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WO1990003327A1 - Cable roller core - Google Patents

Cable roller core Download PDF

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Publication number
WO1990003327A1
WO1990003327A1 PCT/CH1989/000169 CH8900169W WO9003327A1 WO 1990003327 A1 WO1990003327 A1 WO 1990003327A1 CH 8900169 W CH8900169 W CH 8900169W WO 9003327 A1 WO9003327 A1 WO 9003327A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable reel
flanks
core
links
core according
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.)
Ceased
Application number
PCT/CH1989/000169
Other languages
German (de)
French (fr)
Inventor
Bernhard Kessler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO1990003327A1 publication Critical patent/WO1990003327A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B65H75/2209—Constructional details collapsible; with removable parts collapsible by use of hinged or slidable parts; foldable without removing parts
    • 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

Definitions

  • the present invention relates to a cable reel core with two parallel flanks at the ends parallel to the core axis of rotation.
  • Cables, lead wires or the like are wound on cable reels with such cores, which are later hung on electrical masts or drawn into underground cable ducts.
  • the end plates which generally protrude radially from the core, have a much larger diameter than the core jacket and give the cable winding lateral support.
  • These end plates surrounding the core ends in a flange-like manner have the disadvantage that the storage space occupied by such cable reels in the empty state is almost the same size as in the full state.
  • a further disadvantage is that the empty cable reel can only be reduced to half its previous storage volume.
  • the object of the present invention is to design a core for a cable reel in such a way that its storage volume can be more than halved with a comparatively light design in the empty state.
  • this object is achieved in that the core is formed by at least two links arranged symmetrically about its axis of rotation, which are articulated on the flanks.
  • FIG. 1 is a side view of a core in its operating position and in its storage position
  • FIG. 2 shows a plan view of FIG. 1, the core being shown in its storage position
  • FIG. 3 shows a side view of a second example in the operating position, with individual control arms lying one above the other.
  • the core 3 has two flanks 1, 2 in the form of a three-spoke wheel disk which are connected to one another.
  • the diameter of the flanks 1, 2 can be larger in relation to the length of the core 3 than is shown in the drawing.
  • the core 3 has essentially six links 5 arranged symmetrically about the core axis of rotation 4 and an axial link 6 designed as a hub. All links 5, 6 have in common that they are articulated on the flanks 1, 2 so that they can pivot about parallel pivot axes 7 and 8, respectively.
  • the links 5, 6 are parallelogram links with respect to the flanks 1 and 2, so that they can be pivoted from the operating position shown upright in FIG. 1 (in which the links 5, 6 and core axis of rotation 4 are parallel) into a bearing position in FIG which the upper edge 1 in Fig.
  • the swivel connection between the hub 6 and 'the flank 1 consists of two joint forks 9 and 10 which overlap with their legs, one (9) of which is fixed to the hub 6 and the other (10) of which is firmly connected to * the flank 1.
  • the legs of the articulated fork 9, 10 are penetrated with coaxial bearing bores, into which axle bolts forming the pivot axis 8 are inserted.
  • a parallel tab welded onto the flank 1 forms an intermediate space into which the one leg of the other bearing fork 9 engages.
  • Both the legs of the bearing forks 9, 10 and the bracket 11 are provided with projections penetrated by bores 13, 14 and 15, respectively, which are aligned with one another in the operating position, so that the bores 13, 14 and 15 of a locking pin 16 can be enforced. If the locking bolt 16 is inserted, the core or the cable reel is a rigid structure. If it is removed, it can be folded up.
  • a spring-loaded safety bolt 17 is provided, which is of considerably smaller diameter than the locking bolts.
  • two adjacent legs of the joint fork 9, 10 are each provided with a bore, which are aligned coaxially in the operating position and can be penetrated by a spring-loaded safety bolt 17.
  • the locking bolts 16 are therefore first removed, the safety bolt 17 with the strength sufficient for accident prevention to continue to hold the cable reel in its operating position.
  • the safety hook 16 provided with a corresponding eyelet can be grasped and pulled out by means of a hook or the like.
  • the safety bolt 17 engages automatically when the cable reel is pivoted back from the storage position into the operating position and gives it sufficient hold so that the locking bolts 16 can be used safely.
  • the links 5, 6 can also lie one behind the other or in the storage position one above the other.
  • the distances between the articulated axes of the links 5, 6 from the flanks 1, 2 must be selected such that the sum of the distances (b + c or a + a) from the flanks 1, 2 is constant with the same length of handlebar "1" .

