EP3154388B1 - Outil de mesure - Google Patents

Outil de mesure Download PDF

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Publication number
EP3154388B1
EP3154388B1 EP15733639.7A EP15733639A EP3154388B1 EP 3154388 B1 EP3154388 B1 EP 3154388B1 EP 15733639 A EP15733639 A EP 15733639A EP 3154388 B1 EP3154388 B1 EP 3154388B1
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EP
European Patent Office
Prior art keywords
measurement tool
shoe
support member
measuring
inlet opening
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EP15733639.7A
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German (de)
English (en)
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EP3154388A2 (fr
Inventor
Robert Stocker
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Schuhvision GmbH
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Schuhvision GmbH
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Publication of EP3154388A2 publication Critical patent/EP3154388A2/fr
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43DMACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D1/00Foot or last measuring devices; Measuring devices for shoe parts
    • A43D1/06Measuring devices for the inside measure of shoes, for the height of heels, or for the arrangement of heels

Definitions

  • the present invention generally relates to a measurement tool for measuring the interior of garments according to claim 1. Furthermore, the invention relates to a method for producing a measuring tool according to claim 9 and a method for measuring the interior of a shoe according to claim 11.
  • the fitting issue is poorly defined and hardly quantified.
  • the fitting of a garment is understood to be the adaptation of its shape to the human body.
  • a good fit contributes to the comfort of wearing any clothing. Since every person has different body proportions as well as different body proportions, in the case of body clothing, the clothing size alone does not make any statement as to whether the clothing is optimally adapted to the body. The same is true in the footwear sector: shoe size alone does not provide a reliable indication of the actual fit of the shoe with respect to the individual foot.
  • the EP 2164355 discloses a tactile device and method for detecting the 3-D spatial shape of a body, wherein a surface of the body is scanned by a tactile end.
  • the keying is rigidly connected to a camera via a connecting device, so that the camera is always moved when the keying is moved.
  • the camera is arranged in such a way that it can detect a surface provided with photogrammetrically evaluable marks, on which the body to be scanned stands, while the scanning element scans different points of the surface of the body to be scanned.
  • the WO 2005/111539 describes a method for nondestructive determination of inside and / or outside dimensions of a shoe or boot.
  • a measuring arrangement which detects the inner surface of the shoe in three dimensions is used with which cross-sectional images are determined and stored in layers by means of a radiological, computed tomographic, nuclear spin tomographic or other imaging measurement method. After the data acquisition, fixed points or virtual points related to the shape of the foot and connecting lines extending between them are determined.
  • an X-ray logical recording method can be used, in which a X-ray contrast-giving calibration element, the measurement of the points of interest takes place.
  • the DE 10 2005 039632 A1 discloses a method and an apparatus for measuring shoes of all kinds. The measurement is made by the use of laser beams.
  • the DE 10 2012 004064 A9 relates to a computer tomographic method and a device for nondestructive determination of the inner dimensions of shoes.
  • a device for measuring the interior of a shoe which is formed with a shaft portion and a adjoining the shaft part foot part, wherein the foot part on the shaft part in the sense of a teaching to the length of the interior of the shoe is adaptable.
  • the foot part is dimensioned and constructed in such a way that it can be adjusted from a short plug-in state, which fits into shoes of any size, into a measurement state which is approximately adapted to the length of the interior.
  • a principle similar procedure includes the US 6,19 2,593 B1 ,
  • a pneumatically activated sensor is disclosed, which can move in the axial direction within a shoe and nondestructively detect the internal dimensions of the shoe.
  • a computer-controlled linear pneumatic transmission drives a probe until it touches the toe portion of the shoe.
  • a potentiometer the linear distance, which the sensor has covered, is then measured.
  • the fit can be significantly improved overall, since the footbed plays at least as important a role in the fit and operation of a shoe as the fit of the upper shoe;
  • a further improvement can be achieved by simultaneously digitalizing the sections of the human foot that are visible from above and from the side using a 3-D foot scanner, which can thus also be taken into account in the fit.
  • the pressure image of the sole of the foot can be measured by means of a spatially resolving pressure sensor built into the foot scanner ( US 7,489,813 ).
  • the data obtained via scanners can now either be used in the production of individualized strips or can be used to adapt strips used in industrial shoe production. Further the data can be compared with records concerning digitized shoe rooms of ready-made shoes.
  • the pamphlets DE 2007 032 609 and US 7,446,884 each disclose a method by which a 3D numerical model of the interior of a finished shoe can be created.
  • This 3D numerical model of the interior is intended to allow for improved adaptation of the digitized 3D foot shape of the wearer to the incomplete insole shapes of a last database, resulting in an improved fit.
  • the WO2012075298 discloses a method of categorizing body shapes wherein a set of measurement data of each body part of interest (in front and side views) of a plurality of subjects is subjected to a principal component analysis.
  • the measured data are generated by conventional measurement or by 3-D scanning.
  • the calculated principal components are included in the following cluster analysis; Their results ultimately serve to establish form-categories, whereby body forms of the plurality of subjects can be efficiently categorized.
  • the devices and methods known from the prior art usually do not take into account at all or only insufficiently textile-physical properties of the item of clothing / shoe, for example the elasticity of the materials used.
  • the above-mentioned scanner-assisted adjustment method attempts to quantify the fit based on the shoe / foot and foot mismatch, with the sole limitation of foot anthropometry and without adequate consideration of material properties.
  • these properties have a significant influence on the adaptation of the shoe shape to the human foot, as well as on the evaluation of this adaptation of the shoe shape, so the fit, by the wearer.
  • Disadvantages are the devices and methods known from the prior art, moreover, with regard to simple applicability and cost intensity.
