EP0257268A1 - Mandrin contractable pour fils textiles - Google Patents
Mandrin contractable pour fils textiles Download PDFInfo
- Publication number
- EP0257268A1 EP0257268A1 EP87110105A EP87110105A EP0257268A1 EP 0257268 A1 EP0257268 A1 EP 0257268A1 EP 87110105 A EP87110105 A EP 87110105A EP 87110105 A EP87110105 A EP 87110105A EP 0257268 A1 EP0257268 A1 EP 0257268A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- web
- jacket
- shaped
- sections
- jacket sections
- 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
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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 axially deformable textile sleeve which has in its jacket at least one row of circumferentially arranged radial openings which are arranged next to one another in the circumferential direction and which are spaced apart in the circumferential direction by massive jacket sections, are slot-shaped and have longitudinal axes running in the same direction .
- Such a textile sleeve is already known from DE-PS 25 06 512.
- the jacket of this textile sleeve has annular circumferential, axially arranged, inwardly open bulges which are separated from one another by annular circumferential jacket sections, in each of which there are a plurality of slot-shaped, radial openings arranged next to one another in the circumferential direction.
- the longitudinal axes of the radial openings of each jacket section run in the circumferential direction and lie on a common jacket line running in the circumferential direction.
- the bulges and the intermediate jacket sections deform axially and radially in such a way that the axial distances between the bulges become smaller, the axial extent of each bulge becomes smaller and the circumference of the bulges increases, the jacket sections between the bulges being pressed against the support tube.
- Such a textile sleeve has the disadvantage that the shortening of the sleeve produced by axial pressure is practically not limited and, due to the increasing flexibility in the heat treatment, is greater than in the previous wet treatment.
- the thread reserve is particularly exposed to the risk of being caught, since it is wound in the circumferential direction. Since the sleeve deforms elastically and plastically as a result of the axial pressure, the thread reserve between the bulges and / or the radial openings remains clamped even after the axial relief of the sleeve. If the thread reserve is pinched, the unwinding of the thread from the sleeve is hindered, which can lead to breakage of the thread.
- a radial deformation of the sleeve due to axial pressure is also undesirable because the inner layers of the winding are kept under tension due to the diameter increase of the sleeve, whereby a uniform washing around the winding layers with liquor is hindered.
- an axially deformable textile sleeve is also known from DE-PS 26 31 793.
- the jacket consists of a plurality of axially spaced, inwardly open, annular projections extending in the circumferential direction, and the projections connecting together, outwardly curved jacket sections, each of which has a large number of radial openings.
- a common disadvantage of all textile sleeves which are not limited in the axial shortening, is that with the vertical arrangement of wound sleeves lined up on a mandrel or spear in a dyeing container or a drying apparatus, the sleeves and the wraps due to their Own weight, which is greatly increased by the moisture contained in the coils, can be pressed to different extents, the extent of the different pressing being increased in the drying apparatus as a result of the high temperatures prevailing there. The lower the coil is, the more it is pressed. This results in different winding densities, which contain the risk of uneven coloring. In any case, however, it requires a different drying effort, because the more densely compacted coils must be heat-treated longer or more often than the less densely compacted coils. It has also been found that different shades of color occur in bright colors. The above-mentioned effects of different winding densities ultimately result in increased expenditure of time and money.
- the object of the invention is to design the generic textile sleeve so that the deformation caused by axial pressure is limited, can be determined in advance and is essentially independent of temperature and takes place only in the axial direction, sufficient passage of liquor and air being ensured even in the state of the deformation and the danger of pinching the thread reserve does not occur.
- the object of the invention is achieved in that the longitudinal axes of the radial openings of the at least one row are inclined at an angle ⁇ to a line running on the jacket of the sleeve in the circumferential direction, in such a way that the radial openings overlap at their longitudinally spaced ends that the solid jacket sections between the radial openings are web-shaped and that at least some of the solid jacket sections can be brought into contact with one another by axial pressure on the sleeve with deformation in the circumferential and axial direction in the region between the longitudinally spaced ends of the openings while leaving these ends open, whereby the sleeve is shortened in the axial direction by the deformation of the solid jacket sections and the axial shortening of the sleeve is limited by the mutual abutment of the solid jacket sections.
- the textile sleeve according to the invention has the advantage that, even with increasing axial pressure and with increasing temperatures, the sleeve does not shorten further axially when the web-shaped jacket sections come into contact with one another.
