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WO2003045176A1 - Tissu et structure de protection pour les utilisateurs de scies a chaines electriques portatives - Google Patents

Tissu et structure de protection pour les utilisateurs de scies a chaines electriques portatives Download PDF

Info

Publication number
WO2003045176A1
WO2003045176A1 PCT/IT2002/000749 IT0200749W WO03045176A1 WO 2003045176 A1 WO2003045176 A1 WO 2003045176A1 IT 0200749 W IT0200749 W IT 0200749W WO 03045176 A1 WO03045176 A1 WO 03045176A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
yams
protective
aramid
dtex
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.)
Ceased
Application number
PCT/IT2002/000749
Other languages
English (en)
Inventor
Roberto Fenzi
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.)
LENZI EGISTO SpA
Original Assignee
LENZI EGISTO SpA
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 LENZI EGISTO SpA filed Critical LENZI EGISTO SpA
Priority to AU2002358994A priority Critical patent/AU2002358994A1/en
Priority to EP02793340A priority patent/EP1469753B1/fr
Priority to DK02793340T priority patent/DK1469753T3/da
Priority to DE60227997T priority patent/DE60227997D1/de
Publication of WO2003045176A1 publication Critical patent/WO2003045176A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/24—Resistant to mechanical stress, e.g. pierce-proof
    • A41D31/245—Resistant to mechanical stress, e.g. pierce-proof using layered materials

Definitions

  • This invention refers to a fabric and protective structure to be applied to articles of apparel such as pants, jackets, shoes and boots worn by users of hand held power-driven chainsaws, particularly woodcutters.
  • a first object of this invention is to provide a protective fabric that stops the chain of a power-driven saw in case of accidental contact with the teeth of the chain, even if only a single layer of fabric is used.
  • a second object of the invention is to provide a protective stmcture designed to be applied to the clothing worn by users of chainsaws that is light, flexible and economical to produce.
  • - fig. 1 illustrates a schematic plan view of a protective fabric in conformity with the invention
  • - fig. 2 and 3 illustrate cross-sectional views, taken along a warp thread and respectively a weft thread of the fabric shown in fig. 1, of a protective structure in conformity with a first mode of carrying out the invention
  • - fig. 4 illustrates a schematic perspective view of a protective structure in conformity with a second mode of carrying out the invention
  • - fig. 5 illustrates a cross-sectional view taken along a warp thread of the fabric of the protective stmcture shown in fig. 4.
  • a protective fabric 10 substantially consists of a woven fabric, with a wave of weft threads 12,13 and warp threads 14, having a stmcture with floats in the warp or weft designed to facilitate the rapid release of the threads upon contact with the teeth of a power-driven chainsaw, these floats preferably passing over at least 3 threads.
  • the fabric comprises 15-20 % by weight of aramid yams and 80-85 % of non-aramid yarns with a tenacity of at least 7 gr/dtex. More in particular, in this fabric, the warp yams 14 (or, alternatively, the weft yams) shall be made up exclusively of non-aramid yams.
  • the protective fabric shall have the following construction:
  • - in the weft (or warp) from 5 to 7 yams per cm made of aramid fibers 12, with high tenacity, and of non-aramid fibers 13 with tenacity between 7 and 8.5 gr/dtex.
  • Non-aramid yams 13,14 can be nylon, polyester, polypropylene, polyethylene, LCD, PBO, having a linear density preferably between 560 and 1880 dtex, while aramid yams shall have preferably a linear density between 560 and 3000 dtex.
  • the aramid yams 12 shall alternate with non-aramid yams 13.
  • Fig. 2 and 3 schematically illustrate, in cross-section along a warp yam 14 and respectively a weft yam 12, a protective stmcture 20 in which a single layer of fabric 10
  • This substrate 22 that has the substantial function of providing sufficient space between the surface of the garment potentially exposed to the teeth of the saw and the skin of the user, may consist of a synthetic non- woven fabric with a thickness of not less than 3 mm and weight of not more than 270 gr/sq.mt., made, for example, with fibers in polyester, polypropylene or polyethylene, worked with "Malivlies" technology and voluminized by means of DiLour or DiLoop machines.
  • the voluminized part 22a of the substrate 22 is in contact with the fabric 10.
  • the substrate may consist of a layer of 4-5 mm of thickness of a bicomponent fiber wadding of polyester in which a core is provided with an external heat-sensitive sheath.
  • the external heat-sensitive sheath melts so that the fibers bond together to form a supporting layer that maintains its resiliency even after multiple washings.
  • the stmcture 20 can be quilted. In this way it is possible to counteract any tendency of the yams of the fabric to alter their reciprocal positions due to manipulation, so as to become thinner in some zones with the risk of providing less protection.
  • Garments (pants and jackets) equipped with a protective stmcture, made using a fabric with a substrate as specified above, have passed the tests foreseen by standard EN 381.
  • the substrate may consist of a foam material with a thickness of not less than 4 mm, in polyester, polyether, polyurethane or similar material, preferably open cell and with a density of at least 16 Kg/cu.mt.
  • a protective structure in conformity with the invention, consisting of a single layer of non-woven material (wadding or foam) and a single layer of protective fabric is much more flexible than the multiple-layered stmctures used up to now, and about 60% lighter.
  • Fig. 4 and 5 illustrate a mode of use of a fabric and a protective stmcture in conformity with the invention, in the case of garments (or parts of them) having a limited area potentially exposed to the action of the teeth of a chain saw, such as gloves and footwear.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Woven Fabrics (AREA)
  • Catching Or Destruction (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Outer Garments And Coats (AREA)
  • Soil Working Implements (AREA)

