WO2014175566A1 - Caoutchouc d'étanchéité d'un véhicule, raidisseur pour un caoutchouc d'étanchéité d'un véhicule et procédé de fabrication de ce dernier - Google Patents

Caoutchouc d'étanchéité d'un véhicule, raidisseur pour un caoutchouc d'étanchéité d'un véhicule et procédé de fabrication de ce dernier Download PDF

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Publication number
WO2014175566A1
WO2014175566A1 PCT/KR2014/002711 KR2014002711W WO2014175566A1 WO 2014175566 A1 WO2014175566 A1 WO 2014175566A1 KR 2014002711 W KR2014002711 W KR 2014002711W WO 2014175566 A1 WO2014175566 A1 WO 2014175566A1
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WO
WIPO (PCT)
Prior art keywords
reinforcement
bar
weather strip
vehicle
dam
Prior art date
Application number
PCT/KR2014/002711
Other languages
English (en)
Korean (ko)
Inventor
임계화
Original Assignee
Lim Geehwa
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 Lim Geehwa filed Critical Lim Geehwa
Priority to CN201480021282.1A priority Critical patent/CN105121198A/zh
Publication of WO2014175566A1 publication Critical patent/WO2014175566A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/15—Sealing arrangements characterised by the material
    • B60J10/18—Sealing arrangements characterised by the material provided with reinforcements or inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs

Definitions

  • the present invention relates to a weather strip of a vehicle, and more particularly, to form a bend on the outer circumferential surface of the reinforcement used for the weather strip of the vehicle, to provide a reinforcement for the weather strip of the vehicle having a higher rigidity than the reinforcement which is not formed on the outer circumference. It is to.
  • a weather strip is mounted along a flange of a door opening or a window opening of a vehicle such as an automobile.
  • a weather strip is a kind of airtight member that is mounted along the gap between the door and the window, and serves to block foreign matters such as rainwater and dust that enter through the gap between the door and the window, and the wind sound.
  • the weather strip which plays such a role, is extruded into a shape having a U-shaped strip in cross section by a polymer material such as rubber or thermoplastic resin (including thermoplastic elastomer), and the U-shaped strip is formed into a door or window. It is used by being fixed to the flange of the opening.
  • a polymer material such as rubber or thermoplastic resin (including thermoplastic elastomer)
  • Such a weather strip is integrated by embedding a long reinforcement reinforcement having a U-shaped cross section inside the strip.
  • the weather strip can be stably fixed to the flange of the opening.
  • the reinforcement embedded in the strip has a rigidity that can withstand a constant external force so that the strip does not deform at a constant external force so that the strip can be stably fixed to the flange of the opening.
  • the reinforcement needs to have the necessary rigidity. Because of this, the reinforcement should be kept thicker than a certain thickness, and as the thickness of the reinforcement is thickened, the weight of the reinforcement increases, which increases the weight of the weather strip embedded with the reinforcement.
  • the present invention is formed in the form of a long plate, a plurality of reinforcement bar arranged in a line at a predetermined interval along the long side direction, integrally formed with the reinforcement bar, the plurality of reinforcement bar in the long side direction It includes at least one dam bar to connect, and provides a reinforcement for the weather strip of the vehicle, characterized in that the V-shape is formed on the upper and lower surfaces of the reinforcement bar and the dam bar.
  • the dam bar is configured in pairs, characterized in that spaced apart from the center of the reinforcement bar to connect the plurality of reinforcement bars in the long side direction, respectively.
  • the V-shaped bends formed on the upper and lower surfaces of the reinforcing bar and the dam bar are rolled on a roller having a V-shaped bend formed on an outer circumferential surface thereof.
  • the upper and lower surfaces of the reinforcing bar and the dam bar are inclined to face diagonally with respect to the center of the reinforcing bar to form a V-shaped bend.
  • the V-shaped bends formed on the upper and lower surfaces of the reinforcing bar and the dam bar are characterized in that the angle between the angle is greater than 90 degrees and less than 180 degrees.
  • the interval between the V-shaped bends formed on the upper and lower surfaces of the reinforcement bar and the dam bar is 0.6 to 2 mm.
  • the material of the reinforcement bar and the dam bar is a cold rolled steel sheet (cold rolled steel sheet), spring steel sheet, high-tensile steel sheet, stainless steel sheet, non-ferrous metal sheet of any one of the metal plate or hard It is characterized by being a plate-shaped thermoplastic synthetic resin.
  • the present invention includes an airtight member coupled along an edge of a door or window of the vehicle, and a weather strip reinforcement of the vehicle embedded in the airtight member, wherein the weather strip reinforcement of the vehicle is formed in a long plate shape and has a long side.
  • a plurality of reinforcement bars arranged in a line at a predetermined interval along a direction, and at least one dam bar integrally formed with the reinforcement bars, and connecting the plurality of reinforcement bars in a long side direction, wherein the reinforcement bars and the upper surfaces of the dam bars And it provides a weather strip of the vehicle, characterized in that the V-shaped bend is formed on the lower surface.
  • a plurality of reinforcing bars are arranged in a row at regular intervals along a long side direction by rolling or punching a long plate-shaped metal plate, and are integrally formed with the reinforcing bars.
  • a method for manufacturing a reinforcement material for a strip is provided.
  • the bending forming step is to pass through the metal plate through the roller formed with the V-shaped bend on the outer circumferential surface V-shaped on the upper and lower surfaces of the reinforcement bar and the dam bar It is characterized by forming a bend.
  • the weather strip reinforcement of the vehicle and the manufacturing method thereof are formed on the upper and lower surfaces of the reinforcement, so that the thickness is thinner than the reinforcement which does not form the V-shaped bend.
  • the manufacturing cost of the reinforcing material can be lowered.
  • FIG. 1 is a view showing a reinforcing material for a weather strip of a vehicle according to an embodiment of the present invention.
  • FIG. 2 is a view showing a weather strip of a vehicle including a reinforcement for the weather strip of the vehicle according to an embodiment of the present invention.
  • Figure 3 is a view showing the appearance of forming the V-shaped curves on the upper and lower surfaces of the reinforcing bar and the dam bar in the bending forming step according to an embodiment of the present invention.
  • FIG. 4 is an enlarged view of a portion “A” of FIG. 3.
  • FIG. 1 is a view showing a weather strip reinforcement of the vehicle according to an embodiment of the present invention
  • Figure 2 is a view showing a weather strip of the vehicle including a weather strip reinforcement of the vehicle according to an embodiment of the present invention.
  • a weather strip 50 of a vehicle includes an airtight member 70 and a reinforcement material 100 for a weather strip of the vehicle.
