DK177008B1

DK177008B1 - A corrugated cardboard-based pallet

Info

Publication number: DK177008B1
Application number: DKPA200900949A
Authority: DK
Inventors: Lars Bryde
Original assignee: Bentsen Emballage As
Priority date: 2009-08-21
Filing date: 2009-08-21
Publication date: 2010-11-29
Also published as: EP2467305A1; EP2467305A4; EP2467305B1; WO2011020475A1

Abstract

There is provided a corrugated paper pallet comprising a pallet base and support members made from Iayers of corrugated paper sheets. L-shaped Iists made from a rigid material are secured to the support members thereby raising the support members slightly from the ground. Such a pallet is Iightweight, recyciable and durable.

Description

DK 177008 B1

CORRUGATED PAPER PALLET

RM OF THE iNVENTiON

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The gnssem toveniion is related to paksis asto, mare spec&icaJfy, gattets constructed af dbfcbgåted dftioponents toet include a ibfyteg&ted sbééS tebd oomigteed Support JsSOcks stebised tsy l&ts, SttPli gÉtefs tete lightweight, ftc^slabte stod duraM*,

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BACKGROUND OF THE INVENTION

Pap©?· pellets ato gatetog in popularity as they provide consumers wlto an easily senyclabfs ©piten as compared to to® standard wpod pallets tbat havs Pasn used sar years. However, IS papar pallets, white deslmbiy recyclable often bftag dto®· oridésiroOte features. Far tostarm paper psitets «ten provide the user with a poitet ef snduoed strength es compared to a wood pallet of entier ststo end ææfipnsfc The redueed strength Itotito toe load that toe pallet may catty asto addiitensiiy, allows tot toe damaging of too pstfet stoef under heavy teads.

2:0 Ttoteitisrsaliy. pellets have Pean made of wood gtenks nailed tsgatost to one common situåm·. a mm panall©i of ttppr wood planks are notitd to to© top of tore© transversely extending, parallel and equally-spaced wood support planks. Similarly. a series of parallel tower wood planke aro nailed to the boitom of toe three: supped planks.. Forklift forks $m slidte tender toe ypger pranks in toe two parallel channels toed by toe three spaced 25 support ptenks, The ferMift can them raise its forks, which lifts toe ptiM end dittoing mounted on it, to m todytoftaf pacing or' shipping ©nteronm©nt wood pallets cen withstand tbs often great abuses to which they are cufejact The pallet may be Propped or rammed by a forklift W or some other machina. Tbs pallet may be slid around on a boor or stored outside in the rate of snow: it may be tossed around vigorously when being stored, stacked, or moved- A wood pilot tm withstood e great deal of this type oi use end abuse.

Wood pallets are,, however, expensive, because they eventusliy breakdown, When they do, 3S Ittte of the wood Is useabte to m&fce now pellets. 'To make now paitete, now wood: &. sftan DK 177008 B1 '1' y*: required. which requires cutting &sm of fttoher toms, this is not only expensive but of greet environmental concern.

Vted paltete m alsa mlatively heavy, Thsjr weight toensasæs the cost of stonog ar snipping 5 products wilh thsm. Wood pallets am also dsngsimts in that, wear and tear causes She wood to splinter and nsite to become exposed.. The splinters end exposed nails can damage the product bains shipped m well m. the tmm opamters mMm wi& tom pilots.

One attempt at a solute to the problems wito wood pallets has been too paper palfei:. The t o paper gattet can be made out of honeycomb paper components, The cellular honeycomb mm pm\&m mmaffeafete compre&te strength, ii^tweighi:. »ad tipHisamiy improved CPttetog over to® wad pallet. Riper the paper components am totally· mcyctebte as «m8 as btode^adahla.

15 The paper pallet can thus be shredded, hated, arte sold as nseplahte papsp m alternatively •retomsd to the environment through biodegrading, One prior ad ppsr pallet te made fey toternsteef Honeycomb illtoote, Inc.. This Honeycomb paper pallet is made of corrugated Kraft Honeycomb rumors or blocks glued to toe bottom of a corrugated Honeycomb pallet base or to tbs bottom of a ootrogated cardboard carton.. This paper pallet can weigh as little 2:0 as 95% of tbs tradltaal wood polte of s similar «mbpftoton:. if also eliminates the need tor nails and too prdbtems that exposed nails and wood splinters can caoss.

