EP0703023A1 - Process for the manufacture of articles from welded metallic wires comprising an edge wire - Google Patents

Process for the manufacture of articles from welded metallic wires comprising an edge wire Download PDF

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Publication number
EP0703023A1
EP0703023A1 EP95402123A EP95402123A EP0703023A1 EP 0703023 A1 EP0703023 A1 EP 0703023A1 EP 95402123 A EP95402123 A EP 95402123A EP 95402123 A EP95402123 A EP 95402123A EP 0703023 A1 EP0703023 A1 EP 0703023A1
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EP
European Patent Office
Prior art keywords
wires
belt
welded
articles
welding
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.)
Withdrawn
Application number
EP95402123A
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German (de)
French (fr)
Inventor
Raymond Chateau
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METAFIL
Original Assignee
METAFIL
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Publication date
Application filed by METAFIL filed Critical METAFIL
Publication of EP0703023A1 publication Critical patent/EP0703023A1/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor

Definitions

  • the present invention relates to a method for manufacturing articles made of welded metal wires comprising a peripheral belt.
  • wire articles are of the flat type such as grids. It may also be bulk articles such as baskets used for example in household appliances, refrigerators, freezers, dishwashers, etc.
  • Articles of this type generally include a belt consisting of a single shaped and butted wire, on which is welded the frame of a grid or a lattice set in volume if it is a basket.
  • This technique for grids and for baskets, requires two production lines: - a line for the manufacture of the belt and - a line for the preparation of the trellis and for the assembly of the belt on the folded trellis.
  • the positioning of the belt on the trellis requires complex and specific tools for each type of basket.
  • the present invention provides a process for the production of wire articles which makes it possible on the one hand to simplify the manufacture and, on the other hand, to improve the quality of the products.
  • the method according to the invention also has the advantage of accommodating simple machines and tools which are suitable for a wide variety of articles. Changes in the series of articles can, thanks to this process, be carried out in a few minutes.
  • the method according to the invention consists of - welding, on wires constituting the base frame, two half-belts in the form of straight wires which are parallel to each other, - carrying out at least one folding operation in order, in particular, to shape said wires and bring their ends together in order to form the belt, - to assemble by welding, end to end, said ends of said half-belts.
  • the method according to the invention makes it possible to produce the articles on a single production line.
  • the initial phase of preparation and scheduling of the different wires can be carried out with great precision since they are straight wires.
  • the threads constituting the half-belt are distributed automatically from a large storage store for example, in the same way as the other threads constituting the frame and / or the trellis.
  • these weft or mesh wires can be prepared at their ends with a chamfer, to better accommodate a protective coating.
  • This method according to the invention does not prevent other operations, such as adding wires in the corners for a grid, or, in the case of baskets, from performing, depending on the type of article. to carry out additional welding operations for the other wires of the trellis after folding, or also welding operations for added elements such as handles or also operations for folding the belt itself, etc.
  • the invention also relates to the product obtained by the process and in particular a grid consisting of parallel wires, welded to the belt, which belt consists of two half-belts assembled by butt welding after folding the ends of said half-belts.
  • the invention also relates to a basket consisting of a welded and then folded mesh, the belt of which consists of two welded half-belts. end to end.
  • the invention also relates to a basket made up of a welded and then folded mesh, the belt of which consists of two half-belts welded end to end.
  • FIG. 1 represents a simple grid consisting of wires 1 forming a weft, and of a belt 2 on which said wires are welded 1.
  • the belt 2 consists, as shown in FIG. 2, of two rods each forming one half of the belt . These rods 2 'and 2' 'are straight and parallel to each other at the start; they are soldered with the ends of the wires 1. They can be the same length or have a different length.
  • FIG. 3 The making of a basket is illustrated in figures 3 to 9. It consists, firstly, as shown in FIG. 3, of positioning the wires constituting the trellis; these wires cross at right angles and are welded together. There are wires 1 constituting crosspieces and wires 4 which are parallel to the half-belts 2 'and 2''. These half-belts are made up of rectilinear and parallel threads, of the same length or of different length as the case may be.
  • the wires 1 are welded to the half-belts 2 ', 2' '.
  • FIG. 4 consists in bending the wires 4 to produce two sides of the basket.
  • the bending axes of the wires 4 constitute edges of the bottom of the basket.
  • Figure 5 shows the folding of the half-belts 2 'and 2' '.
  • FIG. 6 represents the operation of folding the wires 1 to form the other two sides of the basket and, simultaneously, positioning the two half-belts 2 'and 2' 'already folded before, in the same plane which constitutes the upper edge of the basket.
  • Figure 7 shows the welding operation to butt the ends of the two half-belts.
  • the welding point 3, on each side of the basket, is preferably located between two wires 4.
  • FIG. 8 represents the operation of welding the wires 4 constituting the two folded sides at the level of the operation illustrated in FIG. 4; these wires 4 are welded to the belt 2 which has just been assembled.
  • FIG. 9 illustrates additional operations such as for example the fitting of handles 6 on the peripheral belt 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Belt Conveyors (AREA)

