel mechanical fastener 38 on the second side, such that a display poster which is securable to the fastener can be peeled from the edging strip while leaving the tape bonded to the web for reuse.
  • the first adhesive 36 has a tack measured by the loop tack test of DIN EN 1945 of between 20 and 80 N/12.5 cm, or even higher in the case of a permanent fastener. Typically this is greater than that of the second adhesive or fastener 38, which is typically between 1 and 20 N/12.5 cm.
  • the first adhesive 36 has a peel strength according to DIN EN 1939 of between 18 and 35 N/25 mm, or even higher in the case of a permanent fastener. Typically this is greater than that of the second adhesive or fastener 38, which is typically between 10 and 20 N/25 mm.
  • first and second adhesives 36, 38 will be expected to maintain their adhesion in exposed outdoor locations, and should last for a significant number of re-uses of the edging strips 10, they should have good ageing and weathering resistance. Typically they are of modified acrylic.
  • a suitable adhesive tape is a modified Duplocoll® 51 10 supplied by Lohmann.
  • the double sided fastener 30 may be a tape having a first adhesive 36 on the first side and a mechanical fastener on the second side.
  • the mechanical fastener may include mechanical engaging elements adapted to engage with a surface of the display poster, for example hooks adapted to engage with loops of fabric on the surface of the display poster.
  • the reusable edging strip 10 can then be used with a display poster having a backing layer comprising a lock-loop fabric or nonwoven material, so that the mechanical fastener on the second side adheres to the display poster.
  • the tape 30 is a double-sided pressure sensitive adhesive tape having a carrier 100 and two different adhesives 102, 104.
  • the carrier 100 is typically a polyester or PET film of between 10 and 20 ⁇ thickness.
  • the carrier material may be PVC or polypropylene.
  • the first adhesive 102 which adheres to the web 16 of the keder strip 12 is a dispersion acrylic adhesive, typically between 5 and 250 ⁇ thickness, preferably between 50 and 100 ⁇ thickness.
  • the adhesive should be applied at a coating weight of at least 70 g per m 2 , and tests have shown that a coating weight in the range of 100 to 125 g per m 2 produces a satisfactory bond with the mesh panel.
  • the web 16 is a coated woven fabric, such as Polymar ® supplied by Mehler.
  • the coating for example of PVC, is provided on the internal side 1 14 of the web, while the external side 1 16 of the web is uncoated and so has a textured surface arising from the woven nature of the fabric.
  • the woven material is PES with a yarn count of 800 to 1500 dtex.
  • the coated woven fabric has a total weight of 300 to 600 g/m 2 .
  • the first adhesive is 102 is selected to provide a strong permanent bond to the textured surface 1 16 of the web 16.
  • the tape 30 is positioned as close as possible to the core 14 of the keder strip, so that the display poster 40 can be attached as close as possible to the core 14 of the keder strip, and so the web is not visible when the core 14 is installed in a C-shaped longitudinal track 56, 62, 92 of a top rail 54, bottom rail 60 or side rail 90, as described below with reference to Figs. 9 and 13.
  • This allows the top rail 54, bottom rail 60 and side rails 90 to form an attractive frame for a display poster, since only the display poster will be visible inside the rails once the rails are fixed in position, as described below.
  • This also offers the advantage of preventing rain reaching the adhesive when the display poster s used outdoors.
  • the second adhesive 104 adapted to adhere to the rear surface of the display poster 40 comprises a resin modified solvent-based acrylic adhesive, typically between 5 and 250 ⁇ thickness, preferably between 30 and 100 ⁇ thickness.
  • the second adhesive 104 may be covered by a release paper 206, typically between 50 and 150 ⁇ thickness, preferably between 60 and 100 ⁇ thickness. Any suitable release paper can be used, for example PE-coated paper, crepe, or a film liner such as PP, HPDE or PET.
  • the adhesive tape 30 is supplied in roll form, and the first adhesive is on the open side of the tape, so that the tape can be cut to length and placed on the keder strip.
