GB2229161A - Bobbin - Google Patents
Bobbin Download PDFInfo
- Publication number
- GB2229161A GB2229161A GB8928192A GB8928192A GB2229161A GB 2229161 A GB2229161 A GB 2229161A GB 8928192 A GB8928192 A GB 8928192A GB 8928192 A GB8928192 A GB 8928192A GB 2229161 A GB2229161 A GB 2229161A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bobbin
- machine
- locking groove
- bobbin according
- arresting
- 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.)
- Granted
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
Landscapes
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Ropes Or Cables (AREA)
- Manufacture Of Motors, Generators (AREA)
- Windings For Motors And Generators (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Description
1 1 - MACHINE BOBBIN The invention relates to a machine bobbin for use in
stranding machines, drawing machines, winding machines and the like for winding an and unwinding wires, cables, stranded wires or other stranding material, preferably of metal.
At the present time there is a requirement an the part of the spinning or winding-on industry for machine bobbins to be a=anged within stranding machines on perpendicular receiving mandrels or pegs, such a technical level being attained that even very thin wires as are used in the production of steel cord can be processed on machine bobbins with a capacity of more than 20 to 30 kg.
It is no longer possible for the change operation and in particular the operation of fitting the fUll bobbins into the machine to be carried out by hand; special handling devices, that is to say charging equipment, are required. Linked thereto are particular technological and structural requirements in regard to the necessary charging equipment and also the machine bobbins themselves, while particular attention is to be directed to positively fixing the machine bobbins by means of suitable charging devices.
Ge= m Utility Model No. 73 12 927 discloses a bobbin consisting of a cylindrical portion and two flanges which are secured thereto. The fact that the bobbin bore is of a cylindrical and smooth configuration means that it is possible readily to envisage transportation by means of a suitable charging device in a horizontal position, in which respect precise fixing and locking is required on both ends.
A disadvantage with that bobbin however is that it does not appear to be suitable for transportation in a vertical position while maintaining working protection and ensuring that it is precisely mounted in positim. Positive fixing and a locking action are absolutely necessary for the vertical transportation of heavy machine bobbins.
The sc-rm applies in regard to the proposal for a bobbin in accordance with Gennan published specification (DE-AS) No 25 32 156, which is provided at each of its two ends with two bores of different diarneters
2 and which permits fixing of the bobbin in a horizontal position by mans of spreading mandrels or pegs or conical mandrels or pegs. In that case also it is only possible to provide for force-lockingly fixing the bobbin, and thus perpendicular transportation cannot be effected under the aboveindicated conditions.
An aim of the invention is to enlarge the area of use of machine bobbins and to ensure precise charging of stranding machines with machine bobbins in a perpendicular arrangement and working protection in the charging operation.
The invention is based on the problem of developing a machine bobbin which can be positively picked up in a perpendicular arrangement by mans of a suitable charging or loading device and which complies with all conditions for it to be precisely mounted, fixed and locked in position during the most widely varying situations of use as in stranding machines, drawing machines, winding machines and the like.
In accordance with the invention the cylindrical bobbin bore in each machine bobbin comprises two portions I and II which are functionally separated from each other and between which is arranged a trapezoidal locking groove, and the trapezoidal groove has an arresting chamfer with an angle o preferably of 30 to 450 relative to a radial plane.
The function of the invention is described hereinafter.
The above-indicated machine bobbin according to the invention is suitable for meting all requirements during the most widely varying situations of use. By virtue of the _two-part configuration of the cylindrical bobbin bore, the bobbin can be used in drawing machines, winding machines and the like. A respective predetermined portion I is provided for mounting in the stranding machine. The locking groove is provided for the necessary charging or loading device, in which respect the pick-up or mounting operation is effected from above and suitable cLmping claws, engage into the locking groove in order thereby to provide a positive locking engagement. The arresting bevel with an angle or of 30 to 45 ensures easy and proper operation of the charging device, in 3 particular when releasing the connection between the bobbin and the charging device.
The invention is described in greater detail by means of an embodiment which is given by way of example. The drawing is a view in section of a machine bobbin.
The machine bobbin 1 shown in the drawing comprises the bobbin core 2 with the cylindrical bobbin bore 3 and the bobbin flanges 4 which are disposed at the ends. The bobbin bore 3 also c=prises two portions I and II which are functionally separated fran each other and between which is disposed a trapezoidal locking groove 5. It is provided at its ends with insertion chamfers 6. The locking groove 5 in turn has an arresting bevel 7 with an angle C of 30 to 45 and portions I and II have the same diameter.
The advantages arising out of this invention are that a machine bobbin was developed, which can be positively picked up in a vertical position by a suitable charging device and which meets all the requirements for it to be precisely picked up, fixed, locked, transported and set down, during the most widely varying situations of use.
