EP0882667B1 - Securing an end flange to a cardboard core - Google Patents

Securing an end flange to a cardboard core Download PDF

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Publication number
EP0882667B1
EP0882667B1 EP98810466A EP98810466A EP0882667B1 EP 0882667 B1 EP0882667 B1 EP 0882667B1 EP 98810466 A EP98810466 A EP 98810466A EP 98810466 A EP98810466 A EP 98810466A EP 0882667 B1 EP0882667 B1 EP 0882667B1
Authority
EP
European Patent Office
Prior art keywords
extension
longitudinal ribs
core
connection according
arm
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
EP98810466A
Other languages
German (de)
French (fr)
Other versions
EP0882667A1 (en
Inventor
Markus Bürgin
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.)
Pelikan Hardcopy Production AG
Original Assignee
Pelikan Hardcopy Production 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
Application filed by Pelikan Hardcopy Production AG filed Critical Pelikan Hardcopy Production AG
Publication of EP0882667A1 publication Critical patent/EP0882667A1/en
Application granted granted Critical
Publication of EP0882667B1 publication Critical patent/EP0882667B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
    • 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
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • 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
    • B65H75/30—Arrangements to facilitate driving or braking
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4136—Mounting arrangements not otherwise provided for
    • B65H2301/41369—Mounting arrangements not otherwise provided for hub arrangements, i.e. involving additional part between core / roll and machine bearing

Definitions

  • Wide ribbons for example for telex machines, are commonly used wound on cardboard tube cores.
  • the approximately parallel arm of the levers has longitudinal ribs on the outside.
  • the second, radially directed arm is at axial pressure pressed onto the end part against the pipe end so that the longitudinal ribs be pressed against the inner wall of the pipe. This Connection only works as long as the axial pressure is maintained remains.
  • the embodiment according to Figures 1 to 3 consists of a circular cylindrical cardboard tube core 1 and inserted therein on both sides Bearing parts 2.
  • the bearing part 2 has a flange 3 which abuts an end face 4 of the core 1 and a tubular Approach 5, which is inserted into the core 1.
  • One of the both bearing parts 2 of the take-up spool also has a coaxial Gear 6 molded. Evenly distributed over the circumference extend about half the length from Flange 3 in cross section dovetail-shaped longitudinal ribs 7, the wedge-shaped at the free end in the outer surface 8 of the approach 5 run.
  • the outer flanks 9 of the longitudinal ribs 7 are approximately radially directed and go sharp-edged into the V-shaped Groove 10 over.
  • bearing part 2 and core 1 are rotatably with each other connected.
  • these ribs 7 are on the Outer surface 8 hook-like or sawtooth-shaped projections 11 molded.
  • the steep flank of tooth 12 is against the flange 3 directed. After assembly, the projections 11 wedge in the core 1. So that a permanent hold of the bearing part 2 in Core 1 reached.
  • the ribs 7 are continuous.
  • the approach 5 has several longitudinal slots distributed over the circumference 16.
  • an expansion element 17 inserted in the form of a sleeve 18 with a cover 19. So that the free end of approach 5 is spread slightly. tries have shown that especially after a few weeks of storage thus a sufficiently rigid connection between the bearing element 2 and core 1 is reached in the axial direction because the somewhat spread free ends 20 of the ribs 7 in the box of Set core 1.
  • the approach 5 has one Longitudinal slot 25.
  • a double-armed lever 26 inserted, which is pivotable about an axis 27.
  • the one, longer lever arm 28 protrudes adjacent in the unmounted state the flange 3 over the outer surface 10 with one to the axis of Approach inclined surface 29 before.
  • the shorter lever arm 30 is hook-shaped.
  • the arm 28 is pressed in and the lever 26 pivoted in the direction of the arrow, so that the hook 31 of the arm 30 penetrates into the core 1. This in turn is a secure connection reached.
  • the core has 1 starting from the end face 4 a longitudinal slot 37.
  • a driver strip 36 formed on the extension 5 the is slightly wedge-shaped at its inner end.
  • the slot 37 and the bar 36 can be omitted and for it Longitudinal ribs 7 as in the embodiment according to FIGS. 1 to 3 be provided.