- Another advantage of the sleeve according to the invention is that the maximum shortening of the sleeve can be easily determined in advance by the choice of the dimensions of the web-shaped jacket sections and the radial openings and the number of rows of radial openings, which is further favored by the fact that a Deformation of the sleeve under axial pressure only occurs in the area of the web-shaped jacket sections.
- the sleeve according to the invention also has the advantage that the shortening of the sleeve does not bring about any radial deformation of the jacket, so that the desired loosening of the winding occurs when the sleeve is pressed axially.
- a plurality of annular massive jacket sections arranged next to one another in the axial direction and running in the circumferential direction are provided, and each row of radial openings is between two annular massive jacket sections ordered, which protrude beyond the radially outer boundary surface of the web-shaped jacket sections in the radial direction.
- the passage of liquor and air through the sleeve casing can only be improved if two circumferential massive casing sections are provided between two adjacent rows of radial openings, which are axially spaced apart by a circumferential ring-shaped casing section, the is not deformable, has perforations that cannot be changed in shape, and the two adjacent annular jacket sections also protrude in the radial direction over its radially outer boundary surface.
- the axial shortening of the sleeve is reduced by the use of non-deformable jacket sections, because the number of rows of radial openings is reduced for a given sleeve length.
- the contact surface of the thread or yarn on the jacket of the sleeve can be further reduced if the jacket sections projecting in the radial direction taper in cross section in the radial direction and are narrower than their axial distance in the axial direction.
- the projecting jacket sections have essentially the same axial distance from one another.
- the angle ⁇ is preferably in a range from approximately 20 to 50 °.
- the mutually engageable surface sections of two adjacent web-shaped jacket sections can be kept as small as possible and in the radial direction as far inward as possible from the radially outer boundary surface of the web-shaped jacket sections can be arranged away.
- a thread section of an inner winding layer lying on the outer boundary surface of the web-shaped jacket sections can then also be in the relaxed state almost never stood between the mutually engageable surface sections of the web-shaped jacket sections.
- each web-shaped jacket section on at least one side pointing in the circumferential direction, at least in the region between the ends of the openings spaced in the longitudinal direction of the radial openings has at least one projection which projects into an adjacent opening and which has one with at least one component has in the circumferential direction facing outer surface section which can be brought into contact with the opposite surface section of the adjacent web-shaped jacket section to limit the axial shortening of the sleeve by the deformation of the web-shaped jacket sections and is located radially within the radially outer boundary surface of the web-shaped jacket sections.
- each projection is preferably formed by chamfering a radially outer boundary edge of the respective radial opening.
- the web-shaped casing sections can alternately have an outer boundary surface lying radially further outside and a radially further inner lying in the circumferential direction.
- a major advantage of the textile sleeve according to the invention compared to previously known textile sleeves is that it can be used for wet and heat treatment without rewinding.
- the textile sleeve shown in FIG. 1 has an essentially cylindrical shape and has in its jacket a plurality of rows of radial openings 1 arranged next to one another in the circumferential direction and distributed over the circumference, which are spaced apart from one another by massive jacket sections 2.
- the breakthroughs 1 are slit-shaped and have longitudinal axes running in the same direction, which enclose an angle ⁇ with a circumferential circumferential line, which is in the range between 20 and 50 ° and is approximately 30 ° in the example shown.
- the slot-shaped openings 1 of each row are so close together in the circumferential direction that they are with their overlap ends spaced in the longitudinal direction of the openings.
- the solid jacket sections 2 remaining between the radial openings have the shape of narrow webs.
- the web-shaped jacket sections 2 deform in the direction of arrow P acting axial pressure on the sleeve in such a way that they bend in the circumferential and axial directions, whereby they are in the area between the in the longitudinal direction Breakthroughs approach the mutually spaced ends of the breakthroughs 1 and finally come into contact with one another, but the ends of the slot-shaped breakthroughs 1 remain open.
- the web-shaped jacket sections 2 are in contact with one another in the area between the longitudinally spaced ends of the radial openings 1, further deformation of the web-shaped jacket sections 2 is no longer possible, as a result of which the axial shortening of the sleeve due to the applied axial pressure is also ended.
- Axial pressure on the sleeve only leads to a deformation of the web-shaped jacket sections 2, and the remaining jacket sections of the sleeve remain undeformed.
- the axial shortening of the sleeve resulting from the deformation of the jacket sections 2 is limited by the mutual abutment of the web-shaped jacket sections 2. Since the ends of the radial openings 1 remain open even in the deformed state of the web-shaped jacket sections 2, the passage of liquor during the wet treatment and air during the subsequent heat treatment is not hindered.
