EP0064889A2 - Machines for shaping shoe stiffeners - Google Patents
Machines for shaping shoe stiffeners Download PDFInfo
- Publication number
- EP0064889A2 EP0064889A2 EP82400586A EP82400586A EP0064889A2 EP 0064889 A2 EP0064889 A2 EP 0064889A2 EP 82400586 A EP82400586 A EP 82400586A EP 82400586 A EP82400586 A EP 82400586A EP 0064889 A2 EP0064889 A2 EP 0064889A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- buttress
- punch
- station
- buttresses
- machine
- 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.)
- Granted
Links
- 238000007493 shaping process Methods 0.000 title claims abstract description 14
- 239000003351 stiffener Substances 0.000 title 1
- 230000007420 reactivation Effects 0.000 claims abstract description 5
- 230000006641 stabilisation Effects 0.000 claims abstract description 3
- 238000011105 stabilization Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 4
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 239000012815 thermoplastic material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D11/00—Machines for preliminary treatment or assembling of upper-parts, counters, or insoles on their lasts preparatory to the pulling-over or lasting operations; Applying or removing protective coverings
- A43D11/12—Machines for forming the toe part or heel part of shoes, with or without use of heat
Definitions
- the present invention relates to the field of apparatus for manufacturing shoes and relates more specifically to a particular adaptation, for the production of very long buttresses, of double-station machines, that is to say working in pairs, intended to reactivate the iron-on parts of the shoe elements to be assembled and then give the final shape to the rear parts of the shoes.
- the shaping is carried out using a shaping device by introducing the rear of the shoe onto a form (or punch) metallic then by putting under pressure this form in contact with the curved element, or actual shaper.
- the machine works in pairs of shoes and generally comprises, on the same frame, in the upper part, two stations for hot reactivation of the adhesive for assembling the components of the shoe and, in the lower part, double shaping / punching station intended for shaping and stabilizing it at low temperature.
- Such machines are well suited for the manufacture of common shoes in which the rear parts do not have a long curve, such as for example men's shoes.
- the aforementioned devices can only work on the rear part of the buttress and do not provide the curve which extends thereon. .
- the new machine conventionally comprises a double station, at its upper part, for reactivating the glue of the preassembled elements of the shoe and, at its lower part, a second double station shaping / punching intended for the curving proper.
- the metal punch used for each of the two stations is curved in great length at the conformation of the buttress and, moreover, the conformator of the second station is produced so that its lower part, which we will call according to use "square shape", has a hardness significantly greater than that of the upper part.
- the buttress curving machine is of the type and automatic operation known per se and it will be noted essentially that it is provided: on the upper part of the frame 1 with a group of two conformers (2 , 3) with their metal punches (4, 5) and, on the actual work table 6, a double station of two conformers (7, 8) with their respective punches (9, 10).
- the upper double station is intended for the hot reactivation of the buttresses made of hot-melt and fusible material, with conformers produced for example in two layers, one of which is made of silicone resin loaded with 30/40% by weight of metal powder (aluminum ) and a surface layer of pure silicone.
- the station (7, 8) on the work table is used for curving proper, with stabilization of the curve under pneumatic or hydraulic pressure at refrigerated temperature.
- the punches used are very elongated and have the exact shape of the buttress. For example, they have an average length of 150 mm for the heels of ladies' heeled shoes.
- the shaping and stabilizing conformers (7, 8) are produced in a single piece of plastic material (for example, silicone resin or the like) but they have the particularity of having two distinctly different hardness indices, for example of the order of 50 to 70 shores for the upper part A and included in the range of 85 to 110 shores for the base of skirt or edge of form B.
- the buttresses cut flat in sheets of thermo-adhesive synthetic material are introduced directly into the upper of the shoe, before being put into the reactivation position, without carrying out any prior operation for pre-cleaning these long buttresses.
- the second known phase of tightening the buttresses in the shaping assemblies (7, 8) punch (9, 10) at refrigerated temperature excellent results are obtained and markedly improved compared to the curving devices known up to now because the very hard edge (B) of the conformers ensures perfect rigidity between the rear elements of the shoe while the more flexible upper part (A) does not cause any wrinkling during the pressurization of the elements of the shoe.
