FR2818098A1 - OPEN HEEL PANTOUFLE AND METHOD FOR THE PRODUCTION THEREOF - Google Patents

Abstract

The invention relates to a slipper (1) with an open heel comprising an outer sole (4), a footrest platform (5) attached to the outer sole (4), the footrest platform (5) having a flexible side wall portion (17) and an upper padding portion (15), the flexible side wall portion (17) extending in the direction between the upper padding portion (15) and the outsole (4), and an upper (6). The upper (6) is secured in the slipper (1) with a free extension of the flexible side wall portion (17) projecting upward, from an attachment line of the upper (6) to the rest of the upper. the slipper, a distance of at least 60% of the maximum height of the extension of the side wall portion (17) from the outsole (4) covered by the upper (6). It also relates to a process for its manufacture.

Description

The present invention relates to footwear. More

  in particular, the invention relates to a slipper having a preferred construction, and it relates to a method for making this construction. BACKGROUND OF THE INVENTION A wide variety of slipper designs are known. The particular slipper designs of the present invention relate to open heel configurations. Various varieties of such slippers are known, such as style drawings

  "shoe" of US Patent 5,491,860, the description of which is cited here.

  The present invention relates to improvements in the construction of slippers with an open heel, as well as a method for

carry out such a construction.

Summary of the invention

  In accordance with the present invention, an open heel slipper is proposed. The open heel slipper is available in both a closed toe configuration and an open toe configuration. In general, the open heel slipper includes an outsole; a footrest platform fixed on the outsole, and an upper fixed on the footrest platform. Preferably, the footrest platform includes a sole portion

  upper, and a side wall part or mudguard part.

  The upper is preferably attached to the flexible side wall portion of the foot platform in a region remote from a line of attachment of the flexible side wall portion to the upper sole portion. This creates an arrangement in which there is a free height, or free extension of the side wall of the foot platform upwards below the vamp, above the point

  of attachment of the vamp in the slipper.

  Thus, the invention relates to an open heel slipper comprising an outer sole, a footrest platform 5 fixed on the outer sole, the footrest platform having a flexible side wall part and an upper padding part , the flexible side wall portion extending in direction between the upper padding portion and the outsole, and an upper. The upper is fixed in the slipper with a free extension of the flexible side wall part in upward projection, from a line of attachment of the upper to the rest of the slipper, over a distance of at least 60% of the maximum height of the extension of the side wall part 17

  from the outsole covered by the upper.

  Most preferably, the free extension or maximum free height is at least 60% of the height of the side wall of the foot platform, above the outsole, and most preferably it is at least 70% of the height, and in an even more preferred typical construction at least 80% of this height. In reality, in illustrated cases, the point of attachment or the line of attachment of the vamp in the footrest platform is also

  as close as practicable to a lower edge of the platform

foot.

  A preferred construction method is proposed which involves fixing

  the upper on the footrest platform in the preferred region.

  The invention also provides preferred materials, components

  specific steps and specific steps for assembly.

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Brief description of the drawings

  Figure 1 is a side elevational view of an open and closed heel slipper at the toes, for the right foot, in accordance

with the present invention.

  Figure 2 is a schematic side elevational view of a step

  assembly of the slipper illustrated in figure 1.

  Figure 3 is a schematic plan view of a mudguard heel component usable to form a slipper in accordance with the

  Figure 1 and via the assembly of Figure 2.

  FIG. 4 is a top plan view of a mudguard component at the toes which can be used to form a matching slipper

  with figure 1 and via the assembly of figure 2.

  FIG. 5 is a top plan view of an upper component usable in the formation of a slipper in accordance with FIG. 1,

via the assembly of figure 2.

  Figure 6 is a top plan view of an insole component, usable to form the slipper of Figure 1, in agreement

with the assembly of figure 2.

  FIG. 7 is a top plan view of a central sole usable in the formation of a slipper in accordance with FIG. 1,

via the assembly of figure 2.

  FIG. 8 is a top plan view of a heel filling component usable in the assembly of the slipper of the

  Figure 1 in accordance with the assembly of Figure 2.

