EP2964538A1 - Tube connection, support frame having a tube connection, and cardboard tube for forming an insertion tube for a tube connection - Google Patents

Tube connection, support frame having a tube connection, and cardboard tube for forming an insertion tube for a tube connection

Info

Publication number
EP2964538A1
EP2964538A1 EP14713772.3A EP14713772A EP2964538A1 EP 2964538 A1 EP2964538 A1 EP 2964538A1 EP 14713772 A EP14713772 A EP 14713772A EP 2964538 A1 EP2964538 A1 EP 2964538A1
Authority
EP
European Patent Office
Prior art keywords
tube
engagement
receiving
cross
pipe connection
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.)
Granted
Application number
EP14713772.3A
Other languages
German (de)
French (fr)
Other versions
EP2964538B1 (en
Inventor
Horst Schader
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
Priority to SI201430324T priority Critical patent/SI2964538T1/en
Priority to RS20170766A priority patent/RS56356B1/en
Priority to PL14713772T priority patent/PL2964538T3/en
Publication of EP2964538A1 publication Critical patent/EP2964538A1/en
Application granted granted Critical
Publication of EP2964538B1 publication Critical patent/EP2964538B1/en
Priority to HRP20171160TT priority patent/HRP20171160T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • B65D19/385—Frames, corner posts or pallet converters, e.g. for facilitating stacking of charged pallets
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4279—Joints, seams, leakproof joints or corners, special connections between panels
    • 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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/02—Rigid pallets with side walls, e.g. box pallets
    • B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
    • B65D19/20—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of paper
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00154—Materials for the side walls
    • B65D2519/00159—Paper
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00223—Materials for the corner elements or corner frames
    • B65D2519/00228—Paper
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00492—Overall construction of the side walls
    • B65D2519/00502—Overall construction of the side walls whereby at least one side wall is made of two or more pieces
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00492—Overall construction of the side walls
    • B65D2519/00532—Frame structures
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00577—Connections structures connecting side walls, including corner posts, to each other
    • B65D2519/00582—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable
    • B65D2519/00587—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable side walls directly connected to each other
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00577—Connections structures connecting side walls, including corner posts, to each other
    • B65D2519/00582—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable
    • B65D2519/00606—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable side walls connected via corner posts
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00636—Connections structures connecting side walls to the pallet
    • B65D2519/00641—Structures intended to be disassembled
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00671—Connections structures connecting corner posts to the pallet
    • B65D2519/00676—Structures intended to be disassembled
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/32—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper having bodies formed by folding and interconnecting two or more blanks each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray

Definitions

  • the present invention relates to a pipe joint comprising a receiving tube and an engaging tube, which are formed as cardboard tubes, which are preferably formed from wound and / or glued multi-ply (recycled) paper, wherein the receiving tube and the engaging tube in each case formed of a contiguous formed Abkant vom Have tube cross-section, such that the tube cross-sections each form at least two adjacent rectangular tube chambers and the receiving tube to form a receiving groove has an open to a connection side of the cardboard tube receiving tube chamber into which the engaging tube for establishing a connection with the receiving tube with an engaging tube chamber or a axial end portion engages.
  • the present invention relates to a support frame with frame corners, which are formed from such pipe joints and a cardboard tube for forming an engagement tube for a pipe joint.
  • supporting frames which are used in particular for the formation of a container provided with a pallet base, from Assemble cardboard tubes, which are formed from wound and / or glued multi-layer (recycled) paper.
  • Assemble cardboard tubes which are formed from wound and / or glued multi-layer (recycled) paper.
  • WO 201/1 13420 A2 shows a support frame which is composed of cardboard tubes and has frame corners in which an engagement connection is formed between the cardboard tubes.
  • the present invention has for its object to provide a pipe joint, which is particularly suitable for the production of support frame of a transport packaging, which is easier to manufacture and also characterized by a particularly high strength.
  • the pipe joint according to the invention has the features of claim 1.
  • the tube cross-sections are designed such that the tube cross-sections in each case have at least two adjacent rectangular tube chambers which allow the production of an engagement connection between the engagement tube and the receiving tube in a simple manner and with a particularly high stability.
  • the receiving tube forming a groove flank of the receiving groove is provided on its inside with a detent web, which is engaged behind by a arranged on an outer side of the tube chamber of the engaging tube locking bar.
  • the latching web is formed from a fold edge of the groove edge forming Abkant Chemistry the receiving tube and thus particularly stiff. If the receiving groove is formed by an inserted into the receiving chamber U-profile strip to secure the pipe joint, which is provided on inner sides of profile legs, each with a locking web, an even greater stability is possible. If the locking webs are formed by formed on the longitudinal edges of the profile leg envelope edges, the locking webs can be made particularly simple.
  • the locking bar is formed from an angle bar arranged on an edge of the engaging tube chamber.
  • angle bar is designed as a U-profile strip, a particularly effective adaptation to a correspondingly provided with a U-profile strip receiving groove of the receiving tube is possible.
  • the angle bar may extend perpendicular to the longitudinal axis of the engagement tube and terminate an axial end cross section of the engagement tube or alternatively extend parallel to the longitudinal axis of the engagement tube and be disposed on the engagement tube chamber.
  • the receiving tube preferably has a pipe cross-section forming the number 6 with abutment surfaces abutting one another at right angles, such that the receiving chamber has a lateral engagement opening for the engagement pipe.
  • the engagement tube has a pipe cross-section forming the number 8 with abutting surfaces fitting at right angles, such that an L-shaped connecting cross-section with connecting legs arranged at right angles to one another is formed by engagement of the engagement chamber of the engagement pipe in the receiving chamber of the receiving pipe, a corner joint is formed that is particularly stiff possible.
  • the support frame according to the invention has the features of claim 12.
  • the inventively embodied support frame is provided with frame corners, which formed from the pipe connections according to the invention are so that the support frame is characterized by a special connection stiffness and high load capacity.
  • the frame corners are arranged by means of transversely to the longitudinal extent of the pipe connections arranged as cardboard tubes and preferably formed from wound and / or glued multi-layer (recycled) paper cross members.
  • the cross struts each engage with an axial connection end in an engagement tube or a receiving tube, a direct connection can be required.
  • a particularly universal use of the engagement tubes is possible when the cross struts are formed from engaging tubes.
  • the stability can be increased even further.
  • the cardboard tube according to the invention for forming the engagement tube is designed so that longitudinal edges of a carton blank forming a middle web of the numeral 8 structure for abutment against an outer web of the numeral 8 form a pipe cross-section forming the numeral 8 with right-angled abutting surfaces. 8 structure are brought, such that with the longitudinal end edges provided Abkant lake are arranged flat against each other and at right angles to the outer web.
  • the cardboard tube according to the invention has, in a second embodiment, for the formation of a pipe cross-section forming the number 8 formed with at right angles to each other abutting Abkantvid on longitudinal edges of a carton blank formed envelope edges, which are brought to form a central web of the digit-8 structure to rest against an outer web of the digit-8 structure, such that provided with the cover edges Abkantvid areal against each other and at right angles are arranged to the outer web.
  • Fig. 1 a support frame in a first embodiment in isometric view
  • Fig. 2 is a plan view of a frame corner of the support frame shown in Figure 1 in isometric view with a receiving tube and an engaging tube ..;
  • Fig. 3 the receiving tube of the frame corner shown in Figure 2 in an individual view.
  • FIG. 4 shows the engagement tube of the frame corner shown in FIG. 2 in an individual view
  • FIG. 5 an angle strip arranged on the engagement tube according to the illustration in FIG. 1, in a detail view;
  • FIG. 6 shows a support frame according to a second embodiment in an isometric view
  • FIG. 7 shows the support frame shown in FIG. 6 immediately before joining a frame corner
  • FIG. 8 shows a plan view of a frame corner according to view VIII in FIG. 6;
  • FIG. 9 is a sectional view of a frame corner according to section line IX-IX in FIG. 6;
  • FIG. 8 shows a plan view of a frame corner according to view VIII in FIG. 6;
  • FIG. 9 is a sectional view of a frame corner according to section line IX-IX in FIG. 6;
  • FIG. 8 shows a plan view of a frame corner according to view VIII in FIG. 6;
  • FIG. 9 is a sectional view of a frame corner according to section line IX-IX in FIG. 6;
  • FIG. 11 a side part composed of engaging tubes of the supporting frame shown in FIG. 6;
  • FIG. 12 a side part composed of engaging tubes and receiving tubes of the supporting frame illustrated in FIG. 6;
  • FIG. 13 a sectional part composed of engaging tubes in a further embodiment
  • FIG. 14 shows a side part composed of engaging tubes in a further embodiment
  • Fig. 15 an engagement tube in a further embodiment.
  • Fig. 1 shows a support frame 10 which is composed of frame corners 1 1 and cross struts 12 and is used for example as a frame structure for a transport container, preferably in the aforementioned case, the support frame 10 shown in FIG. 1 is provided with a pallet base on the the support frame 10 can be arranged and provided with an opposite of the pallet base arranged frame cover. The pallet base and the frame cover can be clamped together, in which case the support frame receives corresponding tensile or lashing forces.
  • Fig. 2 shows a frame corner 1 1 in a representation in which a formed by a pipe cross-section 13 of an engaging tube 14 and a tube cross-section 15 of a receiving tube 16 connecting cross-section 17 of a frame corner 1 1 forming pipe connection 1 8 is shown.
  • the receiving tube 16 in a detail view with the tube cross section 15, which forms a number 6 structure in that a multiplicity of abutment surfaces arranged at right angles to one another and arranged contiguously are arranged in their relative position such that, when viewing the tube cross section 15 is formed in the direction of arrow III of the pipe cross-section 15 analogous to the number 6.