  • the tape allows clean and residue-free release from one side, where the second adhesive 104 contacts the display poster 40, while the formulation of the first adhesive 102 on the open side of the adhesive tape is
  • the first adhesive has a relatively high tack.
  • the tack measured by the loop tack test of DIN EN 1945 is between 20 and 80 N/12.5 cm.
  • the peel strength according to DIN EN 1939 after short-term storage (10 minutes) at room temperature is between 18 and 35 N/25 mm. It can even increase slightly after storage.
  • the second adhesive 104 has a relatively low tack.
  • tack measured by the loop tack test of DIN EN 1945 is between 1 and 10
  • the peel strength according to DIN EN 1939 after short-term storage (10 minutes) at room temperature is between 7 and 13 N/25 mm.
  • the second adhesive 104 shows high cohesion, thus making this side easily removable from many materials without leaving any residues.
  • the weaker, low tack second adhesive 104 is typically prepared by radical copolymerisation of acrylic monomers in solvent with the help of a starter and addition of a catalyst/curing agent.
  • Suitable pressure sensitive adhesive materials comprise those including at least one copolymerized monofunctional (meth)acrylic acid ester of a nontertiary alcohol in which the alkyl group contains about 4 - 14 carbon atoms on average in an amount between about 50 and 85 weight-%.
  • the pressure sensitive second adhesive 104 can contain at least one co-polymerized, mono-functional, ethylenically unsaturated reinforcing monomer in an amount between about 10 and 30 weight-%.
  • monofunctional (meth)acrylic acid ester refers to a mono(meth)acrylic monomer or a monomer containing one (meth)acrylic functionality.
  • monofunctional (meth)acrylic acid esters are, among others, 2-methylbutyl acrylate, 2-ethylhexyl acrylate, lauryl acrylate, isooctyl acrylate or n-decyl acrylate.
  • Monofunctional reinforcing monomers are, among others, (meth)acrylic acid or a (meth)acrylate like 2-hydroxyethyl acrylate or methacrylate isobornyl acrylate, 2-phenoxyethyl acrylate, cyclohexyl acrylate, phenyl acrylate or t-butyl acrylate.
  • other monomers which may be used are (meth)acrylamide or a vinyl ether.
  • Useful curing agents in the production of the pressure sensitive adhesive are mixtures of liquid polyfunctional isocyanates.
  • the adhesive mass is produced by mixing the different monomers in the desired proportions and by then polymerizing this mixture in a suitable organic solvent such as tertiary butyl alcohol, isopropyl acetate, ethyl acetate, cyclohexane or acetone or the like, alone or mixed with another with the addition of a suitable catalyst or starter for the radical polymerisation, for example an azo compound or a peroxide.
  • a suitable catalyst or starter for the radical polymerisation for example an azo compound or a peroxide.
  • the high tack first adhesive 102 mass is typically formed as a high solids, low viscosity and low VOC aqueous acrylate copolyomer emulsion on the basis of a carboxyl groups containing acrylic acid ester and vinyl ester.
  • the adhesive has a very good adhesion on corrugated paper, low energy surfaces like rigid and filmic HDPE and LDPE, polypropylene, polyester and rigid PVC, making it particularly suitable for PVC coated polyester mesh.
  • Adhesion may with individual fibres in the mesh may also be improved by partial foaming of the first adhesive 102.
  • the first adhesive 102 mainly consists of nontertiary alkyl acrylates of alkanols of 8 to 12 carbon atoms and of acrylates or methacrylates of alkanols of 1 to 4 carbon atoms and/or vinyl esters of carboxylic acids of 2 to 4 carbon atoms and/or (meth)acrylonitrile and/or styrene.
  • Particularly suitable nontertiary alkyl acrylates of alkanols of 8 to 12 carbon atoms are isooctyl acrylate, 2-ethylhexyl acrylate, n-decyl acrylate, n-octyl acrylate or n-dodecyl acrylate.