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
L'invention a trait à des adaptations, pour la réalisation de contreforts de grande longeur conformés en une seule passe, d'une machine de type comprenant un premier poste double conformateur/poinçon de réactivation à chaud du contrefort et un second poste conformateur/poinçon pour le galbage proprement dit et la stabilisation des éléments arrières de chaussure. Selon les perfectionnements apportés, on met en oeuvre des poinçons (4, 5, 9, 10) de grande longueur, galbés à la forme exacte du contrefort et, par ailleurs, on utilise pour le second poste des conformateurs (7, 8) dont la carre de forme (zone B) présente une dureté sensiblement supérieure à celle du haut (zone A) du conformateur. Application à la production de chaussures à talons hauts pour dames.The invention relates to adaptations, for the production of long buttresses shaped in a single pass, of a machine of the type comprising a first double shaping station / punch for hot reactivation of the buttress and a second shaping station / punch for the curving proper and the stabilization of the rear elements of the shoe. According to the improvements made, punches (4, 5, 9, 10) of great length are used, curved to the exact shape of the buttress and, moreover, conformers (7, 8) are used for the second station. the square edge (zone B) has a hardness substantially greater than that of the top (zone A) of the shaper. Application to the production of high heel shoes for women.
Description
La présente invention a trait au domaine des appareils pour la fabrication de chaussures et concerne plus spécialement une adaptation particulière, pour la réalisation de contreforts de grande longueur, de machines à double poste, c'est à dire travaillant par paire, destinées à réactiver les parties thermocollantes des éléments de chaussure à assembler puis à donner la forme définitive aux parties arrières de chaussures.The present invention relates to the field of apparatus for manufacturing shoes and relates more specifically to a particular adaptation, for the production of very long buttresses, of double-station machines, that is to say working in pairs, intended to reactivate the iron-on parts of the shoe elements to be assembled and then give the final shape to the rear parts of the shoes.
Dans les machines bien connues et préconisées jusqu'à présent pour la mise en forme de la partie arrière d'une chaussure, on effectue le galbage à l'aide d'un conformateur en introduisant l'arrière de la chaussure sur une forme (ou poinçon) métallique puis en mettant sous pression cette forme en contact avec l'élément incurvé, ou conformateur proprement dit. Bien souvent, la machine travaille par paire.de chaussures et comprend généralement, sur le même bâti, en partie supêrieure,deux postes de réactivation à chaud de la colle d'assemblage des éléments constitutifs de la chaussure et, en partie inférieure, le double poste conformateur/poinçon destiné à effectuer le galbage et à le stabiliser à basse température.In machines which are well known and hitherto recommended for shaping the rear part of a shoe, the shaping is carried out using a shaping device by introducing the rear of the shoe onto a form (or punch) metallic then by putting under pressure this form in contact with the curved element, or actual shaper. Very often, the machine works in pairs of shoes and generally comprises, on the same frame, in the upper part, two stations for hot reactivation of the adhesive for assembling the components of the shoe and, in the lower part, double shaping / punching station intended for shaping and stabilizing it at low temperature.
De telles machines conviennent bien pour la fabrication de chaussures courantes dans lesquelles les parties arrières ne présentent pas un galbe de grande longueur, comme par exemple les chaussures pour hommes. Toutefois, quand il s'agit de chaussures à contreforts longs, comme par exemple des chaussures à talons hauts pour femmes, les appareils précités ne peuvent travailler que sur la partie arrière du contrefort et n'assurent pas le galbe qui se prolonge sur cette dernière. Afin d'obtenir ce galbe long, il faut soit recourir à des contreforts prégalbés obtenus par une fabrication préliminaire soit faire appel à des contreforts dits "chimiques" c'est à dire trempés dans un solvant pour les ramollir puis travaillés ensuite sur un poinçon en bois pour leur donner la forme nécessaire.Such machines are well suited for the manufacture of common shoes in which the rear parts do not have a long curve, such as for example men's shoes. However, when it comes to shoes with long buttresses, such as for example high-heeled shoes for women, the aforementioned devices can only work on the rear part of the buttress and do not provide the curve which extends thereon. . In order to obtain this long curve, it is necessary either to use pre-curved buttresses obtained by a preliminary manufacture or to use so-called "chemical" buttresses, that is to say soaked in a solvent to soften them and then worked on a punch. wood to give them the necessary shape.
Ces opérations sont longues et fastidieuses et l'invention a précisément pour but de les supprimer en proposant une machine de principe général et fonctionnement connu en soi mais dans laquelle des adaptations particulières ont été prévues pour pouvoir galber directement, en une seule opération sur la machine, les contreforts de grande longueur découpés à plat dans des plaques de matière synthétique thermocollante et insérés dans la tige de chaussure.These operations are long and tedious and the invention has precisely the aim of eliminating them by proposing a machine of general principle and operation known per se but in which particular adaptations have been provided for being able to curve directly, in a single operation on the machine , the buttresses of great length cut flat in plates of thermobonding synthetic material and inserted in the shoe upper.
