EP0004661B1 - Bobine à flancs - Google Patents

Bobine à flancs Download PDF

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Publication number
EP0004661B1
EP0004661B1 EP19790101004 EP79101004A EP0004661B1 EP 0004661 B1 EP0004661 B1 EP 0004661B1 EP 19790101004 EP19790101004 EP 19790101004 EP 79101004 A EP79101004 A EP 79101004A EP 0004661 B1 EP0004661 B1 EP 0004661B1
Authority
EP
European Patent Office
Prior art keywords
bobbin
thread
groove
hub
sewing machine
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
Application number
EP19790101004
Other languages
German (de)
English (en)
Other versions
EP0004661A1 (fr
Inventor
Klaus Hampel
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.)
Duerkoppwerke GmbH
Original Assignee
Duerkoppwerke GmbH
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 Duerkoppwerke GmbH filed Critical Duerkoppwerke GmbH
Publication of EP0004661A1 publication Critical patent/EP0004661A1/fr
Application granted granted Critical
Publication of EP0004661B1 publication Critical patent/EP0004661B1/fr
Expired 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
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
    • 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
    • B65H75/28—Arrangements for positively securing ends of 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • 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
    • B65H2701/5134—Metal elements
    • B65H2701/51342—Moulded metal 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
    • B65H2701/51—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 invention relates to a disk bobbin for receiving a thread package according to the preamble of claim 1 ' .
  • the invention is based on the technical problem of simplifying the introduction and fixing of the starting thread in an annular groove of the hub of a lower thread spool.
  • the coil is designed in a special way and the annular groove is arranged accordingly, as defined in the following main claim.
  • Subclaims relate to advantageous embodiments of the invention.
  • the invention solves the technical problem in a particularly advantageous manner. It enables the monofilament yarn threads, which are sewn many times these days, to be fastened to the bobbin safely and quickly.
  • This type of yarn is known to have a high elongation of up to 35 percent and one end of the thread tends to suddenly "jump", so that it was previously time-consuming and required practice to securely fix such a thread in an annular groove of the bobbin.
  • the accompanying drawing represents the spool according to the invention, which is made of any suitable material, e.g. made of steel, aluminum or plastic, can be produced by conventional manufacturing methods, in a half-sectional view.
  • the hub 1 with the bore 2 for receiving the bobbin on the spindle of a known winding device on the sewing machine connects the side windows 3 and 3 ', which the winding space limit laterally outside the hub 1.
  • the side window 3 ' has the usual radial locking groove 5, which cooperates in a known manner with a pin on a spindle of a bobbin device, not shown, on the sewing machine for the purpose of latching the bobbin during the winding process.
  • the coil of this embodiment is provided with two annular grooves 4 and 4 'arranged in the region of the side disks 3 and 3' and the circumferential surface of the hub 1 is directed obliquely from the center of the hub towards the annular grooves 4 and 4 ', the angle of inclination of both slopes to the horizontal is about 10 degrees.
  • the groove width of the ring groove 4 or 4 ' is expediently such that some yarn windings can be wound relatively tightly next to one another, which then cause self-clamping in the groove due to their enlarged cross-section with decreasing tightening, which occurs at the end of the thread with the winding almost empty easily releases again.
  • the groove surface can be spherical or have only a bevel over its entire circumference, which leads into a single groove.
  • the spool according to the invention contributes to the rationalization of sewing processes.

Landscapes

  • Sewing Machines And Sewing (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Claims (3)

1. La canette à disque, pour le fil inférieur d'une machine à point noué, est pourvue d'une rainure de maintien pour le début du fil inférieur, avant le processus d'enroulement, sur le dévidoir de la machine à coudre. La canette est facilement reconnaissable par sa rainure circulaire, dans le moyeu (1) près d'un disque latéral (3,3') pour le logement du bout du fil et par la surface périphérique du moyeu (1) qui présente une forme inclinée, en direction de la rainure circulaire.
2. La canette du fil inférieur, suivant revendication n° 1, est facilement reconnaissable par les rainures circulaires (4,4') se trouvant dans la zone des disques latéraux de la canette (3,3'). De plus, la surface périphérique du moyeu (1) en partant du milieu, présente une forme inclinée, en direction des rainures circulaires (4,4').
3. La canette pour le fil inférieur, suivant revendication n° 2, est facilement reconnaissable par le fait que la surface périphérique du moyeu (1) a une forme bombée.
EP19790101004 1978-04-06 1979-03-31 Bobine à flancs Expired EP0004661B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2814842 1978-04-06
DE19782814842 DE2814842C2 (de) 1978-04-06 1978-04-06 Fadenspule

Publications (2)

Publication Number Publication Date
EP0004661A1 EP0004661A1 (fr) 1979-10-17
EP0004661B1 true EP0004661B1 (fr) 1981-04-08

Family

ID=6036283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790101004 Expired EP0004661B1 (fr) 1978-04-06 1979-03-31 Bobine à flancs

Country Status (2)

Country Link
EP (1) EP0004661B1 (fr)
DE (1) DE2814842C2 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1956191A (en) * 1932-03-19 1934-04-24 Chemung Engineering Corp Textile bobbin
US2262665A (en) * 1941-03-27 1941-11-11 Cavanaugh Joseph Bobbin
US2393733A (en) * 1943-10-13 1946-01-29 Western Electric Co Reel
US2437888A (en) * 1945-12-07 1948-03-16 Narki Bettie Thread case
FR1011994A (fr) * 1949-05-12 1952-07-02 Philibert Vrau & Cie Perfectionnement aux bobines de fil
GB1105022A (en) * 1965-04-12 1968-03-06 Windings Inc Winding flexible material
FR1582934A (fr) * 1968-08-21 1969-10-10
US3717315A (en) * 1970-12-02 1973-02-20 Wyrepak Ind Inc Take-apart spool for wire and the like
US3784166A (en) * 1971-12-01 1974-01-08 Terra Marine Scoop Co Inc Level wind drum

Also Published As

Publication number Publication date
DE2814842C2 (de) 1983-01-20
DE2814842A1 (de) 1979-10-11
EP0004661A1 (fr) 1979-10-17

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