  • Particularly important vinyl esters of carboxylic acids of 2 to 4 carbon atoms are those of straight chain carboxylic acids, for example vinyl avetate, vinyl propionate or vinyl-n butyrate, but mixtures of such vinyl esters may also be used.
  • the first adhesive 102 may further contain minor amounts of common additives like wetting agents, fillers and colorants, thickeners, defoamers, emulgators or stabilizers.
  • the display poster 40 is of polyethylene or PVC, and can be peeled from the edging strip 10 while leaving the double sided adhesive tape 30 bonded to the web 16 for reuse.
  • the double sided fastener 130 is a tape 120 having mechanical hook fasteners 122 on its second side.
  • the first side facing the web 16 has no adhesive in this embodiment, but is instead secured to the web 16 by two longitudinal rows of stitches 124.
  • the display poster 40 is provided with fabric loop fasteners 126 which engage with the hook fasteners 122.
  • the invention is not limited to hooks and loops, and the hook and loop fasteners 122, 126 can be replaced with any other mutually engaging mechanical fastening means.
  • a suitable tape 120 is Dura-Hook ® 140/3 tape manufactured by Lohmann. The tape typically has a width of between 10 mm and 100 mm.
  • the fasteners 122 must permit repeated attachment and unpeeling of the corresponding fasteners on the display poster 40.
  • the web 16 in this embodiment may be a coated woven fabric, such as Polymar ® supplied by Mehler.
  • the tape 120 is positioned as close as possible to the core 14 of the keder strip, so that the display poster 40 can be attached as close as possible to the core 14 of the keder strip, and so the web is not visible when the core 14 is installed in a C-shaped longitudinal track 56, 62, 92 of a top rail 54, bottom rail 60 or side rail 90, as described below with reference to Figs. 9 and 13.
  • This allows the top rail 54, bottom rail 60 and side rails 90 to form an attractive frame for a display poster, since only the display poster will be visible inside the rails once the rails are fixed in position, as described below.
  • the completed edging strip 10 may be attached to a display poster 40, which is typically a printed polyethylene sheet, although it can be of PVC coated polyester mesh or any other natural or synthetic sheet material which can be printed or to which a design can be applied, and to which an edging strip 10 can be adhesively bonded.
  • a display poster 40 which is typically a printed polyethylene sheet, although it can be of PVC coated polyester mesh or any other natural or synthetic sheet material which can be printed or to which a design can be applied, and to which an edging strip 10 can be adhesively bonded.
  • edging strips 10 are applied to each of the top, bottom and side edges of the display poster, although in practice, where lateral tensioning of the display poster 40 is not required, or where weather conditions do not require restraint of the side edges, or where other methods of restraining the side edges are used, the edging strips 10 may be omitted from the side edges.
  • the display poster 40 should be of a material which includes a fabric backing layer, either applied locally or over the entire sheet. No release paper is required on the edging strip 10 if it includes a mechanical fastener. Otherwise, the edging strip is applied in the same manner as described above when the edging strip includes a double sided adhesive fastener.
  • the display poster 40 is rolled around a spool 42, as shown in Fig 6.
  • the spool 42 may be a cardboard tube or similar, light enough so that the spool 42 with the display poster 40 wrapped around it can be lifted easily by two people.
  • Ties 44 are then fastened around the wrapped display poster 40 and spool 42, as shown in Fig 7, so that the display poster 40 can be transported to the location at which it is to be displayed.
  • the webs 16 of two adjacent edging strips 10 may overlap at a corner 46. This has no effect on the function of the edging strips, although the ends of the edging strips may instead be mitred, so that both edging strips lie flush on the display poster 40.
  • the support structure 50 may be a conventional billboard of the type used for posting conventional paper posters. It can be a free standing flat board supported by legs 52 or it can be mounted on a building or other structure.
  • a top rail 54 is secured to the support structure 50 by screws or other suitable fastening means (not shown).
  • the top rail 54 is an extruded PVC section having a longitudinal track 56 formed therein, although other constructions are possible, e.g. aluminium or wood.
