EP0601494B1 - Paroi d'extrémité en matériau moulé par injection pour rouleau de film - Google Patents

Paroi d'extrémité en matériau moulé par injection pour rouleau de film Download PDF

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Publication number
EP0601494B1
EP0601494B1 EP93119507A EP93119507A EP0601494B1 EP 0601494 B1 EP0601494 B1 EP 0601494B1 EP 93119507 A EP93119507 A EP 93119507A EP 93119507 A EP93119507 A EP 93119507A EP 0601494 B1 EP0601494 B1 EP 0601494B1
Authority
EP
European Patent Office
Prior art keywords
end wall
plate
stacking
attachment
annular
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.)
Expired - Lifetime
Application number
EP93119507A
Other languages
German (de)
English (en)
Other versions
EP0601494A1 (fr
Inventor
Heinz Kremp
Nobert Dipl.-Ing. Born
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.)
Treofan Germany GmbH and Co KG
Original Assignee
Hoechst AG
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
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Application filed by Hoechst AG filed Critical Hoechst AG
Publication of EP0601494A1 publication Critical patent/EP0601494A1/fr
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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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/66—Containers, packaging elements or packages, specially adapted for particular articles or materials for jumbo rolls; for rolls of floor covering
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0201—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together side-by-side
    • B65D21/0202—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together side-by-side and loosely interengaged by integral complementary shapes
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/67—Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material
    • B65D85/671—Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material wound in flat spiral form
    • B65D85/672—Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material wound in flat spiral form on cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/325—Orientation of handled material of roll of material
    • B65H2301/3251—Orientation of handled material of roll of material vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/512—Cores or reels characterised by the material moulded
    • B65H2701/5122—Plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/513—Cores or reels characterised by the material assembled mainly from rigid elements of the same kind
    • B65H2701/5136—Moulded plastic elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/53—Adaptations of cores or reels for special purposes
    • B65H2701/534—Stackable or interlockable reels or parts of reels