Abstract

The procedure esp. for articles such as grilles or wire baskets, involves welding the wires (1) which form the base to two parallel side members (2',2"). The ends of the side members are then bent inwards and joined by welds (3) to form a continuous surround for a flat grille. A similar procedure is used for a wire basket, but the base wires are laid in two directions, intersecting at right angles and both sets of base wires are bent upwards to form the sides of the basket before connecting to the surround.

Description

La présente invention concerne un procédé de fabrication d'articles en fils métalliques soudés comportant une ceinture périphérique.The present invention relates to a method for manufacturing articles made of welded metal wires comprising a peripheral belt.

Ces articles en fils métalliques sont du type à plat comme des grilles. Il peut s'agir également d'articles en volume tels que des paniers utilisés par exemple dans les appareils électro-ménagers, réfrigérateurs, congélateurs, lave-vaisselle, etc ...These wire articles are of the flat type such as grids. It may also be bulk articles such as baskets used for example in household appliances, refrigerators, freezers, dishwashers, etc.

Les articles de ce type comportent généralement une ceinture constituée d'un simple fil conformé et abouté, sur laquelle est soudée la trame d'une grille ou un treillis mis en volume s'il s'agit d'un panier.Articles of this type generally include a belt consisting of a single shaped and butted wire, on which is welded the frame of a grid or a lattice set in volume if it is a basket.

Cette technique, pour les grilles et pour les paniers, nécessite deux lignes de fabrication : - une ligne pour la fabrication de la ceinture et - une ligne pour la préparation du treillis et pour l'assemblage de la ceinture sur le treillis plié.This technique, for grids and for baskets, requires two production lines: - a line for the manufacture of the belt and - a line for the preparation of the trellis and for the assembly of the belt on the folded trellis.

Le positionnement de la ceinture sur le treillis nécessite un outillage complexe et spécifique pour chaque type de panier. De plus, après soudage, il est souvent nécessaire d'effectuer une opération d'arrasage pour mettre à niveau toutes les extrémités des fils constituant le treillis. Cette opération d'arrasage crée des arêtes très vives aux extrémités des fils, ce qui nuit à la qualité du revêtement protecteur lorsqu'il s'agit de panier utilisé dans le domaine des appareils électro-ménagers par exemple.The positioning of the belt on the trellis requires complex and specific tools for each type of basket. In addition, after welding, it is often necessary to carry out a leveling operation in order to level all the ends of the wires constituting the trellis. This leveling operation creates very sharp edges at the ends of the wires, which adversely affects the quality of the protective coating when it is a basket used in the field of household appliances for example.

La présente invention propose un procédé d'élaboration d'articles en fils qui permet d'une part de simplifier la fabrication et, d'autre part, d'améliorer la qualité des produits.The present invention provides a process for the production of wire articles which makes it possible on the one hand to simplify the manufacture and, on the other hand, to improve the quality of the products.