  • the tube cross-section 15 has five abutting surfaces 19, 20, 21, 23 and 23 adjoining each other at right angles, wherein the bending surface 23, which forms a central web of the numeral 6 structure, has a connecting web 24 bent at right angles thereto is connected to the Abkant Structure 20, which forms an outer web of the numeral 6 structure.
  • two rectangular tube chambers namely the tubular chamber 25 in the form of a closed profile and the engagement tube chamber 26 in the form of an open profile, are formed by the number 6 structure.
  • the engagement tube chamber 26 forms a receiving groove, wherein a groove edge forming Abkant constitutional 1 9 is provided at its front end with a folded edge to form a locking web 27.
  • the tube cross-section 13 of the engagement tube 14 is formed as a numeral 8 structure with two tubular chambers 28 and 29 adjoining each other as closed rectangular profiles, whereby the tube chamber 29 forms an engagement tube chamber which is inserted into the receiving tube chamber 26 of the receiving tube 16 laterally engages, so that the tube cross section 13 of the engagement tube 14 in combination with the tube cross section 15 of the receiving tube 16 forms the connecting cross section 17.
  • the tube chamber 29 forms an engagement tube chamber which is inserted into the receiving tube chamber 26 of the receiving tube 16 laterally engages, so that the tube cross section 13 of the engagement tube 14 in combination with the tube cross section 15 of the receiving tube 16 forms the connecting cross section 17.
  • the numeral 8 structure of the tube cross section 13 of the engagement tube 14 is formed of a plurality of perpendicular abutting abutment surfaces 30 to 36, which form the two tube chambers 28, 29, wherein longitudinal end edges 30, 3 1 of the surface against each other -
  • the adjacent and mutually parallel Abkantendon 33, 36 are arranged to bear against a formed by the right angles to the Abkant inhabit 33, 36 Abkant Structure 30 outer web and bear against it.
  • the engagement tube 14 or the engagement tube chamber of the engagement tube 14 is provided with a locking bar 39, which in the present case is formed from an angle bar 40 arranged on a profile edge of the engagement tube chamber.
  • the illustrated in Fig. 5 as a single part angle bar is like the engaging tube 14 and the receiving tube 1 6 formed by a relative arrangement of mutually perpendicular Abkantvid.
  • a manufacture of the engaging tube 14 for example by possible that a provided with a closed rectangular cross-section square or rectangular tube is divided longitudinally and the resulting legs of a U-shaped half pipe to form the figure 8 structure shown in Fig. 4 each twice to form the right angles to each other arranged Abkant vom 32nd , 33 and 35, 36 are bent over an example defined by perforation edge 36, 37.
  • Fig. 6 shows in a further embodiment, a support frame 40 which in the case of the present embodiment, two S eitenmaschine 4 1 and two side parts 42 which are connected in frame corners 43 via pipe connections 44.
  • Support frame 44 are joined such that the side parts 42 are vertically inserted with arranged at their ends U-profile strips 5 1 in formed at the ends of the side parts 41 receiving grooves 46.
  • FIG. 8 shows a frame corner 43 in plan view with a receiving tube 47 into which axial ends 57 (see also FIG. 10) of an engagement tube 48 are inserted.
  • the receiving tube 47 has a structure basically identical to the receiving tube 16 shown in FIG. 3, with a closed tube chamber 49 and a tube chamber 50 open to form the receiving groove 46 into which a U-profile strip 45 is inserted, with profile legs 52 , 53, which are in each case provided on inner sides with a latching web 54, 55, which are each formed by an envelope edges formed on longitudinal edges of the profile legs, ie folding surfaces 56 which are folded back against the inner sides of the profile legs 52, 53.
  • the side part 42 has engagement tubes 48 on, which are provided at their axial ends 57 and at their longitudinal edges 58 with the U-profile strips 5 1.
  • the U-profile strip forms 5 1 bar webs 59, 50, which engage behind the locking webs 54, 55 in the receiving groove 46, so that a release of the connection in the longitudinal direction of the engaging tube 48 shown in Fig. 8 is not possible ,
  • Fig. 9 shows the pipe joint 44 in the region of a side member 42 parallel to the U-profile strip 5 1 aligned engagement tube 48, wherein apart from the fact that here the U-profile strip 5 1 is formed at the longitudinal edge of the engagement tube 48, the engagement conditions as such identical are with the engagement conditions shown in Fig. 8.
  • FIG. 10 shows the engagement tube 48 in an isometric view, wherein it is clear that, in comparison to the engagement tube 14 shown in FIG. 4, the engagement tube 48 is designed in a matching manner as a number 8 structure.
  • Fig. 9 in addition to the mutually parallel Abkantvid 33, 36, which serve to form a pipe chambers 28, 29 separating the middle web 61, cover edges 62, 63, which are formed by the fact that in addition to the Abkantvid 33, 36 additional Abkantvid 64, 65 are provided, which are folded against the Abkant Jerusalem 33, 36.
  • Such formed envelope edges 62, 63 can be produced, for example, characterized in that the carton blank is notched on one side at the intended for forming the cover edges 62, 63 point.
  • the side member 42 shown in Fig. 11 is made in the case of the present embodiment of three mutually parallel engaging tubes 48, the transverse struts 67 and spaced by also mutually parallel and perpendicular to the first engaging tubes 48 oriented spacers 66 are spaced.
  • the spacers 66 are also formed from engaging tubes 48.
  • the side member 41 shown by way of example in FIG. 12 has, like the side part 42, formed of engaging tubes 48 cross struts 67, wherein a connection between the axial ends 57 of the engaging tubes 48 and the closed tube chamber 49 of the receiving tube 47 by insertion of the axial ends 57th in lateral insertion openings 68 of the receiving tubes 47 takes place.
  • axial ends of the U-profile strips 5 1 arranged on the longitudinal edges of the engagement tubes 48 rest on the receiving tubes 47.
  • Fig. 13 shows in a variant of a further S eitenteil 70, which is formed of a plurality of parallel trained engagement tubes 48, which are connected at their longitudinal edges by gluing together. Furthermore, the engagement tubes 48 are each connected at their axial ends 57 j each other via a U-profile strip 5 1.
  • Fig. 14 shows a side part 71, which is also composed of engaging tubes 48, wherein the engaging tubes 48 in the present case at both longitudinal edges 58, 59 in each case with a U-profile strip 5 1 are provided and the connection of the engaging tubes 48 with each other via a bond the arranged on the longitudinal edges 58, 59 U-profile strips 5 1 takes place.
  • Fig. 15 shows an embodiment of an engaging tube 72 which is composed of a plurality of corrugated strips 73 extending parallel to each other and adhesively bonded together, the corrugated strips 73 being arranged so that tubes formed in the corrugated strips 73 are parallel to each other and thus form a unidirectional tube bundle. At the longitudinal edges of the engagement tube 72 is provided with U-profile strips 5 1, which ensure a secure bond of the corrugated strip 73.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

The invention relates to a tube connection and a support frame having such tube connections, wherein the tube connection has a receiving tube (47) and an insertion tube (48), which are designed as cardboard tubes, wherein the receiving tube and the insertion tube each have a tube cross-section formed by connected fold surfaces, in such a way that the tube cross-sections each form at least two adjacent rectangular tube chambers and the receiving tube has a receiving tube chamber open to a connecting side of the cardboard tube in order to form a receiving groove (46), in which receiving tube chamber the insertion tube is inserted by means of an insertion tube chamber or an axial end segment in order to establish a connection to the receiving tube.

