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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
  • B65D75/002—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers in shrink films
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H55/00—Wound packages of filamentary material
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
  • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
  • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
  • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
  • D04B21/18—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating elastic threads
• • 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
• • 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
  • D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
  • D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
  • D06B5/16—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or 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
  • B65H2701/30—Handled filamentary material
  • B65H2701/31—Textiles threads or artificial strands of filaments
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2401/00—Physical properties
  • D10B2401/04—Heat-responsive characteristics

Definitions

• the present mvention relates to a method for manufacturing a cover for the protection of substantially cylindrical bobbins from the reeling of the yam, du ⁇ ng the succeeding treatment and transportation of the bobbin to the user
• the yarns are wound onto special dyeing tubes, suitable for injectionspears in the dye- ing machine
• the dyeing process is effected by pressing the dyestuff with great pres ⁇ sure through the spears and out through the bobbin
• there is a ⁇ sk that the extreme layers are damaged This will obstruct a subsequent unspooling Therefore, it will be necessary to discard a large or small part of the yams, which are on the extreme of the bobbin
• the dyestuff which is used is a so called dye bath, meaning water, pig- ments, chemicals, etc
• a protection cover By the mounting of a protection cover on a bobbin, it is very important that the cover does not slide over the extreme layer of the bobbin, as this will also damage the ex ⁇ treme layers of yarn in the bobbin and thereby obstruct a subsequent unspooling At the same time, it is a requirement that a protection cover, after mounting, must afford great strength against the yarns, in order to ensure that said yarns he correctly in the bobbin, especially du ⁇ ng the dyeing process After dyeing and transportation of a bobbin to a user, as e g a knitting mill, a weaving mill, or the like, the cover must be removable from the bobbin without the risk of damaging the extreme yam layers in the bobbin
• the cover must be expandable to a considerably larger diameter than the diameter of the bobbin in order to avoid a mutual sliding between the cover and the bobbin, whereas a large elastical contraction intensity is requested during the subse ⁇ quent treatment and transportation It is the object of the present invention to provide a method for manufacturing a protection cover which satisfies the above requirements
• this is obtained by means of a method of the type mentioned above, characterized in that a tubular cover is knitted, said cover being provided for being loosely arranged on a bobbin, in that the cover is shrunk while arranged on the bobbin in order to shrink the cover around the bobbin in order to bear against the cyl- inder surface of the bobbin and an edge area of the end surfaces of the bobbin.
• the tubular cover can be manufactured by the cutting up of an endless tube into suitable lenghts or by the manufacturing of individual tubular covers of lengths necessary for the cover to lie around the cylinder surface of the bobbin and at least the edge areas of the end surfaces of the bobbin
• the knitted tubular cover After the knitting, the knitted tubular cover will appear very loose In this condition the tubular cover can be arranged over the bobbin It is noted that prior to this placing a steam treatment of the yarn could be carried out, in order to achieve a better firmness of the meshes which can facilitate the cutting up of an endless tube into suitable lengths
• the shrinking process takes place
• the shrinking process itself, or the fixation is in itself a known finishing treatment of knitted fabric which is carried out before the knitted fabric is being used
• the loosely mounted cover will be shrunk to such an extent that it can be brought into close contact with the bobbin This takes place without a mutual sliding between bobbin and cover, whereby there is no risk of damaging the outer layers of the bobbin.
• the protection cover can be used in connection with any bobbins for successive treat ⁇ ment and transportation.
• the protection cover will be especially advanta ⁇ geous for the purpose of bobbins which are to be dyed, subsequently.
• the procedure according to the invention is espe ⁇ cially advantageous in situations, in which the yam in the bobbin is to be dyed, as one then finalizes the protection cover and pre-treats the yarn in the bobbin, in one and the same process
• the cover can easily be removed, e.g. by being lifted off in an area of the bobbin and being cut up in the longitudinal direction.
• textured high-elasticity yarns are used for the knitting of the cover, prefera ⁇ bly yarns of polyester type. Said yams are especially suitable for creating the loose mounting and subsequently a high elasticity after shrinkage.
• a tearing thread is knitted up in the longitudinal direction of the cover. This tearing thread is preferably placed in im ⁇ mediate connection to a coloured thread or a thread of e.g. nylon which is not dyed, if dyeing of the bobbin is to be carried out. In this way it will be easy to detect the tearing thread.
• the tearing thread which preferably has a thickness less than 25 Dtex, and which is particularly less than 20 Dtex is very easily broken by an outwards directed traction in the area around the tearing thread.
• a particularly easy method to remove the protection cover is achieved.
• the risk of damaging the outer layers of the bobbin does not arise, and the cover can be removed easily, without the need to be displaced along the cylinder surface of the bobbin which will give rise to a risk of damaging of the outer layers of the bobbin.
• the cover is preferably manufactured by knitting on double Raschel machines Hereby it is possible to use the front and the reverse sides for making the tubular cover. After the manufacturing of the cover, it is exposed to a shrinkage of between 50% and
• fig 1 and 2 schematically show a protection cover before and after the shrinking around a bobbin
• fig 3 is a partial knitting diagram which is illustrative of the knitting of a pro ⁇ tection cover on a double Raschel machine
• fig 4 shows another partial knitting diagram which is illustrative of the knitting of a protection cover on a double Raschel machine
• FIG 1 a protection cover 1 is seen, said cover is placed loosely around a bobbin 2
• the bobbin is substantially cylindrical around a central axis 3
• the bobbin 2 has a cylin ⁇ der surface 4, and end surfaces 5 (only one is visible)
• the protection cover 1 is seen arranged on the bobbin 2, after shrinkage has taken place In this situation the yam cover 1 is bearing against the cylinder surface 2 and edge areas 6 of the end sur- faces 5
• a tearing thread 7 is schematically illustrated.
• the tearing thread 7 is knitted into the protection cover 1 in the longitudinal direction thereof. When an outwards directed traction is performed in the cover in the area at the tearing thread 7, said thread will be torn, and hereby the tubular protection cover 1 will be divided in the longitudinal direction. Subsequently, the protection cover 1 can be removed from the bobbin 4, without the risk of damaging the extreme yam layers in the bobbin.
• FIG 3 a partial knitting diagram is seen. It is noted that the shown knitting diagram only shows the front of a double Raschel machine. A similar knitting will be made on the reverse side of the machine.
• the area of the end parts of a cover 1 is indicated.
• elastic threads 9 have been included, said threads are sequenced across a number of needle rows.
• area 10 which illustrates a central part of a cover 1, the elastic threads extend substan ⁇ tially rectilinear. Due to said knitting, a larger amount of elastical contraction force is obtained in the end parts of the cover 1, which are arranged for being drawn around the end surfaces 5 of the bobbin 4.
• the elastic threads 9 are preferably elastane threads.
• FIG 3 a tearing thread 1 1 is seen.
• a dyed yam 12 is knitted up in immediate con ⁇ nection with the tearing thread 11.
• it is easy to identify the tearing thread 11 when a cover 1 is to be removed from a bobbin 4 when the user starts using the yam.
• each cover 1 is knitted more dense than the knitting in the area 10 of the central part of the cover. This does not show directly from the knitting diagram but is established by controlling the knitting machine in a known way.
• FIG 4 another knitting diagram is shown. In said knitting diagram knitting is shown both at the front 13 of the machine and at the reverse side 14 of the machine.
• Said knitting diagram illustrates areas 8 and 10 of the end parts of the cover 1 and the central part, respectively.
• yams 15, 16 are illustrated, which are used when knitting together the front and the reverse sides in order to form the tubular cover 1
• threads 9 have been left out