The invention thus also extends to a method of transporting the bobbin to a stranding, drawing or winding machine in which it is carried vertically by a charging device having clamping means which engage the locking groove.
An apparatus for charging stranding machines, with which bobbins of the invention may be used, is described in our copending UK Patent Application No. (Ref: N 531 7 RTT) filed on even date herewith.
4
Claims (5)
1. A machine bobbin provided with a cylindrical bore with an insertion chamfer arranged at the or each end, wherein the cylindrical bobbin bore comprises two portions r'aW n which are functionally separated from each other and between which is disposed a trapezoidal locking groove and the locking groove has an arresting bevel.
2. A bobbin according to claim 1, wherein the arresting bevel has an angle o( of 30 to 451 relative to a radial plane.
3. A bobbin according to claim 1 or 2, wherein the two portions are of the same diameter.
4. A bobbin according to claim 1 substantially as described with reference to the drawing.
5. A method of transporting a bobbin according to any preceding claim to a stranding, drawing or winding machine in which it is carried vertically by a charging device having clamping means which engage the locking groove.
PubIlshed 1 99D at The Patent Office. State House. 66 71 High Holborn. London WC1R 4TP. Purther copies maybe obtainedfrom The Patentoffice Wes Branch, St Mary Cray. Orpington, Kent BRS 3RD. Printed by Multiplex techniques ltd. St Mary Cray. Kent, Con. V87
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD89326527A DD284366A7 (en) | 1989-03-13 | 1989-03-13 | MACHINE COIL |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8928192D0 GB8928192D0 (en) | 1990-02-14 |
| GB2229161A true GB2229161A (en) | 1990-09-19 |
| GB2229161B GB2229161B (en) | 1993-02-17 |
Family
ID=5607680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8928192A Expired - Fee Related GB2229161B (en) | 1989-03-13 | 1989-12-13 | Bobbin |
Country Status (6)
| Country | Link |
|---|---|
| CZ (1) | CZ643289A3 (en) |
| DD (1) | DD284366A7 (en) |
| DE (1) | DE3933859A1 (en) |
| GB (1) | GB2229161B (en) |
| HU (1) | HU205398B (en) |
| IT (1) | IT1236796B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB613641A (en) * | 1946-06-24 | 1948-12-01 | Leslie Frank Astell | Improvements relating to bobbins |
| GB862792A (en) * | 1958-12-17 | 1961-03-15 | Michelin Italiana Spa | Improvements in or relating to spools for wires and wire strands |
| GB1066396A (en) * | 1964-07-06 | 1967-04-26 | M Scaglia S P A | A method for securing the flanges to tube of bobbins having a compound structure, for the winding of yarns, and in particular of yarns spun from man-made fibres, and bobbins manufactured by said method |
| US4039156A (en) * | 1975-09-05 | 1977-08-02 | Spin Physics, Inc. | Reel |
-
1989
- 1989-03-13 DD DD89326527A patent/DD284366A7/en not_active IP Right Cessation
- 1989-10-11 DE DE3933859A patent/DE3933859A1/en not_active Withdrawn
- 1989-10-25 HU HU895439A patent/HU205398B/en not_active IP Right Cessation
- 1989-11-14 CZ CS896432A patent/CZ643289A3/en unknown
- 1989-11-17 IT IT02241989A patent/IT1236796B/en active IP Right Grant
- 1989-12-13 GB GB8928192A patent/GB2229161B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB613641A (en) * | 1946-06-24 | 1948-12-01 | Leslie Frank Astell | Improvements relating to bobbins |
| GB862792A (en) * | 1958-12-17 | 1961-03-15 | Michelin Italiana Spa | Improvements in or relating to spools for wires and wire strands |
| GB1066396A (en) * | 1964-07-06 | 1967-04-26 | M Scaglia S P A | A method for securing the flanges to tube of bobbins having a compound structure, for the winding of yarns, and in particular of yarns spun from man-made fibres, and bobbins manufactured by said method |
| US4039156A (en) * | 1975-09-05 | 1977-08-02 | Spin Physics, Inc. | Reel |
Also Published As
| Publication number | Publication date |
|---|---|
| HUT54743A (en) | 1991-03-28 |
| GB8928192D0 (en) | 1990-02-14 |
| HU205398B (en) | 1992-04-28 |
| IT1236796B (en) | 1993-04-02 |
| IT8922419A1 (en) | 1991-05-17 |
| GB2229161B (en) | 1993-02-17 |
| DD284366A7 (en) | 1990-11-14 |
| IT8922419A0 (en) | 1989-11-17 |
| HU895439D0 (en) | 1990-01-28 |
| DE3933859A1 (en) | 1990-09-20 |
| CZ643289A3 (en) | 1996-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19941213 |