EP1370722B1 - Interlocking yarn dyeing support - Google Patents

Interlocking yarn dyeing support Download PDF

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Publication number
EP1370722B1
EP1370722B1 EP02722652A EP02722652A EP1370722B1 EP 1370722 B1 EP1370722 B1 EP 1370722B1 EP 02722652 A EP02722652 A EP 02722652A EP 02722652 A EP02722652 A EP 02722652A EP 1370722 B1 EP1370722 B1 EP 1370722B1
Authority
EP
European Patent Office
Prior art keywords
section
support
holes
sleeve
yarn
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
EP02722652A
Other languages
German (de)
French (fr)
Other versions
EP1370722A1 (en
Inventor
Tiziano Romagnoli
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.)
Romagnoli Tiziano
Original Assignee
Romagnoli Tiziano
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 Romagnoli Tiziano filed Critical Romagnoli Tiziano
Publication of EP1370722A1 publication Critical patent/EP1370722A1/en
Application granted granted Critical
Publication of EP1370722B1 publication Critical patent/EP1370722B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/04—Carriers or supports for textile materials to be treated
    • D06B23/042—Perforated supports

Definitions

  • the invention relates to an improvement to dyeing supports for storing wound yarn (see for example EP-A-0 536 097 and US-A-5 178 342) which are made of synthetic material and of the type with interpenetration between stacked tubes and the sleeve of which has a bottom end section able to receive the opposite smaller-size end section of an underlying tube, said sleeve having spaced holes and, inside said bottom end section, a stop surface for resting the terminal edge of the opposite end section of a support which can be axially coupled and engaged so as to allow the axial compression and sliding of the wound turns of yam along said smaller-size section.
  • the main object of the invention is therefore to avoid the abovementioned damage to the yam wound in turns.
  • longitudinal depressions are formed on the external surface between the longitudinally aligned adjacent holes, so as to avoid possible shearing of the yarn by the edge of the bottom end section of the tube which is fitted onto said smaller-size section of the underlying tube, during interpenetration of the stacked tubes.
  • a tube-shaped dyeing support according to the invention for storing wound yam - suitable in particular for fine yarn - is of the type comprising a sleeve with three sections: a first section with a greater axial extension is substantially cylindrical or slightly frustoconical and slightly tapered from the larger base; the second middle section with a limited axial extension is frustoconical; the third section is substantially cylindrical and has an axial extension greater than the internal stop surface of the first section.
  • Said sleeve has holes which are spaced and, inside said first section, has a stop surface for resting the terminal edge of the third section of a support which can be axially coupled and interlocked so as to allow the axial compression and sliding of the spool of yarn along said third section.
  • the external surface of the third section of the sleeve of each tube-shaped support is provided with longitudinal depressions which extend between the longitudinally aligned adjacent holes; possible shearing of the yarn by the bottom edge of the tube fitted onto said third section during interlocking of stacked tubes is thus avoided.
  • the first section or bottom end section of the sleeve which is intended to receive the opposite end section of an underlying support may have an axial extension of about half the overall length of the support and the smaller-size third section may have an axial extension of not more than one third of the overall length of the support.
  • Said smaller-size third section of the sleeve has, on its external surface, longitudinal micro-grooves which may also be extended into a middle section, so as to favour sliding of the turns of yarn.
  • the holes of said smaller-size third section which are arranged in longitudinal rows, may have the holes of one row staggered with respect to those of the adjacent rows.
  • Fig. 1 shows a tube-shaped support with three sections 1, 3 and 5; the bottom section 1 has a greater diameter and is substantially cylindrical or slightly frustoconical, the middle section 3 is frustoconical and the top end section 5 is substantially cylindrical.
  • a stepped bearing surface 7 which defines a housing 8 able to receive the top end section 5 of an underlying tube-shaped support coaxial with that shown in Fig. 1, having an arrangement substantially shown in Figs. 3 and 4.
  • the upper edge 5A of the underlying tube-shaped support rests against the stop surface 7.
  • the section 1 is provided with holes 9 which, in the drawing, have a transverse orientation; the middle section 3 and the smaller-size top section 5 are provided with holes 11 and 12, respectively, arranged in longitudinal rows with the holes of one row staggered with respect to those of the adjacent rows.
  • the external surface of the tube-shaped support may have dot-like reliefs in one part at least of the section 1 and in one part at least of the section 3 which is adjacent to the section 1, in order to prevent sliding of the wound turns of yarn, while the section 5 is provided mainly with longitudinal - instead of dot-like - projections, as can be seen in the top part of Fig. 1, in order to facilitate sliding of the wound turns of yarn and thus allow compaction of the spool of yam wound on the tube-shaped support.
  • This arrangement is in fact necessary because with the positioning on top of one another and the interpenetration of tube-shaped supports completed by the turns of the spools B of yarn, the bottom edge 1 of the overlying tube-shaped support according to Figs.
  • a longitudinal depression 20 which extends from the bottom zone of the edge of a hole 12 advantageously even as far as the following hole 12.
  • the surface of the longitudinal depressions 20 may be smooth or shaped with longitudinal grooves - similar to the external surface of the zone 5 - and these depressions may have a width less than or equal to the width of the holes 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Bag Frames (AREA)