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Materials Engineering (AREA)
• Mechanical Engineering (AREA)
• Knitting Of Fabric (AREA)
• Treatment Of Fiber Materials (AREA)
• Storage Of Web-Like Or Filamentary Materials (AREA)
• Lining Or Joining Of Plastics Or The Like (AREA)
• Rolls And Other Rotary Bodies (AREA)
• Magnetic Heads (AREA)
• Details Of Aerials (AREA)
• Air Bags (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=8093758

Family Applications (1)

Country Status (12)

Families Citing this family (6)

Family Cites Families (4)

• 1996
  • 1996-04-18 DK DK045596A patent/DK45596A/da not_active Application Discontinuation
• 1997
  • 1997-04-17 PL PL97329412A patent/PL329412A1/xx unknown
  • 1997-04-17 AU AU26337/97A patent/AU2633797A/en not_active Abandoned
  • 1997-04-17 TR TR1998/02086T patent/TR199802086T2/xx unknown
  • 1997-04-17 BR BR9708851-0A patent/BR9708851A/pt not_active Application Discontinuation
  • 1997-04-17 JP JP09537612A patent/JP2000510422A/ja active Pending
  • 1997-04-17 CZ CZ983337A patent/CZ333798A3/cs unknown
  • 1997-04-17 EP EP97918067A patent/EP0912790A1/en not_active Withdrawn
  • 1997-04-17 CA CA002252388A patent/CA2252388A1/en not_active Abandoned
  • 1997-04-17 WO PCT/DK1997/000169 patent/WO1997040226A1/en not_active Application Discontinuation
  • 1997-04-17 CN CN97193898A patent/CN1216590A/zh active Pending
  • 1997-04-17 KR KR1019980708297A patent/KR20000005507A/ko not_active Withdrawn

Non-Patent Citations (1)

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