EP0935579B1 - Aus kunststoff hergestellte spule - Google Patents

Aus kunststoff hergestellte spule Download PDF

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Publication number
EP0935579B1
EP0935579B1 EP97912604A EP97912604A EP0935579B1 EP 0935579 B1 EP0935579 B1 EP 0935579B1 EP 97912604 A EP97912604 A EP 97912604A EP 97912604 A EP97912604 A EP 97912604A EP 0935579 B1 EP0935579 B1 EP 0935579B1
Authority
EP
European Patent Office
Prior art keywords
grip
core
spool
lugs
discs
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
EP97912604A
Other languages
English (en)
French (fr)
Other versions
EP0935579A1 (de
Inventor
Inga-Lill HÖGLIND
Ingvar Svensson
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.)
HOEGLIND, INGA-LILL
SVENSSON, INGVAR
Original Assignee
Hoglind Inga-Lill
Svensson Ingvar
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 Hoglind Inga-Lill, Svensson Ingvar filed Critical Hoglind Inga-Lill
Publication of EP0935579A1 publication Critical patent/EP0935579A1/de
Application granted granted Critical
Publication of EP0935579B1 publication Critical patent/EP0935579B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2245—Constructional details collapsible; with removable parts connecting flange to hub
    • 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
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2254—Constructional details collapsible; with removable parts with particular joining means for releasably connecting parts
    • B65H75/2281—Snap-fit connections
    • 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

Definitions

  • the present invention relates to a spool of a plastics material for reception thereon of a strand-like material, such as e.g. tape, cable, wire and the like, comprising two preferably disc-like end members held together in spaced-apart relationship by a tubular core extending between said end discs.
  • the end discs and the core are formed with portions of complementary configuration, which are fitted into one another upon assembly of the spool.
  • the end discs are provided with protruding supports having radial, grip lugs thereon.
  • the protruding supports project axially from the facing sides of the discs, and in the area of its ends the core is provided with grip portions comprising grip edges.
  • Spools of this kind usually are manufactured by moulding the end discs separately and then gluing them to the core.
  • numerous different end-disc diameter sizes could be used together with a core of a specific length just like numerous different core lengths could be used together with an end disc of a specific diameter size.
  • glue is used as the bonding agent to fasten the end discs to the core it is very difficult to find a glue that is suitable from an environmental point of view.
  • factory-finished spools are very bulky to store as well as to transport and handle.
  • Another way of manufacturing a spool is to assemble the spool from two parts of end-disc members and one middle tubular part.
  • Such a spool is disclosed in DE 22 59 364, upon which the preamble of the first claim of the present application is based.
  • a spool of that kind is having cantilever-like grip lugs at the end-discs, intended to engage in recesses in the middle tubular part for assemblage.
  • the main object of the invention is to provide a spool obviating the necessity of using environmentally harmful bonding agents while at the same time the number of pieces necessary to supply the desired spool volumes and spool dimensions is considerably reduced.
  • a further object of the invention is to provide a reliably operating spool structure that requires but a minimum storage and transportation space.
  • the buyer could purchase end discs of only one or in any case a very reduced number of diameter sizes, and with the aid of cores of different lengths he is able to make the adaptations necessary for the desired volume in view of the material to be wound onto the spool. It is, of course, likewise possible to purchase cores of one or at least only a few different dimensions and adapt the volume with the aid of end discs of different diameter sizes. Because the end discs are press fit onto, and not integrated with the core, the assembly of the parts may be effected by the user, which offers considerable advantages from a transportation point of view. It should be appreciated that just like before there is nothing to prevent assembly of the spool at the place of moulding of the plastic components. This arrangement also gives a very strong construction with minimum risks for the components separating when handled roughly.
  • the grip lugs of the end discs are configured as hook-like tongues comprising a wedge-shaped face turned away from the associated end disc and a grip edge facing the associated end disc for snap engagement with the grip portion in the core. Accordingly, the assembly may be performed conveniently by merely pressing the end discs and the core together axially.
  • the grip tongues are directed radially outwards, and the grip edges formed in the core are recesses made in the core wall, preferably in the shape of apertures extending through the core wall.
  • the grip lugs on the end discs preferably are spaced apart along a circular arc, second protruding supports preferably being arranged between the first protruding supports, said second supports having wedge-shaped sloping ramps to be ridden on by the core.
  • the grip lugs on the end discs are non-resilient, i.e.
  • the spool illustrated in the drawing figures consists of two end discs 1 which are held together in spaced apart relationship by a tubular core 2.
  • the end discs 1 preferably are identical but could equally well differ in shape as well as in configuration, should this be desired.
  • the outwardly directed face of the end discs are formed with a number of stiffening ribs 3, 4 and 5. It is of course equally possible to provide the end discs with stiffening ribs on their inner face or to design them with a smooth outer face or both faces smooth, or to form them with stiffening ribs having a different appearance and extension.
  • the spool may be used to receive any windable material, such as tape, cable, wire and the like.
  • Numeral reference 6 designates protruding supports generally, said supports projecting from the inner face of the end disc and in accordance with the shown embodiment they consist of an annular, axially protruding flange 7 and of grip lugs 8 distributed along the flange periphery and projecting radially beyond the outer face of the flange.
  • the grip lugs 8 form hook-shaped grip tongues comprising a wedge-shaped face 8a turned away from the inner face 9 of the end disc, and a grip edge 8b turned towards the inner face of the end disc.
  • the grip tongues are stiffened by a stiffening web 10 extending radially towards the disc centre, the grip portions consequently being non-resilient (non-flexible).
  • Numeral reference 11 designates a stiffening web which like stiffening web 10 extends radially and is formed with a wedge-like sloping edge face 12.
  • the parts of the annular flange 7 extending between the grip tongues 8 have an obliquely bevelled face 13 on its edge turned away from the end disc.
  • the oblique bevel 13 forms a continuation of the wedge-shaped edge face 12 of the stiffening web 11.
  • the stiffening web 10 has a wedge-shaped face 14 which forms a continuation of the wedge-shaped face 8a of the engagement tongue 8.
  • Numeral reference 15 designates a centre hole formed in the end disc by means of which the spool may be rotatably mounted on e.g. a shaft.
  • Numeral reference 16 designates apertures formed adjacent the ends of the core 2, the aperture edges 18 closest to the core end 17 forming grip edges which cooperate with the grip edges 8b on the grip tongues. The spool is assembled by the core being pressed against the end disc 9.
  • the grip tongues 8 are provided in a number of four as are also the projecting supports formed by the stiffening webs and positioned between the tongues. Within the scope of the invention, this number could, of course, be higher or lower. It is not either necessary that the number of projecting supports having grip tongues formed thereon is identical with the number of projecting supports positioned therebetween.
  • the annular flange 6 need not be continuous along the entire periphery. Instead, it could be divided into a number of sections spaced somewhat apart. With a sufficiently large number of wedge-shaped edges 12 to be ridden by the core the flange-shaped annular member 7 could, however, be omitted altogether.