  Figure 9 is a top plan view of an outer sole usable to form the slipper of Figure 1, in accordance with

the assembly of figure 2.

  Figure 10 is a side elevational view of an open heel slipper open at the toes, for the left foot, in accordance with the second embodiment of the present invention; and Figure 11 is a top plan view of an upper part

  usable to form the slipper of figure 10.

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  Detailed description of the preferred embodiment

  We first turn our attention to Figure 1. Figure 1 shows a slipper 1 in accordance with the present invention. The particular slipper 1 illustrated is an "open heel" slipper. In this context, the term "open heel" means that the heel part of the slipper, that is to say the part which receives the heel of a wearer during use, does not have a side wall which projects upward and around the wearer's heel. The particular open heel slipper illustrated in Figure 1 is a "closed toe" slipper. In this context, "closed at the toes" means that the wearer's toes are completely covered by the slipper. An alternative embodiment illustrated in FIG. 10 is an open version at the "toes" level, the expression "open at the toes level" meaning in this context that at least part of the wearer's toes

  are left uncovered when wearing the slipper.

  Here, the slipper 1 will be described in part with reference to the components of which it is formed. The primary components of the slipper 1 are: the outer sole 4, the footrest or textile cover platform 5, the upper 6 and the connecting element 7. A filling 10 cannot be seen in FIG. 1 internal to the sole, shown in FIG. 2, positioned below the textile cover 5 between the

  textile cover 5 and the outsole 4.

  The particular slipper 1 of FIG. 1 uses a platform resting

  foot, or textile cover 5 comprising an upper padding or insole 15, and a side wall or mudguard 17 which extends downwards. In general, the side wall 17 is attached to the upper padding or the insole 15 to provide cover for the side wall and the top for the filling 10 received inside the sole.

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  Thus, the slipper can include an internal sole filling positioned between the upper padding part of the platform.

  footrest and outsole.

  For the slipper 1 illustrated in FIG. 1, the upper 6 which covers a front part of the foot of a wearer during use is fixed on the rest of the slipper 1 to a region adjacent to a lower border part 18 of the side wall or mudguard 17, that is to say an edge portion of the side wall or of the mudguard 17 opposite an edge 19 of the side wall or of the mudguard 17 to which the insole 15 is fixed. This will be better understood with the aid of the other details which follow, in connection with an assembly process.

characterized in figure 2.

  Thus, the upper can be fixed in the slipper with a free extension of the flexible side wall part in upward projection, from a line of attachment of the upper 6 towards the rest of the slipper, over a distance d '' at least 80% of the maximum height of the extension of the side wall part from the outer sole covered by

the vamp.

  FIGS. 3 to 9 illustrate components that can be used to form the assembled slipper 1 of FIG. 1, in accordance with the assembly principles illustrated in relation to FIG. 2. In general, the components can be used to assemble the slipper 1 described

  in what follows in relation to these figures.

  FIGS. 3 and 4 illustrate components that can be used to form the side wall or the mudguard component 17 of the slipper 1. FIG. 3 represents a heel piece 20 of the side wall or of the final mudguard 17 and FIG. 4 represents a toe piece 21 of the side wall or of the final mudguard 17. In general, the mudguard or the side wall 17 is assembled by fixing the pieces 20 and 21 together in a continuous loop, with opposite edges and two joins. Note that the heel piece 20 includes a border 24 with a heel bulge 25 inside. Heel bulge 25 will be

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  typically oriented in the slipper 1 assembled in a position adjacent to the insole part 15, that is to say opposite to the outsole 4, on top of the filling 10 inside the sole. In typical preferred constructions, it is expected that the material (s) of the heel piece 20 and the toe piece 21 is / will be of a type which can be attached along a seam joint using traditional sewing techniques. Typically, when using such a sewn seam, sewing will be done for aesthetic reasons with the pieces 20 and 21 overlapping each other with an interior textile facing outward (and an aesthetically preferred side facing outward. the interior), then the assembled side wall 17 will then be reversed to leave the joints at

  the interior, for aesthetic reasons. In this description,

  such joins are referred to as "tuck-in" joins, or joins

finished returns.

