US20090224129A1 - Foldable support element - Google Patents

Foldable support element Download PDF

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Publication number
US20090224129A1
US20090224129A1 US11/720,918 US72091805A US2009224129A1 US 20090224129 A1 US20090224129 A1 US 20090224129A1 US 72091805 A US72091805 A US 72091805A US 2009224129 A1 US2009224129 A1 US 2009224129A1
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US
United States
Prior art keywords
support element
side plates
element according
longitudinal direction
foldable support
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.)
Abandoned
Application number
US11/720,918
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English (en)
Inventor
Lars Urheim
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 US20090224129A1 publication Critical patent/US20090224129A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B43/00—Cabinets, racks or shelf units, characterised by features enabling folding of the cabinet or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/005—Girders or columns that are rollable, collapsible or otherwise adjustable in length or height
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • A47B13/023—Underframes with a central column
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • A47B13/04—Underframes of wood
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00—Feet for furniture in general
    • A47B91/02—Adjustable feet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/06—Arms
    • F16M2200/065—Arms with a special structure, e.g. reinforced or adapted for space reduction

Definitions

  • the present invention relates to a foldable support element in the form of a column with three or more sides, where a number of sides of the support element comprise two corresponding side plates, where one end of the side plate is connected, by means of hinged fastening points, to one end of the side plate, and where the opposite ends of the side plates are each fastened to a rigid base in a plane perpendicular to the longitudinal direction of the support element by means of hinged fastening points.
  • the invention also relates to a support element for use in folding furniture or temporary constructions in buildings or sites.
  • JP 10099171 describes a construction, where legs are used comprising hinged parts that can be folded together.
  • the leg plates are at the same time hinged to end plates.
  • the barstool “Dennis” on page 171 in IKEA's catalogue for 2003 is folded together in that the legs, which consist of two U-shaped hoops, are placed in parallel with the seat.
  • the disadvantage of this and other known methods for folding a bench or stool is that to achieve normal or higher sitting heights, the legs are often longer than the diameter of the seat. Thus, one does not achieve optimal reduction of the size of the folded piece of furniture.
  • a support element can be collapsed so that in the longitudinal direction it is no longer than the thickness of the sidewalls of the support element.
  • the foot itself if used in a piece of furniture with a seat, can simply be folded together to an extent where it has a smaller diameter than a normal seat of a bench or a single stool.
  • the stool or the bench can be folded to a volume that constitutes the plate of the seat multiplied by the thickness of the folded foot.
  • a support element with two or more sides, where each side comprises at least two corresponding side-plates that are fastened to each other at the one end and to a rigid base, which always lies perpendicular to the longitudinal direction of the support elements, at the other end.
  • the rigid base that binds them together constitutes the centre of the structure in folded position.
  • the respective rigid parts constitute an upper part and a lower part in extended position.
  • the different parts which the support element comprises can be dimensioned, perforated and formed in relation to need of load tolerance consideration, design requirements and need of functional solutions for the support element.
  • the support element can be made in plastic, metal or other suitable material according to requirement for strength, texture or the like.
  • the foldable support element is characterised by the characteristic features in the independent claim 1 .
  • Preferred embodiments of the invention are characterised by the characteristic features in the dependent claims 2 - 9 .
  • the invention is also characterised by the use according to claim 10 .
  • FIG. 1 shows an overview of the support element parts.
  • FIG. 2 a shows an example of an embodiment of the support element according to the invention in folded position.
  • FIG. 2 b shows the support element according to FIG. 2 a in partial extended/folded position.
  • FIG. 2 c shows the support element according to FIG. 2 a in fully extended position.
  • FIGS. 3 a and 3 b show a detail of a possible locking method according to the invention for the extended position of the support element.
  • FIG. 4 a shows an example of a connection of several support elements according to FIG. 2 in extended position.
  • FIG. 4 b shows an example of a connection of several support elements according to FIG. 2 in folded position.
  • FIG. 5 a shows an embodiment example of the support element according to the invention in extended position.
