WO2001005630A1 - Sangle a deux couches - Google Patents

Sangle a deux couches Download PDF

Info

Publication number
WO2001005630A1
WO2001005630A1 PCT/EP2000/002771 EP0002771W WO0105630A1 WO 2001005630 A1 WO2001005630 A1 WO 2001005630A1 EP 0002771 W EP0002771 W EP 0002771W WO 0105630 A1 WO0105630 A1 WO 0105630A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
uwl
warp threads
webbing
weave
Prior art date
Application number
PCT/EP2000/002771
Other languages
German (de)
English (en)
Inventor
Johann Berger
Original Assignee
Johann Berger
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 Johann Berger filed Critical Johann Berger
Priority to AU45407/00A priority Critical patent/AU4540700A/en
Publication of WO2001005630A1 publication Critical patent/WO2001005630A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/18—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags the inflatable member formed as a belt or harness or combined with a belt or harness arrangement
    • 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
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/02—Inflatable articles

Definitions

  • the invention relates to a two-layer webbing, in particular for an at least partially inflatable seat belt.
  • a belt which is designed as a hose and is designed with a sewn-in tear fold so that it tears open in the event of a collision due to tensile forces exerted by the belt and the opening of a valve coupled therewith causes the hose belt to inflate ,
  • the local restriction of an inflatable belt part described here no longer corresponds to today's protection requirements and is insufficient for a suitable protection of the upper body of a vehicle passenger.
  • a seat belt device in which a burstable hose that contains a folded airbag can be attached at the desired location in the chest or lap area of a conventional seat belt by means of a so-called Velcro connection.
  • the device described here has two decisive major disadvantages.
  • the hose containing the airbag part is relatively easy to detach from the seat belt.
  • the second major disadvantage is that the seat belt / airbag belt combination held together by means of a Velcro fastener is extremely heavy and therefore practically cannot be accommodated in any retraction mechanism.
  • the object is achieved with a two-layer webbing according to claim 1. Because of the combination of a webbing layer made of elastic material in the longitudinal direction of the webbing, disruptive relative movement of the webbing layers relative to one another can be compensated for without problems.
  • the seat belt always remains taut, but still supple and smooth.
  • the elastic layer is made from a knitted fabric or from a material woven with elastic or textured warp threads.
  • the individual components can be individually manufactured inexpensively in a conventional manner and then assembled together.
  • the hose for an airbag, which is integrated with the webbing, is permanently attached to the seat belt and is always in the place where it is needed.
  • the development according to the invention according to claim 2 has the advantage that the upper and lower layers, which are firmly connected to one another, for example, by means of a connecting seam, carry a preferably woven airbag, which can unfold along a predetermined breaking line when the belt strap explodes. It is intended to arrange the seat belt with the webbing according to the invention so that the predetermined breaking line arranged centrally in the longitudinal direction of the webbing points away from the body of the passenger to be protected.
  • the explosion of the seat belt created with the belt strap according to the invention is carried out via a led releasable connection running along one of the two edges, so that this results in a lateral tear seam, via which the exploding airbag can deploy.
  • the upper and lower layers are woven.
  • the upper weave layer is produced in a central area with certain warp threads, which consist of elastic or textured material. It is particularly advantageous in this embodiment that adjacent edge regions are arranged next to the central region of the two layers, the warp threads of which are considerably finer than the specific warp threads of the central regions.
  • the aim is advantageously also to make the weft thread or weft threads much finer, approximately equal to the degree of fineness of the warp threads of the edge regions. This results in an airbag fabric in the edge areas.
  • edge regions at least between the edge regions and the central region of the lower weave layer, some warp threads are arranged, the fineness of which is approximately half the fineness of the specific warp thread.
  • the edge regions are folded into the space between the upper and lower weave layers of the previously described exemplary embodiment - there the edge regions are of course also always folded in between the upper and lower weave layers - a soft edge, which is particularly advantageous for handling and also the wear behavior of the webbing against the textiles of the passenger.
  • Figure 1 shows an embodiment of a webbing according to the invention schematically in a sectional view.
  • Figure 2 shows a further embodiment of the invention schematically in a
  • FIG. 3 shows a further exemplary embodiment of the invention schematically in section, in which a releasable connection between the upper and lower layers is arranged in the region of the side edge of the central regions of the upper and lower layers.