  Another assembly step involves fixing the upper sole padding or the insole 15 on the side wall or the mudguard 17 assembled. Usable sole padding is

  shown in figure 6 under reference 15. The attachment of the guard

  mud 17 will generally occur along the peripheral border 27. In general, the attachment should occur along a joint along a border generated in the side wall or the fender 17 by the borders 28 and 29 of the two parts 20 and 21-, as shown in FIGS. 3 and 4. In typical embodiments, we

  prefer sewing a tucked-in joint.

  Thus, the upper padding part can be fixed on the part of the flexible side wall by sewing. According to the invention, the upper padding part can be substantially flat; moreover, she can

  not understand any part extending upwards.

  The assembly resulting from the attachment of the mudguard 17 to the upper sole padding or the insole 15 is

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  generally designated here as the footrest platform 5, typically provided in the specific form of a textile cover. The footrest platform defines a hollow interior, which must be filled with the filling 10 internal to the sole, as described below in relation to FIG. 2. The side wall 17 is preferably flexible, so that it can flex and bend under the weight

of a carrier.

  During typical operations, another assembly step will involve

  to connect a front structure or an upper 6 on the platform

  footrest shape 5. Typically, the upper 6 will comprise two textile layers sewn to each other, each positioned (when assembled in the slipper 1) with its aesthetic side facing outward, if each piece has only one aesthetic side. Referring to Figure 5, this illustrates an upper part 35. A typical upper 6, shown in Figure 1, will be formed of two upper parts each having the same general perimeter shape, fixed one to the other along the outer edge 36. Typically, an aesthetic face versus aesthetic face orientation will be used during a first part of the seam through the mouth 37, then the partially assembled vamp unit will be reversed to bring the aesthetic sides of the fabric outward, and produce a more attractive internal join. After inversion of the partially assembled upper, the lower perimeter edge 38 of the upper will be sewn. Sewing on the lower perimeter border 38 of the upper does not require a tuck-in or finished tuck-in process because this border will be hidden in the construction of

final assembly.

  Thus, the upper can comprise two layers of flexible textile materials fixed to one another along a perimeter seam line. The upper 6 is preferably fixed on the footrest platform 5

  in a region adjacent to the edges of the side wall or guard

  J mud 17 opposite to the padding of the upper sole or sole

  inner 15. This fixing will be done along a border of the platform.

  footrest shape 5 resulting from the edges 41 and 42 of the pieces 20, 21, typically, and mainly in the toe piece 21 along the edge 42. This produces a set of slipper 1 in

  which a front part of the mudguard or side wall 17 extends

  below and towards the inside of the upper 6. Typically, before sewing the upper 6 on the footrest platform 5, the upper 6 is gathered in a part corresponding to the toes, in order to create an attractive and regular appearance. Gathering is a well-known technique that involves sewing lines that cause wrinkling of the fabric in the toe area to ensure an attractive appearance. Gathering techniques are well known and are briefly described, for example in US Patent 5,491,860 in column 4, lines 7 to 21, and a technique of this kind can be used to generate an attractive gathered part at the toes for

  slippers according to the present invention.

  When referring here to the attachment of the upper 6 in position adjacent to the edge of the side wall of the mudguard 17 opposite the upper sole padding 15, by this is meant that the attachment is preferably produced either immediately at the bottom edge of the padding 15, or within a distance of about 2 cm from the edge, so that a free extension is preferably left in the side wall 17 directed upwards at least 1 cm below the upper 6. Similarly, the line of attachment of the upper 6 to the rest of the slipper 1 is preferably spaced at least 1 cm, and preferably at least 1.5 cm from the joint 19 at which the mudguard 17 joins the padding of

upper sole 15.

  Thus, the upper can be attached to the foot platform by sewing, preferably along a seam line which is positioned at a distance which does not exceed about 1 cm from the sole.

  outside, when the slipper is fully assembled.