Description

Rohrverbindung sowie Tragrahmen mit einer Rohrverbindung und Kartonrohr zur Ausbildung eines Eingriffsrohrs für eine Rohrverbindung  Pipe connection and support frame with a pipe connection and cardboard tube to form an engagement tube for a pipe connection
Die vorliegende Erfindung betrifft eine Rohrverbindung umfassend ein Aufnahmerohr und ein Eingriffsrohr, die als Kartonrohre ausgebildet sind, welche vorzugsweise aus gewickeltem und/oder geklebtem mehrlagigen (Recycling-) Papier gebildet sind, wobei das Aufnahmerohr und das Eingriffsrohr j eweils einen aus zusammenhängend ausgebildeten Abkantflächen gebildeten Rohrquerschnitt aufweisen, derart, dass die Rohrquerschnitte jeweils zumindest zwei benachbarte rechteckförmige Rohrkammern ausbilden und das Aufnahmerohr zur Ausbildung einer Aufnahmenut eine zu einer Verbindungsseite des Kartonrohrs offene Aufnahme-Rohrkammer aufweist, in die das Eingriffsrohr zur Herstellung einer Verbindung mit dem Aufnahmerohr mit einer Eingriffsrohrkammer oder einem axialen Endabschnitt eingreift. Darüber hinaus betrifft die vorliegende Erfindung eine Tragrahmen mit Rahmenecken, die aus derartigen Rohrverbindungen ausgebildet sind und ein Kartonrohr zur Ausbildung eines Eingriffsrohrs für eine Rohrverbindung. The present invention relates to a pipe joint comprising a receiving tube and an engaging tube, which are formed as cardboard tubes, which are preferably formed from wound and / or glued multi-ply (recycled) paper, wherein the receiving tube and the engaging tube in each case formed of a contiguous formed Abkantflächen Have tube cross-section, such that the tube cross-sections each form at least two adjacent rectangular tube chambers and the receiving tube to form a receiving groove has an open to a connection side of the cardboard tube receiving tube chamber into which the engaging tube for establishing a connection with the receiving tube with an engaging tube chamber or a axial end portion engages. Moreover, the present invention relates to a support frame with frame corners, which are formed from such pipe joints and a cardboard tube for forming an engagement tube for a pipe joint.
Es ist bereits bekannt, Tragrahmen, die insbesondere zur Ausbildung eines mit einer Palettenbasis versehenen Transportbehälters dienen, aus Kartonrohren zusammenzusetzen, die aus gewickeltem und/oder geklebtem mehrlagigen (Recycling-) Papier gebildet sind. So zeigt beispielsweise die WO 201 1 / 1 13420 A2 einen Tragrahmen, der aus Kartonrohren zusammengesetzt ist und Rahmenecken aufweist, in denen zwischen den Kartonrohren eine Eingriffsverbindung ausgebildet ist. It is already known, supporting frames, which are used in particular for the formation of a container provided with a pallet base, from Assemble cardboard tubes, which are formed from wound and / or glued multi-layer (recycled) paper. For example, WO 201/1 13420 A2 shows a support frame which is composed of cardboard tubes and has frame corners in which an engagement connection is formed between the cardboard tubes.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Rohrverbindung vorzuschlagen, die insbesondere zur Herstellung von Tragrahmen einer Transportverpackung geeignet ist, welche einfacher herstellbar ist und sich zudem durch eine besonders hohe Festigkeit auszeichnet. Zur Lösung dieser Aufgabe weist die erfindungsgemäße Rohrverbindung die Merkmale des Anspruchs 1 auf. The present invention has for its object to provide a pipe joint, which is particularly suitable for the production of support frame of a transport packaging, which is easier to manufacture and also characterized by a particularly high strength. To solve this problem, the pipe joint according to the invention has the features of claim 1.
Erfindungsgemäß sind die Rohrquerschnitte so ausgebildet, dass die Rohrquerschnitten j eweils zumindest zwei benachbarte rechteckförmige Rohrkammern aufweisen, die die Herstellung einer Eingriffsverbindung zwischen dem Eingriffsrohr und dem Aufnahmerohr auf einfache Art und Weise und mit besonders hoher Stabilität ermöglichen. According to the invention, the tube cross-sections are designed such that the tube cross-sections in each case have at least two adjacent rectangular tube chambers which allow the production of an engagement connection between the engagement tube and the receiving tube in a simple manner and with a particularly high stability.
Vorzugsweise ist zur Sicherung der Rohrverbindung eine Abkantfläche des Aufnahmerohres, die eine Nutflanke der Aufnahmenut ausbildet, auf ihrer Innenseite mit einem Raststeg versehen ist, der von einem auf einer Außenseite der Rohrkammer des Eingriffsrohres angeordneten Riegelsteg hintergriffen wird. Preferably, to secure the pipe connection a Abkantfläche the receiving tube forming a groove flank of the receiving groove is provided on its inside with a detent web, which is engaged behind by a arranged on an outer side of the tube chamber of the engaging tube locking bar.
Vorzugsweise ist der Raststeg aus einer Umschlagkante der die Nutflanke ausbildenden Abkantfläche des Aufnahmerohrs und somit besonders steif ausgebildet. Wenn zur Sicherung der Rohrverbindung die Aufnahmenut durch eine in die Aufnahmekammer eingesetzte U-Profilleiste ausgebildet ist, die auf Innenseiten von Profilschenkeln mit jeweils einem Raststeg versehen ist, wird eine noch größere Stabilität ermöglicht. Wenn die Raststege durch an Längsrändern der Profilschenkel ausgebildete Umschlagkanten ausgebildet sind, können die Raststege besonders einfach hergestellt werden. Preferably, the latching web is formed from a fold edge of the groove edge forming Abkantfläche the receiving tube and thus particularly stiff. If the receiving groove is formed by an inserted into the receiving chamber U-profile strip to secure the pipe joint, which is provided on inner sides of profile legs, each with a locking web, an even greater stability is possible. If the locking webs are formed by formed on the longitudinal edges of the profile leg envelope edges, the locking webs can be made particularly simple.
Vorzugsweise ist der Riegelsteg aus einer auf einer Kante der Eingriffs- rohrkammer angeordneten Winkelleiste gebildet ist. Preferably, the locking bar is formed from an angle bar arranged on an edge of the engaging tube chamber.
Wenn die Winkelleiste als U-Profilleiste ausgebildet ist, ist eine besonders wirkungsvolle Anpassung an eine entsprechend mit einer U- Profilleiste versehene Aufnahmenut des Aufnahmerohrs möglich.. If the angle bar is designed as a U-profile strip, a particularly effective adaptation to a correspondingly provided with a U-profile strip receiving groove of the receiving tube is possible.
Die Winkelleiste kann sich senkrecht zur Längsachse des Eingriffsrohres erstreckt und einen axialen Endquerschnit des Eingriffsrohres abschließen oder alternativ sich parallel zur Längsachse des Eingriffsrohres erstrecken und an der Eingriffsrohrkammer angeordnet sein. The angle bar may extend perpendicular to the longitudinal axis of the engagement tube and terminate an axial end cross section of the engagement tube or alternatively extend parallel to the longitudinal axis of the engagement tube and be disposed on the engagement tube chamber.
Vorzugsweise weist das Aufnahmerohr einen die Ziffer 6 ausbildenden Rohrquerschnitt mit rechtwinklig aneinander ansetzenden Abkantflächen auf, derart, dass die Aufnahmekammer eine seitliche Eingriffsöffnung für das Eingriffsrohr aufweist. The receiving tube preferably has a pipe cross-section forming the number 6 with abutment surfaces abutting one another at right angles, such that the receiving chamber has a lateral engagement opening for the engagement pipe.
Wenn das Eingriffsrohr einen die Ziffer 8 ausbildenden Rohrquerschnitt mit rechtwinklig aneinander ansetzenden Abkantflächen aufweist, derart, dass durch den Eingriff der Eingriffskammer des Eingriffsrohres in die Aufnahmekammer des Aufnahmerohres ein L-förmiger Verbindungsquerschnitt mit rechtwinklig zueinander angeordneten Verbindungsschenkeln ausgebildet ist, wird eine besonders steif ausgebildete Eckverbindung möglich. If the engagement tube has a pipe cross-section forming the number 8 with abutting surfaces fitting at right angles, such that an L-shaped connecting cross-section with connecting legs arranged at right angles to one another is formed by engagement of the engagement chamber of the engagement pipe in the receiving chamber of the receiving pipe, a corner joint is formed that is particularly stiff possible.
Der erfindungsgemäße Tragrahmen weist die Merkmale des Anspruchs 12 auf. The support frame according to the invention has the features of claim 12.
Der erfindungsgemäß ausgebildete Tragrahmen ist mit Rahmenecken versehen, die aus den erfindungsgemäßen Rohrverbindungen gebildet sind, so dass sich der Tragrahmen durch eine besondere Verbindungsstei- figkeit und hohe Tragfähigkeit auszeichnet. The inventively embodied support frame is provided with frame corners, which formed from the pipe connections according to the invention are so that the support frame is characterized by a special connection stiffness and high load capacity.