Landscapes

  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Making Paper Articles (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Dowels (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The plastic end part (2) has a tubular plug section (5) pushed into the core (1). The plug has several circumferential longitudinal ribs (7) with dovetail-shaped profile. The outer flanks of the ribs are approximately radial, and preferably merge with sharp edges into a V-shaped groove. The inner free ends of the ribs merge wedge-like into the outer surface of the plug section. The plug section has a slot and an expander element is inserted into its free end. Anchoring elements project from its outer circumference.

Description

Breite Farbbänder, zum Beispiel für Telexapparate, werden üblicherweise auf Karton-Rohrkernen aufgewickelt. Um diese Kerne in einem Drucker zu lagern und anzutreiben bzw. zu bremsen, sind an beiden Enden Endteile mit einem rohrförmigen Ansatz eingesteckt. Diese bestehen aus Kunststoff. Es hat sich gezeigt, dass insbesondere unter wechselnden klimatischen Bedingungen die Endteile nicht hinreichend sicher mit dem Kern verbunden sind.Wide ribbons, for example for telex machines, are commonly used wound on cardboard tube cores. Around these cores storing and driving or braking a printer are on both ends of the end pieces are inserted with a tubular extension. These are made of plastic. It has been shown that in particular the end parts under changing climatic conditions are not connected to the core with sufficient certainty.

Eine Verbindung gemäss Oberbegriff des Anspruchs 1 ist aus der US-A-2 928 619 bekannt. In einen Karton-Rohrkern ist ein rohrförmiger Ansatz eines Endteils eingeschoben. Zur achsialen Verankerung hat der Ansatz benachbart seinem freien Ende hakenartige Vorsprünge, die im Querschnitt V-förmig sind. Diese Verbindung erlaubt nur eine beschränkte Drehmomentübertragung.A connection according to the preamble of claim 1 is known from the US-A-2 928 619. In a cardboard tube core is a tubular one Approach of an end part inserted. For axial anchoring the approach has a hook-like shape adjacent its free end Projections that are V-shaped in cross section. This connection allows only limited torque transmission.

Eine ähnliche Verbindung ist im DE-U-1 900 451 beschrieben, nur ist der Querschnitt der Vorsprünge in diesem Fall annähernd kreissegmentförmig.A similar connection is described in DE-U-1 900 451, only the cross section of the projections is approximate in this case segment of a circle.

Im DE-U-6 908 826 ist eine Verbindung von Karton-Rohrkern mit Endteil beschrieben, bei dem der rohrförmige Ansatz geschlitzt ist und in sein freies Ende eine geschlitzte, hülsenförmige Ringfeder eingeschoben ist. Auch diese Verbindung ist nur für eine begrenzte Drehmomentübertragung geeignet.In DE-U-6 908 826 a connection of the cardboard tube core with End part described, in which the tubular extension slotted is and in its free end a slotted, sleeve-shaped Ring spring is inserted. This connection is only for limited torque transmission is suitable.

Aus der US-A-5 628 475 ist eine Verbindung bekannt, bei welcher drei Winkelhebel in Längsschlitzen des Ansatzes des Endteils um Achsen benachbart einem Flansch des Endteils schwenkbar sind. From US-A-5 628 475 a compound is known in which three angle levers in the longitudinal slots of the neck of the end part Axes adjacent a flange of the end part are pivotable.

Der etwa parallel verlaufende Arm der Hebel hat aussen Längsrippen. Der zweite, radial gerichtete Arm wird bei achsialem Druck auf das Endteil gegen das Rohrende gepresst, so dass die Längsrippen gegen die Innenwand des Rohres angepresst werden. Diese Verbindung funktioniert nur solange der achsiale Druck aufrechterhalten bleibt.The approximately parallel arm of the levers has longitudinal ribs on the outside. The second, radially directed arm is at axial pressure pressed onto the end part against the pipe end so that the longitudinal ribs be pressed against the inner wall of the pipe. This Connection only works as long as the axial pressure is maintained remains.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Verbindung eines Endteils mit einem Karton-Rohrkern anzugeben, welche die obigen Nachteile nicht aufweist. Diese Aufgabe wird durch die Merkmalskombination der Ansprüche gelöst. Nachfolgend werden Ausführungsbeispiele der Erfindung anhand der Zeichnungen erläutert. Darin zeigt:

Figur 1
Einen Achsialschnitt durch eine erste Ausführungsform,
Figur 2
eine Stirnansicht des Lagerteils,
Figur 3
eine Seitenansicht eines Teils des Lagerteils, und
Figuren 4 und 5
zwei weitere Ausführungsformen.
The present invention has for its object to provide a connection of an end part with a cardboard tube core, which does not have the above disadvantages. This object is achieved by the combination of features of the claims. Exemplary embodiments of the invention are explained below with reference to the drawings. It shows:
Figure 1
An axial section through a first embodiment,
Figure 2
an end view of the bearing part,
Figure 3
a side view of part of the bearing part, and
Figures 4 and 5
two other embodiments.

Die Ausführungsform nach Figuren 1 bis 3 besteht aus einem kreiszylindrischen Karton-Rohrkern 1 und beidseits darin eingesteckten Lagerteilen 2. Das Lagerteil 2 hat einen Flansch 3, der an einer Stirnfläche 4 des Kerns 1 anliegt und einen rohrförmigen Ansatz 5, welcher in den Kern 1 eingeschoben ist. Eines der beiden Lagerteile 2 der Aufwickelspule hat ausserdem ein koaxiales Zahnrad 6 angeformt. Über den Umfang gleichmässig verteilt erstrecken sich über etwa die Hälfte der Länge ausgehend vom Flansch 3 im Querschnitt schwalbenschwanzförmige Längsrippen 7, die am freien Ende keilförmig in die Aussenfläche 8 des Ansatzes 5 verlaufen. Die Aussenflanken 9 der Längsrippen 7 sind annähernd radial gerichtet und gehen scharfkantig in die V-förmige Nut 10 über. Damit sind Lagerteil 2 und Kern 1 drehfest miteinander verbunden. In Verlängerung dieser Rippen 7 sind an der Aussenfläche 8 hakenartige oder sägezahnförmige Vorsprünge 11 angeformt. Die steile Flanke des Zahns 12 ist gegen den Flansch 3 gerichtet. Nach der Montage verkeilen sich die Vorsprünge 11 im Kern 1. Damit wird ein dauerhafter Halt des Lagerteils 2 im Kern 1 erreicht.The embodiment according to Figures 1 to 3 consists of a circular cylindrical cardboard tube core 1 and inserted therein on both sides Bearing parts 2. The bearing part 2 has a flange 3 which abuts an end face 4 of the core 1 and a tubular Approach 5, which is inserted into the core 1. One of the both bearing parts 2 of the take-up spool also has a coaxial Gear 6 molded. Evenly distributed over the circumference extend about half the length from Flange 3 in cross section dovetail-shaped longitudinal ribs 7, the wedge-shaped at the free end in the outer surface 8 of the approach 5 run. The outer flanks 9 of the longitudinal ribs 7 are approximately radially directed and go sharp-edged into the V-shaped Groove 10 over. So that bearing part 2 and core 1 are rotatably with each other connected. In extension of these ribs 7 are on the Outer surface 8 hook-like or sawtooth-shaped projections 11 molded. The steep flank of tooth 12 is against the flange 3 directed. After assembly, the projections 11 wedge in the core 1. So that a permanent hold of the bearing part 2 in Core 1 reached.

Bei der Ausführungsform nach Figur 4 sind die Rippen 7 durchgehend. Der Ansatz 5 hat über den Umfang verteilt mehrere Längsschlitze 16. In das freie Ende des Ansatzes 5 ist ein Spreizelement 17 in Form einer Hülse 18 mit einem Deckel 19 eingeschoben. Damit wird das freie Ende des Ansatzes 5 etwas gespreizt. Versuche haben ergeben, dass insbesondere nach einigen Wochen Lagerzeit damit eine hinreichend starre Verbindung zwischen Lagerelement 2 und Kern 1 in Achsrichtung erreicht wird, weil sich die etwas gespreizten freien Enden 20 der Rippen 7 im Karton des Kerns 1 setzen.In the embodiment according to FIG. 4, the ribs 7 are continuous. The approach 5 has several longitudinal slots distributed over the circumference 16. In the free end of the approach 5 is an expansion element 17 inserted in the form of a sleeve 18 with a cover 19. So that the free end of approach 5 is spread slightly. tries have shown that especially after a few weeks of storage thus a sufficiently rigid connection between the bearing element 2 and core 1 is reached in the axial direction because the somewhat spread free ends 20 of the ribs 7 in the box of Set core 1.