  • FIG. 5 b shows an embodiment example of the support element according to FIG. 5 a in folded position.
  • FIG. 6 a shows an example of an embodiment of the support element according to the invention in extended position.
  • FIG. 6 b shows the support element according to FIG. 6 a in partially extended/folded position.
  • FIG. 6 c shows the support element according to FIG. 5 a in folded position.
  • FIG. 1 shows an embodiment example of the different parts that can form the basis for the support element according to the invention.
  • Two rigid bases 30 , 40 comprise, for example, fastening points in each corner.
  • Side edges 12 , 22 extend at an angle of 90° in relation to the side plates 10 , 20 , but it should be noted that the angle can vary, and that the side edges 12 , 22 do not have to extend along the whole edge of the side plate, but, can be, for example, present in the area of the hinge only, and will then only be a part of the hinged fastening point.
  • Each of the different parts are fitted with holes to fasten the respective parts to the support element, in that the side plates 10 , 20 comprise two parallel side-edges 12 , 22 with holes 24 for fastening the one end of the side plate 10 to the one end of the side plate 20 , and in that the rigid bases 30 , 40 comprise an upwardly and downwardly extending edge in each corner with holes 32 for fastening to the other end of the side plate 10 , 20 with the help of hole 26 .
  • FIGS. 2 a - c show an embodiment of the support element according to the invention in folded position and two possible extended positions, respectively.
  • the support element comprises corresponding sides.
  • the support element comprises two side plates 10 , 20 that are fastened to each other by means of hinged fastening points 50 , and to their separate rigid bases 30 , 40 by means of hinged fastening points 60 .
  • the rigid base 30 , 40 can represent different functions in relation to application areas.
  • the rigid base can be a part of the seat, part of a foot or a tabletop, to mention some examples.
  • the rigid base can represent a frame that is fitted to the mentioned parts.
  • the rigid bases 30 , 40 have the shape of a triangle, but it shall be noted that the rigid bases 30 , 40 can have other forms, such as a square form, pentagon form, circular form, etc.
  • the shape of the rigid bases therefore defines, in the present example, how many sides the support element has.
  • the side plates 10 , 20 are fastened to each of the edges of the rigid bases 30 , 40 so that a structure is provided which is approximately closed in the column circumference in the whole or part of the longitudinal direction of the support element, and where the rigid base 30 , 40 can be arranged up to the perpendicular to the longitudinal direction of the column.
  • the axises of rotation of the hinged fastening points 50 , 60 lie in the plane that lies perpendicular to the longitudinal direction to the support elements.
  • closed structure which is approximately closed in the column circumference in whole or parts of the longitudinal direction of the support element, is meant that that the sides do not need to be connected in the full longitudinal direction of the column, i.e. that either side of the side plates 10 , 20 can at least adjoin each other only in certain areas in extended position according to FIG. 2 c such as in the areas where the side plates 10 , 20 are hinged together.
  • the rigid bases 30 , 40 are formed as triangles and have thereby three of each side plate 10 , 20 fastened to each one.
  • the construction of the support element shall not be limited to that the side plates 10 , 20 form a closed structure in the whole or parts of the longitudinal direction of the support element, as the construction can also be applicable in that one or more of the sides do not encompass side plates, but only represent an open area.
  • the side plates 10 , 20 can be fastened to each other and to the rigid bases 30 , 40 with the help of, for example, one or more bolts.
  • the parts can also be fastened to each other in that pins on the one part snap into suitable recesses or holes on the other part.
  • Other ways of hinging parts also exist, such as, for example, that the parts are equipped with a gliding section that fits concentrically into each other and thus eliminates the need to have material along the axis of rotation in the hinged fastening points.
  • the support element In folded position according to FIG. 2 a, the support element is shaped in the form of a star, where the side plates that the sides of the support element are comprised of, lie at an angle of around 90 degrees in relation to the longitudinal direction of the support element. If one or more of the sides of the construction constitutes an open area instead of side plates 10 , 20 , the support elements will then constitute a partially star-shaped construction.
  • the side plates 10 , 20 can be made such that they partially or completely go into each other in folded position.
  • short bolts are used that only penetrate the material at the two parts they bind together.
  • the side plates 10 , 20 With the use of through bolts that go from the one side of the side plates 10 , 20 to the other side, the side plates 10 , 20 will only partially go into each other, as the edges of the side plate 10 will meet the bolt that binds together the side plate 20 with the rigid base 40 .