Landscapes

  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

A cable roller core (3) has two parallel flanks (1, 2) perpendicular to the axis of rotation of the core (4). To allow the cable roller to be stacked compactly, the core (3) is formed by at least two guide rods (5) arranged symmetrically about its axis of rotation and linked to the flanks (1, 2).

Description

Kabelrollenkern Cable roll core

Die vorliegende Erfindung bezieht sich auf einen Kabelrollenkern mit zwei endseitigen parallelen, zur Kerndrehachse rechtwinkligen Flanken.The present invention relates to a cable reel core with two parallel flanks at the ends parallel to the core axis of rotation.

Auf Kabelrollen mit solchen Kernen werden Kabel, Lei¬ tungsdrähte oder dgl. aufgewickelt, die später an elektrischen Leitungsmasten aufgehängt oder in unter- irdische Kabelkanäle eingezogen werden. Die den Kern in der Regel radial überragenden Endschilder weisen einen wesentlich grösseren Durchmesser auf als der Kernmantel und geben dem Kabelwickel seitlichen Halt. Durch diese die Kernenden flanschartig umgebenden End- schilder entsteht der Nachteil, dass der von solchen Kabelrollen im leeren Zustand beanspruchte Lagerraum nahezu gleich gross ist wie im vollen Zustand.Cables, lead wires or the like are wound on cable reels with such cores, which are later hung on electrical masts or drawn into underground cable ducts. The end plates, which generally protrude radially from the core, have a much larger diameter than the core jacket and give the cable winding lateral support. These end plates surrounding the core ends in a flange-like manner have the disadvantage that the storage space occupied by such cable reels in the empty state is almost the same size as in the full state.

Um diesen Nachteil zu beseitigen wurde in der CH-A 643 800 vorgeschlagen, den Kern zweiteilig und inIn order to eliminate this disadvantage it was proposed in CH-A 643 800, the core in two parts and in

Richtung seiner Drehachse teleskopierbar zu gestalten. Dieser Vorschlag hat die Eigenschaft, dass der Kern entweder äusserst stabil und damit schwer gestaltet sein muss oder dass er bei zu leichter Konstruktion empfindlich für Transportschäden ist, welche seineTo design telescopic direction of its axis of rotation. This proposal has the property that the core must either be extremely stable and therefore heavy, or that if the construction is too light, it is sensitive to transport damage, which is his

Teleskopierbarkeit behindern oder verunmöglichen. Ein Nachteil besteht weiter darin, dass die leere Kabel¬ rolle nur auf die Hälfte ihres bisherigen Lagervolu¬ mens verkleinert werden kann.Impede or make telescoping impossible. A further disadvantage is that the empty cable reel can only be reduced to half its previous storage volume.

Die vorliegende Erfindung stellt sich die Aufgabe, einen Kern für eine Kabelrolle derart zu gestalten, dass bei vergleichsweise leichter Bauart im leeren Zu¬ stand ihr Lagervolumen mehr als halbiert werden kann. Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass der Kern durch wenigstens zwei symmetrisch um seine Drehachse angeordnete Lenker gebildet wird, die an den Flanken angelenkt sind.The object of the present invention is to design a core for a cable reel in such a way that its storage volume can be more than halved with a comparatively light design in the empty state. According to the invention, this object is achieved in that the core is formed by at least two links arranged symmetrically about its axis of rotation, which are articulated on the flanks.

