FR2609874A1 - Method for manufacturing an article of footwear having an overmoulded sole and articles of footwear thus obtained - Google Patents

Method for manufacturing an article of footwear having an overmoulded sole and articles of footwear thus obtained Download PDF

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Publication number
FR2609874A1
FR2609874A1 FR8700966A FR8700966A FR2609874A1 FR 2609874 A1 FR2609874 A1 FR 2609874A1 FR 8700966 A FR8700966 A FR 8700966A FR 8700966 A FR8700966 A FR 8700966A FR 2609874 A1 FR2609874 A1 FR 2609874A1
Authority
FR
France
Prior art keywords
sole
footwear
insert
article
sock
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.)
Pending
Application number
FR8700966A
Other languages
French (fr)
Inventor
Rene Bernadet
Claude Marquet
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.)
MARQUET CIE
Original Assignee
MARQUET CIE
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 MARQUET CIE filed Critical MARQUET CIE
Priority to FR8700966A priority Critical patent/FR2609874A1/en
Publication of FR2609874A1 publication Critical patent/FR2609874A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/06—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
    • B29D35/061—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by injection moulding
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/02—Footwear characterised by the material made of fibres or fabrics made therefrom
    • A43B1/04—Footwear characterised by the material made of fibres or fabrics made therefrom braided, knotted, knitted or crocheted
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/02—Footwear characterised by the material made of fibres or fabrics made therefrom
    • A43B1/05—Footwear characterised by the material made of fibres or fabrics made therefrom woven
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/04—Plastics, rubber or vulcanised fibre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/06—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
    • B29D35/065—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by compression moulding, vulcanising or the like

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention relates to a method for manufacturing an article of footwear having an overmoulded sole and the articles of footwear manufactured according to this method. The method of the invention is characterised in that it consists in joining an inner sole 4 to the upper 2, so as to form a sock, in slipping this sock over a last (shape) 1, in placing an insert 7 in the form of a closed-loop band or cord in an impression mould 6, at the periphery of the latter, in arranging the last (shape) 1 in the impression 5 and in injecting, moulding or vulcanising in the said impression a suitable material 8 constituting the sole and ensuring the join between the said insert 7, on the one hand, and the said sole 4 and the lower contour of the said upper 2, on the other hand. Application to the manufacture particularly of articles of footwear of the espadrille type.

Description

PROCEDE DE FABRICATION D'UN ARTICLE CHAUSSANT
A SEMELLE SURMOULES ET ARTICLES CHAUSSANTS AINSI OBTENUS
La pressente invention a trait à une nouvelle technique de réalisation d'un article chaussant à semelle surmoulée.METHOD FOR MANUFACTURING AN ARTICLE OF FOOTWEAR
WITH OVER-MOLDED SOLE AND FOOTWEAR THUS OBTAINED
The present invention relates to a new technique for producing an article of footwear with an overmolded sole.

Le but de L'invention est de réaliser, de manière rapide, simple et bon marché, un article chaussant en particulier du genre espadrille. The object of the invention is to produce, quickly, simply and inexpensively, an article of footwear in particular of the espadrille type.

A cet effet, l'invention a pour objet un procédé de fabrication d'un article chaussant à semelle surmoulé, caractérisé en ce qu'il consiste à solidariser de la tige une semelle intérieure, de manière à former une chaussette, à enfiler cette chaussette sur une forme, à placer dans un moule d'empreinte, à La périphérie de celle-ci, un insert en forme de cordon ou bande en boucle fermée, à disposer la forme dans
L'empreinte et à injecter, mouler ou vulcaniser dans ladite empreinte, un matériau approprié constituant la semelle et assurant la solidarisation entre ledit insert, d'une part, et ladite semelle et le pourtour inférieur de ladite tige, d'autre part.To this end, the subject of the invention is a method of manufacturing an article of footwear with an overmolded sole, characterized in that it consists in securing an inner sole to the upper, so as to form a sock, to put on this sock on a form, to place in an impression mold, At the periphery thereof, an insert in the form of a bead or strip in closed loop, to arrange the form in
The imprint and to be injected, molded or vulcanized in said imprint, an appropriate material constituting the sole and ensuring the joining between said insert, on the one hand, and said sole and the lower periphery of said rod, on the other hand.

