DK157898B - DEVICE FOR INCLUDING SYSTEM RULES - Google Patents

DEVICE FOR INCLUDING SYSTEM RULES Download PDF

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Publication number
DK157898B
DK157898B DK506784A DK506784A DK157898B DK 157898 B DK157898 B DK 157898B DK 506784 A DK506784 A DK 506784A DK 506784 A DK506784 A DK 506784A DK 157898 B DK157898 B DK 157898B
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DK
Denmark
Prior art keywords
flanges
ladders
struts
nodes
diagonal struts
Prior art date
Application number
DK506784A
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Danish (da)
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DK506784A (en
DK506784D0 (en
DK157898C (en
Inventor
Olaf Dalaker
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Olaf Dalaker
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Publication date
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Publication of DK506784D0 publication Critical patent/DK506784D0/en
Publication of DK506784A publication Critical patent/DK506784A/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/14Bars, uprights, struts, or like supports, for cabinets, brackets, or the like

Description

x DK 157898Bx DK 157898B

Opfindelsen angår en anordning ved stiger eller rammeværk til systemreoler, hvor stigebenene har C-formet profiltværsnit med krop, sider og flanger, og i hvis åbning enderne af diagonalstivere er indført og fastgjort ved hjælp af bolte i knudepunkterne.BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to a device for ladders or system racks, wherein the ladders have a C-shaped profile cross-section with body, sides and flanges, and in which the ends of diagonal struts are inserted and secured by means of bolts in the nodes.

5 Sådanne såkaldte stiger er i virkeligheden plane rammeværk omfattende to vanger med mellemliggende diagonalstivere og ofte også tværstivere. Disse stiger benyttes i stor udstrækning til såkaldte systemreoler, hvor enkeltdelene er således udformet og dimensioneret, at de på en 10 enkel måde kan sættes sammen efter det behov, som er til stede i de enkelte tilfælde. Til disse rammeværk fastgøres horisontale bjælker, på hvilke lasten placeres. Stigerne monteres vertikalt stående, og lasten føres ind som rene vertikallaster. Stigevangerne bliver derfor påvirket Λ ζ af kræfter, som går i vangernes længderetning, og stigerne må derfor dimensioneres til at modstå brud. Almindeligvis fastskrues stiverne til stigebenene, men i enkelte tilfælde benyttes også svejsning.5 Such so-called ladders are in fact planar frameworks comprising two walls with intermediate diagonal struts and often also cross struts. These ladders are widely used for so-called system shelves, where the individual parts are designed and dimensioned so that they can be assembled in a simple way according to the need that is present in the individual cases. Horizontal beams on which the load is placed are attached to these frameworks. The ladders are mounted vertically and the load is entered as pure vertical loads. The ladders are therefore affected kræ ζ by forces going longitudinally of the ladders, and the ladders must therefore be dimensioned to withstand breakage. Usually the struts are screwed to the ladders, but in some cases welding is also used.

2020

Som det vil forstås, drejer det sig om et enkelt produkt i den forstand, at materialeprisen er en meget afgørende faktor. Det gælder derfor i første række om at frembringe en profil, ved hvilken man får størst muligt modstands-moment i forhold til vægten. Et andet vigtigt moment er 25 selvfølgelig, at stigerne let skal kunne tilpasses forskellige opgaver, og at selve monteringen er enkel, og forbindelserne i knudepunkterne er sikre. Endvidere bør længderne i stigevangerne kunne samles på en enkel måde, og uden at samlingen skaber vanskelighed for knudepunk-30 terne, dvs. at knudepunkterne skal kunne placeres hvor som helst langs stigebenene, uden at der tages hensyn til samlingerne. Endvidere bær den nederste del af vangerne kunne forstærkes på enkel måde og således, at heller ikke den forstærkning har ugunstig indflydelse på valg af pla- cering af knudepunkterne.As will be understood, it is a single product in the sense that material price is a very deciding factor. It is, therefore, first and foremost a matter of creating a profile whereby you get the greatest resistance moment in relation to the weight. Another important element is, of course, that the ladders must be easily adaptable to different tasks and that the assembly itself is simple and the connections in the nodes are secure. Furthermore, the lengths of the ladders should be able to be assembled in a simple manner, and without the assembly causing difficulties for the nodes, ie. that the nodes should be able to be located anywhere along the ladders, without regard to the joints. Furthermore, the lower part of the beams could be reinforced in a simple manner and so that the reinforcement also does not adversely affect the choice of location of the nodes.

