EP0285341A2 - Sangle pour ceinture - Google Patents

Sangle pour ceinture Download PDF

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Publication number
EP0285341A2
EP0285341A2 EP88302676A EP88302676A EP0285341A2 EP 0285341 A2 EP0285341 A2 EP 0285341A2 EP 88302676 A EP88302676 A EP 88302676A EP 88302676 A EP88302676 A EP 88302676A EP 0285341 A2 EP0285341 A2 EP 0285341A2
Authority
EP
European Patent Office
Prior art keywords
spin
yarns
webbing
dyed yarn
dyed
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.)
Withdrawn
Application number
EP88302676A
Other languages
German (de)
English (en)
Other versions
EP0285341A3 (fr
Inventor
Masao Watanabe
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.)
NSK Ltd
Original Assignee
NSK Ltd
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
Priority claimed from JP1987045638U external-priority patent/JPH0643185Y2/ja
Priority claimed from JP10449487U external-priority patent/JPS6410085U/ja
Application filed by NSK Ltd filed Critical NSK Ltd
Publication of EP0285341A2 publication Critical patent/EP0285341A2/fr
Publication of EP0285341A3 publication Critical patent/EP0285341A3/fr
Withdrawn legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0005—Woven fabrics for safety belts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/573—Tensile strength
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/004—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/54—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads coloured

