WO1996002375A1 - Procede de formage de semelles et dispositif de mise en ×uvre - Google Patents
Procede de formage de semelles et dispositif de mise en ×uvre Download PDFInfo
- Publication number
- WO1996002375A1 WO1996002375A1 PCT/FR1995/000932 FR9500932W WO9602375A1 WO 1996002375 A1 WO1996002375 A1 WO 1996002375A1 FR 9500932 W FR9500932 W FR 9500932W WO 9602375 A1 WO9602375 A1 WO 9602375A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- foot
- bag
- user
- imprint
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/28—Adapting the inner sole or the side of the upper of the shoe to the sole of the foot
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/30—Use of anatomy in making a mold or using said mold
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/78—Processes of molding using vacuum
Definitions
- Method for forming soles and device for implementing The present invention relates to a method for forming soles and a device for implementing this method.
- This method and this device are in particular intended for the manufacture of corrective soles usable in podiatry, or of high performance soles intended to be used during the practice of sports.
- a sole blank cut from a sheet of thermoplastic material is then heated by appropriate means and then placed in the bottom of the imprint.
- the user again engages his foot in the imprint and presses on this blank to mold it by crushing it between the underside of his foot and the bottom of the imprint.
- the blank After cooling, retains the shape which has been given to it by the foot and by the bottom of the imprint and constitutes a sole intended to be placed in a shoe.
- the present invention aims to remedy this significant drawback by providing a method making it possible to obtain a positioning and a shape perfectly adapted to each user of the convex reliefs of the sole intended to support the foot, as well as the internal and external lateral arch of the foot. 6/02375 PC17FR95 / 00932
- the foot indeed includes bone parts, such as the metatarsal heads, which are hard, and tissue or adipose parts, which are soft. These soft parts tend to sag when the foot is in support, in particular at the level of the metatarsal heads and the abovementioned lateral arches. It thus appears that many feet form, at the level of these heads and of these arches, a convex imprint when they are in support, while this imprint is naturally flattened or concave in these same places of the foot, when the foot does not is not in support. According to the prior art, the impression is taken while the foot is not compressed and it is in support, therefore when its soft parts are sagged.
- bone parts such as the metatarsal heads, which are hard
- tissue or adipose parts which are soft.
- the compression of the soft parts of the foot makes it possible to avoid any sagging of these soft parts during the impression taking, so that the underside of the foot retains the shape which it has naturally, c that is to say when it is not in support.
- this compression allows the foot to be placed in a configuration which reproduces the constraints of a shoe.
- the footprint is then taken by means of a material capable of creeping into the cavities formed by the compression of the soft materials, that is to say so as to perfectly match the lower part of the foot thus compressed.
- the imprint obtained corresponds to the shape of the foot when it is not in support.
- it has one or more convex reliefs in its portion which corresponds to the metatarsal heads and to the internal and external vaults.
- the sole obtained provides perfect support for the foot, and is perfectly adapted to the user's foot, in particular with regard to the positioning and the height of these reliefs, as well as to the stresses exerted on the foot by a shoe.
- the compression of the foot is carried out by means of a flexible bag made of air-impermeable material, into which opens a pipe connected to a vacuum source, means being provided for clamping the upper part of the sachet around the bottom of the user's leg, after the foot has been introduced into the sachet.
- a flexible bag made of air-impermeable material, into which opens a pipe connected to a vacuum source, means being provided for clamping the upper part of the sachet around the bottom of the user's leg, after the foot has been introduced into the sachet.
- the depression of the interior volume of the bag makes it possible to obtain a uniformly distributed compression of the entire foot.
- the impression is taken by means of at least one flexible airtight pocket, containing a granular material such as polystyrene beads, the pocket being connected to a source of depression of its internal volume. .
- the bearing of the foot on the pocket allows the granular material to be expelled in the direction of the cavities resulting from the compression of the soft parts of the foot.
- the pressure of the foot on the pocket naturally distributes the granular material and makes it flow into the aforementioned cavities.
- the method according to the invention is applied simultaneously to both feet of the user, to allow the latter to rest on his two feet when taking an impression and shaping the sole blanks.
- the invention also relates to the device for implementing this method.
- This device is of the type comprising at least one flexible airtight pocket, containing a granular material such as polystyrene beads, the pocket being connected to a source of depression of its internal volume.
- the device comprises at least one pipe connected to said vacuum source, intended to be connected to the interior space of at least one bag made of air-impermeable material, in which the foot of the user is able to be placed, clamping means being provided to clamp the upper part of the bag around the bottom of the user's leg.
- these means consist of a strip comprising complementary hook-and-loop surfaces.
- the invention is again described below with reference to the appended diagrammatic drawing representing, by way of nonlimiting examples, different phases of the process which it relates to and the device for implementing this process.
- Figure 1 is a perspective view of this device and Figures 2 to 5 are views of the device in section along the line II-II of Figure 1, during different successive phases of implementation of the method.
- FIG. 1 represents a device 1 allowing the formation of soles for supporting the feet, intended to be placed in the bottom of the shoes.