35 235 2

DK 157898 BDK 157898 B

Fra beskrivelsen til det britiske patentskrift nr.From the specification to British patent specification no.

2 084 450 kendes en C-formet profil for stigeben i sådanne stiger eller plane rammeværk, hvor der i hver af siderne er indvalset et på langs gående, udad åbent spor 5 ved profilens neutralakse, og i hvis bund der er udsparet et antal huller. Sammenføjning af profillængder til hinanden foregår ved hjælp af indvendige laskeprofiler. Disse er anordnet således, at det ikke vil være muligt at anordne et knudepunkt i en sammenføjning.2,084,450 is known a C-shaped profile for ladders in such ladders or planar frameworks, in which a longitudinal, outwardly open groove 5 is rolled at each of the sides at the neutral axis of the profile, and at the bottom of which a number of holes are cut. Profile lengths are joined to each other by means of internal groove profiles. These are arranged so that it will not be possible to arrange a node in a joint.

1010

Det er meget vigtigt at kunne anordne et knudepunkt i en sammenføjning eller lige i nærheden for ikke at svække profilens kapacitet. En sammenføjning på en profil mellem to knudepunkter vil reducere kapaciteten mod knæk eller 15 brud. Jo længere fra knudepunktet desto større moment.It is very important to be able to arrange a node in a joint or close by in order not to weaken the capacity of the profile. Joining a profile between two nodes will reduce crack or crack capacity. The farther from the node, the greater the torque.

Det er derfor formålet med opfindelsen at give anvisning på en anordning ved stiger til systemreoler og lignende af den i indledningen nævnte art, som giver en god styr-20 kemæssig udnyttelse af materialerne i stigevangerne, hvor knudepunkterne kan fastgøres på en sikker og enkel måde, hvor længderne i stigevangerne kan sammenføjes, uden at dette influerer ugunstigt på valg af placering af knudepunkterne, og hvor der kan foretages forstærkning af 25 f.eks. den nederste del af stigebenene, uden at dette influerer på valg af placeringen af knudepunkterne.SUMMARY OF THE INVENTION It is therefore an object of the invention to provide a device for ladders for system shelves and the like of the kind mentioned above, which provides good control of the materials in the ladders where the nodes can be secured in a safe and simple manner. where the lengths of the ladders can be joined without affecting the choice of location of the nodes, and where reinforcement of e.g. the lower part of the ladders without affecting the choice of the locations of the nodes.

Dette opnås ifølge opfindelsen ved en anordning ved en stige eller et plant rammeværk til systemreoler eller 30 lignende, hvor stigebenene har C-formet profiltværsnit med krop, to modstående sider og indadrettede flanger, og hvor der i åbningen mellem flangerne er indført enderne af diagonalstivere, som er fastgjort ved hjælp af bolte i knudepunkter, og hvor der i hver af siderne er indvalset 35 et på langs gående, udad.åbent spor ved eller i nærheden af profilens neutralakse, i hvis bund der er udsparet et antal huller, fortrinsvis med samme deling, og hvor det 3This is achieved according to the invention by means of a ladder or planar framework for system shelves or the like, wherein the ladders have C-shaped profile sections with body, two opposite sides and inwardly flanges, and where the ends of the diagonal struts are inserted in the opening between the flanges. which are fixed by means of bolts at nodes, and in which each of the sides has a longitudinal, outwardly open groove at or near the neutral axis of the profile, in the bottom of which a number of holes are cut, preferably with the same sharing and where it 3

DK 157898 BDK 157898 B

karakteristiske består i, at der mellem de indvalsede spor, indvendigt i C-profilen er større afstand end mellem flangerne, og at afstanden mellem flangerne er afpasset således, at de ligger an mod siden af de til knude-5 punkterne indførte diagonalstivere.Characteristic consists in that between the roll-in grooves inside the C-profile there is a greater distance than between the flanges and that the distance between the flanges is adjusted so that they abut the side of the diagonal struts introduced at the nodes.