Vorzugsweise sind die Rahmenecken mittels quer zur Längserstreckung der Rohrverbindungen angeordneten, als Kartonrohre und vorzugsweise aus gewickeltem und/oder geklebtem mehrlagigen (Recycling-) Papier gebildeten Querstreben miteinander verbunden. Preferably, the frame corners are arranged by means of transversely to the longitudinal extent of the pipe connections arranged as cardboard tubes and preferably formed from wound and / or glued multi-layer (recycled) paper cross members.
Wenn zur Verbindung der Querstreben mit den Rahmenecken die Querstreben mit jeweils einem axialen Anschlussende in ein Eingriffsrohr oder ein Aufnahmerohr eingreifen, kann eine direkte Verbindung erfo l- gen. If, for connecting the transverse struts to the frame corners, the cross struts each engage with an axial connection end in an engagement tube or a receiving tube, a direct connection can be required.
Eine besonders universelle Verwendung der Eingriffsrohre ist möglich, wenn die Querstreben aus Eingriffsrohren gebildet sind. A particularly universal use of the engagement tubes is possible when the cross struts are formed from engaging tubes.
Besonders stabile Seitenteile werden möglich, wenn die Querstreben zur Ausbildung von Seitenteilen des Tragrahmens an ihren Längsrändern miteinander verbunden sind. Particularly stable side parts become possible when the transverse struts are connected together to form side parts of the support frame at their longitudinal edges.
Wenn die Längsränder der durch die Eingriffsrohre gebildeten Querstreben über an den Längsrändern angeordnete Winkelleisten miteinander verbunden sind, kann di Stabilität noch weiter erhöht werden. If the longitudinal edges of the transverse struts formed by the engaging tubes are connected to each other via arranged at the longitudinal edges of angle strips, the stability can be increased even further.
Das erfindungsgemäße Kartonrohr zur Ausbildung des Eingriffsrohrs ist gemäß einer ersten Alternative so ausgebildet, dass zur Ausbildung eines die Ziffer 8 ausbildenden Rohrquerschnitts mit rechtwinklig aneinander ansetzenden Abkantflächen Längsstirnkanten eines Kartonzuschnitts unter Ausbildung eines Mittelstegs der Ziffer-8-Struktur zur Anlage gegen einen Außensteg der Ziffer-8-Struktur gebracht sind, derart, dass mit den Längsstirnkanten versehene Abkantflächen flächig gegeneinander und rechtwinklig zum Außensteg angeordnet sind. According to a first alternative, the cardboard tube according to the invention for forming the engagement tube is designed so that longitudinal edges of a carton blank forming a middle web of the numeral 8 structure for abutment against an outer web of the numeral 8 form a pipe cross-section forming the numeral 8 with right-angled abutting surfaces. 8 structure are brought, such that with the longitudinal end edges provided Abkantflächen are arranged flat against each other and at right angles to the outer web.
Das erfindungsgemäße Kartonrohr weist in einer zweiten Ausführungsform zur Ausbildung eines die Ziffer 8 ausbildenden Rohrquerschnitts mit rechtwinklig aneinander ansetzenden Abkantflächen an Längsrändern eines Kartonzuschnitts ausgebildete Umschlagkanten auf, die unter Ausbildung eines Mittelstegs der Ziffer-8- Struktur zur Anlage gegen einen Außensteg der Ziffer-8-Struktur gebracht sind, derart, dass mit den Umschlagkanten versehene Abkantflächen flächig gegeneinander und rechtwinklig zum Außensteg angeordnet sind. The cardboard tube according to the invention has, in a second embodiment, for the formation of a pipe cross-section forming the number 8 formed with at right angles to each other abutting Abkantflächen on longitudinal edges of a carton blank formed envelope edges, which are brought to form a central web of the digit-8 structure to rest against an outer web of the digit-8 structure, such that provided with the cover edges Abkantflächen areal against each other and at right angles are arranged to the outer web.
Nachfo lgend werden bevorzugte Ausführungsformen der Erfindung anhand der Zeichnungen näher erläutert. Nachfo lying preferred embodiments of the invention are explained in more detail with reference to the drawings.
Es zeigen: Show it:
Fig. 1 : einen Tragrahmen in einer ersten Ausführungsform in isometrischer Darstellung; Fig. 1: a support frame in a first embodiment in isometric view;
Fig. 2 : eine Draufsicht auf eine Rahmenecke des in Fig. 1 dargestellten Tragrahmens in isometrischer Darstellung mit einem Aufnahmerohr und einem Eingriffsrohr; Fig. 2 is a plan view of a frame corner of the support frame shown in Figure 1 in isometric view with a receiving tube and an engaging tube ..;
Fig. 3 : das Aufnahmerohr der in Fig. 2 dargestellten Rahmenecke in Einzeldarstellung; Fig. 3: the receiving tube of the frame corner shown in Figure 2 in an individual view.
Fig. 4 : das Eingriffsrohr der in Fig. 2 dargestellten Rahmenecke in Einzeldarstellung; FIG. 4 shows the engagement tube of the frame corner shown in FIG. 2 in an individual view; FIG.
Fig. 5 : ein gemäß der Darstellung in Fig. 1 am Eingriffsrohr angeordnete Winkelleiste in Einzeldarstellung; FIG. 5: an angle strip arranged on the engagement tube according to the illustration in FIG. 1, in a detail view; FIG.
Fig. 6 : einen Tragrahmen gemäß einer zweiten Ausführungsform in isometrischer Darstellung; 6 shows a support frame according to a second embodiment in an isometric view;
Fig. 7: den in Fig. 6 dargestellten Tragrahmen unmittelbar vor dem Fügen einer Rahmenecke; FIG. 7 shows the support frame shown in FIG. 6 immediately before joining a frame corner; FIG.
Fig. 8 : eine Draufsicht auf eine Rahmenecke gemäß Ansicht VIII in Fig. 6; Fig. 9 : eine Schnittdarstellung einer Rahmenecke gemäß Schnittlinienverlauf IX-IX in Fig. 6; 8 shows a plan view of a frame corner according to view VIII in FIG. 6; FIG. 9 is a sectional view of a frame corner according to section line IX-IX in FIG. 6; FIG.
Fig. 10 : ein Eingriffsrohr in isometrischer Darstellung; 10 shows an engagement tube in an isometric view;
Fig. 11 : ein aus Eingriffsrohren zusammengesetztes Seitenteil des in Fig. 6 dargestellten Tragrahmens; FIG. 11: a side part composed of engaging tubes of the supporting frame shown in FIG. 6; FIG.
Fig. 12 : ein aus Eingriffsrohren und Aufnahmerohren zusammengesetztes Seitenteil des in Fig. 6 dargestellten Tragrahmens; FIG. 12: a side part composed of engaging tubes and receiving tubes of the supporting frame illustrated in FIG. 6; FIG.
Fig. 13 : ein aus Eingriffsrohren zusammengesetztes S eitenteil in einer weiteren Ausführungsform; FIG. 13: a sectional part composed of engaging tubes in a further embodiment; FIG.
Fig. 14 : ein aus Eingriffsrohren zusammengesetztes Seitenteil in einer weiteren Ausführungsform; FIG. 14 shows a side part composed of engaging tubes in a further embodiment; FIG.
Fig. 15 : ein Eingriffsrohr in einer weiteren Ausführungsform. Fig. 15: an engagement tube in a further embodiment.
Fig. 1 zeigt einen Tragrahmen 10 , der aus Rahmenecken 1 1 und Querstreben 12 zusammengesetzt ist und beispielsweise als Rahmenstruktur für einen Transportbehälter verwendbar ist, wobei vorzugsweise in dem vorgenannten Fall der in Fig. 1 dargestellte Tragrahmen 10 mit einer Palettenbasis versehen ist, auf der der Tragrahmen 10 angeordnet und mit einem gegenüberliegend der Palettenbasis angeordneten Rahmendeckel versehen werden kann. Die Palettenbasis und der Rahmendeckel können miteinander verspannt werden, wobei in diesem Fall der Tragrahmen entsprechende Zug- bzw. Zurrkräfte aufnimmt. Fig. 1 shows a support frame 10 which is composed of frame corners 1 1 and cross struts 12 and is used for example as a frame structure for a transport container, preferably in the aforementioned case, the support frame 10 shown in FIG. 1 is provided with a pallet base on the the support frame 10 can be arranged and provided with an opposite of the pallet base arranged frame cover. The pallet base and the frame cover can be clamped together, in which case the support frame receives corresponding tensile or lashing forces.
Fig. 2 zeigt eine Rahmenecke 1 1 in einer Darstellung, in der ein durch einen Rohrquerschnitt 13 eines Eingriffsrohres 14 und einen Rohrquerschnitt 15 eines Aufnahmerohres 16 gebildeter Verbindungsquerschnitt 17 einer die Rahmenecke 1 1 ausbildenden Rohrverbindung 1 8 dargestellt ist. Fig. 2 shows a frame corner 1 1 in a representation in which a formed by a pipe cross-section 13 of an engaging tube 14 and a tube cross-section 15 of a receiving tube 16 connecting cross-section 17 of a frame corner 1 1 forming pipe connection 1 8 is shown.
