EP1219916B1 - Gilet pare-balles - Google Patents

Gilet pare-balles Download PDF

Info

Publication number
EP1219916B1
EP1219916B1 EP20010204893 EP01204893A EP1219916B1 EP 1219916 B1 EP1219916 B1 EP 1219916B1 EP 20010204893 EP20010204893 EP 20010204893 EP 01204893 A EP01204893 A EP 01204893A EP 1219916 B1 EP1219916 B1 EP 1219916B1
Authority
EP
European Patent Office
Prior art keywords
vest
packets
layers
weight
fibers
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.)
Expired - Lifetime
Application number
EP20010204893
Other languages
German (de)
English (en)
Other versions
EP1219916A1 (fr
Inventor
Jan Lodewijk Lindemulder
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.)
DSM IP Assets BV
Original Assignee
DSM IP Assets BV
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 EP00204641A external-priority patent/EP1219915A1/fr
Application filed by DSM IP Assets BV filed Critical DSM IP Assets BV
Priority to EP20010204893 priority Critical patent/EP1219916B1/fr
Publication of EP1219916A1 publication Critical patent/EP1219916A1/fr
Application granted granted Critical
Publication of EP1219916B1 publication Critical patent/EP1219916B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers
    • F41H5/0485—Layered armour containing fibre- or fabric-reinforced layers all the layers being only fibre- or fabric-reinforced layers

Definitions

  • the invention relates to a ballistic vest with protection factor SK 1 and a surface weight between 3.7 and 4.1 kg / m 2 and which contains a stack of flexible packets composed of unidirectional layers consisting largely of a first type of fiber, namely polybenzoxazole ( PBO), wherein the fibers in a unidirectional layer are mainly parallel and form an angle greater than 0 degrees to the fibers of the adjacent layer.
  • a ballistic vest with protection factor SK 1 and a surface weight between 3.7 and 4.1 kg / m 2 and which contains a stack of flexible packets composed of unidirectional layers consisting largely of a first type of fiber, namely polybenzoxazole ( PBO), wherein the fibers in a unidirectional layer are mainly parallel and form an angle greater than 0 degrees to the fibers of the adjacent layer.
  • PBO polybenzoxazole
  • Ballistic vests consisting of unidirectional PBO fiber layers and characterized by an SK1 protection factor, ie bullet-resistant to 9 mm Geco steel sheath ammunition at 410 m / s, are known to the market.
  • SK1 protection factor ie bullet-resistant to 9 mm Geco steel sheath ammunition at 410 m / s
  • a surface weight of about 3.7 kg / m 2 is required.
  • the object of the invention is to develop a vest containing at most 2.6 kg / m 2 unidirectional layers of PBO fiber, while maintaining the SK 1 protection factor and increasing the surface weight by no more than 10%.
  • This objective is achieved by making the vest at the weft side of packets of second fiber type layers, these packets of second fiber type layers constituting 40-80% by weight of the vest and containing predominantly aramid or HPPE fibers.
  • HPPE fibers are preferred.
  • a vest which contains at a surface weight of 3.7 to 4.1 kg / m 2 and a SK 1 protection factor at most 2.46 kg / m 2 PBO UD.
  • Surface weight is defined here as the weight of the vest per square meter.
  • HPPE fibers are stretched ultra-high molecular weight polyethylene fibers.
  • Ultrahigh molecular weight polyethylene fibers are made of polyethylene having an average molecular weight of at least 500,000 kg / kmol. The molecular weight is preferably more than 2,000,000 kg / kmol.
  • SK 1 protection means that the vest complies with the requirements of the German protection class 1 standard.
  • a vest consists of a stack of packets of strong fibers. These packets may be constructed of two or more layers of unidirectional fibers. In this case, the fibers usually run parallel and form an angle to the fibers of an adjacent layer that is greater than 0 degrees.
  • a packet should preferably consist of two or four layers.
  • the vest preferably comprises 50-70 weight percent layers of the second grade. This ensures that the weight deviates less than 5% from that of a vest made entirely from PBO layers.
  • Fibers we mean stretched objects whose length is significantly greater than their width or thickness. Fibers contain continuous mono- and multifilaments such as staple or cut fibers.
  • strong fibers in this new development generally indicates fibers having a thickness of at least 6 dN / tex, a modulus of at least 130 dN / tex and a breaking energy of at least 8 J / g. Preference is given to strong fibers, fibers having a thickness of at least 10 dN / tex, a modulus of at least 200 dN / tex and a breaking energy of at least 20 J / g. More preferred are fibers having a thickness of at least 16 dN / tex, a modulus of at least 400 dN / tex, and a fracture energy of at least 27 J / g.
  • strong fibers are both aramid and HPPE fibers in question.
  • the SK 1 protection factor for a vest was less than 4.1 kg / m 2 and less than 70 weight percent PBO fibers in the compilation of Example 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Claims (3)