Suivant une application particulière du procédé de l'invention à la fabrication d'articles chaussants du genre espadriLLe, ladite tige est une toile cousue bord à bord avec une semelle intérieure souple, simple ou multiple, en tissu tissé ou non tissé, cordage ou autre et l'insert est un cordage, tresse ou analogue. According to a particular application of the method of the invention to the manufacture of footwear of the espadriLL kind, said upper is a fabric sewn edge to edge with a flexible insole, single or multiple, in woven or non-woven fabric, cordage or other and the insert is a cord, braid or the like.

De tels articles chaussants présentent tout-à-fait
L'apparence d'espadrilles classiques, mais sont plus faciles, rapides et économiques à fabriquer tout en étant de surcroit plus solide et plus étanche au droit de la semelle.Such footwear presents quite
The appearance of classic sneakers, but are easier, quick and economical to manufacture while being more solid and more waterproof to the right of the sole.

D'autres caractéristiques et avantages ressortiront de la description qui va suivre d'un mode de réalisation d'un article chaussant selon l'invention, description donnée à titre d'exemple uniquement et en regard du dessin annexé sur lequel la figure unique est une demi-vue en coupe verticale transversale d'un article chaussant du genre espadrille en cours de réalisation conformément au procédé de l'invention. Other characteristics and advantages will emerge from the description which follows of an embodiment of an article of footwear according to the invention, description given by way of example only and with reference to the appended drawing in which the single figure is a half-view in vertical cross section of an article of footwear of the espadrille type in progress according to the method of the invention.

Sur cette figure unique on a représenté en 1 une forme classique sur laquelle a été préalablement enfilée une chaussette constituée par une tige 2, par exemple en tissu, reliée par couture, symbolisée en 3, bord à bord avec une semelle intérieure 4. Celle-ci est par exemple constituée de deux éléments superposés, à savoir un élément de semelle supérieur 4a en corde, de type connu, et un élément de semelle inférieur 4b par exemple en tissu rapporté par collage sous
l'élément 4a.In this single figure there is shown in 1 a conventional shape on which a sock consisting of a rod 2, for example made of fabric, has been previously put on, connected by sewing, symbolized at 3, edge to edge with an insole 4. This this is for example made up of two superimposed elements, namely an upper sole element 4a of rope, of known type, and a lower sole element 4b for example of fabric added by gluing under
item 4a.

Après avoir enfilé ladite chaussette 2 à 4 sur la forme 1, celle-ci est placée dans l'empreinte 5 d'un moule 6 de semelage, par injection, moulage ou vulcanisation, d'un matériau approprié parmi ceux habituellement utilisés pour la réalisation de semelles surmoulées. After having put said sock 2 to 4 on shape 1, this is placed in the imprint 5 of a mold 6 for sole assembly, by injection, molding or vulcanization, of a suitable material from those usually used for the production molded soles.

L'empreinte 5 est, préalablement à la mise en place de la forme 1, munie à sa périphérie d'un insert 7 en forme de boucle fermée et constitué par exemple par un cordage ou une tresse réalisée au préalable, notamment à partir des matériaux utilisés couramment pour la fabrication des semelles de corde des espadrilles traditionnelles. The imprint 5 is, prior to the implementation of the form 1, provided at its periphery with an insert 7 in the form of a closed loop and constituted for example by a cord or a braid produced beforehand, in particular from materials commonly used in the manufacture of rope soles for traditional sneakers.

Une fois tous les éléments mis en place dans
L'empreinte du moule 6, il ne reste plus qu'à mouler la matière 8 constituant la semelle surmoulée de l'article chaussant.Once all the elements are in place in
The mold imprint 6, it only remains to mold the material 8 constituting the molded sole of the footwear.

Le moulage s'effectue sous pression en sorte que l'adhérence de la matière moulée aux différents éléments 4b, 7 et 2 est parfaite et la liaison entre, d'une part, l'insert Z et, d'autre part, la semelle Intérieure 4b et le pourtour inférieur externe de la tige 2, parfaitement réalisée, la matière moulée s'insinuant en 9 entre l'insert 7 et le pourtour inferieur de la chaussette enfilée sur la forme 1. En particulier le pontage périphérique 9 assure une bonne étanchéité à l'eau des semelles intérieures 4a, 4b. A ce propos, il faut rappeler que les espadrilles à semelle de corde recouverte d'une couche plus ou poins épaisse d'une matière surmoulée, ne sont pas rendues étanches au droit de la tranche ou du pourtour desdites semelles. The molding is carried out under pressure so that the adhesion of the molded material to the various elements 4b, 7 and 2 is perfect and the connection between, on the one hand, the insert Z and, on the other hand, the sole Inner 4b and the outer lower periphery of the upper 2, perfectly formed, the molded material insinuating at 9 between the insert 7 and the lower periphery of the sock threaded onto the form 1. In particular the peripheral bridging 9 ensures good waterproofing of the insoles 4a, 4b. In this regard, it should be remembered that espadrilles with a rope sole covered with a thicker layer or thicker pieces of overmolded material, are not made watertight at the edge or around the edge of said soles.