- the maximum axial shortening of the textile sleeve according to the invention can be determined in advance by appropriate choice of the dimensions of the web-shaped jacket sections 2 and the radial openings 1 and the number of radial openings 1.
- the openings 1 and the web-shaped jacket sections 2 have approximately the same width and correspond to the width of the web-shaped jacket sections approximately the thickness of the sleeves coat at this point.
- the textile sleeve according to the invention shown in FIG. 1 has a plurality of annular massive jacket sections 3 which are arranged next to one another in the axial direction and extend in the circumferential direction and which protrude beyond the radially outer boundary surface of the web-shaped jacket sections 2 in the radial direction.
- Each row of radial openings 1 is arranged between two ring-shaped solid jacket sections 3.
- the ring-shaped solid jacket sections 3 are substantially narrower in the axial direction than the axial distance between two adjacent jacket sections 3, the axial distance being unchanged over the length of the sleeve.
- the jacket sections 3 have a cross section which tapers outwards in the radial direction. Its radially outer boundary surface serves to support the radial inside of a yarn or thread wrap that the textile sleeve according to the invention wears in use.
- the sleeve casing alternately has a number of radial openings 1 and a circumferential cylindrical solid casing section 4, the outer radial boundary surface of which has the same outer diameter as the radially outer boundary surface of the web-shaped casing sections 2.
- the cylindrical jacket sections 4 are each arranged between two annular jacket sections 3, which they protrude outward in the radial direction.
- the cylindrical jacket sections 4 have a large number of perforations 5, which have a circular shape in the example shown.
- the cylindrical jacket sections 4 do not deform when the sleeve is subjected to an axial pressure. As a result, the shape of the perforations 5 remains unchanged with axial pressure.
- liquor or air can pass freely through the perforations 5 in the axially deformed state of the sleeve.
- the sleeve in FIG. 1 At the right end of the sleeve in FIG. 1, it has a solid, annular jacket section 6 in the form of a groove, which cannot be deformed under axial pressure and serves to receive the thread reserve. It can be perforated similar to the jacket sections 4.
- the jacket section 6 serving as a thread reserve groove is adjoined on the outside by an annular jacket section 7 which is larger in outside diameter and is not perforated and also cannot be deformed.
- the inner surface of the sleeve according to the invention is cylindrical and, with the exception of one end, which is shown on the left in the drawing, is continuously smooth with a constant diameter.
- the sleeve has a cylindrical section 8 which is reduced in outer and inner diameter and which is not perforated and also not deformable.
- a plurality of sleeves can be connected to one another for arrangement on a mandrel or spear in that the cylindrical section 8, which has a reduced outer and inner diameter, is detachably inserted at one end of one sleeve into the other end of another sleeve.
- an externally smooth cylindrical solid jacket section 9 Between the jacket section 8 and the adjacent breakthrough 1 jacket section is an externally smooth cylindrical solid jacket section 9, the radially outer boundary surface of which projects beyond the radially outer boundary surface of the jacket section 8 and the breakthrough jacket section 1.
- the jacket section 9 is also not perforated and non-deformable.
- An annular surface formed between the jacket sections 8 and 9 serves as a stop for the end face of the jacket section 7 of another sleeve when the two sleeves are inserted into one another.
- the axial shortening of the textile sleeve according to the invention as a result of an axial pressing for space-saving arrangement in a dyeing container or a drying apparatus is of the extent of the deformation of the web shaped jacket sections 2 dependent.
- the dimensions of the web-shaped jacket sections 2 and the radial openings 1 and the number of rows of radial openings l can of course also be chosen so that for a certain axial pressure on the sleeve and under certain temperature conditions, the web-shaped jacket sections 2 deform only to such an extent that they in the The region between the ends of the radial openings 1, which are spaced apart in the longitudinal direction, do not lie against one another, but still have a distance between them.
- a further axial shortening of the sleeve is consequently possible, which however is limited at the top by the mutual abutment of the web-shaped jacket sections 4.
- the axial shortening of the sleeve can thus be selected within a clearly limited range depending on the axial pressure and the temperature to which the sleeve is exposed in use.
- the textile sleeve according to the invention consists of polypropylene and is produced by injection molding.
- the textile sleeve according to the invention shown in Fig. 2 differs from the textile sleeve shown in Fig. 1 only in that it has a corresponding number of rows of radial openings 10 instead of the solid jacket sections 4, which except for their orientation in the arrangement in the Dimensions and the number of radial openings 1 match.