Le procédé selon l'invention présente également l'avantage de s'accommoder de machines et d'outillages simples qui conviennent pour une grande diversité d'articles. Les changements de séries d'articles peuvent, grâce à ce procédé, s'effectuer en quelques minutes.The method according to the invention also has the advantage of accommodating simple machines and tools which are suitable for a wide variety of articles. Changes in the series of articles can, thanks to this process, be carried out in a few minutes.

Le procédé selon l'invention consiste - à souder, sur des fils constituant la trame de base, deux demi-ceintures en forme de fils rectilignes et parallèles entre eux, - à effectuer au moins une opération de pliage pour, notamment, conformer lesdits fils et rapprocher leurs extrémités en vue de former la ceinture, - à assembler par soudage, bout à bout, lesdites extrémités desdites demi-ceintures.The method according to the invention consists of - welding, on wires constituting the base frame, two half-belts in the form of straight wires which are parallel to each other, - carrying out at least one folding operation in order, in particular, to shape said wires and bring their ends together in order to form the belt, - to assemble by welding, end to end, said ends of said half-belts.

Le procédé selon l'invention permet de réaliser les articles sur une seule et même ligne de fabrication. La phase initiale de préparation et d'ordonnancement des différents fils peut s'effectuer avec une très grande précision puisqu'il s'agit de fils rectilignes. Les fils constituant la demi-ceinture sont distribués automatiquement à partir d'un grand magasin de stockage par exemple, au même titre que les autres fils constituant la trame et/ou le treillis. De plus, ces fils de trame ou de treillis peuvent être préparés à leurs extrémités avec un chanfrein, pour mieux accueillir un revêtement protecteur.The method according to the invention makes it possible to produce the articles on a single production line. The initial phase of preparation and scheduling of the different wires can be carried out with great precision since they are straight wires. The threads constituting the half-belt are distributed automatically from a large storage store for example, in the same way as the other threads constituting the frame and / or the trellis. In addition, these weft or mesh wires can be prepared at their ends with a chamfer, to better accommodate a protective coating.

Ce procédé selon l'invention, n'empêche pas d'effectuer, selon le type d'articles, d'autres opérations comme l'adjonction de fils dans les angles pour une grille ou encore, s'il s'agit de paniers, de réaliser des opérations de soudage complémentaires pour les autres fils du treillis après pliage, ou encore des opérations de soudage d'éléments rapportés tels que des poignées ou encore des opérations de pliage de la ceinture elle-même, etc ...This method according to the invention does not prevent other operations, such as adding wires in the corners for a grid, or, in the case of baskets, from performing, depending on the type of article. to carry out additional welding operations for the other wires of the trellis after folding, or also welding operations for added elements such as handles or also operations for folding the belt itself, etc.

L'invention concerne également le produit obtenu par le procédé et en particulier une grille constituée de fils parallèles, soudés sur la ceinture, laquelle ceinture est constituée de deux demi-ceintures assemblées par soudage bout à bout après pliage des extrémités desdites demi-ceintures.The invention also relates to the product obtained by the process and in particular a grid consisting of parallel wires, welded to the belt, which belt consists of two half-belts assembled by butt welding after folding the ends of said half-belts.

L'invention concerne également un panier constitué d'un treillis soudé puis plié dont la ceinture est constituée de deux demi-ceintures soudées bout à bout.The invention also relates to a basket consisting of a welded and then folded mesh, the belt of which consists of two welded half-belts. end to end.

L'invention concerne également un panier constitué d'un treillis soudé puis plié dont la ceinture est constituée de deux demi-ceintures soudées bout à bout.The invention also relates to a basket made up of a welded and then folded mesh, the belt of which consists of two half-belts welded end to end.