  • the track 56 is a slotted track having an internal diameter slightly larger than the external diameter of the core 14 of the edging strip 10, so that the core can slide readily within the track 56.
  • a side support strip 70 which is secured to the support structure 50 by screws or other suitable fastening means (not shown).
  • a number of discrete fastening pads 74 Arranged along the side support strip 70 are a number of discrete fastening pads 74, which are the second fasteners 74 of a mutually engaging fastening means adapted to engage with first fasteners 94 provided on a side rail 90, as shown in Fig 13.
  • the mutually engaging fastening means 74, 94 are peelable and
  • the second fasteners 74 may alternatively extend continuously along the side support strip 70, or may be applied directly to the support structure 50.
  • An alternative arrangement of the second fasteners 74 on the side support strip 70 is shown in Fig. 8a.
  • the fasteners 74 are arranged in a
  • checkerboard-like structure with areas containing second fasteners 74 alternating in longitudinal and transversal direction of the strip 70 with areas 74a without second fasteners.
  • the checkerboard-like structure is such that the second fasteners 74 form a continuous arrangement when seen in the transverse direction of the strip 70.
  • the areas with second fasteners 74 do not overlap in the longitudinal or transverse direction of the strip 70 in the shown example.
  • the shown checkerboard-like structure extends essentially over the whole surface of strip 70 with two columns of alternating areas with second fasteners 74 and areas without 74a second fasteners extending in the transverse direction of strip 70.
  • a bottom support strip 72 which is secured to the support structure 50 by screws or other suitable fastening means (not shown).
  • a number of discrete fastening pads 76 Arranged along the bottom support strip 72 are a number of discrete fastening pads 76, which are the second fasteners 76 of a mutually engaging fastening means adapted to engage with first fasteners 64 provided on a bottom rail 60, as shown in Fig 9.
  • the mutually engaging fastening means 76, 64 are peelable and
  • mushroom headed fasteners such as 3M
  • DualLock® or hook and loop fasteners or any other fasteners which allow adjustment in relative position of the two fasteners.
  • the second fasteners 64 may alternatively extend continuously along the bottom support strip 72, or may be applied directly to the support structure 50.
  • a suitable fastener is 3M DualLock® SJ3552, in a width of 25 mm. This allows up to 30 mm lateral adjustment on the positioning of each side rail 90 and up to 30 mm vertical adjustment on the positioning of the bottom rail 60 to allow adjustment of tension in the poster, as described below.
  • the apparatus includes two side rails 90 which are removably attachable to the support structure 50 by means of the mutually engaging fastening means 74, 94.
  • the first fasteners 94 are shown as extending continuously along the side rail 90, but they may instead be provided as separate discrete fasteners which are aligned to engage with the second fasteners 74 on the support structure 50.
  • each side rail 90 is an extruded PVC section having a longitudinal track 92 formed therein, although other constructions are possible, e.g. aluminium or wood.
  • the track 92 is a slotted track having an internal diameter slightly larger than the external diameter of the core 14 of the edging strip 10, so that the core can slide readily within the track 92.
  • Each side rail 90 is shown as being one piece, although it can be formed as two or more separate pieces which abut in use.
  • the apparatus also includes one or more bottom rails 90 which are removably attachable to the support structure 50 by means of the mutually engaging fastening means 64, 76.
  • the first fasteners 64 are shown as extending continuously along each bottom rail 90, but they may instead be provided as separate discrete fasteners which are aligned to engage with the second fasteners 76 on the support structure 50.
  • each bottom rail 60 is an extruded PVC section having a longitudinal track 62 formed therein, although other constructions are possible, e.g. aluminium or wood.
  • the track 62 is a slotted track having an internal diameter slightly larger than the external diameter of the core 14 of the edging strip 10, so that the core can slide readily within the track 62.
  • the support structure may comprise frame members 82 which extend around the perimeter of the support structure, shown in Fig 9 but omitted from Fig 8 for clarity.