Anhand der beiliegenden schematischen Zeichnung wird die Erfindung beispielsweise erläutert. Es zeigen:The invention is explained, for example, with the aid of the attached schematic drawing. Show it:

Fig. 1 eine Seitenansicht eines Kerns in seiner Be- triebsstellung und in seiner Lagerstellung,1 is a side view of a core in its operating position and in its storage position,

Fig. 2 eine Draufsicht auf Fig. 1, wobei der Kern in seiner Lagerstellung gezeigt ist und Fig. 3 eine Seitenansicht eines zweiten Beispiels in Betriebsstellung, wobei einzelne Lenker über- einander liegen.FIG. 2 shows a plan view of FIG. 1, the core being shown in its storage position, and FIG. 3 shows a side view of a second example in the operating position, with individual control arms lying one above the other.

Der Kern 3 weist zwei Flanken 1, 2 in der Form einer dreispeichigen Radscheibe auf, die miteinander ver¬ bunden sind. Der Durchmesser der Flanken 1, 2 kann im Verhältnis zur Länge des Kerns 3 grösser sein als dies in der Zeichnung gezeigt ist. Der Kern 3 weist im we¬ sentlichen sechs symmetrisch um die Kerndrehachse 4 angeordnete Lenker 5 und einen achsialen, als Nabe ge¬ stalteten Lenker 6 auf. Allen Lenkern 5, 6 gemeinsam ist, dass sie um unter sich parallele Schwenkachsen 7 bzw. 8 schwenkbar an den Flanken 1, 2 angelenkt sind. Die Lenker 5, 6 sind mit Bezug auf die Flanken 1 und 2 Parallelogrammlenker, so dass diese aus der in Fig. 1 aufrecht gezeigten Betriebsstellung (in der Lenker 5, 6 und Kerndrehachse 4 parallel sind) in eine Lager¬ stellung schwenkbar sind, in der die in Fig. 1 obere Flanke 1 nach rechts unten verschwenkt wird. Zwischen der Nabe 6 und den Flanken 1, 2 sind lösbar Arretierungsvorrichtungen vorhanden, um den Kern bzw. die Kabelrolle in ihrer Betriebsstellung mit zureichen¬ der Beanspruchungsstabilität zu fixieren und um sie für das Zusammenklappen in die Lagerstellung frei zu geben. Nachfolgend wird nur die in Fig. 1 obere Arretierungs¬ vorrichtung beschrieben, da die untere im wesentlichen gleich ausgebildet ist. Die Schwenkverbindung zwischen der Nabe 6 und' der Flanke 1 besteht aus zwei sich mit ihren Schenkeln übergreifenden Gelenkgabeln 9 und 10, von denen eine (9) fest mit der Nabe 6 und die andere (10) fest mit* der Flanke 1 verbunden ist. Die Schenkel der Gelenkgabel 9, 10 sind mit koachsialen Lagerboh¬ rungen durchsetzt, in welche die Schwenkachse 8 bil- dende Achsbolzen gesteckt sind. Mit einem der Schenkel der Lagergabel 10 bildet eine an der Flanke 1 ange- schweisste, parallele Lasche einen Zwischenraum in den der eine Schenkel der anderen Lagergabel 9 greift. So¬ wohl die Schenkel der Lagergabeln 9, 10 als auch der Lasche 11 sind mit von Bohrungen 13, 14 bzw. 15 durch¬ setzten Vorsprüngen versehen, welche in der Betriebs¬ stellung miteinander fluchten, so dass die Bohrungen 13, 14 und 15 von einem Arretierbolzen 16 durchsetzbar sind. Ist der Arretierbolzen 16 eingesetzt ist der Kern bzw. die Kabelrolle ein starres Gebilde. Wird er ent¬ fernt, kann sie zusammengeklappt werden.The core 3 has two flanks 1, 2 in the form of a three-spoke wheel disk which are connected to one another. The diameter of the flanks 1, 2 can be larger in relation to the length of the core 3 than is shown in the drawing. The core 3 has essentially six links 5 arranged symmetrically about the core axis of rotation 4 and an axial link 6 designed as a hub. All links 5, 6 have in common that they are articulated on the flanks 1, 2 so that they can pivot about parallel pivot axes 7 and 8, respectively. The links 5, 6 are parallelogram links with respect to the flanks 1 and 2, so that they can be pivoted from the operating position shown upright in FIG. 1 (in which the links 5, 6 and core axis of rotation 4 are parallel) into a bearing position in FIG which the upper edge 1 in Fig. 1 is pivoted to the bottom right. Detachable locking devices are present between the hub 6 and the flanks 1, 2 in order to fix the core or the cable reel in their operating position with sufficient stress stability and to release them for folding into the storage position. Only the upper locking device in FIG. 1 is described below, since the lower one is of essentially the same design. The swivel connection between the hub 6 and 'the flank 1 consists of two joint forks 9 and 10 which overlap with their legs, one (9) of which is fixed to the hub 6 and the other (10) of which is firmly connected to * the flank 1. The legs of the articulated fork 9, 10 are penetrated with coaxial bearing bores, into which axle bolts forming the pivot axis 8 are inserted. With one of the legs of the bearing fork 10, a parallel tab welded onto the flank 1 forms an intermediate space into which the one leg of the other bearing fork 9 engages. Both the legs of the bearing forks 9, 10 and the bracket 11 are provided with projections penetrated by bores 13, 14 and 15, respectively, which are aligned with one another in the operating position, so that the bores 13, 14 and 15 of a locking pin 16 can be enforced. If the locking bolt 16 is inserted, the core or the cable reel is a rigid structure. If it is removed, it can be folded up.

