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WO2009004537A1 - Ppprocédé et organe de retenue pour fixer des marchandises chargées sur une palette - Google Patents

Ppprocédé et organe de retenue pour fixer des marchandises chargées sur une palette Download PDF

Info

Publication number
WO2009004537A1
WO2009004537A1 PCT/IB2008/052565 IB2008052565W WO2009004537A1 WO 2009004537 A1 WO2009004537 A1 WO 2009004537A1 IB 2008052565 W IB2008052565 W IB 2008052565W WO 2009004537 A1 WO2009004537 A1 WO 2009004537A1
Authority
WO
WIPO (PCT)
Prior art keywords
strapping
retainer
pallet
goods
protuberance
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.)
Ceased
Application number
PCT/IB2008/052565
Other languages
English (en)
Inventor
Richard Enslin Clarke
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.)
CLARKE TECHNOLOGIES Pty Ltd
Original Assignee
CLARKE TECHNOLOGIES Pty Ltd
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 CLARKE TECHNOLOGIES Pty Ltd filed Critical CLARKE TECHNOLOGIES Pty Ltd
Publication of WO2009004537A1 publication Critical patent/WO2009004537A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P7/00—Securing or covering of load on vehicles
    • B60P7/06—Securing of load
    • B60P7/08—Securing to the vehicle floor or sides
    • B60P7/0823—Straps; Tighteners
    • B60P7/0869—Protecting the strap or the load from wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/0088—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D71/0092—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck provided with one or more rigid supports, at least one dimension of the supports corresponding to a dimension of the load, e.g. skids
    • B65D71/0096—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck provided with one or more rigid supports, at least one dimension of the supports corresponding to a dimension of the load, e.g. skids the dimensions of the supports corresponding to the periphery of the load, e.g. pallets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00006—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D2571/00111—Arrangements of flexible binders
    • B65D2571/00117—Arrangements of flexible binders with protecting or supporting elements arranged between binder and articles or materials, e.g. for preventing chafing of binder

