WO1993020903A1 - Verfahren zum herstellen einer bespannungssaite in lieferform für ballschläger, insbesondere tennisschläger - Google Patents
Verfahren zum herstellen einer bespannungssaite in lieferform für ballschläger, insbesondere tennisschläger Download PDFInfo
- Publication number
- WO1993020903A1 WO1993020903A1 PCT/AT1993/000063 AT9300063W WO9320903A1 WO 1993020903 A1 WO1993020903 A1 WO 1993020903A1 AT 9300063 W AT9300063 W AT 9300063W WO 9320903 A1 WO9320903 A1 WO 9320903A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- string
- carrier
- raw
- length
- wound
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B51/00—Stringing tennis, badminton or like rackets; Strings therefor; Maintenance of racket strings
- A63B51/02—Strings; String substitutes; Products applied on strings, e.g. for protection against humidity or wear
-
- 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
Definitions
- the invention relates to a method for producing a string in the form of delivery for ball rackets, in particular tennis rackets, in which the string - to condition it for the stringing process - is applied to a carrier spool under tension and at least substantially constant in length there .
- a method of this type is known from O-Al-86/02850.
- the raw string is drawn off from a supply drum braked with a defined torque under tension, and at this tension, which produces an elongation in the string in the range of 5 to 15%, in the length required for the tensioning process onto the carrier reel wound up.
- the invention seeks to remedy this.
- the invention as characterized in the claims, achieves the object of specifying a method of the type mentioned in the introduction in which a pretension that is more uniform over the string length is achieved than in the known methods mentioned.
- Figure 1 shows a carrier coil in a partial view perpendicular to the coil axis in elevation.
- Figure 2 shows this carrier coil in a crack parallel to the coil axis.
- FIG. 3 shows detail A of the carrier coil (see FIG. 2), but now in the wound state
- FIGS. 4-8 show a schematic representation of an apparatus for carrying out the method according to the invention in five different phases of the method sequence
- Fig. 9 is a plan view of the device mentioned, which is intended for the simultaneous conditioning of two strings.
- a carrier coil 1 (see FIGS. 1 to 3) has a convex, circular cylindrical surface 2 which is delimited on both sides by coil walls 3, 4. On one of the two coil walls 3, a slot 5 is provided for fastening one of the ends of the string section 7 to be applied to the carrier spool 1.
- a nose-shaped projection 8 is provided with a device 9 for fastening the second string end, the detailed design and mode of operation of which will be explained below.
- 3 also shows the string section 7 applied as a winding.
- the device consists of a frame 11 with a slide guide 12 in which a carrier coil slide 13 can be adjusted in the horizontal direction.
- a rotatable receiving mandrel 15 is provided by means of a controllable drive 14 (see FIG. 9), on which two carrier coils 1 can be accommodated simultaneously.
- a fixing device 16 with a pressure beam 17 and a Sai ten Entry 18 is arranged.
- the device also includes two storage drums 20 for the raw strings 19.
- the slide 13 assumes its right end position. The operator is also at this end of the device. First, two empty carrier coils 1 are attached to the mandrel 15 by him, which is secured against rotation in this phase. Thereafter, di ends 6 of the two raw strings 20 drawn from the supply drums 20 are pulled through the opening 21 of the fixing device 16 and - each provided with an end node 10 - fixed in the slots 5 of the respective carrier coils 1. This phase of the process is shown in FIG. 4. The carrier spool carriage 13 is then moved to the left (see FIG. 5) to its left end position, one raw string 19 of a length 1 of 11 m from each of the two storage drums, that being the length of the string piece to be conditioned. is subtracted. The adjustment movement of the slide 13 is advantageously carried out by means of a rack and pinion drive with a drive unit (not shown) arranged on the slide 13.
- the pressure bar 17 of the fixing device 16 is now lowered and the strings of tension strings 7 that have been pulled off are thus held between the carrier coils 1 and the fixing device 16 (see FIG. 6).
- a force indicated by the arrow 22 is e.g. applied over a period of 30 s in such a way that, after this time, it generates a predetermined stretch in the stringing strings 7 stretched between the carrier coils 1 and the string guide 18, which advantageously has a value in the range from 5 to 15%.
- the carriage 13 is moved into its right-hand end position as quickly as possible (e.g. in 12 s) with the corresponding mandrel 15 using the holding mandrel 15 or winding the string sections 7 (for example, in 12 s) (see Fig 7).
- the carrier spools are wound in two layers.
- the end 23 of the string is then - as explained with reference to FIG. 3 - fixed to the carrier coil 1 while under tension (see FIG. 8).
- the nose-shaped projection 8 of the fixing device 9 used for this purpose has a bore 24 which is connected to the upper side 26 of the projection 8 by a longitudinal slot 25.
- the two ready-coated carrier coils 1 are removed from the mandrel 15 and replaced by two empty ones.