Fig. 3 zeigt das Aufnahmerohr 16 in einer Einzeldarstellung mit dem Rohrquerschnitt 15 , der eine Ziffer-6-Struktur dadurch ausbildet, dass eine Vielzahl von rechtwinklig zueinander angeordneten und zusammenhängend ausgebildeten Abkantflächen so in ihrer Relativposition angeordnet sind, dass bei einer Betrachtung des Rohrquerschnitts 15 in Richtung des Pfeiles III der Rohrquerschnitt 15 analog zu der Ziffer 6 ausgebildet ist. Der Rohrquerschnitt 15 weist im dargestellten Ausfüh- rungsbeispiel fünf rechtwinklig aneinander anschließende Abkantflächen 19, 20, 2 1 , 22 und 23 auf, wobei die Abkantfläche 23 , welche einen Mittelsteg der Ziffer-6-Struktur ausbildet, über einen rechtwinklig von dieser abgekanteten Verbindungssteg 24 mit der Abkantfläche 20 verbunden ist, welche einen Außensteg der Ziffer-6-Struktur ausbildet. Ferner ist zu erkennen, dass durch die Ziffer-6-Struktur zwei rechteck- förmige Rohrkammern, nämlich die als geschlossenes Profil ausgebildete Rohrkammer 25 und die als offenes Profil ausgebildete Eingriffsrohrkammer 26, ausgebildet sind. Die Eingriffsrohrkammer 26 bildet eine Aufnahmenut aus, wobei die eine Nutflanke bildende Abkantfläche 1 9 an ihrem Stirnende mit einer Falzkante zur Ausbildung eines Raststegs 27 versehen ist. 3 shows the receiving tube 16 in a detail view with the tube cross section 15, which forms a number 6 structure in that a multiplicity of abutment surfaces arranged at right angles to one another and arranged contiguously are arranged in their relative position such that, when viewing the tube cross section 15 is formed in the direction of arrow III of the pipe cross-section 15 analogous to the number 6. In the illustrated embodiment, the tube cross-section 15 has five abutting surfaces 19, 20, 21, 23 and 23 adjoining each other at right angles, wherein the bending surface 23, which forms a central web of the numeral 6 structure, has a connecting web 24 bent at right angles thereto is connected to the Abkantfläche 20, which forms an outer web of the numeral 6 structure. Furthermore, it can be seen that two rectangular tube chambers, namely the tubular chamber 25 in the form of a closed profile and the engagement tube chamber 26 in the form of an open profile, are formed by the number 6 structure. The engagement tube chamber 26 forms a receiving groove, wherein a groove edge forming Abkantfläche 1 9 is provided at its front end with a folded edge to form a locking web 27.
Wie die Fig. 2 zeigt, ist der Rohrquerschnitt 13 des Eingriffsrohrs 14 als eine Ziffer-8-Struktur ausgebildet mit zwei als geschlossene Rechteckprofile aneinander angrenzenden Rohrkammern 28 und 29 , wobei die Rohrkammer 29 eine Eingriffsrohrkammer ausbildet, die in die Aufnahmerohrkammer 26 des Aufnahmerohrs 16 seitlich eingreift, so dass der Rohrquerschnitt 13 des Eingriffsrohres 14 in Kombination mit dem Rohrquerschnitt 15 des Aufnahmerohrs 16 den Verbindungsquerschnitt 17 ausbildet. Wie Fig. 4 zeigt, ist die Ziffer-8-Struktur des Rohrquerschnitts 13 des Eingriffsrohrs 14 aus einer Vielzahl von rechtwinklig aneinander ansetzenden Abkantflächen 30 bis 36 gebildet, die die beiden Rohrkammern 28 , 29 ausbilden, wobei Längsstirnkanten 30, 3 1 der flächig gegeneinan- der anliegenden und parallel zueinander angeordneten Abkantflächen 33 , 36 zur Anlage gegen einen durch die rechtwinklig zu den Abkantflächen 33 , 36 angeordnete Abkantfläche 30 gebildeten Außensteg angeordnet sind und gegen diesen anliegen. Zur Fixierung der in Fig. 4 dargestellten Ziffer-8-Struktur des Rohrquerschnitts 1 3 sind die flächig gegeneinander anliegenden Abkantflächen 33 , 36 miteinander verklebt, und die Längsstirnkanten 37, 38 der Abkantflächen 33 , 36 sind mit der den Außensteg der Ziffer-8-Struktur bildenden Abkantfläche 30 verklebt. As shown in FIG. 2, the tube cross-section 13 of the engagement tube 14 is formed as a numeral 8 structure with two tubular chambers 28 and 29 adjoining each other as closed rectangular profiles, whereby the tube chamber 29 forms an engagement tube chamber which is inserted into the receiving tube chamber 26 of the receiving tube 16 laterally engages, so that the tube cross section 13 of the engagement tube 14 in combination with the tube cross section 15 of the receiving tube 16 forms the connecting cross section 17. As shown in Fig. 4, the numeral 8 structure of the tube cross section 13 of the engagement tube 14 is formed of a plurality of perpendicular abutting abutment surfaces 30 to 36, which form the two tube chambers 28, 29, wherein longitudinal end edges 30, 3 1 of the surface against each other - The adjacent and mutually parallel Abkantenflächen 33, 36 are arranged to bear against a formed by the right angles to the Abkantflächen 33, 36 Abkantfläche 30 outer web and bear against it. For fixation of the illustrated in Fig. 4 digit 8 structure of the pipe section 1 3, the abutting against each abutting abutment surfaces 33, 36 are glued together, and the longitudinal end edges 37, 38 of the Abkantflächen 33, 36 are connected to the outer web of the numeral 8- Glued structure forming Abkantfläche 30.
Wie Fig. 2 zeigt, ist das Eingriffsrohr 14 bzw. die Eingriffs-Rohrkammer des Eingriffsrohrs 14 mit einem Riegelsteg 39 versehen, der im vorlie- genden Fall aus einer auf eine Profilkante der Eingriffsrohrkammer angeordneten Winkelleiste 40 gebildet ist. As shown in FIG. 2, the engagement tube 14 or the engagement tube chamber of the engagement tube 14 is provided with a locking bar 39, which in the present case is formed from an angle bar 40 arranged on a profile edge of the engagement tube chamber.
Die in Fig. 5 als Einzelteil dargestellte Winkelleiste ist ebenso wie das Eingriffsrohr 14 und das Aufnahmerohr 1 6 durch eine Relativanordnung von rechtwinklig zueinander angeordneten Abkantflächen gebildet. Wie aufgrund der Darstellung in Fig. 2 deutlich wird, ist es möglich, die dargestellte Rahmenecke 13 durch ein Einfügen des Eingriffsrohrs 14 in die Aufnahmerohrkammer 26 des Aufnahmerohrs 1 6 dadurch herzustellen, dass das Eingriffsrohr 14 in Längsrichtung des Aufnahmerohrs 16 in dieses so eingesetzt wird, dass dabei der aus der Winkelleiste 33 des Eingriffsrohrs 14 gebildete Riegelsteg 32 den Raststeg 27 des Aufnahmerohrs 16 hintergreift. Ein Lösen der Rohrverbindung in einer Richtung quer zur Längsrichtung des Aufnahmerohrs 16 ist hingegen nicht möglich. The illustrated in Fig. 5 as a single part angle bar is like the engaging tube 14 and the receiving tube 1 6 formed by a relative arrangement of mutually perpendicular Abkantflächen. As is clear from the illustration in Fig. 2, it is possible to produce the illustrated frame corner 13 by inserting the engaging tube 14 into the receiving tube 26 of the receiving tube 1 6, characterized in that the engagement tube 14 is inserted in the longitudinal direction of the receiving tube 16 in this in that the latching web 32 formed from the angle strip 33 of the engagement tube 14 engages behind the latching web 27 of the receiving tube 16. A release of the pipe joint in a direction transverse to the longitudinal direction of the receiving tube 16, however, is not possible.
Wie aufgrund der Darstellung in Fig. 4 besonders leicht nachvollziehbar wird, ist eine Herstellung des Eingriffsrohres 14 beispielsweise dadurch möglich, dass ein mit einem geschlossenen Rechteckquerschnitt versehenes Vierkant- oder Rechteckrohr längs geteilt wird und die dadurch entstehenden Schenkel eines U-förmig ausgebildeten Halbrohres zur Ausbildung der in Fig. 4 dargestellten Ziffer-8-Struktur jeweils zweimal unter Ausbildung der rechtwinklig zueinander angeordneten Abkantflächen 32, 33 und 35 , 36 um eine beispielsweise durch Perforation definierte Kante 36, 37 abgekantet werden. As is particularly easy to understand due to the illustration in Fig. 4, a manufacture of the engaging tube 14, for example by possible that a provided with a closed rectangular cross-section square or rectangular tube is divided longitudinally and the resulting legs of a U-shaped half pipe to form the figure 8 structure shown in Fig. 4 each twice to form the right angles to each other arranged Abkantflächen 32nd , 33 and 35, 36 are bent over an example defined by perforation edge 36, 37.
Fig. 6 zeigt in einer weiteren Ausführungsform einen Tragrahmen 40, der im Falle des vorliegenden Ausführungsbeispiels zwei S eitenteile 4 1 und zwei Seitenteile 42 aufweist, die in Rahmenecken 43 über Rohrverbindungen 44 miteinander verbunden sind. Fig. 6 shows in a further embodiment, a support frame 40 which in the case of the present embodiment, two S eitenteile 4 1 and two side parts 42 which are connected in frame corners 43 via pipe connections 44.
Wie Fig. 7 zeigt, können die Rahmenecken 43 zur Ausbildung des As shown in FIG. 7, the frame corners 43 for forming the
Tragrahmens 44 derart gefügt werden, dass die Seitenteile 42 mit an ihren Enden angeordnete U-Profilleisten 5 1 in an den Enden der Seiten- teile 41 ausgebildete Aufnahmenuten 46 vertikal eingeschoben werden. Support frame 44 are joined such that the side parts 42 are vertically inserted with arranged at their ends U-profile strips 5 1 in formed at the ends of the side parts 41 receiving grooves 46.