  • the airtight member 70 is a member that is mounted along the edge of the door or window of the vehicle, and is a member that blocks foreign matters such as rainwater, dust, and the like that are blown through the gap between the door or the window and wind blowing sound.
  • the airtight member 70 is made of a flexible polymer material such as rubber or thermoplastic synthetic resin (including thermoplastic elastomer), and is inserted into the flange of the opening of the door or window, and foreign matter such as rain water, dust, and wind noise
  • the part mounted on the flange of the opening of the door or window has a U-shape in order to block the gap.
  • a reinforcing material having rigidity necessary for fixing is used.
  • the weather strip 50 of the vehicle includes a reinforcement material 100 for the weather strip of the vehicle having the rigidity necessary to stably secure the flange of the opening of the door or window.
  • the weather strip reinforcement 100 When the weather strip reinforcement material 100 is embedded in the airtight member 70, the weather strip reinforcement 100 has the same U-shape as the portion mounted on the flange of the opening of the door or the window of the airtight member 70.
  • the weather strip reinforcement 100 of the vehicle according to the embodiment of the present invention includes a plurality of reinforcement bars 10 and at least one dam bar 30.
  • the reinforcement bar 10 is formed in an elongated plate shape and is arranged in a line at regular intervals along the long side direction. Since the plurality of reinforcing bars 10 are arranged in a line at regular intervals along the long side direction, a space separator 12 is formed between neighboring reinforcing bars 10.
  • the reason for forming the space separator 12 between the reinforcing bars 10 is to allow the weather strip 50 of the vehicle to bend flexibly in the long side direction. That is, the weather strip reinforcement 100 of the vehicle has a rigidity that can be stably fixed to the weather strip 50 of the vehicle is mounted on the flange of the opening of the door or window, the space separation unit 12 is formed The weather strip 50 of the vehicle can be flexibly bent in the long side direction.
  • the dam bar 30 is formed integrally with the reinforcing bar 10 and connects the plurality of reinforcing bars 10 in the long side direction.
  • Dam bar 30 is composed of a pair, spaced apart based on the center of the reinforcing bar 10 is connected to each of the plurality of reinforcing bars 10 in the long side direction. That is, two rows of dam bars 30 connecting neighboring reinforcement bars 10 are installed, and space separation units 12 between neighboring reinforcement bars 10 are divided into three regions by two rows of dam bars 30. It is divided.
  • the dam bar 30 is a portion connecting the plurality of reinforcing bars 10, the space separator 12 becomes narrower as the dam bar 30 becomes wider. Therefore, in the exemplary embodiment of the present invention, the dam bars 30 are constituted by a pair, and are spaced apart based on the center of the reinforcing bar 10 to connect the plurality of reinforcing bars 10, respectively, and thus, the plurality of reinforcing bars 10. In addition to connecting the, to secure the space separation unit 12 in the center of the reinforcing bar 10 through the space separation unit 12 can be flexibly bent in the long side direction of the weather strip 50 of the vehicle. .
  • the dam bars 30 may be configured in one row, and the plurality of reinforcing bars 10 may be connected in the long side direction based on the centers of the plurality of reinforcing bars 10. That is, the dam bars 30 connecting neighboring reinforcement bars 10 are installed in one row, and the space separation unit 12 between neighboring reinforcement bars 10 is divided into two regions by the dam bars 30 in one row. Can be divided.
  • dam bar 30 is formed at the center of the reinforcement bar 10 such that the weather strip 50 of the vehicle in which the weather strip reinforcement 100 of the vehicle is embedded in the airtight member 70 can be flexibly bent in the long side direction. If the space separator 12 can be secured, the dam bars may be configured in three or more rows.
  • the weather strip reinforcement 100 of the vehicle can be divided into the number of products of one or two rows of the dam bar 30, the type of the dam bar 30 is separated after extrusion molding according to the product characteristics by body parts. (Separable type) or the dam bar 30 can be divided into the type (non-separable type) which is not isolate
  • the material of the reinforcing bar 10 and the dam bar 30 integrally formed is cold rolled steel sheet to have rigidity that the weather strip 50 of the vehicle can be mounted on the flange of the opening of the door or window and can be stably fixed.
  • rolled steel sheet spring steel sheet, high tensile steel sheet, stainless steel sheet, non-ferrous metal sheet any one of the metal plate or a rigid plate-shaped thermoplastic synthetic resin can be used.
  • V-shaped bends 20 are formed on the upper and lower surfaces of the reinforcement bar 10 and the dam bar 30.
  • the rigidity of the reinforcement 100 for the weather strip of the vehicle is increased than when the V-shaped bends are not formed.
  • the elongation of the reinforcement material 100 for the weather strip of the vehicle is increased, thereby increasing the reinforcement bar 10 and the dam bar.
  • the stiffness is increased than when V-shaped bends are not formed in the upper and lower surfaces of 30.
  • the rigidity may be increased by 20 to 40% compared to the reinforcement for the weather strip of the vehicle where the V-shaped bends are not formed.
  • the thickness can be formed 20 to 40% thin. Therefore, the weather strip reinforcement 100 of the vehicle according to the embodiment of the present invention reduces the weight of the weather strip reinforcement of the vehicle is not formed V-shaped, for the weather strip of the vehicle according to an embodiment of the present invention The weight of the weather strip 50 of the vehicle including the reinforcement 100 can be reduced.
  • the weather strip reinforcement 100 of the vehicle according to an embodiment of the present invention may be lower manufacturing cost than the weather strip reinforcement of the vehicle is not formed V-shaped bend.