Abstract

L'invention concerne un tissu et une structure de protection (20) destinés aux utilisateurs des scies à chaînes portatives, qui comprennent un tissé (20) dont la structure dotée de flottés facilitant la libération rapide des fils au contact des dents de la scie présente entre 15 et 20 % en poids de fil aramide et entre 80 et 85 % de fils non aramide caractérisés par une résistance à la rupture d'au moins 7gr/dtex, un substrat de support (22) en tissu non tissé, de l'ouate, et enfin, entre 3 et 5 mm de mousse ou de matière similaire destinée à maintenir un espace suffisant entre la surface du vêtement potentiellement exposé aux dents de la scie et la peau de l'utilisateur.
PCT/IT2002/000749 2001-11-28 2002-11-28 Tissu et structure de protection pour les utilisateurs de scies a chaines electriques portatives Ceased WO2003045176A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2002358994A AU2002358994A1 (en) 2001-11-28 2002-11-28 Fabric and protective structure for users of hand held power-driven chainsaws
EP02793340A EP1469753B1 (fr) 2001-11-28 2002-11-28 Structure de protection pour les utilisateurs de scies a chaines electriques portatives
DK02793340T DK1469753T3 (da) 2001-11-28 2002-11-28 Beskyttelseskonstruktioon til brugere af håndholdte kraftdrevne kædesave
DE60227997T DE60227997D1 (fr) 2001-11-28 2002-11-28

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001PO000008A ITPO20010008A1 (it) 2001-11-28 2001-11-28 Tessuto e struttura protettiva per utilizzatori di seghe motorizzate portatili
ITPO2001A00008 2001-11-28

Publications (1)

Publication Number Publication Date
WO2003045176A1 true WO2003045176A1 (fr) 2003-06-05

Family

ID=11453360

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2002/000749 Ceased WO2003045176A1 (fr) 2001-11-28 2002-11-28 Tissu et structure de protection pour les utilisateurs de scies a chaines electriques portatives

Country Status (9)

Country Link
EP (1) EP1469753B1 (fr)
AT (1) ATE402623T1 (fr)
AU (1) AU2002358994A1 (fr)
DE (1) DE60227997D1 (fr)
DK (1) DK1469753T3 (fr)
ES (1) ES2310616T3 (fr)
IT (1) ITPO20010008A1 (fr)
PT (1) PT1469753E (fr)
WO (1) WO2003045176A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017217923A1 (fr) * 2016-06-17 2017-12-21 Jirotex Furudahlsgruppen Ab Matériau de protection conçu pour empêcher la découpe du matériau

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279956A (en) * 1980-02-14 1981-07-21 Wheelabrator Corporation Of Canada Limited Fabric for use in protection for chain saws
DE8422280U1 (de) * 1984-07-26 1985-03-14 Hero-Textil GmbH, 7180 Crailsheim Schnittschutzeinlage fuer sicherheitsbekleidung und sicherheitsschuhe
US5395683A (en) * 1993-03-26 1995-03-07 Alliedsignal Inc. Protective pad
US5876834A (en) * 1998-01-23 1999-03-02 E. I. Du Pont De Nemours And Company Protective chain saw chaps

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2739759B1 (fr) * 1995-10-17 1998-02-06 Oci Sa Tissu destine a etre utilise en matelas multi-couches monte dans un vetement de protection et vetement de protection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279956A (en) * 1980-02-14 1981-07-21 Wheelabrator Corporation Of Canada Limited Fabric for use in protection for chain saws
DE8422280U1 (de) * 1984-07-26 1985-03-14 Hero-Textil GmbH, 7180 Crailsheim Schnittschutzeinlage fuer sicherheitsbekleidung und sicherheitsschuhe
US5395683A (en) * 1993-03-26 1995-03-07 Alliedsignal Inc. Protective pad
US5876834A (en) * 1998-01-23 1999-03-02 E. I. Du Pont De Nemours And Company Protective chain saw chaps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017217923A1 (fr) * 2016-06-17 2017-12-21 Jirotex Furudahlsgruppen Ab Matériau de protection conçu pour empêcher la découpe du matériau

Also Published As

Publication number Publication date
PT1469753E (pt) 2008-10-22
DK1469753T3 (da) 2008-11-17
EP1469753B1 (fr) 2008-07-30
ATE402623T1 (de) 2008-08-15
EP1469753A1 (fr) 2004-10-27
DE60227997D1 (fr) 2008-09-11
ITPO20010008A1 (it) 2003-05-28
ES2310616T3 (es) 2009-01-16
AU2002358994A1 (en) 2003-06-10

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