ES1067616U - Footwear plant (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Footwear plant comprising a substantially flat laminar main body which is attached to a cut to constitute the footwear and a heel characterized in that the main body (1) is constituted from a polymer with the heel (2) being integrated in the breast surrounding said polymer to the heel on both its upper face and its lower face, said heel (2) remaining located at the rear of the main body and because the heel (2) comprises on its upper face a layer of papier-mºchº (4), below which is disposed a cellulose layer (5), then a layer of fibreboard (6), a shank (3), which covers most of the length of the heel and a sheet (7) reinforcement for the nailing of the heel. (Machine-translation by Google Translate, not legally binding)

Description

Plant for footwear.

Field and object of the invention

The invention falls within the field of shoe manufacturing and more specifically refers to a plant for footwear designed to integrate one's own body floor with a heel which incorporates a cambrillón.

State of the art

At present, a multitude of shoe plants which have a very diverse configuration. In many cases the plant is composed of a material of cork and rubber, to this plant joins an assembly plant of cellulose which, in turn, is attached to a lower heel of Stone cardboard and a fiberboard top, a steel reinforcement elongated tempered (cambrillón) and a reinforcement plate.

The problem with this type of plant is that the manufacturing process usually requires several phases of glued between the different parts of the plant and of the own heel, with the increase in manufacturing time and therefore of the final cost of the plant.

On the other hand, when the plant consists of different parts normally joined by adhesive compounds, what usually happens is that with the use of footwear and the following push-ups of the floor while walking, the mentioned pieces tend to separate from each other causing the shoe to deteriorate quickly and have to be repaired continuously and even in Some cases remain unusable.

Finally, in this type of plants it is always it is necessary to use a layer of cellulose that covers all of the plant being said quite expensive material.

Therefore, a need for provide a template, which through an integration during the manufacture of the heel and the cambrillón within It avoids the problems outlined.

This objective is achieved through the invention as defined in claim 1, in the dependent claims defined preferred embodiments of the invention.

Description of the invention

The present invention relates to a plant for footwear comprising a laminar main body substantially flat which joins a cut to constitute the footwear and a heel. The main characteristic of the aforementioned plant resides in that the main body is constituted from a polymer being integrated the heel in its bosom surrounding said polymer to the heel both on its upper face and on its lower face, said heel remaining on the part back of the main body. For its part, the heel has on its upper face of a layer of stone cardboard, below the which is a layer of cellulose, then a layer of fiber cardboard, a cambrillón that covers most of the length of the heel and a reinforcement plate for nailing the heel.

In this way the heel is part member of the plant embedded in the main body of the same, which is made of a polymer that advantageously It could be an expanded polyurethane foam. This determines a  monobloc plant that through an injection molding process get the heel and the cambrillón integrated in a single operation associated with it within the main body or plant proper. In this way, savings are achieved in the manufacturing costs and on the other hand, it is achieved that by being the heel covered by polymeric foam that is part of the main body, plant deterioration and separation of the heel and the main body is much slower and difficult, resulting in a longer duration of the plant and ultimately the footwear.

In another notable aspect of the invention, the Thickness of the stone cardboard layer may be greater than the thickness of the cellulose layer and its thickness in turn may be greater than the thickness of the fiber layer.

Description of the drawings

Then it goes on to describe very brief a series of drawings that help to better understand the invention and that expressly relate to embodiments of said invention which are presented as illustrative examples and not Limitations of this one.

Figure 1 represents a plan view top of the plant object of the present invention.

Figure 2 represents a sectional view according to the longitudinal cutting plane I-I of the Figure 1.

Description of an embodiment of the invention

In figure 1, a view is represented top of the plant in which the typical form of a plant of this type, said plant is composed of a main body (1) that corresponds to the plant itself and in which an attempt was made to represent the position and with a dashed line shape, on the one hand, of the heel (2) and on the other, of the cambrillón (3) that is part of it.

The heel (2), as you can see with more clarity in the section, represented in figure 2, of the plant according to the longitudinal cutting plane I-I, it comprises a layer of stone cardboard (4), below which dispose a layer of cellulose (5), then a layer of cardboard fiber (6), and below it the aforementioned cambrillón (3), which covers most of the length of the heel and covering said cambrillón inferiorly a reinforcement plate (7) is arranged for nailing the heel (not shown).

The manufacturing of the plant is done depositing the heel (2) in an aluminum mold, which is fixed by magnets to said mold thanks to the cambrillón (3) integrated into it, which is made of steel, proceeding after injection molding of polyurethane foam to said mold until obtaining the main body (1).

Claims (2)

1. Footwear plant comprising a substantially flat laminar main body which joins a cut to constitute the footwear and a heel characterized in that the main body (1) is constituted from a polymer, the heel (2) being integrated into its breast surrounding said polymer to the heel both on its upper face and on its lower face, said heel (2) remaining on the back of the main body and because the heel (2) comprises on its upper face a layer of stone cardboard (4), below which a layer of cellulose (5) is arranged, then a layer of fiberboard (6), a cambrillón (3), which covers most of the length of the heel and a sheet (7) reinforcement for nailing the heel. 2. Shoe plant according to claim 1, characterized in that the polymer constituting the main body (1) is an expanded polyurethane foam.