Damit beim Entfernen der Arretierbolzen 16 die Kabel¬ rolle nicht ungewollt oder überraschend zusammenklappt ist ein federbelasteter Sicherheitsbolzen 17 vorge¬ sehen, der von wesentlich kleinerem Durchmesser ist als die Arretierbolzen. Am unteren Ende der Nabe 6 (Fig. 1) sind zwei benachbarte Schenkel der Gelenkgabel 9, 10 mit je einer Bohrung versehen, welche in der Betriebs- Stellung koachsial ausgerichtet und von einem feder¬ belasteten Sicherheitsbolzen 17 durchsetzbar sind. Um die Kabelrolle aus ihrer Betriebsstellung in dieSo that when the locking bolts 16 are removed, the cable reel does not collapse unintentionally or surprisingly, a spring-loaded safety bolt 17 is provided, which is of considerably smaller diameter than the locking bolts. At the lower end of the hub 6 (FIG. 1), two adjacent legs of the joint fork 9, 10 are each provided with a bore, which are aligned coaxially in the operating position and can be penetrated by a spring-loaded safety bolt 17. Around the cable reel from its operating position in the

Lagerstellung zu bringen werden somit zuerst die Arre¬ tierbolzen 16 entfernt, wobei der Sicherheitsbolzen 17 mit für die Unfallverhütung genügender Festigkeit die Kabelrolle weiterhin in ihrer Betriebsstellung hält. Nach dem Entfernen der Arretierbolzen 16 kann mittels eines Hakens oder dgl. , der mit einer entsprechenden Öse versehene Sicherheitshaken 16 erfasst und heraus¬ gezogen werden. Umgekehrt rastet der Sicherheitsbolzen 17 von selbst ein, wenn die Kabelrolle aus der Lager¬ stellung in die Betriebsstellung zurückverschwenkt wird und gibt ihr einen zureichenden Halt, damit ge¬ fahrlos die Arretierbolzen 16 eingesetzt werden können.To bring it into the storage position, the locking bolts 16 are therefore first removed, the safety bolt 17 with the strength sufficient for accident prevention to continue to hold the cable reel in its operating position. After the locking bolts 16 have been removed, the safety hook 16 provided with a corresponding eyelet can be grasped and pulled out by means of a hook or the like. Conversely, the safety bolt 17 engages automatically when the cable reel is pivoted back from the storage position into the operating position and gives it sufficient hold so that the locking bolts 16 can be used safely.

