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WO2012119702A2 - Caisse-palette - Google Patents

Caisse-palette Download PDF

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Publication number
WO2012119702A2
WO2012119702A2 PCT/EP2012/000728 EP2012000728W WO2012119702A2 WO 2012119702 A2 WO2012119702 A2 WO 2012119702A2 EP 2012000728 W EP2012000728 W EP 2012000728W WO 2012119702 A2 WO2012119702 A2 WO 2012119702A2
Authority
WO
WIPO (PCT)
Prior art keywords
welding
pipe
vertical
horizontal
rod
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/EP2012/000728
Other languages
German (de)
English (en)
Other versions
WO2012119702A3 (fr
WO2012119702A4 (fr
Inventor
Dietmar Przytulla
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2012119702A2 publication Critical patent/WO2012119702A2/fr
Publication of WO2012119702A3 publication Critical patent/WO2012119702A3/fr
Publication of WO2012119702A4 publication Critical patent/WO2012119702A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/0446—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks
    • B65D77/0453—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section
    • B65D77/0466—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section the containers being mounted on a pallet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/14—Projection welding

Definitions

  • the invention relates to a pallet container with a thin-walled rigid inner container made of thermoplastic material for the storage and transport of liquid or flowable
  • Pallet containers are used for the transport and storage of liquid or flowable, partially dangerous products.
  • the trellis frames are heavily loaded.
  • All known pallet container with tubular frame have at the intersections of the pipe rods welded joints, the pipe bars are welded together with 2 or 4 welds directly and in some lattice frame are limited to relieve the welding areas limited elastic bending points in the pipe bars formed next to the welding areas.
  • Such pallet containers with welded tubular frame are well known, for example, EP 0 734 967 A2.
  • the lattice tube frame of the pallet container known therefrom consists of a round tube profile, which is deeply trough-shaped recessed at the welded intersections and thus forms 4 welds with crossed tubes.
  • the limited elastic bending points are created by additional depressions of the weld ends.
  • the hitherto known lattice frame with a uniform continuous lattice tube profile and 2 or 4 welds at the intersection points have the common disadvantage that the horizontal and vertical lattice tube bars are overall bending and torsional stiff in Transportbiege LCDbe bulkungen. As a result, fatigue cracks and bar breakage occur here in particular after a comparatively short time of use in the vicinity of the welded intersections of the bars, or the welds of the intersections break off.
  • all tubular bars of the tubular space frame must be oversized with predetermined bending points, the reduced tube cross-section height of the predetermined bending points absorbs the bending alternating stresses, but reduces the static load capacity of the tubular space frame.
  • the vertical and horizontal pipe bars have over their length a continuous closed same profile and thus the same Bending resistance torque on.
  • the pipe bars are not welded directly, but indirectly via welding inserts.
  • the loads occurring on a pipe rod are not passed on directly to the pipe rod to be welded, but transferred via the welding insert.
  • the welding inserts act as damping elements and reduce the mutual stress of the welded over the welding inserts pipe rods at their intersections.
  • the welding points vertical and horizontal pipe bar are separated. Particularly advantageous are the embodiments in which all welding points are only in the compressive stress range of the pipe rods.
  • the pipe bars can be reduced in their profile or cross-section and thus the weight of the tubular support shell is reduced.
  • the welding inserts can be used only at some pipe rod crossing points - the stress critical - the lattice ear support mantle.
  • Figures 3 - 14 show the prior art, Figures 1, 2, 15 - 27, the pallet container according to the invention and the pipe rod crossing points according to the invention. Show it:
  • FIG. 1 shows a pallet container according to the invention in front view
  • Figure 2 shows a pallet container according to the invention in side view
  • FIG. 3a shows the hydrostatic pressure distribution in the inner container
  • FIG. 3b shows the schematic deformation of the tubular support shell by means of surge forces with superimposed stack load (side view),
  • Figure 4 shows the schematic deformation of the tubular support shell by surge forces with superimposed stack load
  • FIG. 5 shows a test pallet container with a tubular support shell and vertical pipe rods inside
  • FIG. 6 shows a test pallet container with a grid tube supporting jacket and vertical tube rods outside
  • FIG. 7 shows the lateral deformations of a vertical pipe rod in FIG.
  • FIG. 7a without deflection
  • FIG. 7b with deflection outwards
  • FIG. 7c with bending inwards
  • FIG. 8 shows a stress distribution on a vertical pipe rod in FIG.
  • FIG. 9 shows a stress distribution on a horizontal pipe rod in detail "X" at a welded pipe-rod crossing point, section C-D of FIG. 8, FIG.
  • FIG. 10 shows a force analysis on all four common welding points of a pipe-crossing point, view E of FIG. 8,
  • FIG. 11 shows the tearing off of a welding point of a pipe-rod crossing point of FIG. 8, FIG.
  • FIG. 12 a crack formation in the tube rod next to a spot weld of FIG. 8,
  • FIG. 13 shows a stress distribution on a vertical pipe rod in FIG. 13
  • FIG. 14 shows a stress distribution on a horizontal pipe rod at a welded pipe-rod intersection point F-G of FIG. 13, FIG.
  • FIG. 15 shows a welded pipe rod intersection according to the invention with welding insert, position according to view "H" in FIG.
  • FIG. 16 shows a section I-J through the vertical pipe rod of FIG. 15 at a welded pipe-rod crossing point
  • FIG. 18 shows a further welded tube rod crossing point according to the invention with welding insert
  • FIG. 19 shows a section M-N through the vertical and the horizontal tube bar of FIG. 18 at a welded tube-rod crossing point
  • FIG. 20 shows another welded tube rod intersection point according to the invention with welding insert
  • Figure 21 is a section O-P through the vertical and horizontal
  • Tube rod of Figure 20 to a welded Cage-crossing point
  • FIG. 22 shows a further welded tube rod intersection point according to the invention with welding insert
  • Figure 23 is a section Q-R through the vertical and the
  • FIG. 24 shows a further welded tube rod intersection point according to the invention with welding insert
  • Figure 25 is a section S-T through the vertical and horizontal
  • FIG. 26 shows a further welded pipe rod intersection according to the invention with welding insert
  • Figure 27 is a section U-V through the horizontal and the vertical
  • Tube rod of Figure 26 to a welded
  • FIG 1 an inventive pallet container 10 with thin-walled rigid inner container 12 made of thermoplastic material, grid pipe support jacket 14 and bottom pallet 16 in front view is shown (pallet width 1000 mm).