- a relative rotation of the two ends of the sleeve to one another is avoided by the alternating arrangement of radial openings 1 and 10 in successive rows, since the rotations taking place in the individual rows of radial openings cancel each other out.
- the sleeve shown in Fig. 1 could of course also be modified so that the radial openings of successive rows are alternately inclined by an angle ⁇ and an angle ⁇ to a circumferential surface line.
- FIG. 5 shows a plan view of part of a modified form of the textile sleeve shown in FIG. 2 on an enlarged scale.
- the modification consists in that the radially outer circumferential boundary edge of each radial opening 1, 10 is chamfered inwards. This results in a protrusion 11 protruding into the respective opening, which has an outer surface section 12, each with a component pointing in the circumferential and axial directions, which, due to the deformation of the web-shaped jacket sections 2 with the opposite surface section 12 of the projection 11 of the adjacent web-shaped jacket section 2 to limit the axial shortening of the sleeve can be brought into contact.
- the surface section 12 of the respective projection 11 lies radially within the radially outer boundary surface of the web-shaped jacket sections 2.
- the fact that the surface sections 12 that come into contact with one another are at a radial distance from the radially outer boundary surface of the web-shaped jacket sections 2 can bridge the radial breakthrough the thread section lying on the outer boundary surface of the web-shaped jacket sections 2 does not get between the surface sections 12 even in the loosened state.
- FIG. 7 Another modification of the sleeve shown in FIG. 2 is shown in FIG. 7. It consists in the fact that the web-shaped jacket sections 2 alternately have a radially outer boundary surface 13 and a radially further inner boundary surface 14 in the circumferential direction.
- the radially outer boundary edge of the respective radial opening 1, 10, as in the modified form shown in FIGS. 5 and 6, is chamfered inwards. This further reduces the likelihood that a thread section resting on the web-shaped jacket sections 2 will be clamped between the projections 11 in the loosened state when these are brought into abutment.
- the web-shaped jacket sections 2 each have a projection pointing in the circumferential direction, which comes into contact with the deformation of the web-shaped jacket sections resulting from axial pressure on the sleeve, with an oppositely directed projection of an adjacent web-shaped jacket section, whereby the axial shortening of the sleeve is limited. All other web-shaped jacket sections that do not have such a projection then do not come into contact with one another.
- the web-shaped jacket sections having such a projection are evenly distributed over the circumference. For example, in each row there are 4 evenly spaced pairs of web-shaped jacket sections each having a projection. In the axial direction, all of the web-shaped jacket sections having a projection lie next to one another.
- the axial shortening of the sleeve is smaller than in the sleeve shown in FIG. 2, which has no such projections.
- the openings 1 can also have straight ends in the circumferential direction, the latter shape of the ends being easier to manufacture.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Springs (AREA)
- Dowels (AREA)
- Tents Or Canopies (AREA)
- Nonwoven Fabrics (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Rolls And Other Rotary Bodies (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87110105T ATE62208T1 (de) | 1986-08-29 | 1987-07-13 | Axial verformbare textilhuelse. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3629401 | 1986-08-29 | ||
DE19863629401 DE3629401A1 (de) | 1986-08-29 | 1986-08-29 | Axial verformbare textilhuelse |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0257268A1 true EP0257268A1 (fr) | 1988-03-02 |
EP0257268B1 EP0257268B1 (fr) | 1991-04-03 |
Family
ID=6308459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87110105A Expired - Lifetime EP0257268B1 (fr) | 1986-08-29 | 1987-07-13 | Mandrin contractable pour fils textiles |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0257268B1 (fr) |