L'invention sera encore détaillée à l'aide de la description suivante et des dessins annexés donnés à titre indicatif, et dans lesquels :

  • la figure 1 représente une grille réalisée par le procédé selon l'invention ;
  • la figure 2 représente l'ébauche de la grille avant l'opération d'aboutage des demi-ceintures ;
  • la figure 3 représente l'ébauche d'un panier c'est-à-dire la première opération qui consiste à positionner l'ensemble des fils constituant le panier et à souder ces fils ;
  • les figures 4 à 6 représentent les opérations de pliage et de mise en volume du panier ;
  • la figure 7 représente l'opération de soudage de la ceinture ;
  • la figure 8 représente l'opération complémentaire de mise en place de poignées.
The invention will be further detailed with the aid of the following description and of the appended drawings given for information, and in which:
  • FIG. 1 represents a grid produced by the method according to the invention;
  • Figure 2 shows the draft of the grid before the joining operation of the half-belts;
  • FIG. 3 represents the blank of a basket, that is to say the first operation which consists in positioning all of the wires constituting the basket and in welding these wires;
  • Figures 4 to 6 show the folding operations and setting volume of the basket;
  • Figure 7 shows the welding operation of the belt;
  • FIG. 8 represents the complementary operation of fitting handles.

La figure 1 représente une simple grille constituée de fils 1 formant une trame, et d'une ceinture 2 sur laquelle sont soudés lesdits fils 1. La ceinture 2 est constituée, comme représenté figure 2, de deux tiges formant chacune une moitié de la ceinture. Ces tiges 2' et 2'' sont rectilignes et parallèles entre elles au départ ; elles sont soudées avec les extrémités des fils 1. Elles peuvent être de même longueur ou avoir une longueur différente.FIG. 1 represents a simple grid consisting of wires 1 forming a weft, and of a belt 2 on which said wires are welded 1. The belt 2 consists, as shown in FIG. 2, of two rods each forming one half of the belt . These rods 2 'and 2' 'are straight and parallel to each other at the start; they are soldered with the ends of the wires 1. They can be the same length or have a different length.

Ces tiges 2' et 2'' constituent des demi-ceintures ; elles subissent une opération de pliage et leurs extrémités, mises bout à bout, sont assemblées par soudage.These rods 2 'and 2' 'constitute half-belts; they undergo a folding operation and their ends, placed end to end, are assembled by welding.

On remarque, figure 1, les soudures 3 qui témoignent de la présence de deux demi-ceintures.Note, Figure 1, the welds 3 which testify to the presence of two half-belts.

La confection d'un panier est illustrée figures 3 à 9. Elle consiste, dans un premier temps, comme représenté figure 3, à positionner les fils constituant le treillis ; ces fils se croisent à angles droits et sont soudés entre eux. On trouve des fils 1 constituant des traverses et des fils 4 qui sont parallèles aux demi-ceintures 2' et 2''. Ces demi-ceintures sont constituées de fils rectilignes et parallèles entre eux, de même longueur ou de longueur différente selon le cas.The making of a basket is illustrated in figures 3 to 9. It consists, firstly, as shown in FIG. 3, of positioning the wires constituting the trellis; these wires cross at right angles and are welded together. There are wires 1 constituting crosspieces and wires 4 which are parallel to the half-belts 2 'and 2''. These half-belts are made up of rectilinear and parallel threads, of the same length or of different length as the case may be.

Comme pour la grille des figures 1 et 2, les fils 1 sont soudés sur les demi-ceintures 2', 2''.As for the grid in Figures 1 and 2, the wires 1 are welded to the half-belts 2 ', 2' '.

Après cette première opération, l'ébauche est soumise à une deuxième opération, figure 4, qui consiste en un pliage des fils 4 pour réaliser deux côtés du panier. Les axes de pliage des fils 4 constituent des arêtes du fond du panier.After this first operation, the blank is subjected to a second operation, FIG. 4, which consists in bending the wires 4 to produce two sides of the basket. The bending axes of the wires 4 constitute edges of the bottom of the basket.

La figure 5 représente le pliage des demi-ceintures 2' et 2''.Figure 5 shows the folding of the half-belts 2 'and 2' '.