  • Figure 4 shows a further embodiment of the invention schematically in cross section, in which the central regions of the upper and lower weave are each bordered laterally.
  • Figure 5 shows the webbing of Figure 4 after folding the edge areas between the upper and lower middle area.
  • Figure 6 shows an advantageous development of the representation of Figure 4 with between
  • Edge areas and middle areas arranged warp thread with a fineness half compared to the specific warp threads, schematically in section.
  • Figure 1 shows an upper layer OL and a lower layer UWL.
  • the parallel to each other layers of the webbing G have about the width of a conventional safety belt and are connected to each other in the region of their edges by means of threads N. If the two-day webbing shown here is deflected or even wound around an axis WA running parallel to the layers, the upper layer OL can be slightly stretched, so that a relative movement between the upper layer and the lower layer can be compensated. This is possible because the material of the upper layer consists of a material that is elastic in the longitudinal direction of the webbing.
  • FIG. 2 shows a further exemplary embodiment of the invention with a lower weave layer UWL, over which an upper layer OL is arranged with a predetermined breaking line RN arranged in the middle.
  • the central axis WA is shown, around which the webbing G is to be wound or deflected in accordance with the arrow indicated.
  • a folded airbag LS is shown between the upper layer OL and the lower weave layer UWL.
  • the wall thicknesses of the upper layer OL and the lower weave layer UWL are much thicker than the wall thickness of the airbag LS.
  • a predetermined breaking line RN indicated as a thickness weakening, in the area of which the upper layer OL of the belt webbing G should tear open in the explosion.
  • the airbag SL which is arranged between the layers and is only firmly connected to the lower layer UWL at the two locations denoted by N, can expand (according to the illustration in FIG. 2 upwards).
  • FIG. 2 also shows the winding axis WA and a curved arrow to indicate the winding direction of the webbing G.
  • the upper layer OL is the layer which is more elastic than the lower layer UWL and which is intended to take over the outer position with the larger winding circumference when winding.
  • the folding arrangement of the airbag fabric approximately in the shape of the letter Z, chosen in FIG. 2 for reasons of simplification, is chosen arbitrarily: here, other folding patterns that appear appropriate to the person skilled in the art can be selected here.
  • Figure 3 shows a webbing similar to the embodiment of Figure 2, but in which the upper layer has no predetermined breaking line. Instead, the connecting thread of the right edge is replaced by a tear-open thread AN which breaks when the airbag belt explodes, so that the airbag develops essentially to the right (in the illustration according to FIG. 3) during the explosion.
  • a hose lance SL shown in section, is arranged in the middle area of the belt strap, which is located inside the folded air bag LS and supplies it with explosion gas in the event of a collision.
  • FIG. 4 shows a further advantageous embodiment of the invention, in which the entire webbing arrangement is produced in one piece as a two-layer fabric closed at the edges on a needle ribbon or jacquard weaving machine.
  • the representation after Figure 4 shows the webbing according to the invention after weaving, but before use as an airbag belt.
  • the shot runs across the entire width, ie RB / OMB (UMB) / RB and back.
  • This arrangement of the two layers of the webbing according to the invention is extremely cost-effective to produce in a weaving process, with different warp thread strengths and qualities being selected for the different areas according to the invention.
  • the warp thread material of the lower middle region UMB of the lower weave layer UWL is approximately the same in all exemplary embodiments of the invention.
  • the warp threads in the middle area UMB of the lower weaving layer UWL have the total breaking load of a conventional webbing.
  • the warp threads of the upper middle area OMB used here are made of elastic material.
  • FIG. 5 shows the belt webbing according to FIG. 4 after the edge regions RB have been folded in or in between the middle regions OMB and UMB of the two layers, as shown. This folding results in an airbag LS according to FIG. 5, the wall of which results from the central areas OMB and UMB of the two layers and from the four edge areas (two times two edge areas) of the two layers UWL and OWL.
  • FIG. 6 shows an advantageous development of the embodiment according to FIGS. 4 and 5, in which some warp threads KK are arranged in the lower layer UWL between the edge regions RB and the central region UMB, the fineness of which is approximately half the fineness of the specific warp threads MUK.
  • the warp threads of the edge areas RB are labeled RK.
  • the warp threads KK shown here are each indicated as three black dots on the side of the lower middle area. These are only symbolically intended as placeholders for a number of "medium-thick" warp threads which the person skilled in the art deems to be favorable for the edge regions of the seat belt which ultimately arise in order to create a soft, handling-friendly edge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Woven Fabrics (AREA)