  • the pallet container 10 is shown in Figure 2 in side view (pallet length 1200mm).
  • a same second pallet container is stacked.
  • the lower pallet container is charged in addition to the changing surge pressure loads of the liquid filling material in a superimposed manner by the stack load of the up-and-down stacked pallet container (double stacking).
  • FIG. 4 shows the vibration state of the long side wall of a pallet container 10 in FIG the top view. The deformation of the side wall to the outside is considerably greater than the compression to the inside.
  • the vertical pipe bars 20 in the middle of the long side walls of the tubular support shell 14 are subject to the highest loads in the area of the largest bulge at the height of the center of mass "S" (area "X").
  • the first points of failure were there in the welded intersection points in the tensile stress region of the vertical pipe bars 20 at the lower welding points.
  • the following failure points were in the welded intersections in the area "Y", in the tensile stress region of the horizontal pipe bars 22.
  • a vertical tube bar 20 with its elastic line 21 in the region of a lower crossing point "X" with a welded-on horizontal tube bar 22 of a pallet container 10 is considered.
  • the vertical tube rods 20 are arranged inside the lattice tube support jacket 1.
  • Figure 7a shows the initial position of the vertical tube rod 20, while Figure 7b shows the state of its greatest outward deflection "0" and in Figure 7c the state of its greatest inward deflection "I".
  • FIG. 8 shows the stress states of the vertical tube rod 20 in the region "X" in position 7b, the outside of the vertical tube rod 20 is subjected to tensile stresses and the inside to compressive stresses, the common weld points "SP" being subjected to tensile stresses.
  • Figure 9 (section CD of Figure 8) shows the course of the elastic bending line 23 and the stresses in the bent horizontal pipe bar 22 at the crossing point "X.” The outside of the horizontal pipe bar 22 is subjected to tensile stresses, the inside to compressive stresses "SP” are exposed to compressive stresses.
  • FIG. 10 view E of FIG. 8
  • the tensile forces "-" and compressive forces "+” resulting from the deformations of the horizontal (22) and the vertical tubular bar (20) on the respective common weld spot "SP" are shown and the resulting " R "drawn.
  • the comparison stress acting on the lower weld points of the crossing point "X" is composed of the resultant "R” and the torsional stress “T.”
  • the comparison stress can lead to a fatigue fracture or bar fracture (FIG. 12) or to a tearing / detachment (FIG 1) the common spot welds "SP" to lead.
  • the weak point of the crossing points "X” lies in the tensile stress region of the vertical pipe bars 20 near the common weld points "SP".
  • the following weak points in the continuous vibration overload of the test pallet container 10 of Figure 5 were in the "Y” in the tensile stress range, but the horizontal bars 22nd
  • FIGS. 13 and 14 The voltage states in the tube rods are shown in FIGS. 13 and 14. From both views it can be seen that the highest stresses arise in the peripheral fibers of the pipe bars. Again, the damage occurred as in Figure 1 1 and 12 only in the welded tension region of the horizontal pipe bars 22.
  • FIGs 15, 16 and 17 a welded pipe-rod crossing point according to the invention, position according to "H" in Figure 1, is shown with a flat welding insert 34.
  • Figure 15 shows the intersection from the outside, Figure 16 the section 1J and Figure 17 the Section KL of FIG. 15.
  • the vertical tube rod 20 and the horizontal tube rod 22 consist of the rectangular profile I 30, which is designed with two weld roundings 32.
  • the welding of the two rectangular profiles 30 takes place via the welding insert 34, which is also designed with welding roundings 36.
  • the weld fillets 32 and 36 act as welding bumps in resistance welding.
  • FIG. 17 it is shown that, due to the deformation of the vertical tube rod 20 corresponding to the elastic bending line vertical tube rod 21, tensile stresses arise at the welding points vertical tube rod 38, which, however, does not produce the welding points horizontally. taler pipe rod 40 load.
  • Figure 16 it is shown that due to the deformation of the horizontal pipe bar 22 corresponding to the elastic bending line horizontal pipe rod 23 at the welds horizontal pipe rod 40 compressive stresses arise, but do not load the welds vertical pipe rod 38.
  • FIG. 1 shows a further embodiment of a welded pipe rod crossing according to the invention, with a flat welding insert II 44.
  • Figure 18 shows the point of intersection from the outside, Figure 19 the section MN of Figure 18.
  • the vertical tube bar 20 and the horizontal tube bar 22 consist of a standard rectangular profile II 42 without welding rounds, and the welding of both standard rectangular profiles 42 takes place via the welding insert 44, which is designed with welding bosses 46.
  • the welding of the vertical tube bar 20 from the standard Rectangular profile 42 and the welding insert 44, via the welding boss 46, the welding points are formed vertical pipe rod 38.
  • Figure 20 shows the intersection point in section through the vertical tube rod 20 and the horizontal tube rod 22 21 shows the section OP of FIG. 20.
  • the vertical tube bar 20 and the horizontal tube bar 22 consist of the standard rectangular profile 42 without welding rounds.
  • the welding of the vertical pipe bar 20 from the standard rectangular profile 42 and the welding insert 48 via the weld hump 46, the welding points vertical pipe rod 38 are formed.
  • FIGS 1 and 2 show a further cross-section of the welded pipe rod according to "H" in FIGURE 1 with a tubular welding insert IV 50.
  • FIGURE 22 shows the intersection of the vertical pipe rod 20 and the horizontal pipe rod 22 23 shows the section QR of FIG. 22.
  • the vertical tube bar 20 and the horizontal tube bar 22 consist of the standard rectangular profile 42 without welding rounds
  • the welding of the vertical pipe bar 20 from the standard rectangular profile 42 and the welding insert 50 takes place via the welding boss 46, the welding points are formed vertical pipe rod 38.
  • An advantage of this design is that all welding points (38 and 40) of the vertical pipe bars 20 and the horizontal pipe bars 22 are in the compressive stress area of the pipe bars and that the welding insert 50 is easy to mount over the vertical pipe bar 20.
  • FIGs 24 and 25 another welded pipe-rod crossing point according to the invention, position "H" in Figure 1, is shown with a U-shaped welding insert V 52.
  • Figure 24 shows the intersection point in section through the vertical pipe rod 20 and the horizontal pipe rod 22
  • Figure 25 shows the section ST of Figure 24.
  • the vertical tube rod 20 and the horizontal tube bar 22 consist of the standard rectangular profile 42 without welding rounds
  • the welding of the vertical pipe bar 20 from the standard rectangular profile 42 and the welding insert 52 is effected via the welding boss 46, the welding points are formed vertical pipe rod 38.
  • the welding of the horizontal pipe bar 22 from the standard rectangular profile 42 and the welding insert 52nd takes place via the weld hump 46, it will be the welding spikes kte horizontal tube bar 40 is formed.

