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US20050115184A1 - Panel connection - Google Patents

Panel connection Download PDF

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Publication number
US20050115184A1
US20050115184A1 US10/504,485 US50448504A US2005115184A1 US 20050115184 A1 US20050115184 A1 US 20050115184A1 US 50448504 A US50448504 A US 50448504A US 2005115184 A1 US2005115184 A1 US 2005115184A1
Authority
US
United States
Prior art keywords
tongue
groove
panels
panel
tongues
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
US10/504,485
Other languages
English (en)
Inventor
Detlev Schmidt
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.)
Boxler & Co KG GmbH
Original Assignee
Boxler & Co KG GmbH
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 Boxler & Co KG GmbH filed Critical Boxler & Co KG GmbH
Publication of US20050115184A1 publication Critical patent/US20050115184A1/en
Assigned to BOXLER GMBH & CO. KG reassignment BOXLER GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHMIDT, DETLEV
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E04F2201/0115—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/041—Tongues or grooves with slits or cuts for expansion or flexibility

Definitions

  • the invention relates to a panel, in particular a floor panel, having two tongues on one side and a groove on the opposite side, which tongues and groove are constructed in such a way that a number of panels can be connected to one another by the joining-together of said tongues and grooves, the tongue-and-groove connection being provided with interlatching means which prevent the separation of two panels.
  • Such a panel is known from DE 100 08 108 C1.
  • a wedge-shaped projection protrudes between the tongues from the base of the groove, said projection supporting the free ends of said tongues on the faces of the wedge.
  • the wedge-shaped projection requires considerable over-defining of the system, for which reason close tolerance requirements, which can be adhered to only with very high outlay, if at all, arise in the course of manufacture.
  • the lengths of the tongues, the dimensions of the wedge-shaped projection and the individual angles, as well as the dimensions of all the elements in the vertical direction (the vertical direction is perpendicular to the panel), are extremely critical.
  • the detachment of the panels from one another is also rather difficult, and associated with the risk of breakage, because of the tilting of the parts that occurs in the case of this prior art.
  • WO 01/48331 A1 describes a panel connection for, for example, floor panels, which has a tongue-and-groove connection that passes through a junction plane between adjacent panels, a so-called “locking peg on the floor side” being provided with latching means and said locking peg being functionally separate from the tongue-and-groove connection.
  • German Utility Model 200 18 760 indicates a tongue-and-groove connection for panels, in which a double tongue is used with a latching contour on the upper side of the panel.
  • the object underlying the invention is to provide a panel in which a reliable connection between adjacent panels can be produced by simple means.
  • “simple means” signifies, in particular, simple tools, the least critical tolerances possible in manufacture, and also the lowest possible demands on the material of the panel.
  • a “reliable connection” signifies, in particular, high long-term stability of the connection against drifting-apart of the panels, and also simple assembly of panels and relatively risk-free detachment of fitted panels from one another.
  • any additional functional element which, after the fashion of a wedge-shaped projection, for instance, as in the prior art explained above, engages between the tongues and at the same time supports the latter in the upward and downward directions.
  • the base of the groove is rounded. This benefits the elasticity of the tongue-and-groove connection as a whole, and also reduces the risk of cracks, i.e. benefits the stability of the connection.
  • Another preferred configuration of the invention makes provision for a vacant indentation having a depth of at least 1 mm, and preferably 1.5 mm, to be provided between the tongues in the joined-together condition.
  • This exemplified embodiment of the invention can also be further developed to the effect that the depth of the aforesaid vacant indentation amounts to at least 2 mm or at least 2.5 mm.
  • the depth of this indentation largely determines the springiness of the tongues. Said springiness in turn determines, on the one hand, the stability of the interlatching arrangement and, on the other, the degree of resistance both when assembling two panels and when detaching them from one another.
  • the interlatching means are disposed on the upper tongue.
  • a projection on said upper tongue preferably protrudes upwards and engages in a recess which is formed out in the upper boundary of the groove (i.e., the upper side wall of the groove) in the adjacent panel.
  • a small clearance which is not filled up by the projection is, in this case, preferably left in the depression.
  • the lower tongue is shorter than the other tongue. This facilitates, in particular, the detachment of two panels from one another and, in the process, reduces the danger of breakage.