  • the weather strip reinforcement of the existing vehicle is any one of cold rolled steel sheet (spring roll, high tensile steel sheet, stainless steel sheet, non-ferrous metal sheet) having a thickness of 0.3 to 0.6mm to secure rigidity
  • the metal plate of was used.
  • the weather string reinforcement 100 according to an embodiment of the present invention has a thickness of 20 to 40% thinner than the weather strip reinforcement of the conventional vehicle, but cold rolling having the same strength as the weather strip reinforcement of the existing vehicle.
  • Cold rolled steel sheet, spring steel sheet, high tensile steel sheet, stainless steel sheet, non-ferrous metal sheet of any one of the metal plate can be used.
  • the V-shaped bends 20 formed on the upper and lower surfaces of the reinforcing bar 10 and the dam bar 30 are inclined to face diagonally with respect to the center of the reinforcing bar 10 to form the V-shaped bend 20. can do.
  • the V-shaped bends 20 formed on the upper and lower surfaces of the reinforcing bar 10 and the dam bar 30 form diagonal bends having a constant slope from both ends to the ends of the reinforcing bar 10 that give rigidity.
  • the reinforcement bar 10 may have the same rigidity to both ends based on the center of the reinforcement bar 10.
  • the V-shaped bend 20 formed on the upper and lower surfaces of the reinforcing bar 10 and the dam bar 30 may have an angle greater than 90 degrees and less than 180 degrees.
  • the spacing of the V-shaped bends 20 formed on the upper and lower surfaces of the reinforcing bar 10 and the dam bar 30 may be 0.6 to 2 mm. If the interval between the V-shaped bend 20 formed on the upper and lower surfaces of the reinforcement bar 10 and the dam bar 30 is less than 0.6 mm or more than 2 mm, the reinforcement material 100 for the weather strip of the vehicle according to the embodiment of the present invention. The stiffness of the stiffness will not increase the stiffness 20 to 40% than the reinforcement for the weather strip of the conventional vehicle.
  • V-shaped bends 20 formed on the upper and lower surfaces of the reinforcing bar 10 and the dam bar 30 have concave and convex portions formed on the upper and lower surfaces repeatedly to form the V-shaped bends 20. Referring to Figure 3 as follows.
  • FIG. 4 is an enlarged view of a portion “A” of FIG. 3.
  • the V-shaped bends 20 formed on the upper and lower surfaces of the reinforcing bar 10 and the dam bar 30 are convexly formed with concave portions 22 formed concave on the upper and lower surfaces.
  • the portion 24 may be repeatedly formed to form the V-shaped bend 20.
  • the upper surfaces of the reinforcing bar 10 and the dam bar 30 form the recess 22
  • the lower surface of the reinforcing bar 10 and the recess 22 of the upper surface may form the convex portion 24.
  • the concave portion 22 and the convex portion 24 formed concave on the upper surface of the reinforcing bar 10 and the dam bar 30 are repeatedly formed to form the V-shaped bend 20
  • the reinforcing bar 10 and the lower surface of the dam bar 30 which are in contact with the recess 22 formed concave on the upper surface of the reinforcing bar 10 and the dam bar 30 are formed with convex portions 24 which are convex.
  • the reinforcing bar 10 and the lower surface of the dam bar 30 which are in contact with the convex portion 24 convexly formed on the upper surface of the reinforcing bar 10 and the dam bar 30 are formed with concave recesses 22 formed to be concave.
  • the lower surface of the bar 10 and the dam bar 30 is formed with a V-shaped bend 20 in which the concave portion 22 and the convex portion 24 are formed repeatedly.
  • the V-shaped bends formed on the upper and lower surfaces of the reinforcement bar 10 and the dam bar 30 may be rolled and formed on the roller 40 having the V-shaped bends formed on the outer circumferential surface thereof. .
  • Figure 3 is a view showing the appearance of forming the V-shaped curves on the upper and lower surfaces of the reinforcing bar and the dam bar in the bending forming step according to an embodiment of the present invention.
  • a method for manufacturing a weather strip reinforcement material for a vehicle includes a manufacturing step and a bending forming step.
  • a long plate-shaped metal plate is rolled or punched to form a plurality of reinforcement bars 10 arranged in a row at regular intervals along the long side direction and integrally formed with the reinforcement bars 10.
  • a metal plate including at least one dam bar 30 connecting the plurality of reinforcing bars 10 in the long side direction.
  • a plurality of reinforcing bars 10 arranged at regular intervals along the long side direction by rolling or punching a long plate-shaped metal plate in the manufacturing step, and at least connecting the plurality of reinforcing bars 10 in the long side direction
  • One dam bar 30 is integrally formed, and a separation space 12 is formed between neighboring reinforcement bars 10.
  • the weather strip reinforcement 100 of the vehicle has a rigidity that can be stably fixed to the weather strip 50 of the vehicle by being mounted on the flange of the opening of the door or window, and the space separator 12 is formed.
  • the weather strip 50 of the vehicle can be flexibly bent in the long side direction.
  • the bending forming step forms a V-shaped bend 20 on the upper and lower surfaces of the reinforcement bar 10 and the dam bar 30.
  • the V-shaped bend 20 on the upper and lower surfaces of the reinforcing bar 10 and the dam bar 30 may be rolled on the roller 40 having the V-shaped bend formed on the outer circumferential surface thereof.
  • the metal plate is rolled by passing through the roller 40 formed with the V-shaped bend on the outer circumferential surface to form the V-shaped bend 20 on the upper and lower surfaces of the reinforcing bar 10 and the dam bar 30.
  • One of the rollers 40 having the V-shaped bends is formed with concave V-shaped bends, and the other is formed with convex V-shaped bends, so that the upper surfaces of the reinforcing bar 10 and the dam bar 30 are interlocked.
  • the V-shaped bend 20 formed on the lower surface if the upper surface is formed concave, the lower surface in contact with the upper surface may be formed convex.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