Definitions

  • This invention relates to the loading of goods onto pallets such as wooden or plastic pallets and securing the loaded goods on the pallets in the international transport and warehousing industries.
  • the invention relates to a method of securing loaded goods on a pallet and a strapping retainer.
  • the international transportation and warehousing industries have historically used wooden pallets for moving and storing goods.
  • the industries have used various means of securing goods to pallets and these include: a) goods are held on the pallet by vertical and/or horizontal strapping where the use of edge protectors further spreads the localized load applied to the goods by the strapping. The strapping is held in place by tension in the strapping, which causes it to grip on the pallet and the loaded goods, by friction.
  • goods are plastic wrapped, typically by placing the loaded pallet on a turntable and applying multiple layers of plastic sheet while turning the pallet.
  • the loaded pallet is placed on a stand and a plastic sheath or "sock" is dropped over the loaded pallet to extend around the loaded goods and the pallet. The plastic "sock” is then heat shrunken so that it grips the loaded pallet.
  • tension in the strapping which is required to pull the strapping tightly against the pallet and/or goods so that it is held in place by friction, is applied at an angle and has a force component pulling the strapping along the surface of the pallet/goods, which typically causes the strapping to slip along the surface so that it looses its angular orientation and thus its tension.
  • the result is that the strapping could fall off the pallet leaving the loaded goods unsecured and exposed to damage. Further, if the strapping is not angled, it often slips over the edges of the pallet and/or the goods, thereby releasing the loaded goods.
  • Methods (b) and (c) are very time consuming as the pallet is usually loaded/packed in one area, e.g. in a warehouse and then the loaded pallet is moved (this entails handling of the pallet with unsecured loaded goods) to the plastic wrapping area where it is once more handled.
  • plastic wrapping is applied horizontally or at small angles from horizontal and has practically no capability of securing the goods to the pallet in a vertical direction.
  • goods such as fresh produce in this manner as the plastic sweats (i.e. prevents ventilation and causes moisture trapped inside the plastic to condensate), causing bacterial growth.
  • the plastic also forms a barrier against refrigerated airflow, thus making cooling of the loaded goods practically impossible and causing damage to goods such as fresh produce. Further, the production of ethylene by the fresh produce is enhanced and the gas is concentrated by the plastic barrier causing further damage.
  • the present invention seeks to provide for the securing of loaded goods on a pallet in a manner that overcomes these deficiencies of presently used methods.
  • a method of securing loaded goods on a pallet comprising the steps of: positioning at least one strapping retainer along a periphery of the loaded goods; spanning an elongate strapping member to extend at least partly around the loaded goods and across the strapping retainer; applying tension to the strapping member; and attaching the strapping member to the pallet; wherein the method includes passing the strapping member adjacent a retaining formation defined on the strapping retainer.
  • the strapping retainer may be positioned along an edge of the load, particularly an upper edge.
  • the method may include a preceding step of attaching said retaining formation to a body of the strapping retainer.
  • the retaining formation may include a recess and the method may include passing the strapping member through the recess, at least in part.
  • the retaining formation may include a protuberance and the method may include passing the strapping member adjacent the protuberance.
  • the retaining formation includes a recess and the protuberance is angled and extends over the recess, at least in part. The strapping member may be passed adjacent the retaining formation by passing it through the recess and simultaneously passing it under the protuberance.
  • the strapping member may be any elongate element capable of bearing a tensile load, e.g. a polymeric strap.
  • the method may include spanning the strapping member to extend at an angle relative to the pallet and may include attaching the strapping member to the pallet directly, or indirectly by extending around at least part of the pallet.
  • a plurality of retaining formations are used, e.g. on opposing upper edges of the loaded goods and a plurality of strapping elements or a plurality of passes of strapping elements are used to secure the loaded goods.
  • the strapping elements are preferably disposed symmetrically around the loaded goods so that tensile loads applied from different strapping elements to the loaded goods are in balance.
  • a strapping retainer comprising a body defining at least one engagement formation configured to engage a periphery of goods loaded onto a pallet and at least one retaining formation adjacent which an elongate strapping member can extend, said retaining formation being configured to retain the strapping member against sliding along the periphery of the loaded goods.
  • the body may have an L-shaped cross-sectional profile, and the recess between the two flanges of its profile may form the engagement formation that is configured to engage an outer edge of the loaded goods.
  • the body may be elongate and may include a plurality of the retaining formations, spaced apart along its length.
  • Each retaining formation may include a recess that may be configured to allow the strapping member to pass through it.
  • Said retaining formation may include an angled protuberance that extends partly over a recess.
  • the free end of the protuberance may be angled towards the closest end of the strapping retainer and/or towards the centre of the strapping retainer, depending on the strapping configuration for which it is intended.
  • the engagement formation may for example include two such protuberances that are angled towards each other, defining an aperture between them that is configured to receive the strapping member.
  • the protuberances may also be joined at their ends, thus forming a loop surrounding an aperture through which the strapping member can pass, e.g. a strapping member such as a strap or rope.
  • the protuberance may be made as a separate item that can be attached to the body or the entire strapping retainer may comprise of a body forming the protuberance, that can be attached, e.g. with adhesive or straps, to the load that is intended to be secured.
  • the strapping retainer may include spacing protuberances such as ribs.
  • Figure 1 is a perspective view of loaded goods on a pallet, secured on the pallet with strapping in accordance with a first embodiment of the present invention
  • Figure 2 is a perspective view of loaded goods on a pallet, secured on the pallet with strapping in accordance with a second embodiment of the present invention
  • FIG. 3 is a detail perspective view of a retaining formation of a strapping retainer in accordance with the present invention.
  • Figure 4 is a perspective view of loaded goods on a pallet, secured on the pallet with strapping in accordance with a third embodiment of the present invention.
  • a pallet is generally indicated by reference numeral 10 and goods loaded onto the pallet are indicated by reference numeral 12.
  • the goods 12 are shown in the drawings as rectangular boxes, but the invention has an unlimited number of other applications as well and the boxes merely serve as an illustrative example.
