EP3054040A1 - Fil pour vêtement de protection, methode de fabrication , vêtement ou tissu - Google Patents

Fil pour vêtement de protection, methode de fabrication , vêtement ou tissu Download PDF

Info

Publication number: EP3054040A1
Authority: EP; European Patent Office
Prior art keywords: yarn; covering; fluoro; filament; polymer layer
Prior art date: 2015-02-09
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

Application number

EP15202817.1A

Other languages

German (de)

English (en)

Other versions

EP3054040B1 (fr

Inventor

Sergio Carrara

Carlo GANDOSSI

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.)

Filtes International SRL

Original Assignee

Filtes International SRL

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.)

2015-02-09

Filing date

2015-12-28

Publication date

2016-08-10

2015-12-28 Application filed by Filtes International SRL filed Critical Filtes International SRL

2015-12-28 Priority to PL15202817T priority Critical patent/PL3054040T3/pl

2016-08-10 Publication of EP3054040A1 publication Critical patent/EP3054040A1/fr

2017-10-18 Application granted granted Critical

2017-10-18 Publication of EP3054040B1 publication Critical patent/EP3054040B1/fr

Status Active legal-status Critical Current

2035-12-28 Anticipated expiration legal-status Critical

Images

Classifications

- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/442—Cut or abrasion resistant yarns or threads
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
- 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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/04—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
- D10B2321/042—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polymers of fluorinated hydrocarbons, e.g. polytetrafluoroethene [PTFE]