L'article chaussant ainsi obtenu ressemble tout-à-fait à ce type d'espadrille mais est plus confortable et plus résistant. The article of footwear thus obtained completely resembles this type of sneaker but is more comfortable and more resistant.

Bien entendu l'invention n'est pas limitée au mode de réalisation représente et décrit ci-dessus mais en couvre au contraire toutes les variantes notamment en ce qui concerne la nature des matériaux constitutifs de la tige 2, de la semelle intérieure 4 qui peut être simple ou multiple et composite et solidarisée de la tige par tous moyens appropries (couturage, collage, agrafage, etc...), les nature, formes et agencements de l'insert périphérique 7, ainsi que la nature du materiau constitutif de la semelle surmoulée et la technique de mise en place de ce matériau dans L'empreinte.  Of course, the invention is not limited to the embodiment shown and described above, but on the contrary covers all variants, in particular with regard to the nature of the materials constituting the upper 2, the insole 4 which can be simple or multiple and composite and secured to the rod by all appropriate means (stitching, gluing, stapling, etc.), the nature, shapes and arrangements of the peripheral insert 7, as well as the nature of the material constituting the molded sole and the technique of placing this material in the imprint.

Claims (4)

REVENDICATIONS 1. Procédé de fabrication d'un article chaussant à semelle surmoulée, caractérisé en ce qu'il consiste à solidariser de la tige (2) une semelle intérieure (4), de manière à former une chaussette, à enfiler cette chaussette sur une forme (1), à placer dans un moule d'empreinte (6), à la périphérie de celle-ci, un insert (7) en forme de cordon ou bande en boucle fermée, à disposer la forme (1) dans 1. A method of manufacturing an article of footwear with an overmolded sole, characterized in that it consists in securing an inner sole (4) to the upper (2), so as to form a sock, to put this sock on a form (1), to be placed in an impression mold (6), at the periphery thereof, an insert (7) in the form of a bead or strip in closed loop, to arrange the form (1) in L'empreinte (5) et à injecter, mouler ou vulcaniser dans ladite empreinte, un materiau approprié (8) constituant la semelle et assurant la solidarisation entre ledit insert (7), d'une part, et ladite semelle (4) et le pourtour inférieur de ladite tige (2), d'autre part.The imprint (5) and to be injected, molded or vulcanized in said imprint, an appropriate material (8) constituting the sole and ensuring the joining between said insert (7), on the one hand, and said sole (4) and the lower periphery of said rod (2), on the other hand. 2. Procédé suivant la revendication 1, caractérisé en ce que la tige (2) est reliée bord à bord, par couture (3), avec une semelle intérieure composite constituée d'un élément de semelle supérieur (4a), de préférence en corde ou tissu tissé ou non-tisse et d'un élément de semelle (4b), de préférence en tissu, rapporté par collage sous la face inférieure dudit élément supérieur (4a). 2. Method according to claim 1, characterized in that the upper (2) is connected edge to edge, by sewing (3), with a composite insole consisting of an upper sole element (4a), preferably in rope or woven or non-woven fabric and a sole element (4b), preferably fabric, attached by bonding under the underside of said upper element (4a). 3. Articles chaussants réalisés conformément au procédé suivant la revendication 1 ou 2. 3. Footwear produced according to the process according to claim 1 or 2. 4. Articles chaussants suivant la revendication 3, caractérisés en ce que la tige (2) est une toile et l'insert (7) est une tresse en corde ou similaire.  4. Footwear according to claim 3, characterized in that the upper (2) is a canvas and the insert (7) is a rope braid or the like.
FR8700966A 1987-01-26 1987-01-26 Method for manufacturing an article of footwear having an overmoulded sole and articles of footwear thus obtained Pending FR2609874A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8700966A FR2609874A1 (en) 1987-01-26 1987-01-26 Method for manufacturing an article of footwear having an overmoulded sole and articles of footwear thus obtained