La présente invention se rapporte à un caoutchouc d'étanchéité d'un véhicule, à un raidisseur pour un caoutchouc d'étanchéité d'un véhicule et à un procédé de fabrication de ce dernier. Un raidisseur pour un caoutchouc d'étanchéité d'un véhicule comprend : une pluralité de barres de renforcement qui sont réalisées sous la forme d'une longue plaque et sont agencées dans une rangée à un certain intervalle dans la direction longitudinale ; et au moins une barre de retenue formée d'un seul tenant avec les barres de renforcement, et qui relie la pluralité de barres de renforcement dans le sens longitudinal, une courbe en forme de V étant formée sur les surfaces supérieure et inférieure des barres de renforcements et de la barre de retenue. Grâce à cette structure, la présente invention peut garder la même rigidité avec une épaisseur plus fine par comparaison avec un raidisseur pour lequel une courbe en forme de V n'est pas formée de telle sorte que le poids d'un raidisseur soit réduit et il s'ensuit que le poids du caoutchouc d'étanchéité dans lequel le raidisseur est intégré, est réduit.
PCT/KR2014/002711 2013-04-25 2014-03-31 Caoutchouc d'étanchéité d'un véhicule, raidisseur pour un caoutchouc d'étanchéité d'un véhicule et procédé de fabrication de ce dernier WO2014175566A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480021282.1A CN105121198A (zh) 2013-04-25 2014-03-31 车辆的挡风雨条、车辆的挡风雨条用加强材料及其制造方法