  • top and bottom in the context of this invention, these indications relate to the usual use of the panels as a floor covering, and “top” therefore means vertically opposite to the direction of gravitational force, and “bottom” conversely means vertically in the direction of gravitational force, i.e. lying directly on the ground. If, on the other hand, the panels are not used on the floor, that is to say are used on a wall, for example, the terms are understood in an analogous manner, to the effect that “bottom” means: facing the wall.
  • the lower tongue is preferably shaped asymmetrically at its tip, with a rounded-off portion on the underside.
  • Another preferred configuration of the invention makes provision for a lower bottom projection, which delimits the groove at the bottom, to protrude at least 1.5 mm beyond the tip of the lower tongue (distance 36 ) in the joined-together condition.
  • FIG. 1 shows, diagrammatically, a section through a first exemplified embodiment of a connection between two floor panels
  • FIG. 2 shows a diagrammatic section through a second exemplified embodiment of a connection between two floor panels.
  • the floor panels 10 , 12 are represented, solely in the region of their tongue-and-groove connection, in FIGS. 1 and 2 . It is understood that the panel 10 has a groove on its left side (not represented) like the panel 12 , and that, correspondingly, the panel 12 has a double tongue on its right side (not represented) like the panel 10 .
  • the tongue-and-groove connection has two tongues 14 a , 14 b which are constructed so as to be integral (in one piece) with the panel 10 and which jut out from the latter in the horizontal direction.
  • the terms “horizontal” and “vertical” will be used here with reference to the use of the panels as a floor covering.
  • the lower tongue 14 b is represented in the figure with a cross-hatched region 14 c at its tip.
  • This cross-hatching indicates that the horizontal length of the tongue 14 b can be varied, approximately by the span of the cross-hatched region, something which will be explained in greater detail further on.
  • the two tongues 14 a , 14 b engage in a groove 16 in the panel 12 .
  • the groove 16 does not have any projection that comes into engagement with the two tongues 14 a , 14 b in the assembled condition. Rather, said groove 16 has a rounded-off base 16 a .
  • This has a number of advantages: In contrast to a groove that has corners in the region of its base, the danger of cracks or even of a break is greatly reduced. Furthermore, the round configuration of the groove, coupled with high elasticity, permits a diminution in the cavity formed, and thus an improvement in the stability of the panel connection.
  • the base 16 a of the groove is approximately semicircular in shape and merges tangentially into the parallel side faces of said groove 16 .
  • the upper tongue 14 a On its upper side, the upper tongue 14 a has a projection 18 which engages in a latching manner in a depression 20 in the upper outrigger 12 b of the panel 12 , in order to prevent separation of the panels 10 , 12 in the horizontal direction in a force-locking manner.
  • the connection therefore does not necessarily need any glue.
  • a clearance is left in the depression 20 , as is represented.
  • This configuration of the interlatching means permits simple disengagement of the connection without the danger of breakage.
  • Simple unlatching and also simple assembly are further benefited by the fact that the two tongues 14 a , 14 b engage freely in the groove 16 , that is to say a certain elastic relative movement of the two tongues towards one another is possible in the assembled condition. It has proved to be the case that, in spite of this elasticity, very satisfactory resistance of the connection to coming undone in the horizontal direction is nevertheless achieved with that construction of the tongue-and-groove connection which is represented.
  • the interlocking on the upper side permits clean and close contact of the panels against one another over their entire lateral edges. When the connection is taken apart, the lower tongue 14 b can be easily detached from the groove, without there being any danger of breakage, since it is neither latched in, nor pressed into a constrained location by a wedge.
  • the drawing also shows the junction plane 24 between the two connected panels 10 , 12 .
  • a clearance 22 which may optionally accommodate glue and also, apart from that, promotes precise contact of the two panels in the region of their upper joining line.
  • a region 26 in which a force vector acting vertically from above over the entire connection from top to bottom is completely absorbed by solid material.
  • the regions which are cross-hatched in the figure are important: First of all, the figure shows a cross-hatched region 10 a which can be described as a “feather-arm support”. Said region 10 a is an integral (one-piece) constituent part of the panel 10 , i.e. the material of said panel 10 extends fully into the cross-hatched region 10 a . The only clearance then remaining between the tongues 14 a , 14 b is the indentation 32 .
  • the cross-hatched region 10 a i.e. the right-hand boundary of said region 10 a can be altered, in accordance with the double arrow represented, towards the left or even towards the right. It is possible to alter the springiness of the tongues 14 a , 14 b , depending upon the horizontal length of the region 10 a .
  • the size of the region 10 a defines the region 26 over which, continuously from top to bottom, a force operating vertically in the region of the junction plane is absorbed, without cavities, by solid material.