For paltete requiring farfe. srøtess from: only to® oppstog sides, fhs paper pallet can use torse runners in partotei under too dock m carton. The tors«: parallel runners form to® 2$ parallel fork channels separated by too center runner The forks from toe forklift then penetrate tbs two fork channets to lift toe pallet or-carton.

to other terms of toe prior art paper palter torae perailei mm of tome spaced apart paper tan&ycnmb blocks are glued to the wideraid» of a rectangular HoneycoiPb paper base, to TP this form., the- forks cm slide under the base fern any of the tour sides of the pallet. The three rows each tom two ehannate tor the toffes no two ^posing sides of the pallet and toe tore® lines of three spaced apart blocks term two transverse fork channels cm too other two opposing sides of tbs pallet DK 177008 B1 Λ .1 I« yeé another peter art paper pallet three parallel rows o? three equally spaced Honeycomb pop* SjIc^s m glued te toe underside of a mctangulsr peper Honey-cor^b base. Om psrtete! paper Honeycomb runner is glued to the hotlom ot each row of blocks.. to: tote manner. toe blocks torte channete for forks fe penetrate atid lift te too· fork charatels toéy 5 wide tetermedlate th® pallet: bos®, whtob fe gtoett to tos topside of toe blocks, a«d toe runners, which ar© g tossi to th© bottoms of the blocks

One major problem vÉh these prior srt paper produce m their significant sensitivity to moisture and humidity* Humidity tegtoieantty -weakens tha paper Honeycomb* and water HI contact can completely deform toe poper Motfsayoomd end moder h eompteteiy incapable of aupportoig soy toad at ail Ops attempt to solve teis pmbførø tovotess costing the peper with poly«thytons. Th® ocseting to relatively osstty. however. ilt also frequently tolls to provide tos δδ-mpiéfe scaling requited to keep molstef® out of the paper., Padkadafly as toe psitot. fe used and to© fork© or other activite ©rod© to© liner,. tasks can arøur, water can perøbate 15 to© teaks, ©rid toe Honeycomb paper pallet can become greatly weakened and ultimately even fsndpfsd useless..

Another problem 'with these peper paiisls is their inherent weakness torn damage to eutpsead sides of the Heheyoomb paper runnets or bfccfcs.. White the Neneyeosto paper to 2-0 remarkably- stoorsg in compmssten: k has very little bandit stteegto, The Honeycomb si# wails, whtoh extend vetoieaiiy, cm wlthstend great compression tomes isktoily along toast isrigtok but felaSvety iste Pandifig tors© (directed transversely at to© tod© walls of the Honeycomb):. As e result, whan a support runner or block to rammed to the side by to© fork of a forklift toe paper- Honeycomb is easily crushed and -greatly weakened or even 25 destroyed* Consequently:, tees© types, of paper pallets often are unacceptably cos% net tally because of toe large numbem of pallets destroyed hut mm because of rosuttteg damage to prortotet being stored or shaped and the labor cost of fitenp end repairing the damage to pallets and product 3* 1SS3d2§ A1 describes a peper ptotel eoropristog a pallet base mad® from layers of paper sheets and having «η upper fas®, a bottom fees end first: and ssecmd opposite sides, m or aiee support members, each of which is mounted on the bottom face of too pallet base and has an upper and, a kma? må arte side surfaces extending downwardly ftora the bottom face of the pallet base., sbt iMMepati iiate secured to toe support members* each of .33 steel- Ifete \m an intsrter wall end ah sktertor walk said interior wail contacting toe tømr end DK 177008 B1 siid she side surfoees øf et least fm o? the support members, ^fsarmhife, based an tesis rømte by the present invents? m me øf U-shaped Isis sppaara to be probiemette* simse s pate wffo .g destroyed Unshaped |føt Is prøne So røte&e dos tø abees foldings wbfoh extend across· tø® list. £teit®te of Ih® present iinvsoifen {®røpføyi:fig l-sbåp®d fisfej ar« fess prone fe 5 miispse since: stres® fotøfop in ene L-shaped M de net extend fe fife edjaeen* b-shsped M, Utorøovar, du® to ft® greater fftteMityteiasiteity øf L-shaped lisis such iisfe are less affodtød In the ama of Impaci than the U-shaped list