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  In other words, and with reference to FIGS. 1 to 10, the mudguard 17 which results from the use of the mudguard piece 21 at the toes, will generally have an extension in height H, measured from the upper joint or border 19 to the lower joint or border 18. Height H varies slightly along the profile of the slipper. The height H corresponds approximately to the length of the border 43 on the mudguard piece 21 at the level of the toes in FIG. 4. However, H will be less than the length of the border 43 because the border 29 will be sewn onto the sole. inner 15 and the edge 42 will be sewn on the connecting tape and on the outer sole. Referring to Figure 4, the edge 29 of the toe piece 21 becomes adjacent to the insole 15. Preferably, the line of attachment of the vamp 6 on the mudguard 17, resulting from the piece of toes 21, is spaced along the height H from the edge 29 over at least 60% of the height H, preferably at least 70% of the height H, and more preferably at least 80% of the height H. In reality, it is envisaged that, typically and preferably, the line of attachment of the vamp 6 to the mudguard 17 will be as adjacent as practicable to the bottom edge (in the example to which we refer

  in this paragraph, it will be border 42 in figure 4) of the guard

  resulting mud 17 for the attachment means, for example by sewing.

  The net result will be a slipper 1, shown in FIG. 1, in which the mudguard 17 extends freely upwards inside and below the upper, without being fixed to the upper, on a distance of at least 60% of the height of the mudguard from the outside, and preferably at least 70% of the height of the mudguard from the outer sole, and more preferably at least 80% of the height of the mudguard from the outsole, in the overall slipper 1. This represents a preferred line for the slipper, as regards its appearance, and also results in a slipper

convenient and comfortable.

  Here, the expression "free extension" or variations of this expression means in this context an extension upwards above a line of connection with the vamp which is not obstructed or inhibited by the vamp, but which is also below the upper 6.

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  In FIG. 1, the cut-out portion 30 reveals the free extension 32 of the mudguard 17. The height of the free extension is measured from the lower joint 18 to the upper edge 19. The height of the free extension below the upper will vary slightly along the side wall. The maximum extension height is the point

  at which H is maximum, which is typically at the point above

  below the upper which is closest to the heel area.

  The cut-out part 31 in FIG. 10 reveals the free extension 32 in

  the open slipper at the toes 100.

  According to the invention, in addition, the slipper can comprise a flexible textile connecting element fixed to the side wall of the platform

  footrest at a location adjacent to the outsole.

  The flexible textile connecting element can be fixed on the side wall

  of the footrest platform by sewing. The connecting element can

  be attached to the outsole by sewing.

  In a typical slipper construction, a tie tape 7 is sewn along the bottom edge 18 of the jumpsuit 50 formed by the footrest / uppers platform, as seen in Figure 2, to create a sub -set platform / uppers / connecting tape 52, usable to produce the slipper 1. Regarding

  the connecting ribbon 7, a folded textile ribbon can be used.

  Referring now to Figure 2, the construction of the slipper 1

  implements three components: a sub-assembly 52 platform

  shape / upper / binding tape; outsole; and subset

interior filling 10.

  Referring again to FIG. 2, in general, the outer sole 4 is preferably a flat outer sole piece, that is to say that it is flat both on top and on the bottom. During assembly, the sub-assembly 52 is generally fixed to the outer sole 4 in the heel region 56, for example by sewing. It

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  As a result, the interior filling 10 can be inserted from sole to

  through the temporary opening 57 at the toes.

  Thus, the internal filling of the sole of the slipper can comprise (i) a compressible middle sole 60 and (ii) a heel support part 61, said heel support part 61 being positioned between the compressible middle sole 60 and the sole

exterior 4.

  For the particular arrangement illustrated in FIG. 2, the preferred interior filling 10 comprises an assembly formed by a piece of upper middle sole 60, which can be seen in FIG. 7, and a

  lower heel support 61, which can be seen in FIG. 8.

  The heel support portion may include a beveled front edge defining a bevel surface; the heel support part being oriented with the bevelled surface directed towards the midsole 60 and

  away from the outsole.