Betrachtet man einen in Betriebsstellung befindlichen Kern 3 (Fig. 1) rechtwinklig zu einer Ebene, welche die beiden Schwenkachsen 7 eines Lenkers 5 oder 6 ent¬ hält (Pfeil 18), so erscheinen sämtliche Lenker 5, 6 als nebeneinander stehend. Daraus folgt, dass sämt- liehe Lenker 5, 6 nebeneinander liegen, wenn der Kern in die Lagerstellung verschwenkt wird (Fig. 2), wo¬ durch die Höhe H (Fig. 1) sehr klein gehalten werden kann.If one considers a core 3 in the operating position (FIG. 1) at right angles to a plane which contains the two pivot axes 7 of a link 5 or 6 (arrow 18), then all links 5, 6 appear as standing side by side. It follows from this that all of the links 5, 6 lie next to one another when the core is pivoted into the storage position (FIG. 2), whereby the height H (FIG. 1) can be kept very small.

Fig. 3 zeigt, dass in Blickrichtung (Pfeil 18) die Lenker 5, 6 auch hintereinander bzw. in der Lager¬ stellung übereinander liegen können. In diesem Fall sind die Abstände der Gelenkachsen der Lenker 5, 6 von den Flanken 1, 2 so zu wählen, dass die Abstandsumme (b + c bzw. a + a) von den Flanken 1, 2 bei gleicher Lenkerlänge "1" konstant ist. 3 shows that in the direction of view (arrow 18) the links 5, 6 can also lie one behind the other or in the storage position one above the other. In this case, the distances between the articulated axes of the links 5, 6 from the flanks 1, 2 must be selected such that the sum of the distances (b + c or a + a) from the flanks 1, 2 is constant with the same length of handlebar "1" .

Claims

- B -Patentansprüche - B -patent claims 1. Kabelrollenkern mit zwei endseitigen paralle¬ len, zur Kerndrehachse rechtwinkligen Flanken, dadurch gekennzeichnet, dass wenigstens zwei symmetrisch um die Drehachse angeordnete Lenker (5) vorhanden und an den Flanken (1, 2) angelenkt sind.1. Cable reel core with two parallel flanks at the ends, perpendicular to the core axis of rotation, characterized in that at least two arms (5) arranged symmetrically about the axis of rotation are present and articulated on the flanks (1, 2). 2. Kabelrollenkern nach Anspruch 1, dadurch ge- kennzeichnet, dass mehr als zwei Lenker (5, 6) vor¬ handen sind, welche mit Bezug auf die Flanken (1, 2) als Parallelogrammlenker wirken.2. Cable reel core according to claim 1, characterized in that more than two links (5, 6) are present, which act with reference to the flanks (1, 2) as parallelogram links. 3. Kabelrollenkern nach Anspruch 2, dadurch ge- kennzeichnet, dass wenigstens einer der Parallelo¬ grammlenker (5, 6) in der Betriebsstellung, in der sie parallel zur Kerndrehachse (4) ausgerichtet sind, in lösbarer Weise an wenigstens einem der beiden Flanken (1, 2) fixierbar ist.3. Cable reel core according to claim 2, characterized in that at least one of the parallelogram links (5, 6) in the operating position, in which they are aligned parallel to the core axis of rotation (4), in a detachable manner on at least one of the two flanks ( 1, 2) can be fixed. 4. Kabelrollenkern nach Anspruch 3, dadurch ge¬ kennzeichnet, dass einer der Parallelogrammlenker (6) als Nabe gestaltet ist und die übrigen Parallelogramm¬ lenker (5) den Kernmantel bilden.4. Cable reel core according to claim 3, characterized in that one of the parallelogram links (6) is designed as a hub and the other parallelogram links (5) form the core jacket. 5. Kabelrollenkern nach Anspruch 4, dadurch ge¬ kennzeichnet, dass die lösbare Fixation zwischen der Nabe (6) und den Flanken (1, 2) angeordnet ist.5. Cable reel core according to claim 4, characterized ge indicates that the releasable fixation between the hub (6) and the flanks (1, 2) is arranged. 6. Kabelrollenkern nach einem der Ansprüche 2 bis 3, dadurch gekennzeichnet, dass in der Blickrichtung (Pfeil 18) senkrecht auf eine Ebene, welche die beiden Schwenkachsen eines Parallelogrammlenkers (5, 6) ent¬ hält, die Parallelogrammlenker nebeneinander liegend erscheinen, so dass sie bei einer Verschwenkbewegung aus der Betriebsstellung in die Lagerstellung neben¬ einander zu liegen kommen. 6. Cable reel core according to one of claims 2 to 3, characterized in that in the viewing direction (arrow 18) perpendicular to a plane which contains the two pivot axes of a parallelogram link (5, 6), the parallelogram links appear to be side by side, so that they come to lie next to each other during a pivoting movement from the operating position into the storage position. 7. Kabelrollenkern nach Anspruch 6, dadurch ge¬ kennzeichnet, dass eine vorhandene Nabe (6) in der erwähnten Blickrichtung als zwischen zwei Gelenk¬ parallelogra mlenkern liegend erscheint. 7. cable reel core according to claim 6, characterized ge indicates that an existing hub (6) appears in the direction of view mentioned as lying between two articulated parallelogra.
PCT/CH1989/000169 1988-09-28 1989-09-14 Cable roller core Ceased WO1990003327A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH360388 1988-09-28
CH3603/88-7 1988-09-28