Claims (9)

  1. Aus Kunststoff hergestellte Spule zur Aufnahme eines wickelbaren Materials darauf, wie z.B. Band, Kabel, Draht und dergleichen, umfassend zwei vorzugsweise scheibenartige Endglieder (1), die durch einen röhrenförmigen Kern (2), welcher sich zwischen den Endscheiben (1) erstreckt, in räumlich getrennter Beziehung zusammengehalten sind, wobei die Endscheiben (1) und der Kern (2) mit Abschnitten von einander ergänzender Gestaltung ausgebildet sind, wobei die einander ergänzenden Abschnitte nach dem Zusammenbau der Spule ineinander gepasst sind, wobei die Endscheiben (1) mit vorstehenden Halterungen (6, 8) mit radialen Greifansätzen (8) darauf versehen sind, wobei die vorstehenden Halterungen axial von den einander zugewandten Seiten der Scheiben vorstehen, und wobei der Kern im Bereich seiner Enden mit Greifabschnitten versehen ist, die Greifkanten (18) umfassen, dadurch gekennzeichnet, dass die Greifansätze (8) dadurch, dass sie Verstärkungsrippen (10) aufweisen, die sich radial von den Greifansätzen (8) in Richtung auf die Mitte der Endscheibe (1) erstrecken, nicht elastisch, d.h. feste Greifansätze sind, und dass die Greifkanten (18) in der ineinander gepassten Position des Kerns und der Endscheiben angeordnet sind, um von den Griffansätzen (8) der Endscheiben in Eingriff genommen zu werden, nachdem letztere nach dem Ineinanderpassen der Endscheiben und des Kerns an den Kerngreifabschnitten vorbeigezwungen wurden, während die Elastizität des Kunststoffmaterials des Kerns (2) durch Ausstrecken des Kerns in der umfänglichen Richtung genutzt ist.
  2. Spule nach Anspruch 1, dadurch gekennzeichnet, dass die Greifansätze (6, 8) der Endscheiben (1) als hakenartige Zungen (8) gestaltet sind, die eine keilförmige Seite (8a), welche von der zugehörigen Endscheibe abgewandt ist, und eine Greifkante (8b), die der zugehörigen Endscheibe zugewandt ist, zur Ineingriffnahme durch Einrasten mit den Greifabschnitten des Kerns umfassen.
  3. Spule nach Anspruch 2, dadurch gekennzeichnet, dass die Greifzungen (8) radial nach außen gerichtet sind.
  4. Spule nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Greifkanten (18), die im Kern (2) ausgebildet sind, durch Greifaussparungen (16) ausgebildet sind, die in der Kernwand ausgebildet sind.
  5. Spule nach Anspruch 4, dadurch gekennzeichnet, dass die Greifaussparungen (16) Öffnungen sind, die sich durch die Kernwand erstrecken.
  6. Spule nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Greifansätze (8) an den Endscheiben entlang eines kreisförmigen Bogens räumlich voneinander getrennt sind.
  7. Spule nach Anspruch 6, dadurch gekennzeichnet, dass zwischen den vorstehenden Halterungen (8), die an den Endscheiben ausgebildet sind, zweite vorstehende Halterungen (7, 11) mit keilförmigen Schrägrampen (13, 12) vorgesehen sind, auf denen der Kern (2) aufsitzt.
  8. Spule nach Anspruch 7, dadurch gekennzeichnet, dass sich die zweiten vorstehenden Halterungen (7) bogenförmig so zwischen den ersten vorstehenden Halterungen erstrecken, dass sie zusammenwirkend mit den ersten Halterungen ein ringförmiges Glied bilden, wobei eine Seite des ringförmigen Glieds eine Durchmessergröße aufweist, die der Durchmessergröße einer Seite des Kerns entspricht oder diese übersteigt.
  9. Spule nach Anspruch 8, dadurch gekennzeichnet, dass die Durchmessergrößen zur Ineingriffnahme durch Einpressung zwischen den vorstehenden Halterungen der Endscheiben und der Kernwand geeignet sind.
EP97912604A 1996-11-04 1997-11-04 Aus kunststoff hergestellte spule Expired - Lifetime EP0935579B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9604038A SE507320C2 (sv) 1996-11-04 1996-11-04 Spole av plastmaterial
SE9604038 1996-11-04
PCT/SE1997/001834 WO1998019953A1 (en) 1996-11-04 1997-11-04 Spool made of plastics