  • the frame members 82 may be supported from spacing members 80 fixed to the support structure.
  • the frame members 82 at least partially cover the top rail, bottom rail and side rails in use when the bottom rail and side rails are attached to the support structure. This creates the effect of a single solid frame to the display poster where it is required.
  • the display poster 40 itself is a printed plastic sheet, for example of smooth or woven polyethylene or of coated woven polypropylene. No finishing of the edges of the display poster 40 is required before
  • attachment to the edging strip 10 may have simple cut edges.
  • the second adhesive or fastener 38 is selected to give the appropriate peelability when separating the edging strip 10 for re-use, while maintaining a bond between the poster 40 and the edging strip 10 during the period in which the poster 40 is being displayed.
  • a poster site is prepared prior to installing the display poster by securing a top rail 54 to the support structure 50 at an intended location of the top edge of the display poster 40, securing a plurality of second fasteners 76 of mutually engageable fastening means to the support structure at an intended location of the bottom edge of the display poster 50, preferably by securing the bottom support strip 72 to the support structure, and securing a plurality of second fasteners 74 of mutually engageable fastening means to the support structure 50 at intended locations of the side edges of the display poster 50, preferably by securing the side support strips 74 to the support structure.
  • the positions of the bottom and side support strips are selected to suit the intended size of display poster.
  • the apparatus of the invention can be fixed to an existing poster site or to a new poster site.
  • the edging strips 10 are applied to the edges of the display poster 40 as previously described.
  • the poster 40 on its spool 42 is then held vertically adjacent to one of the side support strips 70 on the support structure 50, and the longitudinal core 14 of the edging strip 10 at the top edge of the display poster 40 is threaded into the longitudinal track 56 of the top rail 54.
  • This can readily be done by a first operative on a ladder while second operative holds up the spool 42 and poster 40, as shown in Fig 10.
  • the first operative can descend the ladder and pull the poster 40 across the support structure 50, while the second operative continues to hold the spool 42 while allowing the spool to rotate as the poster 40 unwinds, as shown in Fig 1 1 .
  • the spool 42 can be put away.
  • the longitudinal core of the edging strip 10 at the bottom edge of the display poster 40 is then engaged in the longitudinal track 62 of the one or more bottom rails 60.
  • the display poster 40 is then tensioned vertically by pulling the bottom rail 60 downwards, and the bottom rail 60 is attached to the support structure by engaging the first fasteners 64 on the bottom rail 60 with the second fasteners 76 on the support structure 50, while continuing to hold the poster 40 in vertical tension.
  • the engagement of the mushroom headed fasteners 64, 76 requires only hand pressure on the bottom rail 60, and even if a frame 82 covers the bottom rail 60 as shown in Fig 9, an operative can reach inside and provide sufficient hand pressure to engage the fasteners 64, 76.
  • the longitudinal core of the edging strip 10 at each side edge of the display poster is then engaged in the longitudinal track 92 of the corresponding side rail 70.
  • One of the side rails is fixed to the support structure by engaging the first fasteners 94 on the side rail 90 with the second fasteners 74 on the support structure 50.
  • the display poster 40 is then tensioned horizontally by pulling the other side rail 90 laterally, and the other side rail is attached to the support structure 50 by engaging the first fasteners 94 on the side rail 90 with the second fasteners 74 on the support structure, while continuing to hold the poster 40 in horizontal tension.
  • the bottom rail 60 and side rails 90 are first released from the support structure by peeling apart the first 64, 94 and second fasteners 76, 74 of the mutually engageable fastening means. This can be done by hand.
  • the bottom rail 60 and side rails 90 are then removed by sliding from the longitudinal cores 12 of the edging strips 10 at the bottom and side edges of the display poster 40.
  • the whole display poster, which is now suspended from the top rail 54, can now be removed by pulling sideways on the poster 40 so that the longitudinal core 12 of the edging strips 10 at the top edge of the display poster 40 slides out of the track 56 in the top rail 54.
  • the display poster can then be removed to a factory for recycling.