La nouvelle machine comporte conventionnellement un poste double, à sa partie supérieure, pour la réactiv3ation de la colle des éléments préassemblés de chaussure et, à sa partie inférieure, un second poste double conformateur/poinçon destiné au galbage proprement dit. Selon les caractéristiques essentielles de l'invention, le poinçon métallique mis en oeuvre pour chacun des deux postes est galbé en grande longueur à la conformation du contrefort et, en outre, le conformateur du second poste est réalisé de façon telle que sa partie inférieure, que l'on dénommera selon l'usage "carre de forme", ait une dureté nettement plus grande que celle de la partie supérieure.The new machine conventionally comprises a double station, at its upper part, for reactivating the glue of the preassembled elements of the shoe and, at its lower part, a second double station shaping / punching intended for the curving proper. According to the essential characteristics of the invention, the metal punch used for each of the two stations is curved in great length at the conformation of the buttress and, moreover, the conformator of the second station is produced so that its lower part, which we will call according to use "square shape", has a hardness significantly greater than that of the upper part.
L'invention sera mieux comprise par une description plus détaillée d'un mode de réalisation non limitatif illustré par les dessins schématiques annexés qui représentent :
- Figure 1 : un type de machine conforme à l'invention
- Figure 2 : le détail d'un type de poinçon et d'un type de conformateur spécialement adapté à la machine de la figure 1.
- Figure 1: a type of machine according to the invention
- Figure 2: the detail of a type of punch and a type of shaper specially adapted to the machine of Figure 1.
Telle que représentée sur la figure 1, la machine de galbage des contreforts est de type et de fonctionnement automatique connus en soi et on notera essentiellement qu'elle est munie : sur la partie supérieure du bâti 1 d'un groupe de deux conformateurs (2, 3) avec leurs poinçons métalliques (4, 5) et, sur la table de travail proprement dite 6, d'un poste double de deux conformateurs (7, 8) avec leurs poinçons respectifs (9, 10). Le poste double supérieur est destiné à la réactivation à chaud des contreforts en matière thermofusible et thermocollante, avec des conformateurs réalisés par exemple en deux couches dont l'une de base en résine silicone chargée à 30/40 % en poids de poudre métallique (aluminium) et une couche superficielle en silicone pure. Le poste (7, 8) sur table de travail sert au galbage proprement dit, avec stabilisation du galbe sous pression pneumatique ou hydraulique à température réfrigérée.As shown in FIG. 1, the buttress curving machine is of the type and automatic operation known per se and it will be noted essentially that it is provided: on the upper part of the frame 1 with a group of two conformers (2 , 3) with their metal punches (4, 5) and, on the actual work table 6, a double station of two conformers (7, 8) with their respective punches (9, 10). The upper double station is intended for the hot reactivation of the buttresses made of hot-melt and fusible material, with conformers produced for example in two layers, one of which is made of silicone resin loaded with 30/40% by weight of metal powder (aluminum ) and a surface layer of pure silicone. The station (7, 8) on the work table is used for curving proper, with stabilization of the curve under pneumatic or hydraulic pressure at refrigerated temperature.
Selon les caractéristiques illustrées sur la figure 2, les poinçons utilisés (par exemple 4, 5 ou 9, 10) sont très allongés et revêtent la conformation exacte du contrefort. Par exemple, ils ont une longueur moyenne de 150 mm pour des contreforts de chaussures de dames à talons. Par ailleurs, les conformateurs de galbage et stabilisation (7, 8) sont réalisés en une seule pièce de matière plastique (par exemple, résine silicone ou analogue) mais ils présentent la particularité de posséder deux indices de dureté nettement différents, par exemple de l'ordre de 50 à 70 shores pour la partie supérieure A et comprise dans la fourchette de 85 à 110 shores pour la base de jupe ou carre de forme B.According to the characteristics illustrated in FIG. 2, the punches used (for example 4, 5 or 9, 10) are very elongated and have the exact shape of the buttress. For example, they have an average length of 150 mm for the heels of ladies' heeled shoes. Furthermore, the shaping and stabilizing conformers (7, 8) are produced in a single piece of plastic material (for example, silicone resin or the like) but they have the particularity of having two distinctly different hardness indices, for example of the order of 50 to 70 shores for the upper part A and included in the range of 85 to 110 shores for the base of skirt or edge of form B.
En fonctionnement, on introduit dans la tige de la chaussure, avant mise en position de réactivation, directement les contreforts découpés à plat dans des plaques de matière synthétique thermocollante, sans effectuer d'opération préalable de prégalbage de ces contreforts longs. Dans la deuxième phase connue de serrage des contreforts dans les ensembles conformateurs (7, 8) poinçon (9, 10) à température réfrigérée, on obtient d'excellents résultats et nettement améliorés par rapport aux dispositifs de galbage connus jusqu'ici du fait que la carre très dure (B) des conformateurs assure une parfaite rigidité entre les éléments arrières de la chaussure alors que la partie supérieure plus souple (A) ne provoque aucun plissage lors de la pressurisation des éléments de la chaussure.In operation, the buttresses cut flat in sheets of thermo-adhesive synthetic material are introduced directly into the upper of the shoe, before being put into the reactivation position, without carrying out any prior operation for pre-cleaning these long buttresses. In the second known phase of tightening the buttresses in the shaping assemblies (7, 8) punch (9, 10) at refrigerated temperature, excellent results are obtained and markedly improved compared to the curving devices known up to now because the very hard edge (B) of the conformers ensures perfect rigidity between the rear elements of the shoe while the more flexible upper part (A) does not cause any wrinkling during the pressurization of the elements of the shoe.