Fig. 8 zeigt eine Rahmenecke 43 in Draufsicht mit einem Aufnahmerohr 47, in das axiale Enden 57 (siehe auch Fig. 10) eines Eingriffsrohrs 48 eingeführt sind. 8 shows a frame corner 43 in plan view with a receiving tube 47 into which axial ends 57 (see also FIG. 10) of an engagement tube 48 are inserted.
Das Aufnahmerohr 47 weist eine grundsätzlich mit dem in Fig. 3 darge- stellten Aufnahmerohr 16 übereinstimmende Struktur auf, mit einer geschlossenen Rohrkammer 49 und einer zur Ausbildung der Aufnahmenut 46 offenen Rohrkammer 50, in die eine U-Profilleiste 45 eingesetzt ist, mit Profilschenkeln 52, 53 , die auf Innenseiten j eweils mit einem Raststeg 54, 55 versehen sind, welcher jeweils durch eine an Längsrän- dern der Profilschenkel ausgebildete Umschlagkanten ausgebildet sind, also Abkantflächen 56, die gegen die Innenseiten der Profilschenkel 52, 53 zurückgefaltet sind. The receiving tube 47 has a structure basically identical to the receiving tube 16 shown in FIG. 3, with a closed tube chamber 49 and a tube chamber 50 open to form the receiving groove 46 into which a U-profile strip 45 is inserted, with profile legs 52 , 53, which are in each case provided on inner sides with a latching web 54, 55, which are each formed by an envelope edges formed on longitudinal edges of the profile legs, ie folding surfaces 56 which are folded back against the inner sides of the profile legs 52, 53.
Wie Fig. 8 weiter zeigt und beispielsweise auch unter Bezugnahme auf die Fig. 11 nachvo llziehbar ist, weist das Seitenteil 42 Eingriffsrohre 48 auf, die an ihren axialen Enden 57 beziehungsweise an ihren Längsrändern 58 mit den U-Profilleisten 5 1 versehen sind. Wie Fig. 8 zeigt, bildet die U-Profilleiste 5 1 Riegelstege 59 , 50 aus, die die Raststege 54, 55 in der Aufnahmenut 46 hintergreifen, so dass ein Lösen der Verbindung in Längsrichtung des in Fig. 8 dargestellten Eingriffsrohres 48 nicht möglich ist. As FIG. 8 further shows and, for example, with reference to FIG. 11, it is also possible to retract it, the side part 42 has engagement tubes 48 on, which are provided at their axial ends 57 and at their longitudinal edges 58 with the U-profile strips 5 1. As shown in FIG. 8, the U-profile strip forms 5 1 bar webs 59, 50, which engage behind the locking webs 54, 55 in the receiving groove 46, so that a release of the connection in the longitudinal direction of the engaging tube 48 shown in Fig. 8 is not possible ,
Fig. 9 zeigt die Rohrverbindung 44 im Bereich eines im S eitenteil 42 parallel zur U-Profilleiste 5 1 ausgerichteten Eingriffsrohres 48 , wobei abgesehen davon, dass hier die U-Profilleiste 5 1 am Längsrand des Eingriffsrohrs 48 ausgebildet ist, die Eingriffbedingungen als solche identisch sind mit den Eingriffsbedingungen, die in Fig. 8 dargestellt sind. Fig. 9 shows the pipe joint 44 in the region of a side member 42 parallel to the U-profile strip 5 1 aligned engagement tube 48, wherein apart from the fact that here the U-profile strip 5 1 is formed at the longitudinal edge of the engagement tube 48, the engagement conditions as such identical are with the engagement conditions shown in Fig. 8.
Fig. 10 zeigt das Eingriffsrohr 48 in isometrischer Darstellung, wobei deutlich wird, dass im Vergleich zu dem in Fig. 4 dargestellten Ein- griffsrohr 14 zwar übereinstimmend das Eingriffsrohr 48 als eine Ziffer- 8-Struktur ausgebildet ist. Fig. 9 zeigt jedoch zusätzlich zu den parallel zueinander angeordneten Abkantflächen 33 , 36, die zur Ausbildung eines die Rohrkammern 28 , 29 trennenden Mittelstegs 61 dienen, Umschlagkanten 62, 63 , die dadurch ausgebildet sind, dass ergänzend zu den Abkantflächen 33 , 36 zusätzliche Abkantflächen 64, 65 vorgesehen sind, die gegen die Abkantflächen 33 , 36 umgeschlagen sind. Derartig ausgebildete Umschlagkanten 62, 63 können beispielsweise dadurch hergestellt werden, dass der Kartonzuschnitt an der zur Ausbildung der Umschlagkanten 62, 63 vorgesehenen Stelle einseitig eingeritzt wird. Das in Fig. 11 dargestellte Seitenteil 42 ist im Falle des vorliegenden Ausführungsbeispiels aus drei parallel zueinander angeordneten Eingriffsrohren 48 hergestellt, die Querstreben 67 ausbilden und durch ebenfalls parallel zueinander angeordnete und senkrecht zu den ersten Eingriffsrohren 48 orientierte Abstandsstücke 66 beabstandet sind. Die Abstandsstücke 66 sind ebenfalls aus Eingriffsrohren 48 gebildet. Das in Fig. 12 beispielhaft dargestellte Seitenteil 41 weist, wie das Seitenteil 42, aus Eingriffsrohren 48 gebildete Querstreben 67 auf, wobei eine Verbindung zwischen den axialen Enden 57 der Eingriffsrohre 48 und der geschlo ssenen Rohrkammer 49 des Aufnahmerohrs 47 durch Einführung der axialen Enden 57 in seitliche Einführöffnungen 68 der Aufnahmerohre 47 erfolgt. Dabei liegen im vorliegenden Fall axiale Enden der an den Längsrändern der Eingriffsrohre 48 angeordneten U- Profilleisten 5 1 an den Aufnahmerohren 47 an. FIG. 10 shows the engagement tube 48 in an isometric view, wherein it is clear that, in comparison to the engagement tube 14 shown in FIG. 4, the engagement tube 48 is designed in a matching manner as a number 8 structure. Fig. 9, however, in addition to the mutually parallel Abkantflächen 33, 36, which serve to form a pipe chambers 28, 29 separating the middle web 61, cover edges 62, 63, which are formed by the fact that in addition to the Abkantflächen 33, 36 additional Abkantflächen 64, 65 are provided, which are folded against the Abkantflächen 33, 36. Such formed envelope edges 62, 63 can be produced, for example, characterized in that the carton blank is notched on one side at the intended for forming the cover edges 62, 63 point. The side member 42 shown in Fig. 11 is made in the case of the present embodiment of three mutually parallel engaging tubes 48, the transverse struts 67 and spaced by also mutually parallel and perpendicular to the first engaging tubes 48 oriented spacers 66 are spaced. The spacers 66 are also formed from engaging tubes 48. The side member 41 shown by way of example in FIG. 12 has, like the side part 42, formed of engaging tubes 48 cross struts 67, wherein a connection between the axial ends 57 of the engaging tubes 48 and the closed tube chamber 49 of the receiving tube 47 by insertion of the axial ends 57th in lateral insertion openings 68 of the receiving tubes 47 takes place. In the present case, axial ends of the U-profile strips 5 1 arranged on the longitudinal edges of the engagement tubes 48 rest on the receiving tubes 47.
Fig. 13 zeigt in einer Variante ein weiteres S eitenteil 70, das aus einer Vielzahl parallel zueinander ausgebildeter Eingriffsrohre 48 gebildet ist, die an ihren Längsrändern über Klebung miteinander verbunden sind. Weiterhin sind die Eingriffsrohre 48 an ihren axialen Enden 57 j eweils über eine U-Profilleiste 5 1 miteinander verbunden. Fig. 13 shows in a variant of a further S eitenteil 70, which is formed of a plurality of parallel trained engagement tubes 48, which are connected at their longitudinal edges by gluing together. Furthermore, the engagement tubes 48 are each connected at their axial ends 57 j each other via a U-profile strip 5 1.
Fig. 14 zeigt ein Seitenteil 71 , das ebenfalls aus Eingriffsrohren 48 zusammengesetzt ist, wobei die Eingriffsrohre 48 im vorliegenden Fall an beiden Längsrändern 58 , 59 j eweils mit einer U-Profilleiste 5 1 versehen sind und die Verbindung der Eingriffsrohre 48 miteinander über eine Verklebung der an den Längsrändern 58 , 59 angeordneten U-Profilleisten 5 1 erfolgt. Fig. 15 zeigt eine Ausführungsform eines Eingriffsrohres 72, das aus einer Mehrzahl sich parallel zueinander erstreckender und über Verklebung miteinander verbundener Wellpappe- Streifen 73 aufgebaut ist, wobei die Wellpappe-Streifen 73 so angeordnet sind, dass in den Wellpappe-Streifen 73 ausgebildete Röhren parallel zueinander verlaufen und somit ein unidirektionales Röhrenbündel ausbilden. An den Längsrändern ist das Eingriffsrohr 72 mit U-Profilleisten 5 1 versehen, die für einen sicheren Verbund der Wellpappe-Streifen 73 sorgen. Fig. 14 shows a side part 71, which is also composed of engaging tubes 48, wherein the engaging tubes 48 in the present case at both longitudinal edges 58, 59 in each case with a U-profile strip 5 1 are provided and the connection of the engaging tubes 48 with each other via a bond the arranged on the longitudinal edges 58, 59 U-profile strips 5 1 takes place. Fig. 15 shows an embodiment of an engaging tube 72 which is composed of a plurality of corrugated strips 73 extending parallel to each other and adhesively bonded together, the corrugated strips 73 being arranged so that tubes formed in the corrugated strips 73 are parallel to each other and thus form a unidirectional tube bundle. At the longitudinal edges of the engagement tube 72 is provided with U-profile strips 5 1, which ensure a secure bond of the corrugated strip 73.