AT (1) | ATE62208T1 (fr) |
DE (2) | DE3629401A1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2214162A (en) * | 1988-01-23 | 1989-08-31 | Josef Becker | A method of and a dye tube for the uniform compression of yarn |
EP0354602A1 (fr) * | 1988-06-16 | 1990-02-14 | Nuova Saccardo Coop. Produttori A R.L. | Bobine de teinture axialement déformable |
EP0376139A1 (fr) * | 1988-12-28 | 1990-07-04 | Tubettificio Europa S.P.A. | Tube de teinture |
DE3844006A1 (de) * | 1988-12-27 | 1990-07-05 | Adolff Emil Plastic Gmbh | Pressfaerbehuelse |
EP0447373A1 (fr) * | 1990-03-15 | 1991-09-18 | MARIPLAST S.p.A. | Bobine axialement déformable |
US5584439A (en) * | 1993-08-20 | 1996-12-17 | Romagnoli; Tiziano | Plastic centre whose dimensions can be reduced, for forming spools of yarn to be dyed |
WO2001044555A1 (fr) * | 1999-12-16 | 2001-06-21 | Jos. Zimmermann Gmbh & Co. Kg | Bobinot en matiere plastique pour l'enroulement d'un fil |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT277131B (de) * | 1966-11-10 | 1969-12-10 | Gerhard Tigges | In axialer Richtung federnd zusammendrückbarer Wickelträger |
DE2062520A1 (de) * | 1969-12-25 | 1971-07-15 | Osaka Bobbin K K , Osaka (Japan) | Federnd zusammendruckbare Spule aus Kunststoffmaterial |
DE2631793A1 (de) * | 1976-07-15 | 1978-01-19 | Adalbert Engel | Textilhuelse |
DE2506512C3 (de) * | 1975-02-15 | 1978-09-21 | Adalbert 7850 Loerrach Engel | Textilhulse |
US4181274A (en) * | 1976-10-22 | 1980-01-01 | Burchette Robert L Jr | Dye tube |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1435502A1 (de) * | 1963-11-22 | 1968-11-14 | Jungbecker Josef | Huelse aus Kunststoff zum Schrumpfen von insbesondere synthetischen Faeden und Garnen |
DE2408949A1 (de) * | 1974-02-25 | 1975-09-25 | Aachener Huelsenfabrik | Axial federnd zusammendrueckbarer wickeltraeger |
-
1986
- 1986-08-29 DE DE19863629401 patent/DE3629401A1/de active Granted
-
1987
- 1987-07-13 AT AT87110105T patent/ATE62208T1/de not_active IP Right Cessation
- 1987-07-13 DE DE8787110105T patent/DE3769034D1/de not_active Expired - Fee Related
- 1987-07-13 EP EP87110105A patent/EP0257268B1/fr not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT277131B (de) * | 1966-11-10 | 1969-12-10 | Gerhard Tigges | In axialer Richtung federnd zusammendrückbarer Wickelträger |
DE2062520A1 (de) * | 1969-12-25 | 1971-07-15 | Osaka Bobbin K K , Osaka (Japan) | Federnd zusammendruckbare Spule aus Kunststoffmaterial |
DE2506512C3 (de) * | 1975-02-15 | 1978-09-21 | Adalbert 7850 Loerrach Engel | Textilhulse |
DE2631793A1 (de) * | 1976-07-15 | 1978-01-19 | Adalbert Engel | Textilhuelse |
US4181274A (en) * | 1976-10-22 | 1980-01-01 | Burchette Robert L Jr | Dye tube |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2214162A (en) * | 1988-01-23 | 1989-08-31 | Josef Becker | A method of and a dye tube for the uniform compression of yarn |
GB2214162B (en) * | 1988-01-23 | 1992-09-23 | Josef Becker | A method of and a dye tube for the uniform compression of yarn |
EP0354602A1 (fr) * | 1988-06-16 | 1990-02-14 | Nuova Saccardo Coop. Produttori A R.L. | Bobine de teinture axialement déformable |
DE3844006A1 (de) * | 1988-12-27 | 1990-07-05 | Adolff Emil Plastic Gmbh | Pressfaerbehuelse |
US4986488A (en) * | 1988-12-27 | 1991-01-22 | Emil Adolff Plastic Gmbh | Compressible cheese center for dyeing purposes |
EP0376139A1 (fr) * | 1988-12-28 | 1990-07-04 | Tubettificio Europa S.P.A. | Tube de teinture |
US4997141A (en) * | 1988-12-28 | 1991-03-05 | Tubettificio Europa S.P.A. | Yarn dye tube |
EP0447373A1 (fr) * | 1990-03-15 | 1991-09-18 | MARIPLAST S.p.A. | Bobine axialement déformable |
US5584439A (en) * | 1993-08-20 | 1996-12-17 | Romagnoli; Tiziano | Plastic centre whose dimensions can be reduced, for forming spools of yarn to be dyed |
WO2001044555A1 (fr) * | 1999-12-16 | 2001-06-21 | Jos. Zimmermann Gmbh & Co. Kg | Bobinot en matiere plastique pour l'enroulement d'un fil |
Also Published As
Publication number | Publication date |
---|---|
DE3629401C2 (fr) | 1990-09-13 |
EP0257268B1 (fr) | 1991-04-03 |
DE3629401A1 (de) | 1988-03-10 |
DE3769034D1 (de) | 1991-05-08 |
ATE62208T1 (de) | 1991-04-15 |
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