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8700966A FR2609874A1 (en) 1987-01-26 1987-01-26 Method for manufacturing an article of footwear having an overmoulded sole and articles of footwear thus obtained

Publications (1)

Publication Number Publication Date
FR2609874A1 true FR2609874A1 (en) 1988-07-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642620A1 (en) * 1989-02-07 1990-08-10 Murgue Freres Ets Shoe sole comprising, on its periphery, an attached or overmoulded decorative strip or border; method of manufacture
US7922948B2 (en) 2002-03-04 2011-04-12 Ecco Sko A/S Method of moulding soles on shoe uppers, a shoe welt and a mould for carrying out the method
FR3068867A1 (en) * 2017-07-11 2019-01-18 Ani Anchling SOLE FOR FOOTWEAR ARTICLE, ARTICLE AND METHOD THEREOF
EP4389407A1 (en) * 2022-12-22 2024-06-26 Proinvex Urban S.L. Footwear sole with rope wall and method of manufacture

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB840029A (en) * 1958-10-04 1960-07-06 Ohg Antonio Nova Process and apparatus for manufacturing rubber-soled shoes and the like
US3042975A (en) * 1960-08-26 1962-07-10 Cambridge Rubber Co Welt in shoes with molded soles
FR1354660A (en) * 1963-04-24 1964-03-06 Saint Marcel Mfg Process for the manufacture of articles of footwear as well as the tools necessary for the implementation of this process and the articles obtained by the application of the present process or similar process
DE6941478U (en) * 1969-10-01 1970-02-12 Hoffmann Gmbh Gustav SHOE, ESPECIALLY. HOUSE AND LEISURE SHOES
DE1804560A1 (en) * 1968-10-23 1970-07-16 Schuller Ludwig Sandal with mouled sole and prodn method
US3855657A (en) * 1973-11-12 1974-12-24 G Mazzotta Shoe moulds
FR2281039A7 (en) * 1974-08-01 1976-02-27 Pontis Manufacture Shoe mould with pins for holding inserts against mould surfaces - to avoid fouling of external surface with moulding material
GB1504232A (en) * 1975-05-30 1978-03-15 Nova A Srl Mould for the manufacture of footwear with a strip of flexible material around the edge of the sole
DE8604049U1 (en) * 1986-02-12 1986-04-03 Mahlmeister, Günter, 1000 Berlin Shoe frame

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB840029A (en) * 1958-10-04 1960-07-06 Ohg Antonio Nova Process and apparatus for manufacturing rubber-soled shoes and the like
US3042975A (en) * 1960-08-26 1962-07-10 Cambridge Rubber Co Welt in shoes with molded soles
FR1354660A (en) * 1963-04-24 1964-03-06 Saint Marcel Mfg Process for the manufacture of articles of footwear as well as the tools necessary for the implementation of this process and the articles obtained by the application of the present process or similar process
DE1804560A1 (en) * 1968-10-23 1970-07-16 Schuller Ludwig Sandal with mouled sole and prodn method
DE6941478U (en) * 1969-10-01 1970-02-12 Hoffmann Gmbh Gustav SHOE, ESPECIALLY. HOUSE AND LEISURE SHOES
US3855657A (en) * 1973-11-12 1974-12-24 G Mazzotta Shoe moulds
FR2281039A7 (en) * 1974-08-01 1976-02-27 Pontis Manufacture Shoe mould with pins for holding inserts against mould surfaces - to avoid fouling of external surface with moulding material
GB1504232A (en) * 1975-05-30 1978-03-15 Nova A Srl Mould for the manufacture of footwear with a strip of flexible material around the edge of the sole
DE8604049U1 (en) * 1986-02-12 1986-04-03 Mahlmeister, Günter, 1000 Berlin Shoe frame

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642620A1 (en) * 1989-02-07 1990-08-10 Murgue Freres Ets Shoe sole comprising, on its periphery, an attached or overmoulded decorative strip or border; method of manufacture
US7922948B2 (en) 2002-03-04 2011-04-12 Ecco Sko A/S Method of moulding soles on shoe uppers, a shoe welt and a mould for carrying out the method
FR3068867A1 (en) * 2017-07-11 2019-01-18 Ani Anchling SOLE FOR FOOTWEAR ARTICLE, ARTICLE AND METHOD THEREOF
EP4389407A1 (en) * 2022-12-22 2024-06-26 Proinvex Urban S.L. Footwear sole with rope wall and method of manufacture

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