The above roefotømsd prior øst pøitete me nol cuftcieriy stable for being transported wife Hl føftiifft, .As such,. tø®r® is e meå i® ft« Sri: for ® paper pate thai provides sditøfonai strength and siahify,. a& well as easy assembly.· it te tøerefore an object of the present icvAntien ft develop m improved pallet ftaf Is light In weight. dorahte; and economic®!. It Is m additional 15 obtsot I© provide a pallet that will mi yield splicers os' exposed: nails when used.

Another object is to provide a palet tøet is relatively easy fc assambte and øseøøtøokire, from r©ad%· evallsbte oomponente, and reeystebte m waif, W A fortsør object: Is ft provide a paper feosycomh ®r sirete pallet: tøat has biorJes or monere wife relatively great beting reste&aacs aid sftsegft.· A sii further object is to provide such a pate that is reteft#sly resistant to mossier® and humidity, os SU1MAIW OF THE INVENTIOHi

The foregoing and other objects· and advantages are aftairæd by the present inventian.

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Spedficaify, ft·® preset* invention provides a corrugated paper pate sereprising: * a pete huse -(1} made from one or more layers of corrupted paper sheets, said base batoiig an upper fåøé (lå}, a bottom tec® f 1b), and first and second opposite sidss·; * at least tour support mambers (2.) made torn mMp& teyere of cemigatee paper sheets, .$5 iteift of whteb soppøjt marcher has m upper m% a tower end, amS aide suite extending DK 177008 B1 teRw&i-diy frøre! fht bmtm face {Ib) of iha pallet base (1), mvå. support mmtom mounted m tha hate face (Ib) affhe paifet base (1); and * at least faur predominantly k-shaped 8ste (3) secured to te support mateens {2), eoah •af' said lists has an interior wall and an exiater wall (Sb}; .said: interior wail caotecfmg te 5 lower end and side suite af the support mantes* wherein te L-sfcap©d lists are wafer resistant and sighs I© stefe© tbs pallet, ^røfarabiy te pellet of te present Invenbød compdses six support mantes p) and six L-shaped lists (3). in sued a preferred embodiment the ^shaped fists {3) w& spaoed 10 srtetante^ atjpidisfamiy between fhe opposite sides of te pallet base* irs a padSeufarty preferred embodiment of th» present iinvenibrt the support mentes {2} end pallet base (i) comprise paper sbeeirhg or cardboard esmpmased or glued iogefe.

15 foteover, if is preferred that te support members have a protective motetere resistant coating., such as polyethylene. This will farther prolong the lifetime of pallets of the present invention, psteiartyvten used in humid mtk6SMm&,

The- heads deserted above are Mm® rest by the esrrustesf peper palle? of dm praeant 20 Invention. The- paper pallet pnerejsy comprises support membs-rs, a top sheet. and rigid wafer teaam ^shaped lists to atellaa the oanstsoctte and prote te emulate paper tern tamWytorier coming from the gfouncHfcnr on which the pallet is pted. The support members are mads from laminated Gamrspted paper sheets. The fop pad is of a corrugated materia? and is posihoned above te support members. The support members me preferably 25 glued onto the top pod.