Publications (2)

Publication Number Publication Date
EP0935579A1 EP0935579A1 (de) 1999-08-18
EP0935579B1 true EP0935579B1 (de) 2003-05-21

Family

ID=20404495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97912604A Expired - Lifetime EP0935579B1 (de) 1996-11-04 1997-11-04 Aus kunststoff hergestellte spule

Country Status (6)

Country Link
EP (1) EP0935579B1 (de)
AU (1) AU4972997A (de)
DE (1) DE69722232T2 (de)
NO (1) NO313379B1 (de)
SE (1) SE507320C2 (de)
WO (1) WO1998019953A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2987503B1 (ja) * 1998-06-12 1999-12-06 モルデック株式会社 プラスチックリール
AUPQ899800A0 (en) * 2000-07-25 2000-08-17 Viscount Plastics (Nsw) Ltd Collapsible reel assembly
DE102007014508B4 (de) * 2007-03-27 2010-04-22 Helmut Wollnitzke Spuleneinrichtung für Draht, insbesondere für Schweißdraht
DE102015012671B3 (de) * 2015-09-30 2017-02-23 Helmut Wollnitzke Ringspulenkörper
WO2017190287A1 (zh) * 2016-05-04 2017-11-09 竹菱 (大连) 实业有限公司 拉链可拆卸回收用卷筒

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990133A (en) * 1958-06-18 1961-06-27 American Pulley Co One piece molded spool
BE794779A (fr) * 1972-12-04 1973-05-16 Filthaut Franz Bobine d'envidage de fils textiles ou analogues
DE8525459U1 (de) * 1985-09-06 1985-10-24 Häfner & Krullmann GmbH, 4817 Leopoldshöhe Aufnahmespule für insbesondere bandförmiges Wickelgut
SE469982B (sv) * 1991-05-27 1993-10-18 Ulvator Ab Engångstrumma för t ex kabel och lina
DE4414577C2 (de) * 1994-04-27 2001-12-20 In Akustik Gmbh & Co Kg Spule

Also Published As

Publication number Publication date
EP0935579A1 (de) 1999-08-18
DE69722232T2 (de) 2004-03-25
NO992133L (no) 1999-07-02
WO1998019953A1 (en) 1998-05-14
AU4972997A (en) 1998-05-29
SE507320C2 (sv) 1998-05-11
NO313379B1 (no) 2002-09-23
SE9604038D0 (sv) 1996-11-04
DE69722232D1 (de) 2003-06-26
SE9604038L (sv) 1998-05-05
NO992133D0 (no) 1999-05-03

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