  1. Gilet pare-balles avec un facteur de protection SK 1, c'est-à-dire résistant à la pénétration à 410 m/s d'une munition 9 mm de Geco à chemise acier, et un grammage compris entre 3,7 et 4,1 kg/m2, comprenant un empilement de petits paquets flexibles, faits de couches unidirectionnelles rassemblées constituées principalement d'un premier type de fibre, à savoir des fibres de PBO, dans lequel les fibres sont principalement orientées parallèlement dans une couche unidirectionnelle, et forment avec les fibres de la couche voisine un angle supérieur à 0 degré caractérisé en ce que le gilet est constitué du côté impact de petits paquets de couches d'un deuxième type de fibres, dans lequel ces petits paquets de couches du deuxième type de fibres constituent 40 à 80 % du poids du gilet, et contiennent principalement des fibres d'aramide ou de HPPE.
  2. Gilet pare-balles selon la revendication 1, dans lequel les petits paquets de couches du deuxième type de fibres constituent 50 à 70 % du poids du gilet.
  3. Gilet pare-balles selon la revendication 1 ou 2, dans lesquels les couches du deuxième type contiennent principalement des fibres de HPPE.
EP20010204893 2000-12-19 2001-12-17 Gilet pare-balles Expired - Lifetime EP1219916B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20010204893 EP1219916B1 (fr) 2000-12-19 2001-12-17 Gilet pare-balles

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00204641 2000-12-19
EP00204641A EP1219915A1 (fr) 2000-12-19 2000-12-19 Gilet ballistique
EP20010204893 EP1219916B1 (fr) 2000-12-19 2001-12-17 Gilet pare-balles

Publications (2)

Publication Number Publication Date
EP1219916A1 EP1219916A1 (fr) 2002-07-03
EP1219916B1 true EP1219916B1 (fr) 2006-08-09

Family

ID=26072910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010204893 Expired - Lifetime EP1219916B1 (fr) 2000-12-19 2001-12-17 Gilet pare-balles

Country Status (1)

Country Link
EP (1) EP1219916B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2276818B1 (fr) 2008-04-14 2013-03-13 Dow Corning Corporation Émulsions d'organopolysiloxanes réticulés par le bore
RU2474783C1 (ru) * 2012-02-02 2013-02-10 Общество с ограниченной ответственностью Научно-производственное предприятие "АРМОКОМ-ЦЕНТР" Броне-теплозащитный комбинезон

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003405C2 (nl) * 1996-06-24 1998-01-07 Dsm Nv Antiballistisch vormdeel.
US6047399A (en) * 1997-10-24 2000-04-11 Second Chance Body Armor, Inc. Multi-component protective garment with composite strike face and woven base
US6151710A (en) * 1998-10-17 2000-11-28 Second Chance Body Armor, Inc. Multi-component lightweight ballistic resistant garment
TWI227197B (en) * 1998-12-21 2005-02-01 Du Pont Hybrid protective composite

Also Published As

Publication number Publication date
EP1219916A1 (fr) 2002-07-03

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