  Preferably, the heel support 61 is provided with a beveled front edge 64, as can be seen in FIGS. 2 and 8, this beveled surface 65 being directed upwards in the direction of the midsole, so that the midsole 60, when made with the preferred flexible materials, is capable of bending down along the surface 65. The angle of the beveled surface relative to the horizontal will preferably be between 10 and 70, and more preferably

between 20 and 45.

  Referring again to Figure 2, after positioning the filling 10 below the sub-assembly 52, surrounded by the side wall or mudguard 17 and above the outer sole 4, the slipper assembly resulting final can be closed along the

  toe region 70, for example by sewing. Preferably, the sub-

  set 52 is sewn onto the outsole 4 and the seam is visible on the underside of the outsole, along the perimeter

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  of the outsole. A small rib may be provided along the perimeter edge of the outer sole in position adjacent to the seam in order to reduce the load and wear of the seam, as is known in this technical field. Preferably, the rib on the underside of the outsole has a thickness of about 1 to 5 mm, or

  more preferably a thickness of about 2 mm.

  Referring to the figures which illustrate the constituent parts, that is to say

  say Figures 3 to 9 and Figure 11, it will be noted that along the perimeter of each of these parts are provided projections and spaced notches. In general, these projections and these notches can be

  used to facilitate alignment of parts during assembly.

  The use of such projections and such notches is well known in the manufacture of textile components for slippers, and it is described for example in US patent 5,491,860. It will be noted that FIGS. 3 to 9 and FIG. 11 can to be considered as representing models for textiles, not as

representing the actual parts.

  The slipper of the present invention is also described in an application for an ornamental model in the United States filed on March 2, 2001 by the same applicants as the present invention, and in the application for an ornamental model US 29 / 134,127 filed on December 29, 2000 , which are here fully incorporated by way of

reference.

  Preferred Materials In preferred constructions in accordance with the present invention, the upper pieces 35, the padding of the upper sole or insole 15, the mudguard or side wall 17 and the connecting tape 7 are all flexible, so typical include a flexible textile material or are made of flexible textile material. In this context, "flexible" is understood to mean that they are capable of bending and conforming like a covering garment or textile, around the foot of a wearer. Here, in this context, the term "textile" is

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  understood to include in its scope multilayer textiles, laminates and composites. In general, it is understood that

  expression will include materials that can be either woven or non-woven

  woven, or components formed from both types of materials.

  Also included are materials with fibers that are both natural and

  synthetic as well as composite fibers.

  Preferably, some of the components of the slipper include flexible textile and laminated on a thin layer of flexible nonwoven synthetic material. The nonwoven material provides stability to the textile component, so that the textile will not stretch or lose its shape during assembly or use. Preferably, the sole, the connecting tape, the mudguard or side wall and other materials

  of the upper include a non-woven component.

  Here, when referring to the expressions "adhesive" and "glue" or their variants, it is not intended to make a distinction either between the materials or the methods for attaching them to each other. that the expression "adhesive" is understood to include in its scope the expression "adhesive", and the expression "adhesive" is understood to include in its scope the expression "adhesive". We do not mean to exclude any process or resulting bonding approach, such as chemical adhesion or mechanical interaction, or both; furthermore, no indication is given here of the nature of the chemicals in the materials that form the adhesive or glue In general, adhesive materials or glues known to be suitable for materials to be attached to slippers may be

  used and are commercially available.

  Preferably, the middle sole portion of the sole filling, that is to say the part 60 shown in FIG. 7, is made of compressible foam, for reasons of comfort. Typical preferred materials will include a single piece of polymer foam, especially polyurethane with a density of 2.2 to 2.7 pounds per cubic foot (35 to 43 kg / m3), for example, about 40 to 43 kg / m3 and typically about 2.5 pounds per cubic foot (about 40 kg / m3). In

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  alternatively, polyurethane foam can be used with a density of 2.2 to 2.7 pounds per square foot over a uniform thickness of 3/8 inches (0.9 cm), more typically about 2.5 pounds per square foot (40 kg / m3). Typical preferred pieces for the midsole will be between about 3/4 inch (1.9 cm) and 1 inch (2.5 cm) thick, more typically about 1/4 to 3/4 inch (0.6 to 1.9 cm), and midsole pieces will usually be used with thicknesses of about 3/8 inch (0.9 cm), or about

1/8 inch (0.3 cm).