Abstract

L'invention concerne une sangle à deux couches, destinée notamment à une ceinture de sécurité au moins partiellement gonflable. Cette sangle, se présentant sous la forme d'un tube aplati, comprend une (première) couche inférieure (UWL) et une (deuxième) couche supérieure (OL). La couche inférieure (UWL) est tissée et présente des fils de chaîne non élastiques (UK), et la couche supérieure (OL) est constituée d'un matériau qui est élastique dans le sens longitudinal de la sangle.
PCT/EP2000/002771 1999-07-14 2000-03-29 Sangle a deux couches WO2001005630A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU45407/00A AU4540700A (en) 1999-07-14 2000-03-29 Two-layered belt

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19932940.0 1999-07-14
DE1999132940 DE19932940C2 (de) 1999-07-14 1999-07-14 Gurtband

Publications (1)

Publication Number Publication Date
WO2001005630A1 true WO2001005630A1 (fr) 2001-01-25

Family

ID=7914755

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/002771 WO2001005630A1 (fr) 1999-07-14 2000-03-29 Sangle a deux couches

Country Status (3)

Country Link
AU (1) AU4540700A (fr)
DE (1) DE19932940C2 (fr)
WO (1) WO2001005630A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010045650A1 (de) * 2010-09-17 2012-03-22 Autoliv Development Ab Aufblasbarer Sicherheitsgurt
US11535189B2 (en) 2018-07-03 2022-12-27 Autoliv Development Ab Belt strap for a safety belt device of a motor vehicle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10319953A1 (de) * 2003-10-22 2005-08-04 Klaiber, Mike Bernd Air-Gurt (ASEB) aktiver Personenschutz in Kraftfahrzeugen
DE102010023825B3 (de) * 2010-06-15 2011-07-07 Berger, Johann, 73553 Aufblasbares gewebtes schlauchförmiges Gurtband
DE102010023875B4 (de) 2010-06-15 2021-10-21 Daimler Ag Sicherheitsgurt für ein Fahrzeug
DE102011109616A1 (de) * 2011-08-05 2013-02-07 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Aufblasbarer Sicherheitsgurt
DE102011118110A1 (de) * 2011-11-09 2013-05-16 Daimler Ag Gurtband für ein Sicherheitsgurtsystem

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008048A1 (de) 1970-02-21 1971-09-02 Rutzki geb Wilke, Edith, 6901 Heidelberg Dossenheim Sicherheitsgurt
US4348037A (en) 1980-06-03 1982-09-07 Thiokol Corporation Safety cushion attachable to belt-type restraints
EP0652140A1 (fr) * 1993-11-03 1995-05-10 Hang Sup Ohm Ceinture de sécurité pneumatique d'automobile comportant un sac gonflable
EP0901942A2 (fr) * 1997-09-02 1999-03-17 Takata Corporation Dispositif de ceinture de sécurité gonflable

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714088A1 (de) * 1987-04-28 1988-12-01 Messerschmitt Boelkow Blohm Gurtband fuer ein rueckhaltesystem in einem fahrzeug, insbesondere in einem luftfahrzeug

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008048A1 (de) 1970-02-21 1971-09-02 Rutzki geb Wilke, Edith, 6901 Heidelberg Dossenheim Sicherheitsgurt
US4348037A (en) 1980-06-03 1982-09-07 Thiokol Corporation Safety cushion attachable to belt-type restraints
EP0652140A1 (fr) * 1993-11-03 1995-05-10 Hang Sup Ohm Ceinture de sécurité pneumatique d'automobile comportant un sac gonflable
EP0901942A2 (fr) * 1997-09-02 1999-03-17 Takata Corporation Dispositif de ceinture de sécurité gonflable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010045650A1 (de) * 2010-09-17 2012-03-22 Autoliv Development Ab Aufblasbarer Sicherheitsgurt
DE102010045650B4 (de) * 2010-09-17 2015-11-12 Autoliv Development Ab Aufblasbarer Sicherheitsgurt
US11535189B2 (en) 2018-07-03 2022-12-27 Autoliv Development Ab Belt strap for a safety belt device of a motor vehicle

Also Published As

Publication number Publication date
AU4540700A (en) 2001-02-05
DE19932940A1 (de) 2001-01-25
DE19932940C2 (de) 2001-05-10

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