Ved en praktisk udførelsesform for opfindelsen er afstanden mellem de indvendige flader på sporenes bund og de indførte diagonalstivere mindst det dobbelte af godstyk-10 kelsen af C-profilen.In a practical embodiment of the invention, the distance between the inner surfaces of the bottom of the grooves and the inserted diagonal struts is at least twice the thickness of the C profile.

Opfindelsen forklares nærmere i det følgende under henvisning til tegningen, hvor: 15 fig. 1 er et snit gennem en stigevange ifølge opfindelsen, hvor snittet er lagt ved et knudepunkt, fig. 2 viser ligeledes et snit gennem en stigevange, hvor snittet er lagt ved den nederste del af vangen, 20 fig. 3 viser et knudepunkt set fra siden, fig. 4 skematisk viser en del af en reol under montering, 25 fig· 5 viser et snit gennem en stigevange ifølge opfindelsen, hvor snittet i lighed med fig. 1 er lagt ved et knudepunkt, men hvor diagonalstiverne er sammenføjet på en anden måde, 30 fig. 6 viser enden af en udførelsesform for en diagonalstiver, og fig. 7 viser et knudepunkt set i perspektiv og med delene trukket fra hinanden.The invention will be explained in more detail below with reference to the drawing, in which: FIG. 1 is a section through a riser according to the invention, wherein the section is laid at a junction; FIG. Figure 2 also shows a section through a riser, where the section is laid at the lower part of the cradle; 3 is a side view of a node; FIG. Figure 4 is a schematic view of a part of a shelf during assembly; 1 is laid at a junction but where the diagonal struts are joined in a different way; 6 shows the end of one embodiment of a diagonal strut, and FIG. 7 shows a perspective view of a node with the parts pulled apart.

Stigevangen 1 ifølge opfindelsen består af en C-profil med krop 2, to modstående sider 3 og 4, samt indadrettede 35 4The ladder 1 according to the invention consists of a C-profile with body 2, two opposite sides 3 and 4, and inwardly directed 4

DK 157898 BDK 157898 B

flanger 5 og 6 ved de frie kanter af siderne 3 og 4. Denne profil giver en god udnyttelse af materialerne, da profilen har gunstig modstands- og træghedsmomenter både i X-aksen og Y-aksen.flanges 5 and 6 at the free edges of sides 3 and 4. This profile provides good utilization of the materials as the profile has favorable resistance and inertia moments in both the X-axis and the Y-axis.

55

Ved hver af siderne 3 og 4, omtrent ved neutralaksen (X-aksen) danner den et udad åbent spor 7 og 8. I bunden 9 af disse spor er der udsparet en række huller 10, fortrinsvis med jævn deling. Sporene 7 og 8 aftager indad og 10 har således skrå kantvægge 11. I åbningen mellem flangerne 5 og 6 er der i rammeværksknudepunkterne indført enderne af diagonalstivere 15 og 16. Enderne af stiverne er lagt ved siden af hinanden, og afstanden 9 mellem de frie kanter på flangerne 5 og 6 svarer nøjagtig til stivernes 15 15 og 16 samlede tykkelse. Afstanden a mellem de indven dige flader på sporene 7 og 8 er imidlertid større end stivernes 15 og 16 samlede tykkelse. Hensigten med dette er, at der mellem stivernes ydersider og de indvendige flader på sporene skal være plads til lasker eller sam- 20 menføjningsstykker 17. Afstanden a mellem de indre flader på sporene 7, 8 er så meget større end afstanden b mellem de indre kanter på flangerne 5 og 6, at der mellem yder siderne af stiverne 15 og 16 i knudepunkterne 14 er plads til både sammenføjningsstykke 17 eller et evt. forstærk-25 ningsstykke, og at der desuden er plads til fastgørelsesører 18 på en fod 19. Det forudsættes, at godstykkelsen for sammenføjningsstykke og fastgørelsesører henholdsvis 17 og 18 er den samme som godstykkelsen t på profilen 1. Afstanden mellem stivernes 15, 16 ydersider og indersiden 30 af sporene 7, 8 bliver da 2t.At each of the sides 3 and 4, approximately at the neutral axis (the X-axis), it forms an outwardly open groove 7 and 8. At the bottom 9 of these grooves a number of holes 10, preferably evenly spaced, are recessed. The grooves 7 and 8 decrease inwardly and 10 thus have inclined edge walls 11. In the opening between the flanges 5 and 6, the ends of diagonal struts 15 and 16. are inserted in the framework nodes and the ends of the struts are arranged side by side and the distance 9 between the free edges. on flanges 5 and 6 correspond exactly to the total thickness of the struts 15 and 16. However, the distance a between the inner surfaces of the grooves 7 and 8 is greater than the overall thickness of the struts 15 and 16. The purpose of this is that between the outer surfaces of the stiffeners and the inner surfaces of the grooves there should be space for grooves or joints 17. The distance a between the inner surfaces of the grooves 7, 8 is so much greater than the distance b between the inner edges. on the flanges 5 and 6, that between the outer sides of the struts 15 and 16 in the nodes 14 there is space for both joint piece 17 or any reinforcement piece, and that space is also provided for fastening ears 18 on one foot 19. It is assumed that the thickness of the joint piece and fastening ears 17 and 18, respectively, is the same as the thickness t of the profile 1. The distance between the outer sides of the struts 15, 16 and the inside 30 of the grooves 7, 8 then becomes 2t.