Definitions

  • This invention relates to a webbing for a belt. More particularly, the present invention is concerned with a webbing suitable for a seat belt used for protection of drivers and passengers of automobiles.
  • a 2/2 twill weave is widely accepted as a weave for a seat belt of automobiles. Further, in order to maintain the tenacity required of the seat belt, the warp density is so high that the wefts are substantially hidden behind the surface of the seat belt. For this reason, the twill angle of the warps relative to the longitudinal direction is very small, which makes it difficult to confirm the twill lines, so that only turnover lines of the twill and the difference of gloss due to the reflection of light ways are recognized.
  • An object of the present invention is to provide a webbing for a belt which can develop various patterns comprising portions having a different color noticeably arranged at the diagonal direction of the webbing even in a weave of a 2/2 twill weave having a very high warp density.
  • Another object of the present invention is to provide a webbing for a seat belt having a weave pattern which can sufficiently comply with the diversification of the tastes of users.
  • the webbing for a belt of the present invention for attaining the above objects basically comprises a weave of 2/2 twill having such a high warp density that the wefts are substantially hidden behind the surface of the webbing.
  • the webbing of the present invention is characterized in that said warp comprises at least two kinds of yarns different from each other in the color and said at least two kinds of yarns are in an alternate warp threading arrangement through two or more rows of yarns adjacent thereto having the same color so that said warp threading arrangement forms a pattern portion which allows a portion having a different color to appear diagonally to the longitudinal direction of the belt.
  • the webbing for use in a seat belt is characterized in that said plurality of yarns having different colors comprise a spin-dyed yarn and a non-spin-dyed yarn each having a multifilament yarn structure and the difference in the fineness and strength between said spin-dyed yarn and said non-spin-dyed yarn is 10% or less.
  • the plurality of yarns having different colors for use in the warp as far as they comprise a combination of yarns having different colors.
  • the combination may be any of a combination of a spin-dyed yarn with a non-spin-dyed yarn, a combination of a dyed yarn with an undyed yarn, a combination of spin-dyed yarns having different colors, a combination of dyed yarns having different colors, and a combination of a spin-dyed yarn with a dyed yarn.
  • the warp yarn may be in the form of a multifilament yarn or a spun yarn.
  • the above-described at least two kinds of yarns comprise a combination of a spin-dyed yarn with a non-spin-dyed yarn.
  • the yarn is preferably in the form of a multifilament yarn. It is preferred that the dyed yarn be used for applications, e.g., suspending belts for sporting bags, which do not rather require very high tenacity.
  • the dyed yarn is passed through various steps, such as draw twisting, hank reeling, dyeing, and hank winding, and therefore exhibits a greater tendency to cause the lowering in the tenacity than those of the spin-dyed yarn and the non-spin-dyed yarn in a natural form.
  • steps such as draw twisting, hank reeling, dyeing, and hank winding
  • the dyed yarn is used for a webbing for a seat belt, it is necessary to increase the number of the yarns in order to compensate for the lowering in the tenacity.
  • the use of a large amount of the yarn brings about not only an increase in the cost but also an increase in the thickness of the belt which makes it difficult to smoothly take the belt in and out of a retractor.
  • spin-dyed yarn is intended to mean a yarn which has been dyed by blending a raw resin with a pigment or a dye prior to the spinning of the raw resin into a yarn
  • yed yarn is intended to mean a yarn which has been dyed after the spinning of a raw resin into a yarn.
  • the color applied to these spin-dyed yarn and dyed yarn is no particular limitation with respect to the color applied to these spin-dyed yarn and dyed yarn. However, the dyeing in black, light brown, blue or the like is preferable.
  • the difference in the fineness and strength between the spin-dyed yarn and the non-spin-dyed yarn is preferably 10% or less, more preferably 6% or less. Further, it is preferred that the difference in the breaking elongation between the spin-dyed yarn and the non-spin-dyed yarn be preferably 10% or less.
  • the plurality of yarns having different colors are used as the warp, and these are woven into a weave having a 2/2 twill.
  • the warp density is so high that the wefts are substantially hidden behind the surface of the webbing.
  • the above-described warp threading arrangement be conducted so that yarns are regularly arranged bilaterally symmetrically with respect to one yarn arranged in the center.
  • the above-described regular arrangements which are bilaterally symmetrical enable the formation of a pattern having a pattern weaving portion which allows a portion having a different color to clearly appear diagonally to the longitudinal direction of the belt, e.g., one-thread or two-thread yarn bonds pattern, zig-zag pattern, chessboard pattern, and opposing triangular pattern which will be described later.
  • twill line pattern weaving portions except for the turnover portions of the twill line pattern are regularly arranged in units of three, five, six, seven, or nine yarns in terms of the number of the warps having the same color and adjacent to each other in the order of the warp threading
  • a twill pattern such as pointed twill having a twill line angle of about 20°, can be formed in spite of an actual weaving twill line angle of about 7°.
  • Fig. 1 shows the weaving of a 2/2 twill weave having one-thread bonds pattern.
  • the spin-dyed yarn B and the non-spin-dyed yarn N are arranged in the order of the warp threading of the 2/2 twill weave as follows: four rows of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, a row of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, a row of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, and four rows of the spin-dyed yarn B (i.e., B4, N2, B1, N2, B1, N2, B4).
  • a row of B, two rows of N, and four rows of B are regularly arranged in that order on both sides of two central rows of N indicated by a double arrow and bilaterally symmetrically with respect to the two central rows of N.
  • the twill lines run in the lower right direction, they may run in the lower left direction as shown in Fig. 2.
  • the diagonal portion having a different color appears as a diagonal running in the lower right direction as opposed to the one-thread bonds pattern 10 shown in Fig. 14.
  • Fig. 3 shows the weaving of a two-thread bonds pattern formed by repeating two units of the warp threading arrangement shown in Table 1.
  • the four rows of the spin-dyed yarns arranged at the end portion of Fig. 1 are arranged at the central portion (position indicated by a double arrow), followed by the other arrangements symmetrical bilaterally with respect to this central portion.
  • the two rows of the non-spin-dyed yarns N indicated by a single arrow in each unit arrangement serve as the center of symmetry of the unit arrangement.
  • Fig. 4 shows the weaving of a 2/2 twill weave which allows a double zig-zag pattern to appear.