- the device 1 comprises a housing 2 delimiting a central recess 3 in which are placed two flexible air-tight pockets 4, containing polystyrene beads.
- the two pockets 4 are connected to a vacuum pump housed in the housing 2, allowing the depression of their internal volume.
- the placing of the bags 4 in communication with the vacuum pump or with the open air is controlled by two buttons 5 connected to corresponding valves, also housed in the housing 2.
- the housing 2 On its rear face, the housing 2 comprises a nozzle (not visible in Figure 1) connected to the vacuum pump, to which is connected a flexible pipe 6.
- the free end of this flexible pipe 6 is connected to a "T" fitting 7, to which two flexible pipes are connected 8.
- Each of these pipes 8 opens into the interior space of a bag 9 made of airtight plastic, in which the user's foot is able to be placed.
- elastically extensible bands 10 comprising complementary hook-and-loop surfaces are put in place. place on the lower leg of the user, to ensure air tightness of this bag 9.
- a vacuum is then operated in the bag 9 by putting the pipes 6 and 8 in communication with the vacuum pump.
- This depression causes compression of the foot so as to push inward, that is to say towards the top of the leg, the soft tissue and adipose masses which the foot comprises at its lower face and its internal and external lateral arches.
- Figure 2 shows the housing 2 and one of the pockets 4, the interior volume of which is then in the open air, as well as one of the feet of the user placed in the bag 9.
- the foot is presented opposite of the pocket 4, then, the compression being maintained, is pressed on the pocket 4 until sinking into the polystyrene balls, as shown in Figure 3.
- the coming into support of the foot on the pocket 4 allows drive out the polystyrene balls in the direction of the cavities 11 resulting from the compression and naturally distribute these balls under the foot, causing them to flow into the cavities 11.
- the pocket 4 is then placed in communication with the vacuum pump that the housing 2 comprises, by maneuvering on the buttons 5.
- the vacuum exerted causes the pocket 4 to retract around the foot by tightening the polystyrene balls, up to a limit determined by the expandability limit of the bag 4 (or the compressibility limit of the balls) and by the power of the pump.
- the pocket 4 is stiffened and retains the footprint.
- the foot is then removed from the impression 12 thus obtained.
- the bottom 12a of the imprint 12 has curved reliefs 13 corresponding to the cavities 11 resulting from the compression of the foot. These reliefs 13 are located in particular in the portion of the imprint 12 which corresponds to the metatarsal heads and the lateral arches of the foot.
- a blank 14 of a sole made of thermoplastic material is then placed against the bottom 12a of the imprint 12, this blank 14 having been previously heated so that its constituent material is made malleable.
- Figure 5 shows that the foot, still compressed, is supported on this blank 14, so as to conform it between the underside of the foot and the bottom 12a.
- the convex reliefs 13 are reproduced on the blank 14 and give the sole 15 obtained a shape which precisely corresponds to that of the user's foot. Thanks to these reliefs perfectly adapted to the specific shape of the user's foot, in particular with regard to their positioning and their height, the sole 15 provides perfect support for the foot. It is, moreover, adapted to the stresses exerted on the foot by a shoe.
- the device 1 according to 1 • invention allows the method described above to be applied simultaneously to both feet of the user, to allow the latter to rest on his two feet when taking an impression and conformation of the blanks 14, which facilitates these operations.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU29316/95A AU2931695A (en) | 1994-07-13 | 1995-07-11 | Method for forming soles and device therefor |
US08/765,220 US5879605A (en) | 1994-07-13 | 1995-07-11 | Method for forming soles |
EP95925042A EP0772513A1 (fr) | 1994-07-13 | 1995-07-11 | Procede de formage de semelles et dispositif de mise en uvre |
JP8504746A JPH10506334A (ja) | 1994-07-13 | 1995-07-11 | ソールの成型方法とソールの成型方法を実施する装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR94/08932 | 1994-07-13 | ||
FR9408932A FR2722390B1 (fr) | 1994-07-13 | 1994-07-13 | Procede de formage de semelles et dispositif de mise en oeuvre |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996002375A1 true WO1996002375A1 (fr) | 1996-02-01 |
Family
ID=9465538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1995/000932 WO1996002375A1 (fr) | 1994-07-13 | 1995-07-11 | Procede de formage de semelles et dispositif de mise en ×uvre |
Country Status (7)
Country | Link |
---|---|
US (1) | US5879605A (fr) |
EP (1) | EP0772513A1 (fr) |
JP (1) | JPH10506334A (fr) |