  • the bottom projection 12 a of the right-hand panel 12 which projection is represented at the bottom in the figure, is also significant.
  • the material of the bottom projection 12 a is formed out in a manner integral (in one piece) with the material of the right-hand panel 12 , and the horizontal length of said bottom projection 12 a can be varied over the cross-hatched region, in which connection two possible extreme locations are represented in the figure:
  • bottom projection 12 a of the panel 12 which is represented in a cross-hatched manner reaches as far as the junction plane 24 , but in the other extreme location, said bottom projection 12 a is substantially shorter and reaches under the lower tongue 14 b only by the span 36 , i.e. the lower bottom projection 12 a is precisely long enough to come into plane-parallel contact, with satisfactory, stable support, with the lower face of the tongue 14 b .
  • the bottom projection 12 a is preferably constructed in such a way that it protrudes into the region 26 by more than 1 mm, and preferably more than 1.5 mm, in order to thus guarantee that a force vector acting perpendicularly (vertically) in the region 26 is absorbed at every point by material.
  • the dimensions are important.
  • the figure shows said panel connection on a scale of 10:1.
  • the overall height of the two panels in the vertical direction) amounts to 7 mm.
  • the horizontal length of the lower tongue 14 b can likewise be varied within the bounds of the cross-hatched region 14 c .
  • the maximum horizontal length of the lower tongue 14 b is less than the horizontal length of the upper tongue 14 a , i.e. the tip 30 of the lower tongue 14 b lies closer to the junction plane 24 than the tip 28 of the upper tongue 14 a .
  • the span 34 i.e. the depth of the vacant indentation 32 with reference to the front end of the tongue 14 b , is critical to the elasticity of the lower tongue 14 b , which elasticity is significant, particularly when unlatching the connection. In the course of the unlatching operation, a panel is normally raised slightly. In the process, the lower tongue 14 b has to deflect elastically a little. In order to benefit this possibility of deflection and to reduce the forces on the tongue 14 b , the latter is rounded-off on its underside, as is represented in the figure.
  • the horizontal length of the lower bottom projection 12 a which can also be described as a “side of the groove” with reference to the groove 16 , is coordinated with the length of the lower tongue 14 b .
  • One extreme combination is represented in the figure by those regions of the bottom projection 12 a and tongue 14 b which have single hatching.
  • Another extreme combination is represented in the figure by the double-hatched (chequered) regions of said elements.
  • what applies as regards the horizontal length of the tongue 14 b is that at least half the latter protrudes into the region 26 .
  • the tongues 14 a , 14 b may be of relatively robust dimensions, i.e. their dimensions in the vertical direction may be relatively large.
  • the upper tongue 14 a has a vertical height of about 1.3 mm (other than in the region of the projection 18 ), while the lower tongue 14 b has a vertical dimension of 1.2 mm.
  • the floor panel has a thickness of 7 mm, dimensions of 1 to 1.4 mm are generally eligible for consideration for the upper tongue 14 a , and dimensions of 1 to 1.3 mm for the lower tongue.
  • the interlatching means may be disposed on the lower arm 14 b , that is to say a downwardly pointing nose and a corresponding recess in the bottom projection 12 a may be provided in an analogous manner.
  • This variant is advantageous, in particular, when no unlocking of the panels is planned.
  • FIG. 2 shows a modification to the exemplified embodiment described above with the aid of FIG. 1 .
  • the features which are identical are immediately apparent from FIG. 2 .
  • the lower tongue 14 b likewise protrudes less far into the groove 16 than the upper tongue 14 a .
  • “lower” and “upper” mean that the first one lies closer to the ground on which the floor panel is disposed.
  • the indentation 32 between the two tongues 14 a , 14 b has a different shape in the exemplified embodiment according to FIG. 2 .
  • the upper tongue 14 a On its inner side, the upper tongue 14 a has an approximately sinusoidal profile (cf. FIG. 2 ) from its tip 28 as far as the point of connection to the lower tongue 14 b .
  • This sweeping curve which avoids sharp angles, is designated by the reference numeral 32 in FIG. 2 .
  • This shaping of the underside of the upper tongue 14 a leads to increased stability of the latter and to the avoidance of cracks when panels are taken apart.
  • the front tip 28 of the upper tongue 14 a abuts against a point on the base of the groove 16 .
  • the upper outrigger ( 12 b ) of the panels is rounded-off in a bead-shaped manner in the exemplified embodiment according to FIG. 2 .
  • This configuration likewise benefits both the assembly and the taking-apart of the panels.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Floor Finish (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
US10/504,485 2002-06-20 2003-06-17 Panel connection Abandoned US20050115184A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10227607A DE10227607A1 (de) 2002-06-20 2002-06-20 Paneel-Verbindung
DE10227607.2 2002-06-20
PCT/EP2003/006385 WO2004001156A1 (de) 2002-06-20 2003-06-17 Paneel-verbindung