  • a row of the non-spin-dyed yarns N indicated by a double arrow is arranged at the central portion, and the following arrangements are made in the order of the warp threading on both the right and left sides thereof symmetrically with respect to the central row of the non-spin-dyed yarns N: a row of the spin-dyed yarn B, two rows of the non-spin dyed yarn N, two rows of the spin-dyed yarn B, a row of the non-spin-­dyed yarn N, five rows of the spin-dyed yarn B, a row of the non-spin-dyed yarn N, two rows of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, and a row of the spin-dyed row B.
  • the five rows of the spin-dyed yarn are respectively on the right and left sides thereof.
  • the overall warp threading arrangement is as follows: B1, N2, B2, N1, B5, N1, B2, N2, B1, N1, B1, N2, B2, N1, B5, N1, B2, N2, B1.
  • Fig. 5 shows a view of the weaving of a 2/2 twill weave for forming an opposing triangular pattern.
  • this 2/2 twill weave five rows of the non-spin-dyed yarn N indicated by a double arrow are arranged at the central portion, and the following arrangements are made in the order of the warp threading on both the right and left sides thereof so as to attain a symmetrical relationship with respect to the central rows of the non-spin-dyed yarns: a row of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, two rows of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, and three rows of the spin-dyed yarn B. That is, the overall warp threading arrangement is as follows: B3, N1, B2, N2, B1, N5, B1, N2, B2, N1, B3.
  • Fig. 6 shows a drawing of the weaving of a 2/2 twill weave for forming a chessboard pattern.
  • this 2/2 twill weave four rows of the non-spin-dyed yarn N indicated by a double arrow are arranged at the central portion, and the following arrangements are made in the order of the warp threading on both the right and left sides thereof so as to attain a symmetrical relationship with respect to the central rows of the non-spin-dyed yarns: two rows of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, two rows of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, two rows of the spin-dyed yarn B, two rows of the non-spin-dyed yarn N, two rows of the spin-dyed yarn N, two rows of the non-spin-dyed yarn N, and two rows of the spin-dyed yarn B.
  • the two rows of the spin-dyed yarn B two rows of the non-spin-d
  • the overall warp threading arrangement is as follows: B2, N2, B2, N2, B2, N2, B2, N2, B2, N4, B2, N2, B2, N2, B2, N2, B2, N2, B2.
  • the above-described weave patterns each having a diagonal portion of a different color be formed on both end portions of the belt as shown in Figs. 14 to 16.
  • these patterns may be formed over the entire width of the belt by repeating the above described unit arrangements.
  • the twill lines may be unidirectional.
  • the direction of the twill lines may be changed in the course of the weaving to form a symmetrical pattern.
  • Figs. 7 to 13 are each a drawing of the weaving for forming a twill pattern, such as pointed twill.
  • the weave is 2/2 twill
  • the spin-dyed yarn B and the non-spin-dyed yarn N are regularly arranged in the order of the warp threading in units of three yarns (Fig. 7), five yarns (Figs. 8 and 9), six yarns (Fig. 10), seven yarns (Fig. 11), or nine yarns (Figs. 12 and 13) exclusive of turnover portions of the twill lines.
  • the weaving in the units of a plurality of warps enables the formation of intermittent twill pattern manifesting portions of the spin-dyed yarns B through which a line L can be drawn. That is, the twill line having a gentle slope can be observed along the line L.
  • a spin-dyed yarn B and two non-spin-dyed yarns N are regularly arranged, and the angle, ⁇ , of the twill line based on the line L relative to the longitudinal direction of the webbing is about 20°.
  • Fig. 8 units of five yarns, i.e., a spin-dyed yarn B and four non-spin-dyed yarns are arranged, while in Fig. 9, units of five yarns, i.e., two spin-dyed yarns B and three non-spin-dyed yarns N are arranged.
  • the angle, ⁇ , of the twill line, based on the line L, relative to the longitudinal direction of the webbing is about 31°.
  • Fig. 10 units of six yarns, i.e., two spin-dyed yarns B and four non-spin-dyed yarns N are arranged, and the angle, ⁇ , of the twill line, based on the line L, relative to the longitudinal direction of the webbing is about 20°.
  • Fig. 11 units of seven yarns, i.e., a spin-dyed yarn B and six non-spin-dyed yarns N are arranged, and the angle, ⁇ , of the twill line, based on the line L, relative to the longitudinal direction of the webbing is about 41°.
  • Fig. 12 units of nine yarns, i.e., a spin-dyed yarn B and eight non-spin-dyed yarns N are regularly arranged
  • Fig. 13 units of nine yarns, i.e., a spin-dyed yarn B, three non-spin-dyed yarns N, a spin-dyed yarn B, and four non-spin-dyed yarns N in that order are regularly arranged.
  • the angle, ⁇ , of the twill line, based on the line L, relative to the longitudinal direction of the webbing is about 48°.
  • webbing of the present invention can be used not only for seat belts but also for general applications such as fashion tape belts.
  • a polyester pellet having a high degree of polymerization which was dyed black was melt spun, followed by drawing, thereby preparing a spin-dyed yarn B of 1260 deniers and 108 filaments having a tenacity of 8.68 g/d, a breaking elongation of 12.9%, and a dry heat shrinkage of 8.5%.
  • an uncolored polyester pellet having a high degree of polymerization was melt spun, followed by drawing, thereby preparing a non-spin-dyed yarn N of 1260 deniers and 108 filaments having a tenacity of 8.93 g/d, a breaking elongation of 13.8%. and a dry heat shrinkage of 9.0%.
  • a seat belt for a passenger car was manufactured from this webbing and then subjected to webbing tests with respect to seat belts of automobiles prescribed in JIS D 4604. As a result, it was found that the seat belt had a tenacity meeting all the requirements for performance prescribed in JIS. The thickness of the webbing was not different from those of the current webbings. Therefore, it was possible to accommodate the belt within the current retractor. Further, the belt could smoothly be taken in and out of the retractor.
  • 66 yarns of black spin-dyed yarns and 256 yarns of non-spin-dyed yarns of the same kinds as those used in Example 1 were used as the warps, and non-spin dyed polyester filament yarns of 750 deniers and 72 filaments were used as the wefts in 24 picks/30 mm to form a 2/2 twill weave of 3 crests (6 panels).
  • the warps were arranged in units of five yarns, i.e., a black spin-dyed yarn and four non-spin-dyed yarns in the order of the threading, and 11 black spin-dyed yarns were used in a panel.
  • a webbing was woven.
  • the webbing thus obtained was as shown in Fig. 17, i.e., had a twill pattern like a pointed twill. In this pattern, 11 black color lines per panel were observed. Although the lines were intermittent, the twill lines having an angle of about 31° were clearly observed.
  • the warp threading arrangement is conducted so that two or more rows of yarns adjacent thereto having the same color are present.
  • This arrangement enables the formation of a pattern in which a portion having a different color distinctly appears diagonally to the longitudinal direction of the belt even in a weave of a 2/2 twill having a very high warp density.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Automotive Seat Belt Assembly (AREA)
EP88302676A 1987-03-30 1988-03-25 Sangle pour ceinture Withdrawn EP0285341A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP45638/87U 1987-03-30
JP1987045638U JPH0643185Y2 (ja) 1987-03-30 1987-03-30 ベルト用ウエビング
JP10449487U JPS6410085U (fr) 1987-07-09 1987-07-09
JP104494/87U 1987-07-09