Stiverne 15 og 16 fastgøres i knudepunkterne 14 ved hjælp af en gennemgående bolt 20, som føres gennem hullerne 10 ved det valgte sted for knudepunktet. Bolten løber gennem 35 hullerne 10 på begge sider af profilen 1 og gennem huller i enderne af stiverne 15 og 16. Stiverne låses ved til-spænding af møtrikken 21 ved hjælp af sidekanterne påThe struts 15 and 16 are secured to the nodes 14 by means of a through bolt 20 which is passed through the holes 10 at the selected location for the node. The bolt runs through the 35 holes 10 on both sides of the profile 1 and through holes at the ends of the struts 15 and 16. The struts are locked by tightening the nut 21 by means of the side edges of

DK 157898 BDK 157898 B

5 flangerne 5 og 6. Boltens 20 hoved 22 har affasede kanter 23 og 24 ved to modstående sider af hovedet. Møtrikken 21 er fremstillet af en tilbøjet plade og har to modstående skrå sidepartier 21’, som også falder sammen med vinkelen 5 i sporet 7. På grund af fjedringen i siderne 3 og 4 vil hovedet 22 ved hjælp af en skruenøgle kunne trækkes rundt, indtil flangerne 5 og 6 ligger tæt an mod stiverne 15 og 16.5 flanges 5 and 6. The head 22 of the bolt 20 has bevelled edges 23 and 24 at two opposite sides of the head. The nut 21 is made of an inclined plate and has two opposing oblique side portions 21 'which also coincide with the angle 5 of the groove 7. Due to the suspension in the sides 3 and 4, the head 22 can be pulled around by means of a wrench until flanges 5 and 6 are adjacent to struts 15 and 16.

10 Selv når både en forstærkning eller et sammenføjnings-stykke 17 samt fastgørelsesører 18 er indført mellem den indvendige kant af sporene 7 og 8 og de indlagte stivere 15 og 16 i et knudepunkt, vil der være plads nok til den nødvendige fjedring i siderne 3 og 4.10 Even when both a reinforcement or joint piece 17 as well as fastening ears 18 are inserted between the inner edge of the grooves 7 and 8 and the inserted struts 15 and 16 in a node, there will be enough space for the required suspension in the sides 3 and 4th

1515

Som det fremgår af fig. 4, sættes to stigevanger 1 sammen med diagonalstivere 15 og 16 sammen til stiger eller flade rammeværk. Mellem to stiger fastgøres hyldebjælker 24. På kendt måde fastgøres disse bjælker ved hjælp af 20 påsvejsede fastgørelsesbeslag 25, som er udstyret med nedadrettede tunger, som griber ind i tilsvarende udformede huller, antydet ved 26, i profilens 1 krop 2.As shown in FIG. 4, two ladders 1 are joined together with diagonal struts 15 and 16 for ladders or flat frames. Between two ladders, shelf beams 24. are fastened in a known manner by means of 20 welded fastening brackets 25, which are provided with downwardly directed tongues which engage correspondingly shaped holes, indicated at 26, in the body 2 of the profile 1.