La figure 6 représente l'opération de pliage des fils 1 pour former les deux autres côtés du panier et, simultanément, positionner les deux demi-ceintures 2' et 2'' déjà pliées auparavant, dans un même plan qui constitue le rebord supérieur du panier.FIG. 6 represents the operation of folding the wires 1 to form the other two sides of the basket and, simultaneously, positioning the two half-belts 2 'and 2' 'already folded before, in the same plane which constitutes the upper edge of the basket.

La figure 7 représente l'opération de soudage pour abouter les extrémités des deux demi-ceintures. Le point de soudure 3, de chaque côté du panier, se situe de préférence entre deux fils 4.Figure 7 shows the welding operation to butt the ends of the two half-belts. The welding point 3, on each side of the basket, is preferably located between two wires 4.

La figure 8 représente l'opération de soudage des fils 4 constituant les deux côtés pliés au niveau de l'opération illustrée figure 4 ; ces fils 4 sont soudés sur la ceinture 2 qui vient juste d'être assemblée.FIG. 8 represents the operation of welding the wires 4 constituting the two folded sides at the level of the operation illustrated in FIG. 4; these wires 4 are welded to the belt 2 which has just been assembled.

La figure 9 illustre des opérations complémentaires comme par exemple la pose de poignées 6 sur la ceinture périphérique 2.FIG. 9 illustrates additional operations such as for example the fitting of handles 6 on the peripheral belt 2.

On peut prévoir d'autres opérations comme par exemple des opérations de cintrage ou de pliage de la ceinture 2 selon le cas.Other operations can be provided such as for example bending or folding operations of the belt 2 as the case may be.

On remarque que cette confection de paniers ne demande que des outillages élémentaires de pliage selon des axes qui, sur une ligne de fabrication, sont facilement réglables.It is noted that this making of baskets requires only elementary tools for bending along axes which, on a production line, are easily adjustable.

Claims (4)

1.- Procédé de fabrication d'articles en fils métalliques soudés du type comportant une ceinture périphérique, caractérisé en ce qu'il consiste : - à souder sur la trame de base, latéralement, deux fils rectilignes, parallèles entre eux, constituant chacun une partie de la ceinture (2) ; - à effectuer au moins une opération de pliage pour, notamment, conformer ladite ceinture en rapprochant les extrémités desdits fils ; - à assembler par soudage, bout à bout, lesdites extrémités des demi-ceintures. 1.- Method for manufacturing articles of welded metal wires of the type comprising a peripheral belt, characterized in that it consists: - To be welded to the base frame, laterally, two straight wires, parallel to each other, each constituting a part of the belt (2); - Performing at least one folding operation in order, in particular, to shape said belt by bringing the ends of said wires closer together; - To be assembled by welding, end to end, said ends of the half-belts. 2.- Procédé de fabrication selon la revendication 1, caractérisé en ce qu'il consiste à effectuer, selon le type d'articles, des opérations complémentaires de pliage et/ou de soudage du treillis ou d'éléments rapportés tels que des poignées. 2. A manufacturing method according to claim 1, characterized in that it consists in carrying out, depending on the type of articles, additional operations of folding and / or welding of the mesh or of added elements such as handles. 3.- Article en fils métalliques, du type grille, réalisé selon l'une quelconque des revendications 1 ou 2, constitué de fils parallèles (1) soudés sur une ceinture (2), caractérisé en ce que la ceinture (2) est constituée de deux demi-ceintures (2', 2''), assemblées bout à bout par soudage. 3. An article of metal wires, of the grid type, produced according to any one of claims 1 or 2, consisting of parallel wires (1) welded to a belt (2), characterized in that the belt (2) is made up two half-belts (2 ', 2''), joined end to end by welding. 4.- Article en fils métalliques, du type panier, réalisé selon l'une quelconque des revendications 1 ou 2, constitué d'un treillis formé de fils (1 et 4), soudés, pliés et muni d'une ceinture périphérique (2), caractérisé en ce que ladite ceinture est constituée de deux demi-ceintures (2', 2'') assemblées bout à bout par soudage. 4. An article of metal wires, of the basket type, produced according to any one of claims 1 or 2, consisting of a trellis formed of wires (1 and 4), welded, folded and provided with a peripheral belt (2 ), characterized in that said belt consists of two half-belts (2 ', 2'') assembled end to end by welding.
EP95402123A 1994-09-23 1995-09-20 Process for the manufacture of articles from welded metallic wires comprising an edge wire Withdrawn EP0703023A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9411615 1994-09-23
FR9411615A FR2724855A1 (en) 1994-09-23 1994-09-23 PROCESS FOR MANUFACTURING WELDED METAL WIRE ARTICLES, OF THE TYPE COMPRISING A BELT