Publications (2)

Publication Number Publication Date
EP0285341A2 true EP0285341A2 (fr) 1988-10-05
EP0285341A3 EP0285341A3 (fr) 1990-06-27

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ID=26385668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88302676A Withdrawn EP0285341A3 (fr) 1987-03-30 1988-03-25 Sangle pour ceinture

Country Status (1)

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EP (1) EP0285341A3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8914627U1 (de) * 1989-12-13 1990-03-15 Spanset Inter Ag, Oetwil Am See Hebeband zum Heben von Lasten
GB2240994A (en) * 1990-02-14 1991-08-21 Takata Corp Webbing for safety belt
GB2252399A (en) * 1990-06-30 1992-08-05 Wright M & Sons Ltd Woven materials
EP1008680A3 (fr) * 1998-10-13 2001-06-20 Narricot Industries, Inc. Ceinture de sécurité
AT512370A1 (de) * 2011-12-21 2013-07-15 Sattler Ag Textiles flächengebilde mit farbeffekt
US20200023808A1 (en) * 2017-02-27 2020-01-23 Joyson Safety Systems Japan K.K. Occupant restraint belt webbing, seat belt, and seat belt device
WO2024259725A1 (fr) * 2023-06-23 2024-12-26 Autoliv Development Ab Sangle de ceinture de sécurité

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1760360B1 (de) * 1968-05-08 1970-09-03 Hoechst Ag Gurtband
CH595481A5 (en) * 1974-06-21 1978-02-15 Vnii Textil Galanterey Promy Woven safety belt has warp yarns of lower stretch capacity
DE2902905A1 (de) * 1979-01-26 1980-07-31 Akzo Gmbh Verfahren zur herstellung buntfarbig gemusterter sicherheitsgurtbaender fuer automobile, flugzeuge o.dgl.
DE3345508A1 (de) * 1983-12-16 1985-06-27 Ieperband N.V., Ieper Gurtband mit flexibelem schussmaterial

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8914627U1 (de) * 1989-12-13 1990-03-15 Spanset Inter Ag, Oetwil Am See Hebeband zum Heben von Lasten
GB2240994A (en) * 1990-02-14 1991-08-21 Takata Corp Webbing for safety belt
GB2252399A (en) * 1990-06-30 1992-08-05 Wright M & Sons Ltd Woven materials
GB2252399B (en) * 1990-06-30 1994-05-04 Wright M & Sons Ltd Woven material
EP1008680A3 (fr) * 1998-10-13 2001-06-20 Narricot Industries, Inc. Ceinture de sécurité
AT512370A1 (de) * 2011-12-21 2013-07-15 Sattler Ag Textiles flächengebilde mit farbeffekt
AT512370B1 (de) * 2011-12-21 2013-10-15 Sattler Ag Textiles flächengebilde mit farbeffekt
US20200023808A1 (en) * 2017-02-27 2020-01-23 Joyson Safety Systems Japan K.K. Occupant restraint belt webbing, seat belt, and seat belt device
WO2024259725A1 (fr) * 2023-06-23 2024-12-26 Autoliv Development Ab Sangle de ceinture de sécurité

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