I fig. 5 er der vist, hvorledes to diagonalstivere 26 og 25 27 er ført sammen i et knudepunkt således, at de ligger i omtrent samme vertikalplan, i nærheden af Y-aksen i sti-gebenet 2. Som det vil fremgå af fig. 6, er der i diagonalstivernes side udformet en udsparing 28 ind til den ene flange og i omtrent den halve sides bredde. Ved sam-30 mensætning af en reolstige føres diagonalstiverne sammen i knudepunktet ved, at den tilbageværende sidedel 29 føres ind i udsparingen 28 på tilstødende diagonalstiver således, at flangerne på de to diagonalstivere, som er ført sammen i knudepunktet, ligger helt ind til hinanden.In FIG. 5, it is shown how two diagonal struts 26 and 25 27 are brought together at a junction such that they lie in approximately the same vertical plane, near the Y-axis in the path 2. As will be seen in FIG. 6, a recess 28 is formed in the side of the diagonal struts to one flange and about half the width of it. When assembling a shelf ladder, the diagonal struts are brought together in the node by the remaining side portion 29 being inserted into the recess 28 on adjacent diagonal struts so that the flanges of the two diagonal struts which are joined together in the node are aligned.

35 På denne måde opnås en række fordele. For det første vil kræfterne blive ens fordelt i flangerne på diagonalstiverne og overført ens i hver af flangerne på stigebenet.35 In this way, a number of advantages are obtained. First, the forces will be distributed equally in the flanges of the diagonal struts and transmitted equally in each of the flanges on the ladder leg.

6 .. DK 157898B6 .. DK 157898B

Resultanten af kræfterne i hver af flangerne i stigebenet går i knudepunktet og parallelt med stigebenet. Der vil ikke blive nogen tendens til vridning af hverken stigeben eller diagonalstiver, da momentet, som udøves af kræfter-5 ne i diagonalstiverne bliver helt minimalt. Kræfterne går nær neutralaksen både i diagonalstiverne og i stigebenet.The resultant of the forces in each of the flanges of the riser goes in the node and parallel to the riser. There will be no tendency for twisting of either ladder legs or diagonal struts, since the torque exerted by the forces in the diagonal struts becomes quite minimal. The forces go near the neutral axis both in the diagonal struts and in the leg.

I tilgift til dette giver denne løsning større mulighed for at variere bredden af stigebenet, og i alle bredderne 10 kan man få en hensigtsmæssig dimensionering af diagonalstiverne for at optage tryk og stræk.In addition to this, this solution offers more opportunity to vary the width of the ladder leg, and in all the widths 10 an appropriate dimensioning of the diagonal struts can be obtained to absorb pressure and stretch.

15 20 25 30 3515 20 25 30 35

Claims (2)

7 DK 157898 B7 DK 157898 B 1. Anordning ved stiger eller plane rammeværk til system reoler og lignende, hvor stigebenene (1) har C-formet profiltværsnit med en krop (2), modstående sider (3, 4) og indadrettede flanger (5, 6), hvor der i åbningen (13) mellem flangerne er indført enderne af diagonalstivere (15, 16), som er fastgjort ved hjælp af bolte (20) i knudepunkter (14), og hvor der i hver af siderne (3, 4) er indvalset et på langs gående, udad åbent spor (7, 8), i hvis bund (9) der er udsparet et antal huller (10), fortrinsvis med jævn deling, kendetegnet ved, at der mellem de indvalsede spor (7, 8) indvendigt i C-profilen er større afstand (a) end mellem flangerne (5, 6), og at afstanden (b) mellem flangerne er afpasset således, at de ligger an mod siderne af de til knudepunkterne indførte diagonalstivere (15, 16).A device for ladders or planar frameworks for system shelving and the like, wherein the ladders (1) have C-shaped profile sections with a body (2), opposite sides (3, 4) and inward flanges (5, 6), in which the opening (13) between the flanges is inserted at the ends of diagonal struts (15, 16) which are fixed by means of bolts (20) at nodes (14) and in which each of the sides (3, 4) is rolled longitudinally extending outwardly open groove (7, 8), in the bottom (9) of which a number of holes (10), preferably evenly spaced, have been recessed, characterized in that between the roll-in grooves (7, 8) inside the C-section. the profile is greater distance (a) than between the flanges (5, 6) and the distance (b) between the flanges is adjusted so as to abut the sides of the diagonal struts (15, 16) introduced at the nodes. 2. Anordning ifølge krav 1, kendetegnet ved, at forskellen mellem afstanden (a) mellem de indvendige flader af sporenes (7, 8) bund og summen af bredden (b) af de indførte diagonalstivere (15, 16) er mindst to gange det dobbelte (2t) af godstykkelse (t) af Oprofilen.Device according to claim 1, characterized in that the difference between the distance (a) between the inner surfaces of the bottom of the grooves (7, 8) and the sum of the width (b) of the inserted diagonal struts (15, 16) is at least twice that double (2t) of the thickness of the Oprofile.
DK506784A 1983-10-25 1984-10-24 DEVICE FOR INCLUDING SYSTEM RULES DK157898C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO833891 1983-10-25
NO833891 1983-10-25
NO842621A NO156354C (en) 1983-10-25 1984-06-28 DEVICE FOR STEPS FOR SYSTEM RULES.
NO842621 1984-06-28