Abstract

The sleeve of the tube-shaped support has holes (12) which are spaced over the top section (5) intended to penetrate inside the bottom end section (1); the external surface of said top section (5) is provided with longitudinal depressions (20) between the adjacent holes (12) aligned longitudinally; it is thus possible to avoid shearing or damage due to pinching of the yarn by the edge (1A) of the bottom end section (1) of the support when it is fitted onto and slid along the smaller-size section (5) of an underlying tube-shaped support.

Description

The invention relates to an improvement to dyeing supports for storing wound yarn (see for example EP-A-0 536 097 and US-A-5 178 342) which are made of synthetic material and of the type with interpenetration between stacked tubes and the sleeve of which has a bottom end section able to receive the opposite smaller-size end section of an underlying tube, said sleeve having spaced holes and, inside said bottom end section, a stop surface for resting the terminal edge of the opposite end section of a support which can be axially coupled and engaged so as to allow the axial compression and sliding of the wound turns of yam along said smaller-size section.
In these interpenetrating supports, during stacking and axial compression, the bottom edge of the support fitted onto an underlying support must slide outside and around the surface of the upper section of the underlying support and must compress the yam wound on the underlying support, causing sliding of the turns of yam wound thereon. This risks causing damage - and even breakage - of the yarn of the wound turns during the moment when the bottom edge of the tube-shaped support passes over and covers a hole in said bottom section of the underlying support.
The main object of the invention is therefore to avoid the abovementioned damage to the yam wound in turns. These and other objects are achieved with the configuration which is the subject of the invention.
Essentially it is envisaged that, at least in said smaller-size section, longitudinal depressions are formed on the external surface between the longitudinally aligned adjacent holes, so as to avoid possible shearing of the yarn by the edge of the bottom end section of the tube which is fitted onto said smaller-size section of the underlying tube, during interpenetration of the stacked tubes.
More particularly a tube-shaped dyeing support according to the invention for storing wound yam - suitable in particular for fine yarn - is of the type comprising a sleeve with three sections: a first section with a greater axial extension is substantially cylindrical or slightly frustoconical and slightly tapered from the larger base; the second middle section with a limited axial extension is frustoconical; the third section is substantially cylindrical and has an axial extension greater than the internal stop surface of the first section. Said sleeve has holes which are spaced and, inside said first section, has a stop surface for resting the terminal edge of the third section of a support which can be axially coupled and interlocked so as to allow the axial compression and sliding of the spool of yarn along said third section. According to the invention, the external surface of the third section of the sleeve of each tube-shaped support is provided with longitudinal depressions which extend between the longitudinally aligned adjacent holes; possible shearing of the yarn by the bottom edge of the tube fitted onto said third section during interlocking of stacked tubes is thus avoided.
The first section or bottom end section of the sleeve which is intended to receive the opposite end section of an underlying support may have an axial extension of about half the overall length of the support and the smaller-size third section may have an axial extension of not more than one third of the overall length of the support.
Said smaller-size third section of the sleeve has, on its external surface, longitudinal micro-grooves which may also be extended into a middle section, so as to favour sliding of the turns of yarn.
The holes of said smaller-size third section, which are arranged in longitudinal rows, may have the holes of one row staggered with respect to those of the adjacent rows.
The drawing shows a possible embodiment of the invention and in particular:
  • Fig. 1 shows a partly external and partly axially cross-sectioned view of a tube-shaped support of the type as defined above;
  • Fig. 2 shows a cross-section along the line II-II in Fig. 1;
  • Figs. 3 and 4 show a detail of the interpenetrating coupling principle and show a partly axially sectioned view of the conventional arrangement and the arrangement according to the invention;
  • Figs. 5 and 6 show partially local sections along V-V and VI-VI in Fig. 4;