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

Abstract

L'invention concerne une caisse-palette (10) comprenant un contenant intérieur (12) à paroi mince en matière plastique thermoplastique pour le stockage et le transport de produits de remplissage (18) liquides ou fluides, une enveloppe de support de tubes en treillis (14) entourant étroitement le contenant intérieur (12) et une palette de fond (16) sur laquelle le contenant intérieur (12) repose et à laquelle l'enveloppe de support de tubes en treillis (14) est reliée à demeure, cette dernière (14) comportant des barres tubulaires verticales et horizontales (20, 22). L'invention est caractérisée en ce que les barres tubulaires verticales et horizontales (20, 22) sont soudées ensemble par des insertions de soudure (34, 44, 48, 50, 52, 58) à leurs points d'intersection. Certaines caisses-palettes connues présentent de gros défauts (ruptures de fatigue de l'enveloppe de support de tubes en treillis) lors de contraintes de transport par flexion alternée qui sont engendrées par sollicitations continues dues au transport sur de mauvaises routes. Selon l'invention, pour améliorer la stabilité de l'enveloppe de support de tubes en treillis (14), le soudage des barres tubulaires horizontales et verticales (20, 22) les unes avec les autres à leurs points d'intersection est effectué par des insertions de soudure (34,44,48,50,52,58), ces dernières (34,44,48,50,52,58) permettant l'utilisation de barres tubulaires au profil continu et coopérant comme éléments amortisseurs lors de sollicitations continues dues au transport.
PCT/EP2012/000728 2011-03-05 2012-02-18 Caisse-palette Ceased WO2012119702A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011013192.2 2011-03-05
DE201110013192 DE102011013192A1 (de) 2011-03-05 2011-03-05 Palettenbehälter