Definitions

  • the invention relates to an end wall made of injection molding material for a winding roll, with a rectangular, in particular square, rounded corner surfaces having plate, the front of which facing the winding roll has a central plug-in pin and locking cam, and the back of which points away from the winding roll by radial and annular ribs is, with stacking cams which delimit stacking pockets, on side walls of the plate which are at right angles to the plate, the stacking pockets being shaped complementarily to the stacking cams.
  • a one-piece end wall made of plastic which consists of a square, preferably square, stiffened with radial webs flat plate.
  • an insertion pin for the winding material roll which is equipped with holding prisms, for example.
  • the plate is wrapped in a belt, on the outside of which small prismatic strips are arranged.
  • the belt encloses four cup-shaped depressions which protrude into the free cavity between the material to be wound and the packaging jacket and which are open near the outer end face and has a circumferential stop bar which is provided with teeth.
  • a protective packaging for film and metal rolls which consists of two identical flanges equipped with a hollow hub that can be inserted into the winding core of the roll.
  • Each of these flanges has at least two outer edges or edge parts flanged parallel to one another, which are provided with incisions and tongues, by means of which, when stacking several rollers, an interlocking of the stacked flange edges is achieved and a mutual displacement of the stacked rollers is prevented.
  • these flanges cannot be stacked arbitrarily, but can only be stacked next to one another or one above the other and brought into engagement with one another in a specific assignment.
  • GB 1,497,929 describes square end walls for winding rolls, flanges being present at right angles to the end wall along each side edge of an end wall.
  • One of the four circumferential flanges has two projecting pins, while the opposite flange has two holes at the locations that correspond to the locations of the pins.
  • the winding rolls are stacked in rows, the upper row of the winding rolls with their end walls being offset relative to the lower row in such a way that the pins of one end wall are in engagement with the holes of two underlying end walls lying underneath, as a result of which a lateral displacement of the two Rows of winding rolls against each other is prevented.
  • the end walls without a winding roll can be stacked on top of each other with horizontally oriented end walls, but the vertically oriented end walls, in particular with the winding rolls, cannot be stacked with their side walls as desired, but can only be stacked next to or on top of one another and with each other in a specific assignment be engaged. This means that packaged winding rolls can not be easily and safely stacked tightly on top of each other.
  • the object of the present invention is to further develop the known end walls of the type described in the introduction in such a way that contact of the edge region of the winding roller with the end walls and an associated sprain of the edge region of the winding roller are avoided, with simple, safe and non-slip stacking of the with End walls packed winding rolls on pallets and an increase in the strength of the end walls.
  • the ring attachment has an outer diameter d smaller than the edge length a of the end wall and smaller than the diameter D of the winding roll.
  • the ring attachment is an integral part of an attachment, the outer edges of which are set back from the edges of the plate by the depth of guide grooves and have circular recesses at the corners which have diameters larger than those of the locking cams.
  • the thickness S of the ring attachment is greater than the thickness s of the attachment.
  • the advantages are achieved that the ring attachment alone or together with the attachment ensures that the winding roll with its larger diameter compared to the ring attachment, in its edge region, which is wound softer than its core region, does not come into contact with the end wall or walls arrives so that the material to be wound cannot be compressed, that the corrugation ensures a secure hold of the wrapped winding roll on the pallet and, moreover, the load on the side wall of the end wall resting on the pallet is evenly distributed over the entire length of the side wall, so that thereby together with the reinforcement of the back of the end wall by additional webs, the risk of breakage of the side wall is largely eliminated and that the beveled side surfaces of the stacking cams and stacking pockets allow problem-free stacking and unstacking of the rolls packed with these end walls.
  • the end wall 1 consists of a rectangular, in particular square plate 11, at the four corners of which locking cams 4 are arranged, which have cam lugs 16.
  • corner surfaces 15 of the end wall 1 are rounded, and the cylindrical locking cams 4 are integrated with these corner surfaces and have the same radius as the rounded corner surfaces 15.
  • the cylindrical cam lugs 16 are offset by a shoulder from the locking cams 4 and have a smaller diameter than the locking cams.
  • the front side which faces the winding roller, protects the front side of the winding roller against damage, in particular during transport, and has an annular attachment 35, which encloses a central insertion pin 2.
  • the ring attachment 35 has an outer diameter d and, including the wall thickness s of the plate 11, a thickness S.
  • the outer diameter d is smaller than the edge length a of the end wall 1 and also smaller than the diameter D of a winding roll 27 (cf. FIG. 4).
  • the wall thickness s is in the range from 2 to 4 mm, in particular it is 2.5 mm.
  • the ring attachment 35 is formed, for example, from the same plastic as the end wall 1.
  • the thickness S from the wall thickness s and the ring attachment is in the range from 4 to 20 mm.
  • V-shaped webs 3 run parallel to the longitudinal axis of the insertion pin and have a cross section that becomes smaller towards the front of the plate 11.
  • the plug-in pin 2 is pressed into the bore of the winding tube.
  • the V-shaped webs 3 on the insertion pin 2 ensure a better hold of the insertion pin in the winding sleeve and the same dimensional tolerances of the winding sleeve on the one hand and the insertion pin on the other.
  • the diameter of the hollow cylindrical insertion pin 2 is adapted to the diameter of the respective bore of the winding tube.
  • FIG. 2 The perspective view in FIG. 2 of the rear of the end wall 1, which faces away from the winding roll and points outwards, shows radial ribs 5 and ring ribs 14 which stiffen the rear side and thereby avoid excessive wall thicknesses, so that the unit weight of the end wall 1 is kept low can be.
  • the radial and ring ribs result in a high load capacity of the end wall 1 with a low weight.
  • the radial ribs 5 are additionally reinforced and stiffened by webs 32 which run perpendicular to the plate 11 in the surface of the radial ribs 5.
  • the stacking cams 9 and 19 limit stacking pockets 8, 18, which are designed to be complementary to the stacking cams.
  • the stacking cams 9 are shorter than the stacking cams 19.
  • the base body of the two groups of stacking cams 9, 19 is in each case cuboid, one side surface 20 or 21 of the stacking cam 9 or 19 being chamfered and inclined towards the side wall 13.
  • Each stacking cam 9 is arranged near one of the two corner surfaces 15 of a side wall 13, one stacking cam 9 being formed rotated by 180 ° with respect to the other stacking cam 9.
  • the two other stacking cams 19 of a side wall 13 are also rotated by 180 ° to each other and diagonally offset from one another.
  • One stack cam 9 and 19 is aligned, for example, with the lower edge of the side wall 13, while the stack cams 19 and 9 rotated by 180 ° are aligned with the upper edge of the side wall 13.
  • the longer stacking cam 19 also has inclined surfaces 22, 23 in addition to the beveled side surface 21.
  • the group of shorter stacking cams 9 also has inclined surfaces 24, 25 per stacked cam.
  • the inclined surfaces 22, 24; 23, 23 of the stacking cams 9 and 19 each form the boundary walls for a guide groove 7 which receives a strapping of the winding roll 27.
  • the side walls 13 and 30 there are at least two guide grooves 7, which are for example 20 mm wide and about 10 mm deep.
  • two guide grooves 7 are shown.
  • the corrugation 31 between two guide grooves 7 consists of prismatic corrugations 34 with triangular cross sections.
  • the two end walls of a winding roll are firmly connected to the winding roll by strapping with two or three plastic or metal straps.
  • the exact distance of the guide grooves 7 is selected from each other so that the strapping can be attached by a tandem strapping system. If necessary, the end wall edges can be reinforced at the strapping points and the guide grooves can be given the appropriate strength by an opposite end wall rib.
  • the radial ribs 5 and the annular ribs 14 on the back of the plate 11 are at the same height as the outer edge or the edge of the side walls 13 and 30 of the plate 11.
  • This number of stacking cams is sufficient, for example, with dimensions of 485 x 505 mm of the end wall 1, but it is obvious that with larger dimensions of the end wall, such as 585 x 605 mm or 680 x 700 mm, correspondingly more stacking cams 9 and 19 per Side wall must be present.
  • the number of guide grooves 7 will then also be greater than three.
  • the plate 11 has a central cylindrical through opening 12.
  • the hollow cylindrical insertion pin 2 is connected to this central through opening 12 via a shoulder 29.
  • the diameter of the through opening 12 is larger than the outer diameter of the insertion pin 2.
  • On the back of the plate 11 there are cutouts 6 which are surrounded by the rounded corner surfaces 15 and rounded webs 17.
  • the cutouts 6 connect to the rear of the hollow cylindrical locking cams 4.
  • the rounded webs 17 are by further webs 33, the run perpendicular to the plate 11, reinforced. These cylindrical webs 33 have a diameter that is greater than the wall thickness of the rounded webs 17.
  • the cam lugs 16 of the locking cams 4 of one end wall engage in the recess 6 on the rear side of the plate 11 of the end wall above.
  • the insertion pin 2 engages in the through opening 12, which results in the possibility of stacking and palletizing the end walls in a space-saving manner.
  • the stacking cams and stacking pockets engage in one another in such a way that a displacement along or across the side wall 13 is not possible.
  • the beveled side surfaces 20, 21 of the stacking cams and the stacking pockets allow problem-free stacking and unstacking of the winding rolls packed with these end walls. Mutual locking of the complete winding rolls stacked on one another or next to one another and packed by the end walls 1 is achieved.
  • the end walls 1 are made, for example, from thermoplastic materials by injection molding. Regenerates and recycling materials can be used.
  • the stacking cams as well as the webs and ribs are molded in the same injection molding process.
  • two opposite side walls (3) of the end wall can have a corrugation (31).
  • Fig. 3 shows a perspective bottom view of a second end wall 1, which differs from the end wall according to Figures 1 and 2 in such a way that the ring attachment 35 is an integral part of an attachment 36, which has a rectangular or square shape.
  • the outer edges of the attachment 36 are set back from the edges of the plate 11 by the depth of approximately 10 mm of the guide grooves 7. Although not shown, the outer edges of the attachment 36 can also coincide with the edges of the plate 11.
  • the attachment has circular recesses 37 which have a diameter which is slightly larger than the diameter of the locking cams 4, so that the attachment 36 can be easily pushed onto the plate 11.
  • the thickness S of the ring cap 35 is greater than the thickness s of the cap 36.
  • FIG. 4 shows a sectional view of the configuration of the attachment 36 with the ring attachment 35 and the dimensions of these parts with respect to one another and with the winding roller 27 and the end wall 1, which is shown in part.
  • the ring attachment as an annular bead 38 is an integral part of the front of the end wall.
  • the wall thickness s of the plate 11 and the annular bead 38 are of the same size, since the plate 11 merges into the annular bead 38. This saves material compared to the embodiment according to FIG. 4.
  • the diameter of the annular bead 38 is smaller than the edge length of the end wall 1. It is also possible to form the attachment 36 and the ring attachment 35 together with the end wall 1 during injection molding as their integral components of the front.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Winding Of Webs (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Claims (10)