  The heel filling 61, shown in Figure 8, will typically and preferably be a firm material, that is, one which does not compress easily under the weight of a person. Materials such as styrene foam, wood, stony materials, or solid (molded) polymeric materials, or even composite materials are examples of usable materials. A typical preferred material is a molded polymer, such as an EVA (ethylene vinyl acetate) part. The heel pad 61 may have a thickness, at its thickest point, of about 1/4 inch (0.6 cm) up to about 1 1/4 inch (3 cm), preferably about

3/8 inch (0.9 cm).

  Typically, the preferred outsole will be either a molded polymeric material, or a synthetic rubber, i.e., thermoplastic rubber (TPR) or leather. Typical materials

  preferred will be ethylene vinyl acetate (EVA) or polyethylene.

  A typical thickness for the outsole will be about 1 inch or thinner (2.5 cm). Typically, when the remaining components are attached to the outsole by sewing, the thickness of the outsole will be no more than about 3/4 inch (1.9

  cm), typically about 3/16 inch to 3/8 inch (0.5 to 0.9 cm).

  As described below, in some embodiments, the components will be attached to the outsole with adhesive (or glue) rather than sewing. When this is the case, the outsole may be somewhat thicker, since it is not necessary for the needle of the sewing process to pierce the outsole. In the cases in which one chooses leather for the sole

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  outsole, relatively thin outsoles can be used. The lower part of the outsole can include a pattern from different sole patterns which are known in this technical field, such as horizontal grooves in the heel region and the toe region. Variants of realization One will refer its attention to figures 10 and 1 1, which relates to an alternative embodiment. Referring to Figure 10, the illustrated slipper 100 has a construction similar to the slipper 1 of Figure 1, except that the slipper 100 has an open configuration at the toes, so that the upper 110 of slipper 100 does not cover the toes. Referring to Figure 1 1, this represents the upper 110 of the variant of slipper embodiment 100 of Figure 10. The upper 110 has an open configuration at the toes, so that the toes of the wearer of the slipper will be exposed during use. The upper border 112 and the lower border 114 of the upper 110, according to the orientation of FIG. 11, are sewn by a retracted seam, shown in the torn off part 120. The lateral edges of the upper 110 do not necessarily have to present a finished border since these borders will be hidden in the final construction. The assembly of the slipper 100 will moreover be analogous to the assembly of that of FIG. 1, which has been described above in relation to FIG. 2. In addition, with the exception of the specific configuration of the upper, the components can be as described above in relation to the preferred embodiment of Figure 1. That is to say that the slipper 100 is simply an open version at the toes of the slipper illustrated in Figure 1. Other configurations of the upper or upper are also possible, such as for example a configuration with one or

several ribbons of the sandal type.

  In general, for the approach described above to the preferred construction, reference has been made to sewing for the assembly of the different parts. In some cases, approaches can be used

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  alternatives for fixing parts or components together,

  such as the use of adhesive or glue.

  When making a slipper of the present invention using glue or adhesives, the upper can be sewn onto the lining of the upper and returned to the side, as is done in the sewing process. assembly of the present invention. The textile cover will be glued to the midsole. Then the upper will be glued to the bottom of the midsole. Finally, the assembly consisting of the vamp and the midsole will be glued to the outsole. When using bonding methods, appropriate materials should be chosen to provide an appropriate joint using the selected adhesives, as known

in the technical field.

  The present invention also relates to a method for producing an open heel slipper, the method including an operation of attaching a flexible upper to a flexible side wall portion of a foot platform along a line of attaches at least 80% of the height of the side wall portion from an attachment line of the side wall portion to an upper padding portion

of the footrest platform.

  The present invention has been described here in a preferred and alternative embodiment. However, it will be understood that modifications and provisions equivalent to the concepts described will be apparent to those skilled in the art. It is understood that such modifications and equivalent provisions will be included in

  the scope of the present invention.