  • FIG. 1 and FIG. 2 b show the following:
  • the rigid base 30 is made so that the holes in the plate for the bolt will be able to be positioned concentrically with the holes at the side edges of the side plates 10 on the inside of the side edges.
  • the rigid base 40 is made such that the hole for the bolt in the base will be able to be positioned concentrically with the holes in the side edges of the side plate 20 , on the outside of the side edges of the side plate 20 .
  • the rigid base 30 is formed such that the hinged fastening point 60 is orientated according to the profile of the side plate 10 without coming into conflict with the side plate 20 in folded position and that the rigid base 40 is formed such that the hinged fastening point 60 orientates itself according to the profile of the side plate 20 without coming into conflict with the side plate 20 in folded position.
  • FIGS. 3 a and 3 b show the following:
  • the fastening point on the side plate 10 is made as an oblong hole with the same radius as the bolt at either end, at the same time as the side edges on the side plate 10 is extended as much as the length of the oblong fastening point, one obtains that the side plates 10 , 20 can be locked in extended position.
  • the side edges of the side plates 10 , 20 are met, the extended sides of the side plate 10 will lie against the inside of the side plate 20 so that the side plates 10 , 20 are locked from moving in any other direction than away from each other.
  • FIGS. 4 a and 4 b show an alternative embodiment of the invention where several support elements according to FIG. 2 are fitted after each other in the longitudinal direction of the column in an extended position ( FIG. 5 a ) and in a folded position ( FIG. 5 b ), respectively.
  • This can be advantageous if there is a need to reduce the area that the support element takes up in folded position without reducing the total length of the support element.
  • a rigid base is constructed onto which it is possible to fit side plates in both directions along the longitudinal direction of the support element.
  • FIGS. 5 a and 5 b show an embodiment example of the support element according to the invention, in extended position ( FIG. 5 a ) and folded position ( FIG. 5 b ), respectively, comprising three sides that comprise two side plates 500 , 510 .
  • a rigid base 530 makes up the upper part of the support element and a rigid base 520 makes up the lower part of the support element.
  • the rigid bases 520 , 530 constitute, in this example, not a closed structure as one side of the support element does not encompass side plates, but only an open area.
  • the shape of the rigid bases 520 , 530 can have several different forms, as the construction of the support element is not dependent on the shape of these.
  • One embodiment form which is shown in FIG. 5 , can be advantageous in application areas where it is not desirable that the side plates “extend beyond” the construction in folded position, for example, for use in a table.
  • Another advantage can be if there is a need to feed an object in towards the middle of the column (longitudinal axis) of the support element to influence, move, or in another way treat this object.
  • the two side plates 500 , 510 of the support element according to FIG. 5 are angled against each other at an angle of less than 180 degrees viewed from the outside of the construction, which is the base for the stability of the construction.
  • This triangular construction is independent of a third side to be able to function if it is dimensioned and constructed to be able to tolerate this.
  • FIG. 6 shows an alternative embodiment of the present invention where the different parts of the construction are perforated.
  • FIGS. 6 a and 6 b show the support element in two possible extended positions, FIG. 6 b can possibly represent the support element in FIG. 6 a in partially extended/folded position.
  • FIG. 6 c shows the support element in folded position.
  • This embodiment of the invention represents an alternatively shaped construction of the support element according to FIG. 2 , in that the side plates encompass a cross alternative to a plane/arch shaped surface and is not described further here. Advantages with such a construction can be that this makes a very high degree of utilisation of the production material possible, in addition to the features of the support element having a purer style.
  • the side plates are not limited to having a flat surface, but that any arbitrary surface form or surface structure of the side plates is possible, such as an arch-shaped form or other suitable forms.
  • the column can also have application characteristics in connection to movements between completely extended and completely folded position, for example, in lifting of different equipment or in chopping trees.
US11/720,918 2004-12-06 2005-12-06 Foldable support element Abandoned US20090224129A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20045335A NO322174B1 (no) 2004-12-06 2004-12-06 Sammenleggbart stotteelement og anvendelse derav.
NO20045335 2004-12-06
PCT/NO2005/000451 WO2006135242A1 (en) 2004-12-06 2005-12-06 Foldable support element