Publications (1)

Publication Number Publication Date
US20050115184A1 true US20050115184A1 (en) 2005-06-02

Family

ID=29719300

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/504,485 Abandoned US20050115184A1 (en) 2002-06-20 2003-06-17 Panel connection

Country Status (6)

Country Link
US (1) US20050115184A1 (de)
EP (1) EP1513995B1 (de)
AT (1) ATE392519T1 (de)
CA (1) CA2466614C (de)
DE (2) DE10227607A1 (de)
WO (1) WO2004001156A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008106854A1 (fr) * 2007-03-02 2008-09-12 Li Tang Panneau de sol avec tenon élastique
US20080241440A1 (en) * 2005-08-19 2008-10-02 Bauer Jorg R Detachably-Affixable, Flat Components, in Particular Floor Covering Parts, and Component
US10731689B2 (en) 2008-12-17 2020-08-04 Unilin, Bvba Composed element, multi-layered board and panel-shaped element for forming this composed element
CN112647670A (zh) * 2020-12-18 2021-04-13 安徽国基通用技术有限公司 一种锁扣板面和板件锁扣连接结构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1516977A1 (de) * 2003-09-17 2005-03-23 Cosmo S.p.A. Paneel, insbesondere für Bodenbeläge aus Holz

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1652743A (en) * 1926-09-03 1927-12-13 Kenneth L Smith Building block
US2152694A (en) * 1938-03-28 1939-04-04 Otto P Tiemann Hardwood flooring
US3557509A (en) * 1968-11-05 1971-01-26 Blaski Mfg Co Building panel construction
US3572224A (en) * 1968-10-14 1971-03-23 Kaiser Aluminium Chem Corp Load supporting plank system
US3667180A (en) * 1970-11-03 1972-06-06 Robertson Co H H Fastening means for double-skin foam core building construction panel
US4037377A (en) * 1968-05-28 1977-07-26 H. H. Robertson Company Foamed-in-place double-skin building panel
US4304083A (en) * 1979-10-23 1981-12-08 H. H. Robertson Company Anchor element for panel joint
US5295341A (en) * 1992-07-10 1994-03-22 Nikken Seattle, Inc. Snap-together flooring system
US5425210A (en) * 1992-08-07 1995-06-20 Zafir; George Insulated panel
US5509242A (en) * 1994-04-04 1996-04-23 American International Homes Limited Structural insulated building panel system
US6150424A (en) * 1996-09-03 2000-11-21 Basf Aktiengesellschaft Solid foamed active substance preparations
US6423257B1 (en) * 1996-11-21 2002-07-23 Timbertech Limited Method of manufacturing a sacrificial limb for a deck plank
US6823638B2 (en) * 2001-06-27 2004-11-30 Pergo (Europe) Ab High friction joint, and interlocking joints for forming a generally planar surface, and method of assembling the same
US6925770B2 (en) * 2002-05-07 2005-08-09 Sorensen Research And Development Trust Interlockable element for structure assembly set

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DE426251C (de) * 1924-04-13 1926-03-05 Max Schaeffer Baukasten
GB614394A (en) * 1945-04-12 1948-12-15 William Cookson Improvements in and relating to walling or panelling units for building purposes
DE1534802A1 (de) * 1965-02-08 1970-04-02 Weber Geb Walter Einzelplatte fuer Stabfussboden
BE717727A (de) * 1967-07-12 1968-12-16
JP2978403B2 (ja) * 1994-10-13 1999-11-15 ナショナル住宅産業株式会社 木質床材の接合部構造
DE19925248C2 (de) * 1999-06-01 2002-11-14 Schulte Johannes Fußbodendiele
AU4743800A (en) 1999-12-23 2001-07-09 Hamberger Industriewerke Gmbh Joint
DE10008108C1 (de) 2000-02-22 2001-05-23 Kronotec Ag Paneel, insbesondere Fussbodenpaneel
DE20018760U1 (de) 2000-11-02 2000-12-28 Boxler Gmbh & Co Kg Nut-Feder-Verbindung für Paneele