AU (1) | AU2931695A (fr) |
CA (1) | CA2194977A1 (fr) |
FR (1) | FR2722390B1 (fr) |
WO (1) | WO1996002375A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1016354A1 (fr) * | 1998-12-29 | 2000-07-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Procédé pour produire des objets moulés à partir de particules de mousse en polymère |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2794005B1 (fr) * | 1999-05-26 | 2001-06-29 | Imp Ation De Diffusion Ou Dist | Semelle de chaussure |
US6991444B1 (en) * | 2002-10-29 | 2006-01-31 | Laghi Aldo A | Apparatus for casting a prosthetic socket under vacuum |
US20040094864A1 (en) * | 2002-11-18 | 2004-05-20 | Franzene Brian J | Custom shoe sole manufacturing system |
US20060076706A1 (en) * | 2004-01-16 | 2006-04-13 | Buethorn Donald R | Foot orthosis support device method and apparatus |
JP2006198399A (ja) * | 2004-12-24 | 2006-08-03 | Hideki Ikehara | 履物又は靴の中敷 |
EP1680968A1 (fr) * | 2005-01-14 | 2006-07-19 | Diego Luis Mata | Procédé de production d'orthèses plantaires ou de semelles intérieures avec prise d'empreinte pendant la marche et moulage direct |
WO2011041899A1 (fr) * | 2009-10-05 | 2011-04-14 | Sonomax Technologies Inc. | Dispositif et système de distribution de composé durcissable pour dispositif intra-auriculaire gonflable |
US10136703B2 (en) * | 2014-09-12 | 2018-11-27 | Superfeet Worldwide, Inc. | Methods and apparatuses for making custom orthotics, insoles and other footwear inserts |
CN106393764A (zh) * | 2016-08-31 | 2017-02-15 | 中国皮革和制鞋工业研究院 | 一种定制鞋垫的快速成型设备及定制鞋垫的方法 |
FR3070259B1 (fr) * | 2017-08-30 | 2021-01-15 | Capron Podologie | Procede de formage de semelle dans une empreinte negative, et dispositif et systeme de formage de semelle pour sa mise en œuvre |
CN111657630A (zh) * | 2020-07-08 | 2020-09-15 | 中国皮革制鞋研究院有限公司 | 一种鞋内腔快速取型方法和装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1465979A (fr) * | 1966-01-27 | 1967-01-13 | Procédé et dispositif pour la fabrication d'un support orthopédique | |
FR2366006A1 (fr) * | 1976-10-04 | 1978-04-28 | Brown Dennis | Procede de production d'un appareil de maintien du pied |
CH672590A5 (en) * | 1986-10-13 | 1989-12-15 | Yves Albert Thuillard | Foot imprint taker - uses container of glass micro-balls on top of flexible chambers of liquid, gas of foam rubber |
EP0536055A1 (fr) * | 1991-10-03 | 1993-04-07 | Etablissements Salembier Freres (Sa) | Procédé et dispositif pour l'obtention d'une empreinte de la surface d'un corp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2499324A (en) * | 1946-03-13 | 1950-02-28 | Warren J Mead | Method of making impressions of objects |
US3848287A (en) * | 1974-03-15 | 1974-11-19 | J Simonsen | Method and apparatus for custom molding shoes and boots |
US3995002A (en) * | 1974-11-07 | 1976-11-30 | Brown Dennis N | Orthocasting system |
US4869001A (en) * | 1986-03-07 | 1989-09-26 | Superfeet In-Shoe Systems, Inc. | Foot and ankle orthotic for a skate boot or the like, and method |
-
1994
- 1994-07-13 FR FR9408932A patent/FR2722390B1/fr not_active Expired - Fee Related
-
1995
- 1995-07-11 CA CA002194977A patent/CA2194977A1/fr not_active Abandoned
- 1995-07-11 US US08/765,220 patent/US5879605A/en not_active Expired - Lifetime
- 1995-07-11 WO PCT/FR1995/000932 patent/WO1996002375A1/fr not_active Application Discontinuation
- 1995-07-11 EP EP95925042A patent/EP0772513A1/fr not_active Withdrawn
- 1995-07-11 AU AU29316/95A patent/AU2931695A/en not_active Abandoned
- 1995-07-11 JP JP8504746A patent/JPH10506334A/ja not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1465979A (fr) * | 1966-01-27 | 1967-01-13 | Procédé et dispositif pour la fabrication d'un support orthopédique | |
FR2366006A1 (fr) * | 1976-10-04 | 1978-04-28 | Brown Dennis | Procede de production d'un appareil de maintien du pied |
CH672590A5 (en) * | 1986-10-13 | 1989-12-15 | Yves Albert Thuillard | Foot imprint taker - uses container of glass micro-balls on top of flexible chambers of liquid, gas of foam rubber |
EP0536055A1 (fr) * | 1991-10-03 | 1993-04-07 | Etablissements Salembier Freres (Sa) | Procédé et dispositif pour l'obtention d'une empreinte de la surface d'un corp |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1016354A1 (fr) * | 1998-12-29 | 2000-07-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Procédé pour produire des objets moulés à partir de particules de mousse en polymère |
US6358459B1 (en) | 1998-12-29 | 2002-03-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschunge. V. | Method for the production of molded bodies from polymer foam particles |
Also Published As
Publication number | Publication date |
---|---|
AU2931695A (en) | 1996-02-16 |
FR2722390A1 (fr) | 1996-01-19 |
EP0772513A1 (fr) | 1997-05-14 |
US5879605A (en) | 1999-03-09 |
JPH10506334A (ja) | 1998-06-23 |
FR2722390B1 (fr) | 1996-08-23 |
CA2194977A1 (fr) | 1996-02-01 |
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