Bei der Ausführungsform nach Figur 5 hat der Ansatz 5 einen Längsschlitz 25. In den Ansatz 5 ist ein doppelarmiger Hebel 26 eingeschoben, der um eine Achse 27 schwenkbar ist. Der eine, längere Hebelarm 28, ragt im nicht montierten Zustand benachbart dem Flansch 3 über die Aussenfläche 10 mit einer zur Achse des Ansatzes geneigten Fläche 29 vor. Der kürzere Hebelarm 30 ist hakenförmig. Unmittelbar bevor der Flansch 3 zur Anlage an die Stirnfläche 4 gelangt, wird der Arm 28 eingedrückt und der Hebel 26 in Pfeilrichtung verschwenkt, so dass der Haken 31 des Arms 30 in den Kern 1 eindringt. Damit ist wiederum eine sichere Verbindung erreicht. An einer Stelle des Umfangs hat der Kern 1 ausgehend von der Stirnfläche 4 einen Längsschlitz 37. In diesen greift eine am Ansatz 5 angeformte Mitnehmerleiste 36 ein, die an ihrem inneren Ende leicht keilförmig ausgebildet ist. Damit wird eine sichere drehfeste Verbindung erreicht. Der Schlitz 37 und die Leiste 36 können jedoch auch weggelassen und dafür Längsrippen 7 wie bei der Ausführungsform nach Figuren 1 bis 3 vorgesehen werden.In the embodiment of Figure 5, the approach 5 has one Longitudinal slot 25. In the approach 5 is a double-armed lever 26 inserted, which is pivotable about an axis 27. The one, longer lever arm 28 protrudes adjacent in the unmounted state the flange 3 over the outer surface 10 with one to the axis of Approach inclined surface 29 before. The shorter lever arm 30 is hook-shaped. Immediately before the flange 3 to contact the End face 4 arrives, the arm 28 is pressed in and the lever 26 pivoted in the direction of the arrow, so that the hook 31 of the arm 30 penetrates into the core 1. This in turn is a secure connection reached. At one point on the circumference, the core has 1 starting from the end face 4 a longitudinal slot 37. In this engages a driver strip 36 formed on the extension 5, the is slightly wedge-shaped at its inner end. In order to a secure, non-rotatable connection is achieved. The slot 37 and the bar 36 can be omitted and for it Longitudinal ribs 7 as in the embodiment according to FIGS. 1 to 3 be provided.

Claims (6)

  1. A connection between an end part (2) and a tubular cardboard core (1), wherein a tubular extension (5) of the end part (2) is inserted into the core (1), characterised in that the extension (5), starting from its outer end, has a number of longitudinal ribs (7) having a dovetail cross-section and distributed over the periphery.
  2. A connection according to claim 1, wherein the outer flanks (9) of the longitudinal ribs (7) extend approximately radially and preferably have a sharp edge merging into a V-shaped groove (10), wherein the longitudinal ribs (7) at the inner free end extend in a wedge shape into the outer surface (8) of the extension (5).
  3. A connection according to claim 1 or 2, wherein the extension (5) does not have a slot but has a number of peripherally distributed hooked projections (11) disposed in prolongation of the longitudinal ribs (7) and, in the immediate neighbourhood of their preferably radially extending flank facing the core end, said projections preferably have the same cross-section as the longitudinal ribs (7).
  4. A connection according to claim 1, wherein the extension (5) is slotted and an expanding element (17) is inserted into its free end and wherein anchoring elements (7, 20) project from the outer periphery of the extension (5).
  5. A connection according to claim 4, wherein the anchoring elements are parts of the longitudinal ribs (7).
  6. A connection according to claim 1 or 2, wherein the extension (5) has a longitudinal slot (25) in which a double-armed pivotable lever (26) engages, and the first arm (28) of the lever in the basic position adjacent the flange (3) projects beyond the outer periphery (10) of the extension (5) by a surface (29) at an angle to the axis of the extension (5) whereas the second arm (30) of the lever has a hook (31) which projects beyond the outer periphery of the extension (5) when the first arm (28) is pressed in.
EP98810466A 1997-06-02 1998-05-20 Securing an end flange to a cardboard core Expired - Lifetime EP0882667B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19723076A DE19723076C2 (en) 1997-06-02 1997-06-02 Connection of an end part to a cardboard tube core
DE19723076 1997-06-02