Definitions

This invention relates to a yarn for protective fabrics, i.e. a yarn having high mechanical properties and wear resistance, a fabric or garment made with such yarn, and a method for the production of a yarn.
document US 4,777,789 discloses a yarn made from an inner core formed from a filament, to which an internal wire is superposed, for example stainless steel.
the core and internal wire are covered by a first wire wound in a first winding direction that forms a first covering layer; the first covering layer is covered by a second wire wound in a second winding direction that forms a second covering layer.
the yarns thus constructed are extremely delicate in the inevitable washing operations because the wound wires tend to slide along the respective core and, in some types of internal cores, the latter tend to break subsequently making the garment unusable.
the purpose of this invention is to provide a new type of yarn having high characteristics of mechanical stability and comfort, and further with a useful life longer than that of traditional yarns, even after numerous washings.
FIG. 1 shows a schematic diagram of the production of the yarn of this invention, according to a first possible variant, where the fluoro-polymer layer has been partially omitted from the entering core (above), and where the production direction has been indicated with the letter P;
Figures 3a and 4a show, in this order, magnifications of the highlighted areas, respectively, in Figure 3 and Figure 4 .
reference numbers 1, 2, 4 and 6 identify a yarn in its entirety.
the aforesaid yarn has been specifically designed for the production of protective fabrics or garments, in particular gloves.
Such yarn comprises a core 8 and a first covering 14 of the core 8.
the core 8 comprises at least one discontinuous or continuous filament 10, which extends along a filament axis X and which is at least partially coated (for example completely covered) with a fluoro-polymer layer 12.
the filament 10 comprises a continuous filament.
the filament 10 comprises at least a glass, steel and/or ceramic filament.
the variant comprising glass is particularly advantageous.
the filament 10 could comprise a filament of ultra high molecular weight polyethylene or an aramid filament.
filaments constituted by any of the materials known under the trade names of Dyneema®, Kevlar® or Technora® can be used.
the filament 10 has a linear density in the range of 22-2200 dtex, preferably 40-1600 dtex, still more preferably 40-680 dtex.
the core 8 comprises 2-1800 filaments (optionally continuous filaments), preferably of a diameter between 5-15 micrometres.
the core 8 could comprise 2-500 or 210-300 filaments, with a diameter of about 5-6 micrometres.
the core 8 comprises a single filament or at least a pair of filaments, for example arranged side by side or parallel to each other.
these filaments could be coated by a single fluoro-polymer layer, or each filament could be separately coated with such a layer.
the fluoro-polymer layer 12 comprises PTFE or consists of PTFE.
the first covering 14 is obtained by winding at least a first yarn 16 or a first sliver 18, 18' in a first winding direction, so as to achieve a closed coiling.
first yarn 16 or first sliver 18, 18' is incorporated in the fluoro-polymer layer 12 in order to anchor the first covering 14 to said filament 10.
the fluoro-polymer layer in addition to - chemically and physically - protecting the filament that it at least partially covers, serves to promote the adhesion of the first covering 14 to the core 8.
the first yarn 16 has a linear density in the range of 22-2200 dtex, preferably 40-1600 dtex, still more preferably 40-680 dtex.
the fluoro-polymer layer 12 defines one or more retention seats which extend in a spiral around the filament axis X, to prevent longitudinal sliding of the first covering 14.
the transversal cross-section (or diameter) of the filament 10 and the thickness of the fluoro-polymer layer 12 are mutually selected so that the weight of the fluoro-polymer is equal to or smaller than 20% of filament, for example about 1-20 wt%.
the yarn 6 could comprise a pair of first slivers inserted in as many spiral retention seats delimited by the fluoro-polymer layer 12.
each of them comprises a plurality of discontinuous fibres 20 anchored to the fluoro-polymer layer 12.
the yarn comprises a second covering 22 superposed on the first covering 14, obtained by winding at least a second yarn 24 in a second winding direction, opposite the first winding direction, so as to achieve a closed coiling ( Figure 1 ) or an open coiling (variant not shown).
the second yarn 24 could have a linear density in the range of 22-2200 dtex, preferably 40-1600 dtex, still more preferably 40-680 dtex.
the first yarn 16 is wound with an "S"-type winding, while the second yarn 24 is wound with a "Z"-type winding.
the schematic diagram of Figure 1 shows a closed coiling wherein, advantageously, a first number of windings per linear metre of the first yarn 16 and a second number of windings per linear metre of the second yarn 24 could be substantially corresponding, at least as an order of magnitude.
the yarn 1 with the second covering 22 realised as a closed coiling can be used in the production steps of the yarns shown in Figures 2 and 3 .
the yarn could comprise at least a third yarn wound around the second covering along the filament axis X, wound as an open coiling.
the third yarn comprises a yarn of high tenacity, i.e. a tenacity of between 40 and 120 cN/tex, preferably about 70 cN/tex.
the yarn could comprise at least a third covering 26, which is superposed on the second covering 22 and comprising a pair of slivers 40, 40' or yarns 42, 42' that form a closed tubular coating on the second covering 22.
the third covering 26 is obtained by a winding of slivers 40, 40' comprising discontinuous fibres 44.
the pair of slivers 40, 40' or yarns 42, 42' is wound with an "S"-type winding.
the realisation of the third covering is performed in the same winding direction as the second yarn, placing these fibres at least in the interspaces of the underlying open coiling (when present).
the realisation of the third covering involves two concomitant effects, i.e. a distancing of the coils of the first covering and a reduction in the interspaces of the open coiling to receive and hold the aforesaid discontinuous fibres.
first and second yarn are respectively wound with a first NW1 and a second NW2 number of windings per linear metre, where the sliver has a third number of windings per linear metre NW3 such that the relationship applies:
the first yarn, the second yarn, the sliver and/or the third yarn may be independently selected from the group consisting of polyethylene, polyamide, polyester, (para-)aramide, ultra high molecular weight polyethylene and mixtures thereof.
the first yarn, the second yarn, the sliver and/or the third yarn may be independently selected from natural fibres (for example cotton, wool, etc.) and mixtures thereof, optionally mixed with the synthetic fibres or with the filaments illustrated above.
This invention further relates to a fabric or garment comprising a yarn 1, 2, 4, 6 according to any of the preceding embodiments, or obtained through a variant of the method illustrated below.
this invention relates to a method for the production of a yarn, preferably for protective fabrics or garments.
this method can be used for the manufacture of the yarn described previously, even if this is not expressly indicated, this method may comprise any manufacturing step deducible - even implicitly - from the structure of the aforesaid yarn 1, 2, 4, 6.
This method comprises the steps of:
step iii) the winding tension applied to the first yarn 16 or to the first sliver 18, 18' is related to the wetness of the fluoro-polymer layer 12 to obtain a desired incorporation of the yarn or of the sliver, wherein - preferably - at least three quarters of the cross-section of the latter protrudes from the fluoro-polymer layer 12.
the winding tension must be low enough as not to tear it during winding around the core.
step iv) comprises a cross-linking of the fluoro-polymer performed via sub-steps of heating and microwave irradiation to prevent yellowing of the glass filament (where provided).
step iv) may, in any case, comprise the cross-linking of the fluoro-polymer via the sub-steps discussed above, since this variant allows combining a satisfactory cross-linking of the polymer layer with an optimal adhesion of the first covering.
the yarn of this invention shows a high stability, a remarkable workability in weaving the garments and significant wearing comfort for the user.
the yarn and the fabric/garment of this invention can be subjected to an indefinite number of washings, since the filament does not run any risk of tearing or crack as a result of these operations.
the first covering undergoes a considerable adhesion effect with respect to the filament, so as to prevent the unravelling of the yarn during use or during washing.
the aforesaid yarn can also be used in chemically corrosive environments.
the method of this invention allows maintaining intact the properties of the internal core.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Textile Engineering (AREA)
Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

EP15202817.1A 2015-02-09 2015-12-28 Fil pour vêtement de protection, methode de fabrication , vêtement ou tissu Active EP3054040B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL15202817T PL3054040T3 (pl)	2015-02-09	2015-12-28	Przędza do odzieży ochronnej, sposób jej produkcji, odzież lub tkanina

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ITBS20150019		2015-02-09

Publications (2)

Publication Number	Publication Date
EP3054040A1 true EP3054040A1 (fr)	2016-08-10
EP3054040B1 EP3054040B1 (fr)	2017-10-18

Family

ID=52727219

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP15202817.1A Active EP3054040B1 (fr)	2015-02-09	2015-12-28	Fil pour vêtement de protection, methode de fabrication , vêtement ou tissu