  • a new display poster can be installed as described above.
  • the recycling steps are optimally carried out under factory conditions.
  • the edging strips 10 are removed from the edges of the display poster 50 by peeling the display poster 50 from the second adhesive or mechanical fastener 38 of the double sided fastener 30 on each edging strip.
  • the edging strips are kept for re-use, while the display poster itself, which has no component parts attached to it and therefore comprises one or two materials only, can be recycled.
  • a temporary release paper 39 can be applied to the second adhesive 38 on the edging strip 10, so that the adhesive remains uncontaminated until re-use.
  • the edging strip can be re-used immediately on a new display poster.
  • the invention offers several advantages over prior art display poster systems.
  • the display poster 40 has no permanent fixings attached to it, and the edges need no expensive processing, so it can be readily recycled as a single material.
  • the edging strips 10 can be re-used many times, thus minimising the cost per use.
  • the only waste tern is therefore the basic display poster 40 itself, which is a simple cut sheet of printed polyethylene or the like. Such material is readily recycled.
  • the first stage of installation namely applying the edging strips 10 to the display poster 40, can be carried out in factory conditions, and the display poster 40 can be rolled up for simple and quick installation on site.
  • Site installation can be carried out by two operatives with one ladder. If a means is provided to support the spool 42 while the top core 12 is threaded into the top rail 54, installation can be carried out by one operative using one ladder.
  • top rail 54, bottom rail 60 and side rails 90 provide an attractive framing system, which needs no further framing.
  • the invention can be used on an existing billboard structure which already has a frame 82 if the space behind the frame permits.
  • the system can be used on any existing support structure which has a flat surface of sufficient dimensions.
  • adjustable mutually engaging fastening means allows simple adjustment of the tension in the poster, both vertically and horizontally, so that small discrepancies in poster size can be accommodated while still allowing the poster to be tensioned.
  • the side rails 90 and side support strips 70 can be omitted if required.
  • the side rails 90 and bottom rail 60 can be continuous or discontinuous, abutting or spaced apart.
  • the display poster can be any suitable size.
  • small display posters as small as 1000 mm high or less and 600 mm wide or less, may be used on internal or external walls.
  • the top rail 54, side support strips 70 and bottom support strip 72 can be fixed directly to the wall, so that the wall becomes the support structure 50.
  • the top rail 54, side support strips 70 and bottom support strip 72 can be fixed to a separate panel which forms the support structure 50, and the panel can be fixed to the wall.
  • the double sided fastener 30, 120 can be applied to the keder strip 12 by a continuous manufacturing process, rather than by hand.
  • the first adhesive 36 of the tape can be replaced by another bonding means to bond the tape 30 to the web 16 of the keder strip 12, for example high frequency welding or mechanical stitching.
  • the tape 30 can be replaced by a single adhesive layer which is bonded directly to the web 16 of the keder strip 12 and which has a peelable top surface which performs the function of the second adhesive 38 and which can be peelably adhered to the display sheet 40.
  • Fig. 17 shows an exemplary use of releasable clamping means 200 in order to clamp the display poster 40 to the longitudinal end of edging strip 10 in addition to the adhesion due to fastener 30.
  • such means 200 may be used with other fastener means 30 / 130 like e.g. those shown in Figs. 15 and 16.
  • clamping means 200 will be used on all four corners of the display poster 40.
  • they may be used to clamp poster 40 to the longitudinal ends of the top and bottom edging strips.
  • the clamping means 200 are attached after the longitudinal cores 14 of the edging strips 10 are engaged in the longitudinal tracks of the respective rails and the respective rails are attached to the support strips / support structure, i.e. after the installation of the display poster.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)

Abstract

La présente invention se rapporte à un appareil et à un procédé de présentation d'affiches publicitaires recyclables sur des sites de panneaux d'affichage ou sur des murs ou fenêtres. Selon un aspect de la présente invention, un appareil permettant d'installer une affiche comprend une structure de support (50), une glissière supérieure (54) fixée à la structure de support, la glissière supérieure contenant un rail longitudinal. L'appareil comprend en outre une affiche et au moins un ruban de bordure comprenant une âme longitudinale conçue pour se loger dans le rail longitudinal, une bande s'étendant depuis l'âme longitudinale, et un élément de fixation double face ayant un premier côté lié à la bande et un second côté à lier à un bord supérieur de l'affiche. Un autre aspect de la présente invention concerne un procédé d'installation d'une affiche ayant un bord supérieur, un bord inférieur et des bords latéraux sur une structure de support.