Publications (2)

Publication Number Publication Date
EP0882667A1 EP0882667A1 (en) 1998-12-09
EP0882667B1 true EP0882667B1 (en) 2001-12-05

Family

ID=7831178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810466A Expired - Lifetime EP0882667B1 (en) 1997-06-02 1998-05-20 Securing an end flange to a cardboard core

Country Status (5)

Country Link
US (1) US5997195A (en)
EP (1) EP0882667B1 (en)
AT (1) ATE210066T1 (en)
CA (1) CA2239236A1 (en)
DE (2) DE19723076C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9817292D0 (en) 1998-08-07 1998-10-07 Nokia Mobile Phones Ltd Digital video coding
US6874958B1 (en) * 2004-02-20 2005-04-05 Zih Corp. Portable printer with spindle members for rotationally mounting media rolls of different core diameters
US7780112B2 (en) * 2004-04-01 2010-08-24 Maurice Granger Lock mechanism for a dispenser, roll of material and end plug therefor, and method for inserting a roll of material into such lock mechanism
FR2868407B1 (en) * 2004-04-01 2021-10-01 Maurice Granger RETAINER FOR WIPING MATERIAL COIL ON A WIPING MATERIAL DISPENSER
DE202005021166U1 (en) * 2005-12-07 2007-06-06 Sca Hygiene Products Ab End stop for rolls of e.g. paper towels, fits into roll core and has a pin on free side which fits into dispenser arm, locking surface on pin fitting into recess on inside of arm, surface being at angle of 117 - 141 degrees to axis of pin
WO2007067106A1 (en) * 2005-12-07 2007-06-14 Sca Hygiene Products Ab Supply package for use in an apparatus for dispensing sheet material and an apparatus for dispensing sheet material
FR2909649B1 (en) * 2006-12-11 2009-07-03 Maurice Granger DISPOSABLE TOOL FOR WIPING MATERIAL COIL AND WIPING MATERIAL DISPENSER RECEIVING SUCH A TIP

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1672167A (en) * 1926-03-01 1928-06-05 Mossberg Pressed Steel Corp Spool
US1919769A (en) * 1931-08-07 1933-07-25 Robert J Brown Core plug
US1925042A (en) * 1932-03-02 1933-08-29 George H Bird Spool
US1999765A (en) * 1934-04-14 1935-04-30 Laveau Angeline Spool
US2928619A (en) * 1955-10-10 1960-03-15 Crown Zellerbach Corp Supply roll support and coupling device
DE1211529B (en) * 1962-07-10 1966-02-24 Joenkoeping Vulcan Ab Wooden bung for paper rolls
DE1900451U (en) * 1964-04-24 1964-09-10 Agfa Ag REEL FOR STRIPED MATERIAL.
DE1900451A1 (en) * 1969-01-04 1970-08-20 Ludwig Golez Safety clasp for jewelry chains, bracelets, watch pendants, belts and the like.
DE6908826U (en) * 1969-03-04 1969-08-21 Hartmann & Braun Ag WINDING DEVICE FOR REGISTRATION STRIPES
US3770221A (en) * 1971-10-22 1973-11-06 M Stern Brake accessory for rolls of toilet paper and the like
DE68907832T2 (en) * 1988-08-23 1994-02-24 Tokyo Electric Co Ltd Spool holder.
BE1006202A3 (en) * 1992-10-29 1994-06-07 American Biltrite Inc Adapter FOR THE CONFIRMATION AND LOCKING-FREE ROTARY replacement roll.
US5628475A (en) * 1996-02-01 1997-05-13 Warnaar; Dirk B. Clamping arrangement for hollow objects with an end face

Also Published As

Publication number Publication date
DE59802294D1 (en) 2002-01-17
US5997195A (en) 1999-12-07
DE19723076A1 (en) 1998-12-03
DE19723076C2 (en) 2000-01-20
ATE210066T1 (en) 2001-12-15
CA2239236A1 (en) 1998-12-02
EP0882667A1 (en) 1998-12-09

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