Publications (1)

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US20090224129A1 true US20090224129A1 (en) 2009-09-10

Family

ID=35220585

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/720,918 Abandoned US20090224129A1 (en) 2004-12-06 2005-12-06 Foldable support element

Country Status (13)

Country Link
US (1) US20090224129A1 (no)
EP (1) EP1833328B1 (no)
JP (1) JP2008531929A (no)
KR (1) KR20070100271A (no)
CN (1) CN101111171A (no)
AU (1) AU2005333079A1 (no)
BR (1) BRPI0517138A (no)
CA (1) CA2590621A1 (no)
IL (1) IL183616A0 (no)
MX (1) MX2007006682A (no)
NO (1) NO322174B1 (no)
WO (1) WO2006135242A1 (no)
ZA (1) ZA200705394B (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110083590A1 (en) * 2008-04-08 2011-04-14 Rainer Janssen Height-adjustable equipment stand
US9938720B2 (en) * 2013-11-04 2018-04-10 Ipi Access As Support structure module and modular beam structure

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504351A (en) * 1947-01-09 1950-04-18 Francis M Blakeney Friction-controlled hinge
US2593319A (en) * 1950-05-04 1952-04-15 Levitin Benjamin Foldable furniture unit
US2620018A (en) * 1950-10-24 1952-12-02 Joseph J Pagano Convertible hassock
US2693846A (en) * 1952-01-12 1954-11-09 Merrill J Luttio Convertible ottoman
US4792319A (en) * 1987-07-08 1988-12-20 Svagerko Daniel E Building blocks
US5299804A (en) * 1991-12-02 1994-04-05 Stevens Kenneth V Folding puzzle using triangular blocks
US5878945A (en) * 1995-03-30 1999-03-09 Southpac Trust International, Inc. Self-erecting container
US5884889A (en) * 1997-07-01 1999-03-23 Crosby; Tom Adjustable book support with arm clearance recesses
US6851564B2 (en) * 2003-05-28 2005-02-08 Kelvin Kin-Chung Ng Multi-plane compound folding frame
US7337728B2 (en) * 2001-10-09 2008-03-04 Shabram Jr Lyle F Collapsible folding article of furniture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2870688B2 (ja) * 1996-10-01 1999-03-17 健一 横堀 折り畳みユニット構造

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504351A (en) * 1947-01-09 1950-04-18 Francis M Blakeney Friction-controlled hinge
US2593319A (en) * 1950-05-04 1952-04-15 Levitin Benjamin Foldable furniture unit
US2620018A (en) * 1950-10-24 1952-12-02 Joseph J Pagano Convertible hassock
US2693846A (en) * 1952-01-12 1954-11-09 Merrill J Luttio Convertible ottoman
US4792319A (en) * 1987-07-08 1988-12-20 Svagerko Daniel E Building blocks
US5299804A (en) * 1991-12-02 1994-04-05 Stevens Kenneth V Folding puzzle using triangular blocks
US5878945A (en) * 1995-03-30 1999-03-09 Southpac Trust International, Inc. Self-erecting container
US5884889A (en) * 1997-07-01 1999-03-23 Crosby; Tom Adjustable book support with arm clearance recesses
US7337728B2 (en) * 2001-10-09 2008-03-04 Shabram Jr Lyle F Collapsible folding article of furniture
US6851564B2 (en) * 2003-05-28 2005-02-08 Kelvin Kin-Chung Ng Multi-plane compound folding frame

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110083590A1 (en) * 2008-04-08 2011-04-14 Rainer Janssen Height-adjustable equipment stand
US8276525B2 (en) 2008-04-08 2012-10-02 Rainer Janssen Height-adjustable equipment stand
US9938720B2 (en) * 2013-11-04 2018-04-10 Ipi Access As Support structure module and modular beam structure

Also Published As

Publication number Publication date
IL183616A0 (en) 2007-09-20
EP1833328A1 (en) 2007-09-19
NO322174B1 (no) 2006-08-21
CN101111171A (zh) 2008-01-23
EP1833328B1 (en) 2012-10-24
JP2008531929A (ja) 2008-08-14
BRPI0517138A (pt) 2008-09-30
CA2590621A1 (en) 2006-12-21
KR20070100271A (ko) 2007-10-10
NO20045335L (no) 2006-06-07
WO2006135242A1 (en) 2006-12-21
MX2007006682A (es) 2007-12-12
NO20045335D0 (no) 2004-12-06
AU2005333079A1 (en) 2006-12-21
ZA200705394B (en) 2009-06-24

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