The water reatetet lists are preferably ms.de fum photo paper or a ptesfte potyrntf» such ae polyethylene, eoiypteytee, PVC, PTF£, bafesflt. «pray, polystyrene, and polycarbonate. in a particularly preferred embodiment bicptefe am used. Such ss storeb based pfasife, PLA* 5* PM, PA 1 i. and biodagractehit polyethylene, In one embodiment tie M& am made ftem a biodepadsbte piastre or other biedaørødabte materiel* as long as if provides sfabity to the pallet and is water resistant 6 DK 177008 B1 mm description or the mmmm FIGURE 1 is a bottata vtm of s pliat according ta tao present inyappn,

DETAILED DESCRIPTION

VWtb reference ta figure 1 tiere is shown a rectangular paM fcase· (1) røcnntad on support m members p). The paM fcsee (i) Is a «otnugated sheet white tie support members ore made from multiple eorruoatert §hp&» that m gkred tøseStef ta ferm tit support memfeem.

Th® ihtateasB of to® bas® {%} *mm depaming m its tap to P® e®nip by the pltet, Tfe® gloé uéért to Sécur« é&fih block in piano sis preferably polyvinyl aoetete or simti&r giub. Refemrtg to Fipre t there is «hewn ths cowgftetf peper pellet of the ptesett Invention.

15 which pallet has a pitot base (t) mede from one or owe layers- of occupied paper sheets.·

This .base has an upper face <1a)? a bottom face fib), and first end second opposite sides.

Support members {.2} ere attached to Ihe bottom face fib) of the pallet base (1), e.g. by glueing. In order to provide stability in tie pitot Leaped lists £35 am secured to the support members 0, 2:0

Each of the support numbers is composes! of abbot ten csmsgated b&srds having the same width end atadhes io one another by eg. taemio-meittag glue. Shock-absorbing rib members may be disposed within common of She eerrs^ated boards tar mifitanctag to® same, In tan preferred tmbodlmeot of tan present tavsnion, thare are provided six support 23 members each of which is composed of mom than ID corrugated boards. The support members are connected under the psiiet bs&e by taernid-mesinp glue, in addition, each of the edges of the support mmtim. and pitot base rosy be seated by thentte-ntei^ glee to eliminate any fumm» therein.. An appropriate adhaahre that can be nsed in any glueing according to tie pmeerrt Invenitan to $m based on aqueous vinytacetotaMhylsna M copolymer disperstans..

ΙΙονκμμγ, ter enhancing the hearing ability and coision-nasisianc® of tan pallet agatasi a forklift. on tan sides of support: members may fee attached several layers of carton beards to reinforce the support members.

DK 177008 B1 ly !n eom&ækm. the present kmti&m has the advantages: ♦ The paist of the· present swap^on <im fee reaavered fee rense w8he$ saying ραΜιηη of énvif&isment.

5 * The pallet has mueh less weight m that the transfer ar dfepiseemgm teeof sen fee easily performed, ♦ The present pallet can fee automata®? mass· predueesl ♦ Alter feeing discarded, the present paM is subject to natural dats^posiÉih so that the environment will not fee contaminated,

Hi ♦ The present galtet m menufeefered at lower oset so that the pdee tomfå :m reduced te enhance fe® cerepeiiye gbiiy pfthe manufacturer..

♦ The corrugated board msy be made of recovered waste paper .and can be reused so ineå tne natural recourse san fee fees! uifeed, ♦ Tfe© support snerres få the present tssf&id beard are composed ©f multiple vefecsily 15 arranged corrugated hoards so that the vartscat compress«»? strength thereof is insressod to enhance the structural strength end hardness of the p&M.

It is to be understood 'that the above desedpfios end drawings are ia% need tor iusiraling one orebodiment få tha present invenlfeu, not intended to limit the soop» of the present invention, 20 .·». .* Λ > 00 35

Claims

3. A plist according to claim 2, die? have six-tiered list? i3t

4. A pallet according to claim S> hxm the L-shaped loops (3) are spaced apart with the same etheric feed from each other methane the opposite sides in the arrow base.

A palette according to a safe deposit claim of the preceding claims, wherein the closing elements (2), said puff baste Cl) emit cardboard? felt eiter pap compressed altar Wtmi together, & · A palace according to hvlteei any sf then the preceding demand in which at least ilro support elements wore a protective resistant resistant coating.

7. A paife according to kmv 6, wherein the pile gun consists of poiyetbyleo