Publications (1)

Publication Number Publication Date
EP0703023A1 true EP0703023A1 (en) 1996-03-27

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EP95402123A Withdrawn EP0703023A1 (en) 1994-09-23 1995-09-20 Process for the manufacture of articles from welded metallic wires comprising an edge wire

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FR (1) FR2724855A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1913805A1 (en) * 2006-10-19 2008-04-23 Marco Cecchi Shaking device for harvesting fruits such as olives and the like
ITUD20090201A1 (en) * 2009-11-13 2011-05-14 A W M Spa "METHOD AND MACHINE FOR AUTOMATIC ASSEMBLY OF COMPLEX CAGES FORMED BY ELECTROSALDATED METALLIC NETWORKS"
US10207370B2 (en) * 2016-12-12 2019-02-19 Shen Hao Metal Working Co., Ltd. Method of manufacturing metal basket

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021873A (en) * 1957-06-20 1962-02-20 Gen Electric Method of making wire racks
FR2488236A1 (en) * 1980-08-06 1982-02-12 Tubauto Seat base net production machine - passes weft wires through middle strands and winds them around outer ones
US4372351A (en) * 1981-08-03 1983-02-08 Hemco Wire Products, Inc. Wire tree baskets and a method and apparatus for forming same
EP0127798A2 (en) * 1983-06-02 1984-12-12 INDUSTRIE ZANUSSI S.p.A. Method for making freezer baskets

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021873A (en) * 1957-06-20 1962-02-20 Gen Electric Method of making wire racks
FR2488236A1 (en) * 1980-08-06 1982-02-12 Tubauto Seat base net production machine - passes weft wires through middle strands and winds them around outer ones
US4372351A (en) * 1981-08-03 1983-02-08 Hemco Wire Products, Inc. Wire tree baskets and a method and apparatus for forming same
EP0127798A2 (en) * 1983-06-02 1984-12-12 INDUSTRIE ZANUSSI S.p.A. Method for making freezer baskets

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1913805A1 (en) * 2006-10-19 2008-04-23 Marco Cecchi Shaking device for harvesting fruits such as olives and the like
ITUD20090201A1 (en) * 2009-11-13 2011-05-14 A W M Spa "METHOD AND MACHINE FOR AUTOMATIC ASSEMBLY OF COMPLEX CAGES FORMED BY ELECTROSALDATED METALLIC NETWORKS"
WO2011057923A1 (en) * 2009-11-13 2011-05-19 A.W.M. S.P.A. Method and machine for automatic assembly of complex cages formed from electro-welded metal nets
AU2010318176B2 (en) * 2009-11-13 2014-09-18 A.W.M. S.P.A. Method and machine for automatic assembly of complex cages formed from electro-welded metal nets
US9199298B2 (en) 2009-11-13 2015-12-01 A.W.M. S.P.A. Method and machine for automatic assembly of complex cages formed from electro-welded metal nets
US10207370B2 (en) * 2016-12-12 2019-02-19 Shen Hao Metal Working Co., Ltd. Method of manufacturing metal basket

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Publication number Publication date
FR2724855B1 (en) 1997-02-07
FR2724855A1 (en) 1996-03-29

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