  1. Paroi d'extrémité en matériau moulé par injection pour un rouleau bobiné, comportant une plaque rectangulaire, notamment carrée, qui possède des surfaces d'angle arrondies et dont la face avant, tournée vers le rouleau bobiné, possède un téton central d'enfichage et des parties saillantes de blocage, et dont la face arrière, qui est dirigée vers l'extérieur à l'opposé du rouleau bobiné est renforcée par des nervures radiales et annulaires, et comportant des parties saillantes d'empilage, qui limitent des logements d'empilage, sur des parois latérales de la plaque, qui sont perpendiculaires à cette dernière, les logements d'empilage ayant une configuration complémentaire des parties saillantes d'empilage, caractérisée en ce que la face avant de la plaque (11) est pourvue d'un élément de recouvrement annulaire (35), qui entoure le téton d'enfichage (2).
  2. Paroi d'extrémité selon la revendication 1, caractérisée en ce que l'élément de recouvrement annulaire (35) possède un diamètre extérieur d inférieur à la longueur a des bords de la paroi d'extrémité (1) et inférieur au diamètre D du rouleau bobiné (27).
  3. Paroi d'extrémité selon la revendication 1, caractérisée en ce que l'élément de recouvrement annulaire (35) fait partie intégrante d'un élément de recouvrement (36), dont les bords extérieurs sont en retrait par rapport aux bords de la plaque (11), et ce d'une distance égale à la profondeur de rainures de guidage (7), et possèdent, au niveau des angles, des renfoncements circulaires (37) qui possèdent un diamètre supérieur à celui des parties saillantes de blocage (4).
  4. Paroi d'extrémité selon la revendication 3, caractérisée en ce que l'épaisseur S de l'élément de recouvrement annulaire (36) est supérieure à l'épaisseur s de l'élément de recouvrement (36).
  5. Paroi d'extrémité selon la revendication 1, caractérisée en ce que l'élément de recouvrement annulaire (35) est emmanché sur le téton d'enfichage (2).
  6. Paroi d'extrémité selon la revendication 3, caractérisée en ce que l'élément de recouvrement (36) équipé de l'élément de recouvrement annulaire intégré (35) est emmanché sur le téton d'enfichage (2).
  7. Paroi d'extrémité selon la revendication 1, caractérisée en ce que l'élément de recouvrement annulaire est réalisé sous la forme d'un rebord annulaire (38) en tant qu'élément faisant partie intégrante de la paroi d'extrémité (1), sur la face avant de cette paroi.
  8. Paroi d'extrémité selon la revendication 1, caractérisée en ce que l'élément de recouvrement (36) est réalisé, conjointement avec l'élément de recouvrement annulaire (35), sous la forme d'un composant intégré faisant partie de la paroi d'extrémité (1), sur la face avant de cette paroi.
  9. Paroi d'extrémité selon la revendication 1 ou 3, caractérisée en ce qu'au moins une paroi latérale (30) de chaque paroi d'extrémité (1) possède, à la place de parties saillantes et de logements d'empilage, un nervurage (31), qui s'étend sur la longueur de la paroi latérale, en étant interrompu par des rainures de guidage (7) aménagées dans la paroi latérale, et que la face arrière de la paroi d'extrémité (1) est renforcée par des barrettes (32;33).
  10. Paroi d'extrémité selon la revendication 1, caractérisée en ce que deux parois latérales opposées (30) de la paroi d'extrémité possèdent un nervurage (31).
EP93119507A 1992-12-07 1993-12-03 Paroi d'extrémité en matériau moulé par injection pour rouleau de film Expired - Lifetime EP0601494B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4241115A DE4241115A1 (de) 1992-12-07 1992-12-07 Stirnwand aus Spritzgußmaterial für eine Wickelfolie
DE4241115 1992-12-07