  • Figs. 7 and 8 show a local view along VII-VII in Fig. 3 in order to illustrate two relative positions of the tubes during engagement with each other and the drawbacks of the conventional solution.
    • The drawing and in particular Fig. 1 shows a tube-shaped support with three sections 1, 3 and 5; the bottom section 1 has a greater diameter and is substantially cylindrical or slightly frustoconical, the middle section 3 is frustoconical and the top end section 5 is substantially cylindrical. Inside the section 1 there is provided a stepped bearing surface 7, which defines a housing 8 able to receive the top end section 5 of an underlying tube-shaped support coaxial with that shown in Fig. 1, having an arrangement substantially shown in Figs. 3 and 4. The upper edge 5A of the underlying tube-shaped support rests against the stop surface 7.
    The section 1 is provided with holes 9 which, in the drawing, have a transverse orientation; the middle section 3 and the smaller-size top section 5 are provided with holes 11 and 12, respectively, arranged in longitudinal rows with the holes of one row staggered with respect to those of the adjacent rows.
    The external surface of the tube-shaped support may have dot-like reliefs in one part at least of the section 1 and in one part at least of the section 3 which is adjacent to the section 1, in order to prevent sliding of the wound turns of yarn, while the section 5 is provided mainly with longitudinal - instead of dot-like - projections, as can be seen in the top part of Fig. 1, in order to facilitate sliding of the wound turns of yarn and thus allow compaction of the spool of yam wound on the tube-shaped support. This arrangement is in fact necessary because with the positioning on top of one another and the interpenetration of tube-shaped supports completed by the turns of the spools B of yarn, the bottom edge 1 of the overlying tube-shaped support according to Figs. 1, 3 and 4 must push the mass of wound turns of the spool B of the underlying tube-shaped support in the direction of the arrow fB shown in Figs. 1, 3, 4, 7 and 8 in order to reduce the height of the spool B from the original amount of the formed spool - as indicated by B - to a lower level Bo indicated in Fig. 1, equal nearly to the length of the section 5; this is performed by the edge 1 A of the overlying tube-shaped support which slides along the section 5 in the direction of the arrow fB so as to compress the spool formed on the underlying tube-shaped support. This occurs in particular when the yarn wound on the various stackable tube-shaped supports must be treated in a dyeing plant.
    During sliding in the direction fB of the bottom edge 1A of the overlying tube-shaped support, in the region of the holes 12 of the section 5 there is the risk of pinching or even shearing or in any case damage to the turns S of the spool wound onto the underlying support which are in contact with the edge 1A descending in the direction of the arrow fB. This may occur when the edge 1A of the upper support - moving in the direction of fB - reaches the bottom end of a hole 12 of the underlying tube-shaped support, as can be seen from the comparison between Figs. 7 and 8. It is in the conditions according to Fig. 8 that damage to the yarn of the wound turns S may occur, said turns being impaired by the edge 1A which reaches the bottom of the hole 12 as can be seen in Figs. 3 and 8, taking into account also the fact that these turns S are sufficiently tightly packed together and therefore tend to form a bead along the width of the hole 12. Damage to the yam may have very serious consequences during subsequent processing operations, with the possibility of stoppage during processing and even defects in the fabric or in the finished article of clothing, as a result of the damage suffered by the yarn.
    In order to avoid these drawbacks, according to the invention it is envisaged forming, on the external surface of the tube-shaped support in the section 5, between the successive holes of a longitudinal row of holes 12, a longitudinal depression 20 which extends from the bottom zone of the edge of a hole 12 advantageously even as far as the following hole 12. With this arrangement, which is shown in particular in Figs. 4 to 6, the damage which would otherwise be caused at the moment when the edge 1A - with a more or less sharp edge - completes closure of a hole opening 12 (see Fig. 8) is avoided, because the wound turns S of yarn - which risk being damaged in the conditions according to Figs. 3 and 8 of the conventional arrangement - are instead not impaired as can be seen at S1 in Figs. 4 and 5, owing to the presence of the longitudinal depression 20 which allows the integrity of the yarn to be maintained.
    The surface of the longitudinal depressions 20 may be smooth or shaped with longitudinal grooves - similar to the external surface of the zone 5 - and these depressions may have a width less than or equal to the width of the holes 12.