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1652743A (en) * 1926-09-03 1927-12-13 Kenneth L Smith Building block
US2152694A (en) * 1938-03-28 1939-04-04 Otto P Tiemann Hardwood flooring
US4037377A (en) * 1968-05-28 1977-07-26 H. H. Robertson Company Foamed-in-place double-skin building panel
US3572224A (en) * 1968-10-14 1971-03-23 Kaiser Aluminium Chem Corp Load supporting plank system
US3557509A (en) * 1968-11-05 1971-01-26 Blaski Mfg Co Building panel construction
US3667180A (en) * 1970-11-03 1972-06-06 Robertson Co H H Fastening means for double-skin foam core building construction panel
US4304083A (en) * 1979-10-23 1981-12-08 H. H. Robertson Company Anchor element for panel joint
US5295341A (en) * 1992-07-10 1994-03-22 Nikken Seattle, Inc. Snap-together flooring system
US5425210A (en) * 1992-08-07 1995-06-20 Zafir; George Insulated panel
US5509242A (en) * 1994-04-04 1996-04-23 American International Homes Limited Structural insulated building panel system
US6150424A (en) * 1996-09-03 2000-11-21 Basf Aktiengesellschaft Solid foamed active substance preparations
US6423257B1 (en) * 1996-11-21 2002-07-23 Timbertech Limited Method of manufacturing a sacrificial limb for a deck plank
US6823638B2 (en) * 2001-06-27 2004-11-30 Pergo (Europe) Ab High friction joint, and interlocking joints for forming a generally planar surface, and method of assembling the same
US6925770B2 (en) * 2002-05-07 2005-08-09 Sorensen Research And Development Trust Interlockable element for structure assembly set

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080241440A1 (en) * 2005-08-19 2008-10-02 Bauer Jorg R Detachably-Affixable, Flat Components, in Particular Floor Covering Parts, and Component
WO2008106854A1 (fr) * 2007-03-02 2008-09-12 Li Tang Panneau de sol avec tenon élastique
US10731689B2 (en) 2008-12-17 2020-08-04 Unilin, Bvba Composed element, multi-layered board and panel-shaped element for forming this composed element
US10935063B2 (en) 2008-12-17 2021-03-02 Unilin Bv Composed element, multi-layered board and panel-shaped element for forming this composed element
US11085475B2 (en) 2008-12-17 2021-08-10 Flooring Industries Limited, Sarl Composed element, multi-layered board and panel-shaped element for forming this composed element
US11319977B2 (en) 2008-12-17 2022-05-03 Flooring Industries Limited, Sarl Composed element, multi-layered board and panel-shaped element for forming this composed element
KR20230136231A (ko) * 2008-12-17 2023-09-26 플로어링 인더스트리즈 리미티드 에스에이알엘 조립식 부재, 다층형 보드 그리고 상기 조립식 부재를 형성하기 위한 패널 형상 부재
US11788568B2 (en) 2008-12-17 2023-10-17 Flooring Industries Limited Sarl Composed element, multi-layered board and panel-shaped element for forming this composed element
US12123441B2 (en) 2008-12-17 2024-10-22 Unilin Bv Composed element, multi-layered board and panel-shaped element for forming this composed element
KR102834617B1 (ko) * 2008-12-17 2025-07-15 유니린 비브이 조립식 부재, 다층형 보드 그리고 상기 조립식 부재를 형성하기 위한 패널 형상 부재
CN112647670A (zh) * 2020-12-18 2021-04-13 安徽国基通用技术有限公司 一种锁扣板面和板件锁扣连接结构

Also Published As

Publication number Publication date
EP1513995A1 (de) 2005-03-16
EP1513995B1 (de) 2008-04-16
ATE392519T1 (de) 2008-05-15
CA2466614C (en) 2011-03-15
CA2466614A1 (en) 2003-12-31
DE50309643D1 (de) 2008-05-29
DE10227607A1 (de) 2004-01-08
WO2004001156A1 (de) 2003-12-31

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Owner name: BOXLER GMBH & CO. KG, GERMANY

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Effective date: 20031128

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