Claims (3)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8108843A FR2505146B1 (en) | 1981-05-05 | 1981-05-05 | IMPROVEMENTS ON MACHINES FOR GALBERING SHOE COUNTERFORTS |
| FR8108843 | 1981-05-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0064889A2 true EP0064889A2 (en) | 1982-11-17 |
| EP0064889A3 EP0064889A3 (en) | 1984-03-28 |
| EP0064889B1 EP0064889B1 (en) | 1985-08-21 |
Family
ID=9258048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP82400586A Expired EP0064889B1 (en) | 1981-05-05 | 1982-03-31 | Machines for shaping shoe stiffeners |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4422198A (en) |
| EP (1) | EP0064889B1 (en) |
| JP (1) | JPS57185802A (en) |
| BR (1) | BR8202565A (en) |
| DE (1) | DE3265537D1 (en) |
| ES (1) | ES272835Y (en) |
| FR (1) | FR2505146B1 (en) |
| MX (1) | MX153499A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2539280A1 (en) * | 1983-01-19 | 1984-07-20 | Vinet | Method and machine for shaping the rear parts of shoes |
| FR2576194A1 (en) * | 1985-01-18 | 1986-07-25 | Anver Sa | Machine for rough moulding shoe counters (stiffeners) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709433A (en) * | 1986-04-04 | 1987-12-01 | International Shoe Machine Corporation | Heel molder flanger |
| US4777733A (en) * | 1987-01-09 | 1988-10-18 | Iwatani & Co. Ltd. | Method of manufacturing shoes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2033730A (en) * | 1978-10-18 | 1980-05-29 | British United Shoe Machinery | Shaping heel parts of shoe uppers |
| GB2055036A (en) * | 1979-08-03 | 1981-02-25 | Sifsa | Rough moulding shaper for the rear portion of footwear |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3039288A (en) * | 1961-08-09 | 1962-06-19 | Geo Knight & Co Inc | Back seam press |
| US3138810A (en) * | 1962-01-26 | 1964-06-30 | United Shoe Machinery Corp | Heel end assembling and back part molding machines |
| GB1103051A (en) * | 1963-07-03 | 1968-02-14 | British United Shoe Machinery | Improvements in or relating to machines adapted for use in the manufacture of shoes |
-
1981
- 1981-05-05 FR FR8108843A patent/FR2505146B1/en not_active Expired
-
1982
- 1982-03-31 DE DE8282400586T patent/DE3265537D1/en not_active Expired
- 1982-03-31 EP EP82400586A patent/EP0064889B1/en not_active Expired
- 1982-04-12 US US06/367,353 patent/US4422198A/en not_active Expired - Fee Related
- 1982-04-14 MX MX192268A patent/MX153499A/en unknown
- 1982-04-30 JP JP57073250A patent/JPS57185802A/en active Granted
- 1982-04-30 ES ES1982272835U patent/ES272835Y/en not_active Expired
- 1982-05-04 BR BR8202565A patent/BR8202565A/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2033730A (en) * | 1978-10-18 | 1980-05-29 | British United Shoe Machinery | Shaping heel parts of shoe uppers |
| GB2055036A (en) * | 1979-08-03 | 1981-02-25 | Sifsa | Rough moulding shaper for the rear portion of footwear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2539280A1 (en) * | 1983-01-19 | 1984-07-20 | Vinet | Method and machine for shaping the rear parts of shoes |
| FR2576194A1 (en) * | 1985-01-18 | 1986-07-25 | Anver Sa | Machine for rough moulding shoe counters (stiffeners) |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2505146A1 (en) | 1982-11-12 |
| US4422198A (en) | 1983-12-27 |
| DE3265537D1 (en) | 1985-09-26 |
| EP0064889B1 (en) | 1985-08-21 |
| JPS644762B2 (en) | 1989-01-26 |
| ES272835U (en) | 1983-11-01 |
| MX153499A (en) | 1986-11-07 |
| BR8202565A (en) | 1983-04-19 |
| EP0064889A3 (en) | 1984-03-28 |
| FR2505146B1 (en) | 1985-10-11 |
| JPS57185802A (en) | 1982-11-16 |
| ES272835Y (en) | 1984-05-01 |
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