    Claims (5)

    1. A dyeing support of the interpenetrating type made of synthetic material, for storing wound yarn, suitable in particular for fine yarn, of the type comprising a sleeve consisting of three sections (1, 3, 5), a first section of which (1) with a greater axial extension being substantially cylindrical or slightly frustoconical and slightly tapered from the larger base (1A), the second middle section (3) with a limited axial extension being frustoconical, while the third section (5) thereof being substantially cylindrical, said sleeve having holes (9, 10; 11; 12) which are spaced and, inside said first section a stop surface (7) for resting the terminal edge (5A) of the third section (5) of another support which can be axially coupled and engaged so as to allow axial compression and sliding of the spool of yam along said third section (5) characterized in that at least said third section (5) is provided, in its external surface, with depressions (20) longitudinally extending between longitudinally aligned adjacent holes (12), in order to prevent possible shearing of the yarn by the bottom edge (1A) of the support which is fitted onto said third section (5) during axial compression and interpenetration of stacked supports.
    2. Support as claimed in Claim 1, characterized in that the first section (1) with greater diametral dimensions of the sleeve has an axial extension of about half the overall length of the support and the third section (5) with smaller diametral dimensions has an axial extension of not more than one third of the overall length.
    3. Support as claimed in at least one of the preceding claims, characterized in that said smaller-size third section (5) of the sleeve has, on the external surface, small longitudinal grooves which may also be extended into the middle section (3).
    4. Support as claimed in at least one of the preceding claims, characterized in that the holes (12) of said smaller size third section (5) arranged in longitudinal rows have the holes of one row staggered with respect to those of the adjacent rows.
    5. Support as claimed in at least one of the preceding claims, characterized in that the internal stop surface is formed by a step (7).
    EP02722652A 2001-03-19 2002-03-15 Interlocking yarn dyeing support Expired - Lifetime EP1370722B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    ITFI20010023U 2001-03-19
    IT2001FI000023U ITFI20010023U1 (en) 2001-03-19 2001-03-19 DYEING SUPPORT IN SYNTHETIC MATERIAL FOR THE ACCUMULATION OF YARN SPIRES OF THE COMPENETRATION TYPE
    PCT/IT2002/000160 WO2002075032A1 (en) 2001-03-19 2002-03-15 Interpenetrating yarn dyeing support

    Publications (2)

    Publication Number Publication Date
    EP1370722A1 EP1370722A1 (en) 2003-12-17
    EP1370722B1 true EP1370722B1 (en) 2005-06-01

    Family

    ID=11442069

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP02722652A Expired - Lifetime EP1370722B1 (en) 2001-03-19 2002-03-15 Interlocking yarn dyeing support

    Country Status (8)

    Country Link
    US (1) US20040079833A1 (en)
    EP (1) EP1370722B1 (en)
    CN (1) CN1249285C (en)
    AT (1) ATE296912T1 (en)
    DE (1) DE60204440T2 (en)
    ES (1) ES2240733T3 (en)
    IT (1) ITFI20010023U1 (en)
    WO (1) WO2002075032A1 (en)

    Families Citing this family (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    KR100647693B1 (en) * 2005-05-24 2006-11-23 삼성에스디아이 주식회사 Organic tft, method for fabricating the same and flat panel display with otft
    CN110994040B (en) * 2015-06-11 2023-05-16 住友化学株式会社 Film roll, method for producing the same, and film
    CN107237069B (en) * 2017-07-12 2023-03-14 高勋绿色智能装备(广州)有限公司 Combined creel for dyeing cheese yarn, warp beam yarn, zipper, cloth belt and rope belt

    Family Cites Families (9)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US1666404A (en) * 1927-02-24 1928-04-17 American Aluminum Ware Company Spool
    US2162841A (en) * 1937-03-08 1939-06-20 Sonoco Products Co Thread cores
    US2163618A (en) * 1937-10-20 1939-06-27 Alfred D Muller Bobbin
    US2535188A (en) * 1948-05-04 1950-12-26 Donald O Beckner Tubular winding core
    DE2845053C2 (en) * 1978-10-16 1982-07-15 Becker, Hubert Lap carrier
    US4545222A (en) * 1983-04-21 1985-10-08 Rost Karl Heinz Textile yarn carrier
    DE3525311C1 (en) * 1985-07-16 1987-01-15 Josef Becker Wrap carrier
    IT224458Z2 (en) * 1991-06-25 1996-04-30 Mariplast Spa CONE FOR DYEING
    IT224502Z2 (en) * 1991-10-01 1996-04-30 Mauro Romagnoli SUPPORT FOR COMPENETRATION DYEING, FOR PARTICULAR USE ON OPEN-END THREADING MACHINES AND OTHER MACHINES

    Also Published As

    Publication number Publication date
    CN1498295A (en) 2004-05-19
    WO2002075032A1 (en) 2002-09-26
    US20040079833A1 (en) 2004-04-29
    ES2240733T3 (en) 2005-10-16
    ATE296912T1 (en) 2005-06-15
    EP1370722A1 (en) 2003-12-17
    DE60204440T2 (en) 2005-10-13
    WO2002075032A9 (en) 2004-04-08
    CN1249285C (en) 2006-04-05
    ITFI20010023U1 (en) 2002-09-19
    DE60204440D1 (en) 2005-07-07

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