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Application Number Priority Date Filing Date Title
KR1020130045855A KR101307866B1 (ko) 2013-04-25 2013-04-25 차량의 웨더 스트립, 차량의 웨더 스트립용 보강재 및 그 제조방법
KR10-2013-0045855 2013-04-25

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WO2014175566A1 true WO2014175566A1 (fr) 2014-10-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018004379A1 (de) * 2018-06-01 2019-12-05 Psa Automobiles Sa Einleger für eine Kraftfahrzeugdichtung und Kraftfahrzeugdichtung
WO2021151962A1 (fr) * 2020-01-28 2021-08-05 Bfc Fahrzeugteile Gmbh Ruban métallique utilisé comme armature pour bande de protection de bord et procédé de fabrication de ce ruban métallique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102565842B1 (ko) * 2021-08-27 2023-08-11 유일고무 주식회사 웨더 스트립용 심금

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JPH06126803A (ja) * 1992-10-14 1994-05-10 Toyoda Gosei Co Ltd 芯金入りトリムの押出方法
JP2003019929A (ja) * 2001-07-06 2003-01-21 Tokai Kogyo Co Ltd トリム製品とその製造方法
JP2004050896A (ja) * 2002-07-17 2004-02-19 Toyoda Gosei Co Ltd 自動車用ウエザストリップおよびその製造方法
JP2004082899A (ja) * 2002-08-27 2004-03-18 Toyo Tire & Rubber Co Ltd ウエザストリップ
JP2008230448A (ja) * 2007-03-22 2008-10-02 Nippon Purai Kk トリム用インサート
JP2010095065A (ja) * 2008-10-15 2010-04-30 Tokai Kogyo Co Ltd 芯材及びその製造方法と製造装置並びに押出成形品の製造方法
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JP2005014792A (ja) * 2003-06-26 2005-01-20 Toyoda Gosei Co Ltd トリム用インサート
US8205390B2 (en) * 2009-02-26 2012-06-26 Henniges Automotive Sealing Systems North America, Inc. Mechanically stiffened weatherseal carrier
JP5563316B2 (ja) * 2009-03-18 2014-07-30 東海興業株式会社 芯材の製造方法及びトリム材の製造方法並びに芯材

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JPH06126803A (ja) * 1992-10-14 1994-05-10 Toyoda Gosei Co Ltd 芯金入りトリムの押出方法
JP2003019929A (ja) * 2001-07-06 2003-01-21 Tokai Kogyo Co Ltd トリム製品とその製造方法
JP2004050896A (ja) * 2002-07-17 2004-02-19 Toyoda Gosei Co Ltd 自動車用ウエザストリップおよびその製造方法
JP2004082899A (ja) * 2002-08-27 2004-03-18 Toyo Tire & Rubber Co Ltd ウエザストリップ
JP2008230448A (ja) * 2007-03-22 2008-10-02 Nippon Purai Kk トリム用インサート
JP2010095065A (ja) * 2008-10-15 2010-04-30 Tokai Kogyo Co Ltd 芯材及びその製造方法と製造装置並びに押出成形品の製造方法
JP2010215149A (ja) * 2009-03-18 2010-09-30 Tokai Kogyo Co Ltd ウェザーストリップ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018004379A1 (de) * 2018-06-01 2019-12-05 Psa Automobiles Sa Einleger für eine Kraftfahrzeugdichtung und Kraftfahrzeugdichtung
WO2021151962A1 (fr) * 2020-01-28 2021-08-05 Bfc Fahrzeugteile Gmbh Ruban métallique utilisé comme armature pour bande de protection de bord et procédé de fabrication de ce ruban métallique

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KR101307866B1 (ko) 2013-09-12
CN105121198A (zh) 2015-12-02

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