- the method according to the invention initially has the advantage that the string is applied to the carrier spool with a pretension that remains constant over its length. Except that - supervised by only one operator, who does not have to change his position at the right end position of the carriage 1 - several carrier coils 1 are simultaneously wounded, resulting in a high productivity of the method.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Winding Of Webs (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Ropes Or Cables (AREA)
- Tyre Moulding (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT93907636T ATE129646T1 (de) | 1992-04-09 | 1993-04-07 | Verfahren zum herstellen einer bespannungssaite in lieferform für ballschläger, insbesondere tennisschläger. |
EP93907636A EP0589010B1 (de) | 1992-04-09 | 1993-04-07 | Verfahren zum herstellen einer bespannungssaite in lieferform für ballschläger, insbesondere tennisschläger |
US08/157,083 US5454525A (en) | 1992-04-09 | 1993-04-07 | Process for producing a ready-to-use racquet string, especially for tennis racquets |
DE59300851T DE59300851D1 (de) | 1992-04-09 | 1993-04-07 | Verfahren zum herstellen einer bespannungssaite in lieferform für ballschläger, insbesondere tennisschläger. |
JP5517839A JPH06508542A (ja) | 1992-04-09 | 1993-04-07 | 即用できる球技用の弦、特にテニスラケット用のガットの製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA747/92 | 1992-04-09 | ||
AT0074792A AT400002B (de) | 1992-04-09 | 1992-04-09 | Verfahren zum herstellen einer bespannungssaite in lieferform für ballschläger, insbesonderetenniss läger |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993020903A1 true WO1993020903A1 (de) | 1993-10-28 |
Family
ID=3498744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT1993/000063 WO1993020903A1 (de) | 1992-04-09 | 1993-04-07 | Verfahren zum herstellen einer bespannungssaite in lieferform für ballschläger, insbesondere tennisschläger |
Country Status (8)
Country | Link |
---|---|
US (1) | US5454525A (de) |
EP (1) | EP0589010B1 (de) |
JP (1) | JPH06508542A (de) |
AT (2) | AT400002B (de) |
AU (1) | AU3817493A (de) |
DE (1) | DE59300851D1 (de) |
ES (1) | ES2079970T3 (de) |
WO (1) | WO1993020903A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0416253D0 (en) * | 2004-07-20 | 2004-08-25 | Unilever Plc | Fluid cosmetic dispenser |
US8888616B2 (en) * | 2012-02-29 | 2014-11-18 | Stringadvantage Tennis, Llc | Method and device for controlling elongation of racquet strings |
US10818275B2 (en) * | 2018-03-13 | 2020-10-27 | Ernie Ball, Inc. | System for preparing musical instrument strings |
US11666963B1 (en) * | 2022-12-21 | 2023-06-06 | Joseph Anthony Zarola | Guitar string stretching assembly |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE510390C (de) * | 1927-08-04 | 1930-10-20 | Dunlop Rubber Co | Verfahren zur Behandlung von Saiten, Schnueren oder aehnlichen Langkoerpern |
US2338848A (en) * | 1942-10-07 | 1944-01-11 | Western Electric Co | Tension controlling apparatus |
WO1986002850A1 (fr) * | 1984-11-09 | 1986-05-22 | Isosport Verbundbauteile Ges.M.B.H. | Procede de fabrication d'une corde pour raquette, corde obtenue par ce procede et procede pour corder une raquette avec cette corde |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US49861A (en) * | 1865-09-12 | Improvement | ||
US2142160A (en) * | 1936-03-02 | 1939-01-03 | Joseph D Swoyer | Process of treating kapok |
US2559780A (en) * | 1949-11-25 | 1951-07-10 | Martinson Peter | Artificial lure and leader protector and holder |
US3750968A (en) * | 1967-12-26 | 1973-08-07 | Okazaki Manuf Co | Article winding device |
US4155973A (en) * | 1976-07-19 | 1979-05-22 | Klein Gerald B | Process for the manufacture of a tapered leader |
US4715557A (en) * | 1987-02-11 | 1987-12-29 | The United States Of America As Represented By The Secretary Of The Air Force | Wire container |
US4938432A (en) * | 1989-04-12 | 1990-07-03 | Cooper Industries, Inc. | Cable spool with integral end storage flange |
-
1992
- 1992-04-09 AT AT0074792A patent/AT400002B/de not_active IP Right Cessation
-
1993
- 1993-04-07 WO PCT/AT1993/000063 patent/WO1993020903A1/de active IP Right Grant
- 1993-04-07 EP EP93907636A patent/EP0589010B1/de not_active Expired - Lifetime
- 1993-04-07 US US08/157,083 patent/US5454525A/en not_active Expired - Fee Related
- 1993-04-07 ES ES93907636T patent/ES2079970T3/es not_active Expired - Lifetime
- 1993-04-07 JP JP5517839A patent/JPH06508542A/ja active Pending
- 1993-04-07 AT AT93907636T patent/ATE129646T1/de not_active IP Right Cessation
- 1993-04-07 AU AU38174/93A patent/AU3817493A/en not_active Abandoned
- 1993-04-07 DE DE59300851T patent/DE59300851D1/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE510390C (de) * | 1927-08-04 | 1930-10-20 | Dunlop Rubber Co | Verfahren zur Behandlung von Saiten, Schnueren oder aehnlichen Langkoerpern |
US2338848A (en) * | 1942-10-07 | 1944-01-11 | Western Electric Co | Tension controlling apparatus |
WO1986002850A1 (fr) * | 1984-11-09 | 1986-05-22 | Isosport Verbundbauteile Ges.M.B.H. | Procede de fabrication d'une corde pour raquette, corde obtenue par ce procede et procede pour corder une raquette avec cette corde |
Also Published As
Publication number | Publication date |
---|---|
EP0589010A1 (de) | 1994-03-30 |
DE59300851D1 (de) | 1995-12-07 |
ATA74792A (de) | 1995-01-15 |
AU3817493A (en) | 1993-11-18 |
US5454525A (en) | 1995-10-03 |
ATE129646T1 (de) | 1995-11-15 |
AT400002B (de) | 1995-09-25 |
EP0589010B1 (de) | 1995-11-02 |
JPH06508542A (ja) | 1994-09-29 |
ES2079970T3 (es) | 1996-01-16 |
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