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Claims (20)

claims   1. Slipper with open heel, characterized in that it comprises: (a) an outer sole (4); (b) a footrest platform (5) fixed on the outer sole (4); the footrest platform (5) having a flexible side wall portion (17) and an upper padding portion (15); the flexible side wall portion (17) extending in direction between the upper padding portion (15) and the outsole (4) and (c) a vamp (6); the upper (6) being fixed in the slipper (1) with a free extension of the flexible side wall part (17) projecting upwards, from a line of attachment of the upper (6) to the rest of the slipper, over a distance of at least 60% of the maximum height of the extension of the side wall part (17) from the outer sole (4) covered by the upper (6).   2. Slipper according to claim 1, characterized in that the upper (6) is fixed in the slipper (1) with a free extension of the flexible side wall part (17) in upward projection, from a line d attachment of the upper (6) to the rest of the slipper, over a distance of at least 80% of the maximum height of the extension of the side wall part (17) from the covered outer sole (4) by the upper (6).   3. Slipper according to claim 1 or 2, characterized in that the upper padding part (15) is fixed to the wall part flexible side (17) by sewing.   4. Slipper according to one of claims 1 to 3, characterized in   that it includes an internal filling (10) of the sole positioned   between the upper padding part (15) of the platform   foot (5) and the outsole (4). 1 8 2818098   5. Slipper according to one of claims 1 to 4, characterized in that   the internal sole filling (10) comprises: (i) a compressible middle sole (60); and (ii) a heel support part (61), said heel support part (61) being positioned between the compressible middle sole (60) and the outsole (4).   6. Slipper according to claim 5, characterized in that the compressible middle sole (60) comprises a single piece of foam. polymer.   7. Slipper according to claim 5 or 6, characterized in that the compressible midsole (60) comprises a single piece of polyurethane foam having a density in the range of about 2.2 to   2.7 pounds per cubic foot, 40 to 43 kg per cubic meter.   8. Slipper according to one of claims 5 to 7, characterized in that   the heel support portion (61) includes a beveled front edge (65) defining a bevel surface, the heel support portion (61) being oriented with the beveled surface (65) facing the sole   median (60) and away from the outer sole (4).   9. Slipper according to one of claims 1 to 8, characterized in that   the upper padding part (15) and the flexible side wall part (17) of the footrest platform (5) each include a flexible textile material.   10. Slipper according to one of claims there 9, characterized in   that the upper (6) comprises a flexible textile material.   11. Slipper according to one of claims 1 to 10, characterized in   that the upper (6) comprises two layers (35) of flexible textile materials fixed to one another along a perimeter seam line (38).   12. Slipper according to one of claims 1 to 10, characterized in   that the upper (6) is fixed to the footrest platform (5) by sewing. 13. Slipper according to claim 12, characterized in that the vamp (6) is fixed on the footrest platform (5) along a seam line which is positioned at a distance which does not exceed approximately 1 cm from the outsole (4), when the slipper (1) is fully assembled.   14. Slipper according to one of claims 1 to 13, characterized in   that it comprises a flexible textile connecting element fixed to the side wall (17) of the footrest platform (5) at a location   adjacent to the outsole (4).   15. Slipper according to claim 14, characterized in that the element   flexible textile connection is fixed on the side wall (17) of the platform footrest shape (5) by sewing.   16. Slipper according to claim 14 or 15, characterized in that   the connecting element is fixed to the outer sole (4) by sewing.   17. Slipper according to one of claims 1 to 16, characterized in   that the outer sole (4) is chosen from the materials in molded polymer and leather.   18. Slipper according to one of claims 1 to 17, characterized in   that the upper padding part (15) is substantially planar.   19. Slipper according to one of claims 1 to 18, characterized in   that the upper padding part (15) does not include any part extending upwards.   20. A method for producing an open heel slipper, the method including an operation of attaching a flexible upper (6) to a flexible side wall portion (17) of a foot platform (5) along '' a line of attachment at least 80% of the height of the side wall part (17) from a line of attachment of the side wall part (17) to an upper padding part (15) of the footrest platform (5).