Country Status (3)

Country	Link
EP (1)	EP3054040B1 (fr)
ES (1)	ES2656206T3 (fr)
PL (1)	PL3054040T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN106400240A (zh) *	2016-09-22	2017-02-15	江南大学	一种双层包缠纱及其生产方法
CN107503017A (zh) *	2017-09-15	2017-12-22	中原工学院	一种舒适护肤保健性平行纺包缠柔软纱及其制备方法
CN112941689A (zh) *	2020-08-17	2021-06-11	赛立特(南通)安全用品有限公司	一种复合纱线及其加工设备
US11982023B2 (en)	2020-08-17	2024-05-14	Select (Nantong) Safety Products Co., Ltd.	Composite yarns, processing methods and processing devices thereof, and protective equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4777789A (en)	1986-10-03	1988-10-18	Kolmes Nathaniel H	Wire wrapped yarn for protective garments
JPH01139835A (ja) *	1987-11-27	1989-06-01	Showa Kogyo Kk	芯鞘構造糸
WO2003018890A1 (fr) *	2001-08-24	2003-03-06	Sa Schappe	Fil resistant a la coupure, destine notamment a la realisation de vetements de protection
US20060048497A1 (en) *	2004-08-13	2006-03-09	Klaus Bloch	Textile thread
EP2679108A1 (fr) *	2012-06-29	2014-01-01	Filtes International S.r.l.	Fil pour vêtements de protection, sa méthode de fabrication, vêtement ou textile

2015
- 2015-12-28 ES ES15202817.1T patent/ES2656206T3/es active Active
- 2015-12-28 EP EP15202817.1A patent/EP3054040B1/fr active Active
- 2015-12-28 PL PL15202817T patent/PL3054040T3/pl unknown

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4777789A (en)	1986-10-03	1988-10-18	Kolmes Nathaniel H	Wire wrapped yarn for protective garments
JPH01139835A (ja) *	1987-11-27	1989-06-01	Showa Kogyo Kk	芯鞘構造糸
WO2003018890A1 (fr) *	2001-08-24	2003-03-06	Sa Schappe	Fil resistant a la coupure, destine notamment a la realisation de vetements de protection
US20060048497A1 (en) *	2004-08-13	2006-03-09	Klaus Bloch	Textile thread
EP2679108A1 (fr) *	2012-06-29	2014-01-01	Filtes International S.r.l.	Fil pour vêtements de protection, sa méthode de fabrication, vêtement ou textile

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN106400240A (zh) *	2016-09-22	2017-02-15	江南大学	一种双层包缠纱及其生产方法
CN107503017A (zh) *	2017-09-15	2017-12-22	中原工学院	一种舒适护肤保健性平行纺包缠柔软纱及其制备方法
CN112941689A (zh) *	2020-08-17	2021-06-11	赛立特(南通)安全用品有限公司	一种复合纱线及其加工设备
CN112941689B (zh) *	2020-08-17	2022-09-23	赛立特(南通)安全用品有限公司	一种复合纱线及其加工设备
US11982023B2 (en)	2020-08-17	2024-05-14	Select (Nantong) Safety Products Co., Ltd.	Composite yarns, processing methods and processing devices thereof, and protective equipment

Also Published As

Publication number	Publication date
ES2656206T3 (es)	2018-02-26
PL3054040T3 (pl)	2018-04-30
EP3054040B1 (fr)	2017-10-18

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RU2235812C2 (ru)	2004-09-10	Стойкий к прорезанию материал
KR102400567B1 (ko)	2022-05-23	전도성 원사/재봉사, 이것으로 제작된 스마트 직물, 및 의복
EP3054040B1 (fr)	2017-10-18	Fil pour vêtement de protection, methode de fabrication , vêtement ou tissu
CN114981493B (zh)	2023-12-12	用于形成复合纱线的方法和系统
EP4053315B1 (fr)	2024-10-16	Structure de fil composite résistant aux coupures
JP2009538995A (ja)	2009-11-12	耐切断性糸
KR100688899B1 (ko)	2007-03-02	도전성강력금속복합사의 제조방법 및 도전성강력금속복합사
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JPH03124888A (ja)	1991-05-28	ロープ
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KR102197100B1 (ko)	2020-12-30	원단의 유연성을 개선한 자연스러운 염색 농담차를 가지는 폴리에스테르 혼섬사 및 그 제조방법
EP3612670A1 (fr)	2020-02-26	Procédé de fabrication d'un fil, fil et vêtement
TR2022009593T2 (tr)	2022-07-21	Kompozi̇t i̇pli̇k oluşturmak i̇çi̇n yöntemler ve si̇stemler
EP3674456B1 (fr)	2024-08-14	Structure de fil résistant aux coupures
JP2000228931A (ja)	2000-08-22	漁業用組紐材
CA2976264C (fr)	2019-06-18	Tissus de filtrage geotextile tisses comprenant des files ame-gaine
JPH06313234A (ja)	1994-11-08	コアヤーン

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