  • Each pallet 10 has a reasonably conventional construction with an upper deck 14, a lower deck 16 and spacers 18 extending between the decks to define apertures 20 into which the forks of fork trucks can extend.
  • the pallets 10 also include attachment lugs 22 at each corner of each upper deck 14 with apertures 24 through which strapping can pass.
  • a strapping retainer in accordance with the present invention is generally indicated by reference numeral 26 and has a shape generally resembling a conventional edge protector, comprising an elongate body with an L-shaped cross sectional profile and transverse spacing ribs 28 extending on the outside of both of the two flanges of its L-shape.
  • each rib 28 extends for the entire width of the relevant flange, extends around the corner of the L-shaped profile of the retainer 26 and continues (without interruption) for the full width of the other flange. This can be seen in Figure 3, which shows that the rib 28 covers both faces of the retainer 26 and extends around the corner from the vertical flange to the horizontal flange.
  • the purposes of the ribs 28 are to add strength (stiffness) to the retainer 26, to assist in creating a gap between the of the upper, horizontal flange of a retainer and a pallet (or other load) placed on top of the goods 12 and to lift or keep such a top load off of the retaining formations 30 described below.
  • the recess on the inside of the L-shape, between the two flanges forms an engagement formation in the form of a V-shaped recess with a shape that complements the outer edges of the goods 12 and that can thus engage the outer edges of the goods, snugly.
  • Each strapping retainer 26 shown in Figure 1 has four retaining formations and each strapping retainer shown in Figure 2 has two retaining formations.
  • the retaining formations are spaced apart along the length of each strapping retainer 26 and each retaining formation is generally indicated by reference numeral 30. Any other number of retaining formations 30 can be used, as required in a particular case and some of the retaining formations 30 may be left idle, as required.
  • each retaining formation 30 includes a recess 32 and a protuberance 34 that extends partly over the recess with its free end being angled either towards the closest end or towards the centre of the strapping retainer 26 (see below) and the retaining formations 30 can be in close proximity to each other or distanced from each other.
  • the wall thickness of the strapping retainer 26 is small and the recess 32 extends through the strapping retainer, but the edges along the periphery of the recess on the outside of the strapping retainer are raised sufficiently such that a straight line between any of these edges would not intersect the V-shaped recess on the inside of the strapping retainer.
  • each protuberance 34 is curved so as not to protrude too severely from the outside of the strapping retainer 26 and its free end extends generally parallel with the body of the strapping retainer, thus limiting its exposure to inadvertent damage.
  • the exposure of the protuberances 34 to damage is further limited by the ribs 28 which prevent some larger objects from making direct contact with the outer surfaces of the strapping retainer 26.
  • Each protuberance 34 is also typically reinforced by a longitudinal rib 36 along its outside.
  • the goods 12 can be secured on the pallet 10 by positioning two of the strapping retainers 26 along opposing upper edges of the goods, spanning elongate strapping members such as polymeric straps 38 to extend around the goods and across the strapping retainers, passing the straps through the recesses 32 and underneath the protuberances 34 as shown in Figure 3, tightening the straps to place them under tension and attaching the straps to the pallet by attaching them to the lugs 22.
  • the strapping retainers 26 along opposing upper edges of the goods, spanning elongate strapping members such as polymeric straps 38 to extend around the goods and across the strapping retainers, passing the straps through the recesses 32 and underneath the protuberances 34 as shown in Figure 3, tightening the straps to place them under tension and attaching the straps to the pallet by attaching them to the lugs 22.
  • any number of strapping retainers 26 can be used, depending on the goods 12 to be secured, that any number of straps 38 or any number of passes of straps can be used and/or that the straps can be attached to the pallet 10 in any suitable way, e.g. directly by passing them through the apertures 24 of the lugs 22 or indirectly through the apertures 20 to extend in part around the upper deck 14.
  • the straps 38 can extend generally vertically as illustrated by the vertical runs 40 of straps in Figure 1 , can extend generally diagonally as illustrated by the diagonal runs 42 of straps in Figure 2, can extend at any other angle as illustrated by the steep angled runs 44 of straps in Figure 1 , can extend generally horizontally around the goods 12 as shown by the horizontal runs 46 of the straps in Figures 1 and 2, or the like.
  • the vertical straps 40 are passed underneath the protuberances 34 of the retaining formations 30 nearest to the ends of the strapping retainers 26 and the free ends of the protuberances extend towards the centers of the strapping retainers, thus holding the straps 40 against slipping off the corners of the goods 12.
  • the steep angled straps 44 each pass underneath protuberances 34 with free ends that extend towards the centers of the strapping retainers 26, but the diagonal straps 42 each pass underneath protuberances 34 with free ends that extend towards the ends of the strapping retainers 26, thus holding the straps against sliding along the upper edges of the goods 12 and preventing the straps from assuming a less angular orientation (i.e. meeting the retainer at a larger angle) and losing their tension.
  • the retainers 26 can also be positioned along vertical edges of the goods 12 and the straps 38 can extend also around the vertical retainers.
  • the straps 38 include steep angled runs 44 and horizontal runs 46, similar to those shown in Figure 1 and in addition, it includes shallow angled runs 48, extending around the goods and the vertical retainers 26.
  • the retaining formations 30 can include protuberances 34 that extend in both directions (i.e. towards the ends of the retainer and towards the centre of the retainer), for versatility and/or for holding the straps 38 against sliding in either direction.
  • the protuberances 34 in such a configuration can be arranged in pairs with the free ends of the protuberances in each pair facing each other, but being spaced apart and with a single recess 32 extending between the pair of protuberances.
  • the straps 38 have been applied symmetrically around the goods 12 so that the tensile loads applied from different straps to the goods are in balance.
  • the protuberance 34 is made as a separate item that can be attached to the body, or the entire strapping retainer 26 may comprises a body forming the protuberance 34, that can be attached, e.g. with adhesive or straps 38 to the load 12 that is intended to be secured. Additionally, two protuberances 34 can be joined at their ends to form a separate item that can be attached to the body, thus forming a loop surrounding an aperture through which the strapping member 38 can pass, e.g. a strapping member such as a strap or rope.
  • the invention illustrated allows the load 12 to be secured on the pallet 10 with straps 38 in a variety of configurations, with a substantially reduced likelihood that a strap will slip along the periphery of the load and at the same time, the invention prevents tension from the straps 38 from damaging the goods 12.
  • the use of angled strapping also inhibits pilfering of the palletized goods 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Pallets (AREA)