Publications (1)

Publication Number Publication Date
WO1990003327A1 true WO1990003327A1 (en) 1990-04-05

Family

ID=4259548

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1989/000169 Ceased WO1990003327A1 (en) 1988-09-28 1989-09-14 Cable roller core

Country Status (2)

Country Link
AU (1) AU4195289A (en)
WO (1) WO1990003327A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB467787A (en) * 1936-11-02 1937-06-23 Benjamin Walter Wicks Improvements in reels or drums for cables and the like
US2909340A (en) * 1957-04-12 1959-10-20 Grant E Whitaker Collapsible wire reel
CH498503A (en) * 1969-05-16 1970-10-31 Kabel Metallwerke Ghh Cable drum
CH498504A (en) * 1969-05-23 1970-10-31 Kabel Metallwerke Ghh Cable drum
US3791606A (en) * 1971-12-27 1974-02-12 W Brown Collapsible cable spool
GB2018723A (en) * 1978-04-10 1979-10-24 Bethlehem Fabricators Collapsible reel
DE3536555A1 (en) * 1985-10-12 1987-04-23 Bohnacker Metall Rudolf Winding drum for the storage and transport of continuous materials

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB467787A (en) * 1936-11-02 1937-06-23 Benjamin Walter Wicks Improvements in reels or drums for cables and the like
US2909340A (en) * 1957-04-12 1959-10-20 Grant E Whitaker Collapsible wire reel
CH498503A (en) * 1969-05-16 1970-10-31 Kabel Metallwerke Ghh Cable drum
CH498504A (en) * 1969-05-23 1970-10-31 Kabel Metallwerke Ghh Cable drum
US3791606A (en) * 1971-12-27 1974-02-12 W Brown Collapsible cable spool
GB2018723A (en) * 1978-04-10 1979-10-24 Bethlehem Fabricators Collapsible reel
DE3536555A1 (en) * 1985-10-12 1987-04-23 Bohnacker Metall Rudolf Winding drum for the storage and transport of continuous materials

Also Published As

Publication number Publication date
AU4195289A (en) 1990-04-18

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