Publications (3)

Publication Number Publication Date
WO2012119702A2 true WO2012119702A2 (fr) 2012-09-13
WO2012119702A3 WO2012119702A3 (fr) 2012-11-01
WO2012119702A4 WO2012119702A4 (fr) 2013-01-17

Family

ID=46172755

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/000728 Ceased WO2012119702A2 (fr) 2011-03-05 2012-02-18 Caisse-palette

Country Status (2)

Country Link
DE (1) DE102011013192A1 (fr)
WO (1) WO2012119702A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9463486B2 (en) 2012-05-14 2016-10-11 Eyenovia, Inc. Laminar flow droplet generator device and methods of use
US9539604B2 (en) 2012-05-15 2017-01-10 Eyenovia, Inc. Ejector devices, methods, drivers, and circuits therefor
US11285504B2 (en) 2012-04-20 2022-03-29 Eyenovia, Inc. Spray ejector device and methods of use
US12029682B2 (en) 2012-04-10 2024-07-09 Eyenovia, Inc. Spray ejector mechanisms and devices providing charge isolation and controllable droplet charge, and low dosage volume ophthalmic administration

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017006653B4 (de) * 2017-07-13 2023-10-26 Mauser-Werke Gmbh Palettencontainer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0734967A2 (fr) 1995-03-30 1996-10-02 Protechna S.A. Récipient palette
EP0755863A1 (fr) 1995-07-25 1997-01-29 FUSTIPLAST S.p.A. Conteneur-palette
DE19642242A1 (de) 1996-09-19 1998-03-26 Roth Werke Gmbh Gitter eines Korbes eines Palettenbehälters
US6244453B1 (en) 1998-03-05 2001-06-12 Pietro Maschio Cistern for storing and carrying liquids
EP1289852B1 (fr) 2000-05-25 2006-05-17 MAUSER-WERKE GmbH & Co. KG Conteneur sur palette
EP1618047B1 (fr) 2003-04-25 2006-06-14 MAUSER-WERKE GmbH & Co. KG Conteneur palette

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT298203B (de) * 1968-09-20 1972-04-25 Evg Entwicklung Verwert Ges Verfahren zum Herstellen von geschweißten Gittern aus Stahl

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0734967A2 (fr) 1995-03-30 1996-10-02 Protechna S.A. Récipient palette
EP0755863A1 (fr) 1995-07-25 1997-01-29 FUSTIPLAST S.p.A. Conteneur-palette
DE19642242A1 (de) 1996-09-19 1998-03-26 Roth Werke Gmbh Gitter eines Korbes eines Palettenbehälters
US6244453B1 (en) 1998-03-05 2001-06-12 Pietro Maschio Cistern for storing and carrying liquids
EP1289852B1 (fr) 2000-05-25 2006-05-17 MAUSER-WERKE GmbH & Co. KG Conteneur sur palette
EP1618047B1 (fr) 2003-04-25 2006-06-14 MAUSER-WERKE GmbH & Co. KG Conteneur palette

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12029682B2 (en) 2012-04-10 2024-07-09 Eyenovia, Inc. Spray ejector mechanisms and devices providing charge isolation and controllable droplet charge, and low dosage volume ophthalmic administration
US11285504B2 (en) 2012-04-20 2022-03-29 Eyenovia, Inc. Spray ejector device and methods of use
US12023700B2 (en) 2012-04-20 2024-07-02 Eyenovia, Inc. Spray ejector device and methods of use
US9463486B2 (en) 2012-05-14 2016-10-11 Eyenovia, Inc. Laminar flow droplet generator device and methods of use
US9539604B2 (en) 2012-05-15 2017-01-10 Eyenovia, Inc. Ejector devices, methods, drivers, and circuits therefor
US11260416B2 (en) 2012-05-15 2022-03-01 Eyenovia, Inc. Ejector devices, methods, drivers, and circuits therefor

Also Published As

Publication number Publication date
WO2012119702A3 (fr) 2012-11-01
DE102011013192A1 (de) 2012-09-06
WO2012119702A4 (fr) 2013-01-17

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