Publications (2)

Publication Number Publication Date
EP0601494A1 EP0601494A1 (fr) 1994-06-15
EP0601494B1 true EP0601494B1 (fr) 1995-10-25

Family

ID=6474567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93119507A Expired - Lifetime EP0601494B1 (fr) 1992-12-07 1993-12-03 Paroi d'extrémité en matériau moulé par injection pour rouleau de film

Country Status (7)

Country Link
US (1) US5431282A (fr)
EP (1) EP0601494B1 (fr)
JP (1) JP3667355B2 (fr)
KR (1) KR100285936B1 (fr)
AT (1) ATE129477T1 (fr)
CA (1) CA2110319C (fr)
DE (2) DE4241115A1 (fr)

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KR200448313Y1 (ko) * 2009-08-10 2010-03-31 이봉희 롤지지패드
FR2984863B1 (fr) 2011-12-23 2014-03-07 Excel Services Emballages Sa Procede de fabrication d'une paroi de support pour une bobine, et paroi de support obtenue
US9284103B2 (en) 2013-11-05 2016-03-15 Sonoco Development, Inc. End support for wound rolls
US9963320B2 (en) * 2015-11-23 2018-05-08 Sonoco Development, Inc. Self-adjusting mounting plate for wound roll
CN109592478A (zh) * 2017-09-30 2019-04-09 中航光电科技股份有限公司 一种带包装线缆及其线缆包装组件
KR102599652B1 (ko) * 2020-03-05 2023-11-06 유명일 롤필름 홀더

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DE9108405U1 (de) * 1991-07-08 1992-02-06 Hoechst Ag, 6230 Frankfurt Wickelrollenstirnwand mit verbesserter Seitenbruchsicherheit

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EP0601494A1 (fr) 1994-06-15
CA2110319C (fr) 2005-03-29
KR940014102A (ko) 1994-07-16
DE4241115A1 (de) 1994-06-09
DE59300822D1 (de) 1995-11-30
JPH06286877A (ja) 1994-10-11
US5431282A (en) 1995-07-11
KR100285936B1 (ko) 2001-10-22
ATE129477T1 (de) 1995-11-15
JP3667355B2 (ja) 2005-07-06
CA2110319A1 (fr) 1994-06-08

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