Publications (4)

Publication Number Publication Date
DK506784D0 DK506784D0 (en) 1984-10-24
DK506784A DK506784A (en) 1985-04-26
DK157898B true DK157898B (en) 1990-03-05
DK157898C DK157898C (en) 1990-09-24

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Application Number Title Priority Date Filing Date
DK506784A DK157898C (en) 1983-10-25 1984-10-24 DEVICE FOR INCLUDING SYSTEM RULES

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BE (1) BE900877A (en)
DE (1) DE3438418A1 (en)
DK (1) DK157898C (en)
FI (1) FI77774C (en)
FR (1) FR2553646B1 (en)
GB (1) GB2148100B (en)
NL (1) NL8403237A (en)
NO (1) NO156354C (en)
SE (1) SE455464B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197183A (en) * 1986-10-30 1988-05-18 Stockrail Services Ltd Racking system
DE69515873D1 (en) * 1995-09-29 2000-04-27 Losey Ltd shelving
SE0801535L (en) * 2008-06-30 2009-09-22 Ortic Ab Way to roll pallet rack posts
JP6268603B2 (en) * 2014-09-12 2018-01-31 株式会社ダイフク Lattice structure frame assembly
US9924797B2 (en) * 2015-01-29 2018-03-27 Js Products, Inc. Utility rack having end supports with folding cross-members
US11647833B2 (en) 2020-09-16 2023-05-16 Perfect Site LLC Utility rack
CN112369843B (en) * 2020-11-25 2022-03-18 广东匠著装饰设计工程有限公司 Assembled display cabinet for living room

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB904193A (en) * 1958-11-07 1962-08-22 Frank Richard Noakes Improvements in or relating to construction members and articles made therefrom
DE2604813A1 (en) * 1976-02-07 1977-08-11 Juergens Walter Pallet shelf reinforced column - has deep rib formed in one side for beam location
ES252761Y (en) * 1980-08-08 1982-01-16 DETACHABLE SHELF

Also Published As

Publication number Publication date
BE900877A (en) 1985-02-15
GB8426918D0 (en) 1984-11-28
DE3438418A1 (en) 1985-05-02
GB2148100B (en) 1987-05-13
FI77774B (en) 1989-01-31
NO842621L (en) 1985-04-26
SE8405298L (en) 1985-04-26
DK506784A (en) 1985-04-26
DK506784D0 (en) 1984-10-24
FI844174A0 (en) 1984-10-24
FR2553646A1 (en) 1985-04-26
GB2148100A (en) 1985-05-30
NO156354B (en) 1987-06-01
FR2553646B1 (en) 1989-06-30
DK157898C (en) 1990-09-24
SE455464B (en) 1988-07-18
NL8403237A (en) 1985-05-17
SE8405298D0 (en) 1984-10-23
FI844174L (en) 1985-04-26
FI77774C (en) 1989-05-10
NO156354C (en) 1987-09-09

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