Abstract

L'invention porte sur un procédé et un organe de retenue de cerclage ( (26) pour fixer des marchandises chargées ( (12) sur des palettes ( (10). Le procédé comprend le positionnement d'organes de retenue de cerclage ( (26) le long de périphéries des marchandises chargées ( (12), le déploiement d'éléments de cerclage allongés ( (38) autour des marchandises chargées ( (12) et autour en travers des organes de retenue de cerclage ( (26), la mise en tension des éléments de cerclage ( (38) et la fixation des éléments de cerclage ( (38) aux palettes ( (10) par passage de celles-cien les faisant passer au voisinage de formations de retenue ( (30) définies sur les organes de retenue de cerclage ( (26). L'organe de retenue de cerclage ( (26) comprend un corps définissant une formation d'engagement de mise en prise pour s'engager se mettre en prise avec une périphérie des marchandises chargées ( (12), et une ou plusieurs formations de retenue ( (30) au voisinage desquelles peuvent s'étendre les éléments de cerclage ( (38). Les formations de retenue ( (30) sont configurées pour retenir les éléments de cerclage ( (30) à l'encontre d'un coulissement le long des périphéries des marchandises chargées ( (12).
PCT/IB2008/052565 2007-06-29 2008-06-26 Ppprocédé et organe de retenue pour fixer des marchandises chargées sur une palette Ceased WO2009004537A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200705355 2007-06-29
ZA2007/05355 2007-06-29

Publications (1)

Publication Number Publication Date
WO2009004537A1 true WO2009004537A1 (fr) 2009-01-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/052565 Ceased WO2009004537A1 (fr) 2007-06-29 2008-06-26 Ppprocédé et organe de retenue pour fixer des marchandises chargées sur une palette