PCT/GB2012/050681 2011-05-17 2012-03-27 Appareil et procédé de présentation d'affiches publicitaires recyclables WO2012156680A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB1108215.3A GB201108215D0 (en) 2011-05-17 2011-05-17 Apparatus and method for displaying recyclable advertising posters
GB1108215.3 2011-05-17
GB1109716.9 2011-06-10
GBGB1109716.9A GB201109716D0 (en) 2011-06-10 2011-06-10 Apparatus and method for displaying recyclable advertising posters

Publications (1)

Publication Number Publication Date
WO2012156680A1 true WO2012156680A1 (fr) 2012-11-22

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WO (1) WO2012156680A1 (fr)

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EP2913817A1 (fr) * 2014-02-28 2015-09-02 Agripaflex Limited Système de fixation d'affiches d'affichage
WO2017200509A1 (fr) * 2016-05-16 2017-11-23 Ivanchenko Yaroslav Procédé de fabrication de revêtement décoratif pour plafond et murs
US10316695B2 (en) 2015-12-10 2019-06-11 General Electric Company Metallic attachment system integrated into a composite structure
ES2897525A1 (es) * 2021-10-08 2022-03-01 Egana Arrieta Joseba Banda para su union a un textil de poliester que se fija sobre un bastidor y procedimiento para su obtencion
WO2023233054A1 (fr) * 2022-05-30 2023-12-07 Egana Arrieta Joseba Bande à joindre à un élément textile en polyester qui se fixe sur un support et procédé pour son obtention
WO2024084116A1 (fr) * 2022-10-17 2024-04-25 Egana Arrieta Joseba Bande à joindre à un textile en polyester qui se fixe sur un support

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GB201912432D0 (en) * 2019-08-29 2019-10-16 Pbs Int Ltd PLant Pollination control systems

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EP2913817A1 (fr) * 2014-02-28 2015-09-02 Agripaflex Limited Système de fixation d'affiches d'affichage
US10316695B2 (en) 2015-12-10 2019-06-11 General Electric Company Metallic attachment system integrated into a composite structure
US11859509B2 (en) 2015-12-10 2024-01-02 General Electric Company Metallic attachment system integrated into a composite structure
WO2017200509A1 (fr) * 2016-05-16 2017-11-23 Ivanchenko Yaroslav Procédé de fabrication de revêtement décoratif pour plafond et murs
ES2897525A1 (es) * 2021-10-08 2022-03-01 Egana Arrieta Joseba Banda para su union a un textil de poliester que se fija sobre un bastidor y procedimiento para su obtencion
WO2023057667A1 (fr) * 2021-10-08 2023-04-13 Egana Arrieta Joseba Bande à joindre à un élément textile de polyester qui se fixe sur un support et procédé pour son obtention
WO2023233054A1 (fr) * 2022-05-30 2023-12-07 Egana Arrieta Joseba Bande à joindre à un élément textile en polyester qui se fixe sur un support et procédé pour son obtention
ES2957063A1 (es) * 2022-05-30 2024-01-10 Arrieta Joseba Egana Banda para su union a un textil de poliester que se fija sobre un bastidor y procedimiento para su obtencion
WO2024084116A1 (fr) * 2022-10-17 2024-04-25 Egana Arrieta Joseba Bande à joindre à un textile en polyester qui se fixe sur un support

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GB2491228A (en) 2012-11-28
GB201207337D0 (en) 2012-06-13

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