Claims

Patentansprüche Patent claims
Rohrverbindung umfassend ein Aufnahmerohr und ein Eingriffsrohr, die als Kartonrohre ausgebildet sind, welche vorzugsweise aus gewickeltem und/oder geklebtem mehrlagigen (Recycling-) Papier gebildet sind, wobei das Aufnahmerohr und das Eingriffsrohr j eweils einen aus zusammenhängend ausgebildeten Abkantflächen gebildeten Rohrquerschnitt aufweisen, derart, dass die Rohrquerschnitte jeweils zumindest zwei benachbarte rechteckförmige Rohrkammern ausbilden und das Aufnahmerohr zur Ausbildung einer Aufnahmenut eine zu einer Verbindungsseite des Kartonrohrs offene Aufnahme- Rohrkammer aufweist, in die das Eingriffsrohr zur Herstellung einer Verbindung mit dem Aufnahmerohr mit einer Eingriffsrohrkammer oder einem axialen Endabschnitt eingreift. Pipe connection comprising a receiving tube and an engagement tube, which are designed as cardboard tubes, which are preferably formed from wound and / or glued multi-layer (recycled) paper, the receiving tube and the engagement tube each having a tube cross section formed from coherent folded surfaces, such that that the tube cross sections each form at least two adjacent rectangular tube chambers and the receiving tube has a receiving tube chamber open to a connecting side of the cardboard tube to form a receiving groove, into which the engagement tube engages to establish a connection with the receiving tube with an engagement tube chamber or an axial end section.
Rohrverbindung nach Anspruch 1, Pipe connection according to claim 1,
dadurch g e k e nn z e i c hn e t, characterized,
dass zur Sicherung der Rohrverbindung eine Abkantfläche des Aufnahmerohres, die eine Nutflanke der Aufnahmenut ausbildet, auf ihrer Innenseite mit einem Raststeg versehen ist, der von einem auf einer Außenseite der Rohrkammer des Eingriffsrohres angeordneten Riegelsteg hintergriffen wird. that in order to secure the pipe connection, a folding surface of the receiving pipe, which forms a groove flank of the receiving groove, is provided on its inside with a locking web, which is engaged behind by a locking web arranged on an outside of the pipe chamber of the engagement pipe.
Rohrverbindung nach Anspruch 2, Pipe connection according to claim 2,
dadurch g e k e nn z e i c hn e t, characterized,
dass der Raststeg aus einer Umschlagkante der die Nutflanke ausbildenden Abkantfläche des Aufnahmerohrs gebildet ist. that the locking web is formed from a folding edge of the folding surface of the receiving tube that forms the groove flank.
Rohrverbindung nach Anspruch 1, Pipe connection according to claim 1,
dadurch g e k e nn z e i c hn e t, characterized,
dass zur Sicherung der Rohrverbindung die Aufnahmenut durch eine in die Aufnahmekammer eingesetzte U-Profilleiste ausgebildet ist, die auf Innenseiten von Profilschenkeln mit jeweils einem Raststeg versehen ist. that to secure the pipe connection, the receiving groove is formed by a U-profile strip inserted into the receiving chamber, which is provided with a locking web on the inside of each profile leg.
Rohrverbindung nach Anspruch 4, Pipe connection according to claim 4,
dadurch g e k e nn z e i c hn e t, characterized,
dass die Raststege durch an Längsrändern der Profilschenkel bildete Umschlagkanten ausgebildet sind. that the locking webs are formed by folding edges formed on the longitudinal edges of the profile legs.
6. Rohrverbindung nach Anspruch 2 oder 3, 6. Pipe connection according to claim 2 or 3,
dadurch g e k e nn z e i c hn e t, characterized,
dass der Riegelsteg aus einer auf einer Kante der Eingriffsrohrkam- mer angeordneten Winkelleiste gebildet ist. that the locking web is formed from an angle strip arranged on an edge of the engagement tube chamber.
7. Rohrverbindung nach Anspruch 6, 7. Pipe connection according to claim 6,
dadurch g e k e nn z e i c hn e t, characterized,
dass die Winkelleiste als U-Profilleiste ausgebildet ist. that the angle strip is designed as a U-profile strip.
8. Rohrverbindung nach Anspruch 7, 8. Pipe connection according to claim 7,
dadurch g e k e nn z e i c hn e t, characterized,
dass sich die Winkelleiste senkrecht zur Längsachse des Eingriffsrohres erstreckt und einen axialen Endquerschnit des Eingriffsrohres abschließt. that the angle strip extends perpendicular to the longitudinal axis of the engagement tube and completes an axial end cross section of the engagement tube.
Rohrverbindung nach Anspruch 7, Pipe connection according to claim 7,
dadurch g e k e nn z e i c hn e t, characterized,
dass sich die Winkelleiste parallel zur Längsachse des Eingriffsrohres erstreckt und an der Eingriffsrohrkammer angeordnet ist. that the angle strip extends parallel to the longitudinal axis of the engagement tube and is arranged on the engagement tube chamber.
Rohrverbindung nach einem der vorangehenden Ansprüche, dadurch g e k e nn z e i c hn e t, Pipe connection according to one of the preceding claims, characterized in that
dass das Aufnahmerohr einen die Ziffer 6 ausbildenden Rohrquerschnitt mit rechtwinklig aneinander ansetzenden Abkantflächen aufweist, derart, dass die Aufnahmekammer eine seitliche Eingriffsöffnung für das Eingriffsrohr aufweist. that the receiving tube has a pipe cross section forming the number 6 with folded surfaces that are placed at right angles to one another, such that the receiving chamber has a lateral engagement opening for the engagement tube.
11. Rohrverbindung nach Anspruch 5, 11. Pipe connection according to claim 5,
dadurch g e k e nn z e i c hn e t, characterized,
dass das Eingriffsrohr einen die Ziffer 8 ausbildenden Rohrquerschnitt mit rechtwinklig aneinander ansetzenden Abkantflächen aufweist, derart, dass durch den Eingriff der Eingriffskammer des Eingriffsrohres in die Aufnahmekammer des Aufnahmerohres ein L- förmiger Verbindungsquerschnitt mit rechtwinklig zueinander angeordneten Verbindungsschenkeln ausgebildet ist. that the engagement tube has a pipe cross section forming the number 8 with folding surfaces that are placed at right angles to one another, such that an L-shaped connection cross section with connecting legs arranged at right angles to one another is formed by the engagement of the engagement chamber of the engagement tube in the receiving chamber of the receiving tube.
12. Tragrahmen, insbesondere zur Ausbildung eines vorzugsweise mit einer Palettenbasis versehenen Transportbehälters, wobei der Tragrahmen Rahmenecken aufweist, die aus Rohrverbindungen nach einem oder mehreren der Ansprüche 1 bis 6 ausgebildet sind. 12. Support frame, in particular for forming a transport container preferably provided with a pallet base, the support frame having frame corners which are formed from pipe connections according to one or more of claims 1 to 6.
13. Tragrahmen nach Anspruch 7, 13. Support frame according to claim 7,
dadurch g e k e nn z e i c hn e t, characterized,
dass die Rahmenecken mittels quer zur Längserstreckung der Rohrverbindungen angeordneten, als Kartonrohre und vorzugsweise aus gewickeltem und/oder geklebtem mehrlagigen (Recycling-) Papier gebildeten Querstreben miteinander verbunden sind. that the frame corners are connected to one another by means of cross struts arranged transversely to the longitudinal extent of the pipe connections and formed as cardboard tubes and preferably made of wound and / or glued multi-layer (recycled) paper.
14. Tragrahmen nach Anspruch 8, 14. Support frame according to claim 8,
dadurch g e k e nn z e i c hn e t, characterized,
dass zur Verbindung der Querstreben mit den Rahmenecken die Querstreben mit jeweils einem axialen Anschlussende in ein Eingriffsrohr oder ein Aufnahmerohr eingreifen. that to connect the cross struts to the frame corners, the cross struts each engage with an axial connecting end in an engagement tube or a receiving tube.
15. Tragrahmen nach Anspruch 13 oder 14, 15. Support frame according to claim 13 or 14,
dadurch g e k e nn z e i c hn e t, characterized,
dass die Querstreben aus Eingriffsrohren gebildet sind. that the cross struts are formed from engagement tubes.
16. Tragrahmen nach Anspruch 15, 16. Support frame according to claim 15,
dadurch g e k e nn z e i c hn e t, characterized,
dass die Querstreben zur Ausbildung von Seitenteilen des Tragrahmens an ihren Längsrändern miteinander verbunden sind. that the cross struts are connected to one another at their longitudinal edges to form side parts of the support frame.
17. Tragrahmen nach Anspruch 16, 17. Support frame according to claim 16,
dadurch g e k e n n z e i c h n e t, characterized,
dass die Längsränder der durch die Eingriffsrohre gebildeten Querstreben über an den Längsrändern angeordnete Winkelleisten mitein- ander verbunden sind. that the longitudinal edges of the cross struts formed by the engagement tubes are connected to one another via angle strips arranged on the longitudinal edges.
. Kartonrohr, insbesondere zur Ausbildung eines Eingriffsrohrs für eine Rohrverbindung nach einem oder mehreren der Ansprüche 1 bis 17, wobei zur Ausbildung eines die Ziffer 8 ausbildenden Rohrquerschnitts mit rechtwinklig aneinander ansetzenden Abkantflächen Längsstirnkanten eines Kartonzuschnitts unter Ausbildung eines Mittelstegs der Ziffer-8-Struktur zur Anlage gegen einen Außensteg der Ziffer-8-Struktur gebracht sind, derart, dass mit den Längsstirnkanten versehene Abkantflächen flächig gegeneinander und rechtwinklig zum Außensteg angeordnet sind. 19. Kartonrohr, insbesondere zur Ausbildung eines Eingriffsrohrs für eine Rohrverbindung nach einem oder mehreren der Ansprüche 1 bis 17, wobei zur Ausbildung eines die Ziffer 8 ausbildenden Rohrquerschnitts mit rechtwinklig aneinander ansetzenden Abkantflächen an Längsrändern eines Kartomzuschnitts ausgebildete Umschlagkanten unter Ausbildung eines Mittelstegs der Ziffer-8-Struktur zur Anlage gegen einen Außensteg der Ziffer-8-Struktur gebracht sind, derart, dass mit den Umschlagkanten versehenen Abkantflächen flächig gegeneinander und rechtwinklig zum Außensteg angeordnet sind. . Cardboard tube, in particular for forming an engagement tube for a pipe connection according to one or more of claims 1 to 17, wherein to form a tube cross section forming the number 8 with folding surfaces that are placed at right angles to one another, longitudinal front edges of a cardboard blank are used to form a central web of the number 8 structure to rest against an outer web of the number 8 structure are brought, such that folding surfaces provided with the longitudinal front edges are arranged flat against each other and at right angles to the outer web. 19. Cardboard tube, in particular for forming an engagement tube for a pipe connection according to one or more of claims 1 to 17, wherein to form a tube cross section forming the number 8 with folding surfaces that are placed at right angles to one another on the longitudinal edges of a cartom blank, fold-over edges are formed to form a central web of the number 8 -Structure is brought to rest against an outer web of the number 8 structure, in such a way that the folding surfaces provided with the folding edges are arranged flat against each other and at right angles to the outer web.
EP14713772.3A 2013-03-04 2014-03-04 Tube connection and support frame having a tube connection Active EP2964538B1 (en)

Priority Applications (4)

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SI201430324T SI2964538T1 (en) 2013-03-04 2014-03-04 Tube connection and support frame having a tube connection
RS20170766A RS56356B1 (en) 2013-03-04 2014-03-04 Tube connection and support frame having a tube connection
PL14713772T PL2964538T3 (en) 2013-03-04 2014-03-04 Tube connection and support frame having a tube connection
HRP20171160TT HRP20171160T1 (en) 2013-03-04 2017-07-28 Tube connection and support frame having a tube connection

Applications Claiming Priority (2)

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DE102013203649 2013-03-04
PCT/EP2014/054145 WO2014135520A1 (en) 2013-03-04 2014-03-04 Tube connection, support frame having a tube connection, and cardboard tube for forming an insertion tube for a tube connection

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EP2964538A1 true EP2964538A1 (en) 2016-01-13
EP2964538B1 EP2964538B1 (en) 2017-05-03

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EP (1) EP2964538B1 (en)
ES (1) ES2637639T3 (en)
HR (1) HRP20171160T1 (en)
PL (1) PL2964538T3 (en)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018060362A1 (en) * 2016-09-28 2018-04-05 Horst Schader Profiled tube for producing a transport pallet, and profiled connection comprising such a profiled tube and transport pallet
DE102018103297B4 (en) 2018-02-14 2019-09-26 Brodes GmbH section tube
DE102018118365B3 (en) 2018-07-30 2019-12-05 Hiller Technologie Gmbh Plug connection element and transport box with plug connection elements

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Publication number Priority date Publication date Assignee Title
US3000603A (en) * 1959-09-21 1961-09-19 Alton Box Board Co Paperboard pallet spacers and the like
US4867074A (en) * 1989-03-10 1989-09-19 Corpal Systems, Inc. Corrugated construction pallet
US6973882B2 (en) * 2003-12-04 2005-12-13 Sonoco Development, Inc. Single use disposable pallet
EP2123192B1 (en) * 2008-05-22 2010-10-06 Easypal AG Tube system and elements created therefrom
DE102010012221A1 (en) 2010-03-19 2011-09-22 Horst Schader Pet crate

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HRP20171160T1 (en) 2017-11-03
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SI2964538T1 (en) 2017-11-30
EP2964538B1 (en) 2017-05-03
RS56356B1 (en) 2017-12-29

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