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Country Link
WO (1) WO2009004537A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009018710A1 (de) * 2009-04-27 2010-10-28 Wistra Gmbh Transport - Sicherheit - Systeme Vorrichtung zur Transportsicherung von mehreren auf einer Fahrzeugladefläche nebeneinander angeordneten Ladeguteinheiten
WO2021224781A1 (fr) * 2020-05-04 2021-11-11 Foodpartner S.R.L. Dispositif de protection pour unite de charge
US20220144518A1 (en) * 2020-11-07 2022-05-12 Encore Packaging Llc Securing Apparatus for Packaging and Shipping

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1003108A (en) * 1911-02-21 1911-09-12 John P Hinrichs Clamp for lumber and the like.
US3938660A (en) * 1974-06-27 1976-02-17 Libbey-Owens-Ford Company Glass sheet shipping packages
US4938357A (en) * 1989-08-24 1990-07-03 Sander Gmbh & Co. Corner-angle edge protector
DE9307765U1 (de) * 1992-08-26 1993-10-21 Bähr, Richard, 89186 Illerrieden Stapelband zur Halterung von stapelfähiger, vorzugsweise verpackter Ware auf einer Palette
US5423428A (en) * 1994-06-02 1995-06-13 Selz; John C. Palletized load cover for use with belted pallets
US5436044A (en) * 1990-08-15 1995-07-25 Elizabeth Webbing Mills, Inc. Cargo securement strap
EP0752342A1 (fr) * 1995-07-03 1997-01-08 Spanset Inter Ag Dispositif de maintien de chargement
DE19626497A1 (de) * 1996-07-02 1998-01-15 Henkel Kgaa Ladungssicherunskreuz und Verfahren zum Sichern von Fässern auf Transportmitteln
AU776697B2 (en) * 2000-03-02 2004-09-16 S Sali & Sons Pty Ltd Pallet angle
WO2006024050A1 (fr) * 2004-08-27 2006-03-02 Richard Clarke Procede de ficelage de marchandises emballees
EP1930212A1 (fr) * 2006-12-04 2008-06-11 Huwer KG Angle de sécurisation de charge

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1003108A (en) * 1911-02-21 1911-09-12 John P Hinrichs Clamp for lumber and the like.
US3938660A (en) * 1974-06-27 1976-02-17 Libbey-Owens-Ford Company Glass sheet shipping packages
US4938357A (en) * 1989-08-24 1990-07-03 Sander Gmbh & Co. Corner-angle edge protector
US5436044A (en) * 1990-08-15 1995-07-25 Elizabeth Webbing Mills, Inc. Cargo securement strap
DE9307765U1 (de) * 1992-08-26 1993-10-21 Bähr, Richard, 89186 Illerrieden Stapelband zur Halterung von stapelfähiger, vorzugsweise verpackter Ware auf einer Palette
US5423428A (en) * 1994-06-02 1995-06-13 Selz; John C. Palletized load cover for use with belted pallets
EP0752342A1 (fr) * 1995-07-03 1997-01-08 Spanset Inter Ag Dispositif de maintien de chargement
DE19626497A1 (de) * 1996-07-02 1998-01-15 Henkel Kgaa Ladungssicherunskreuz und Verfahren zum Sichern von Fässern auf Transportmitteln
AU776697B2 (en) * 2000-03-02 2004-09-16 S Sali & Sons Pty Ltd Pallet angle
WO2006024050A1 (fr) * 2004-08-27 2006-03-02 Richard Clarke Procede de ficelage de marchandises emballees
EP1930212A1 (fr) * 2006-12-04 2008-06-11 Huwer KG Angle de sécurisation de charge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009018710A1 (de) * 2009-04-27 2010-10-28 Wistra Gmbh Transport - Sicherheit - Systeme Vorrichtung zur Transportsicherung von mehreren auf einer Fahrzeugladefläche nebeneinander angeordneten Ladeguteinheiten
WO2021224781A1 (fr) * 2020-05-04 2021-11-11 Foodpartner S.R.L. Dispositif de protection pour unite de charge
US20220144518A1 (en) * 2020-11-07 2022-05-12 Encore Packaging Llc Securing Apparatus for Packaging and Shipping
US11970322B2 (en) * 2020-11-07 2024-04-30 Encore Packaging Llc Securing apparatus for packaging and shipping

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