  • the wearer requires the use of complex scanning technology to produce a digitized image of the body / body part.
  • the method of scanning the respective body part / foot requires a certain technical expertise, as certain landmarks for recognizing the bone structures and the orientation of the body to be measured in the room must be marked.
  • the corresponding disadvantages also apply with regard to interiors of clothing items, in particular of shoes, detected by scanning technology.
  • the present invention therefore an object of the invention to provide a measuring tool and a method for measuring the interior of a garment, in particular a shoe, which does not have the aforementioned disadvantages of the prior art.
  • Both the measuring tool and method should be easy to use to allow accurate, time-saving, effective measurement of a large number of different interior spaces of garments.
  • the increasing distribution of clothing, especially footwear, in online commerce also has an ecological advantage as a result of the large scale, accurate measurement of the sales objects, as the return rate can be significantly reduced due to inadequate fit - which significantly lessens the environment ,
  • the object underlying the invention is achieved by the measuring tool defined in the claims, as is also apparent from the enclosed exemplary embodiments.
  • the solution according to the invention is based on a thermographic measuring method.
  • the invention in a first aspect, therefore, relates to a measuring tool (1) for measuring the interior of a garment, comprising at least one internal support element (2).
  • the measuring tool (1) furthermore comprises at least one input opening (4) arranged in a first plane (21) of the measuring tool (1) and leading into the supporting element (2), and at least one, in a second plane (22) of the measuring tool (FIG. 1) arranged, out of the support element (2) outgoing output opening (5).
  • the at least one outlet opening is connected to the at least one inlet opening (4) via at least one connecting passage (6).
  • the measuring tool (1) further comprises at least one envelope element (7).
  • a measuring tool (1) designed in this way is therefore characterized by a three-layered structure comprising at least one support element (2), at least one enveloping element (7) and a cavity (8).
  • a support element (2) designates a component which, due to the strength of the selected material and its geometric dimensions (eg cross-sectional geometry, length), is able to absorb loads, in particular loads in the direction of its longitudinal axis.
  • the support element (2) additionally only has the limitation that the material should have the lowest possible thermal conductivity.
  • the support element (2) according to the invention may consist of a thermo-or thermosetting polymer or a combination thereof, for example of polypropylene or polyethylene.
  • an enveloping element (7) According to the invention, an element is understood which differs from the support element (2) in terms of its material properties.
  • the enveloping element (7) may consist of an elastomeric polymer.
  • an enveloping element (7) is formed of a material having a lower strength and a smaller modulus of elasticity than the material of the supporting element (2).
  • the support element (2) may be formed of a material with a modulus of elasticity> 1 kN / mm 2
  • the enveloping element (7) may consist of a material having a modulus of elasticity between 0.0001 - 0.1 kN / mm 2 .
  • the measuring tool (1) can be used particularly advantageously in a measuring device for measuring the interior of a shoe.
  • the measuring device is preferably aligned with respect to the earth's surface so that a base plate of the measuring device, on which the shoe to be measured with the measuring tool (1) inserted therein, is arranged to lie parallel to the earth's surface.
  • the at least one inlet opening (4) and the at least one outlet opening (5) of the measuring tool (1) can be arranged with respect to two horizontal planes extending substantially parallel to the earth surface so that the inlet opening (4) lies in a horizontal plane above that horizontal plane in which the at least one outlet opening (5) is arranged or which intersects the at least one outlet opening (5).
  • the at least one inlet opening (4) thus lies above the at least one outlet opening (5).
  • the measuring tool (1) designed in this way is characterized by a simple application. It can be easily introduced into the interior of a garment, such as a shoe, to be measured. If the interior of a shoe arranged on the base plate of the measuring device is to be thermographically measured by means of the measuring tool (1) inserted therein, heat-carrying medium, for example warm air, flows through the at least one outlet opening (5) into the at least one inlet opening (4). in the cavity (8). This fills with medium, as long as the discharge pressure exceeds the counterpressure generated by the enveloping element (7). Alternatively, the cavity (8) fills with medium until the discharge pressure is less than the counterpressure created by the material surrounding the interior of the garment / shoe interior.
  • heat-carrying medium for example warm air
  • the introduced medium can reach the cavity (8) via the at least one inlet opening (4), the at least one connecting passage (6) and the at least one outlet opening (5); Alternatively, however, the medium can also be introduced directly into the cavity (8) arranged between the support element (2) and the enveloping element (7).
  • the measuring tool according to the invention (1) is simple and inexpensive to manufacture due to its only three-layer structure.
  • the measuring tool (1) may further comprise at least one molding element (3) arranged between the at least one supporting element (2) and the at least one enveloping element (7).
  • the at least one input opening (4) arranged in a first plane (21) of the measuring tool (1) can lead into the support element (2) via the mold element (3) and the at least one, in a second plane (22) of the measuring tool (1) arranged output port (5) on the mold element (3) from the support element (2) out.
  • a shaped element (3) designates an element whose material has a strength which lies between that of the support element (2) and that of the enveloping element (7).
  • the strength refers to the mechanical material parameter, which characterizes the resistance behavior of a material against elastic or plastic deformation.
  • the at least one support element (2) can be formed with a first support body (9) and at least one further support body (10), wherein the first support body (9) and the at least one further support body ( 10) via a hinge connection (11) are interconnected.
  • first support body (9) and the at least one further support body (10) are preferably arranged in relation to two horizontal planes extending substantially parallel to the earth's surface such that the first support body (9) is cut by a horizontal plane which lies above that horizontal plane, in which the at least one further supporting body (10) is arranged or which intersects the at least one further supporting body (10).
  • the first support body (9) may be formed as a parallelepiped or cylindrical body; its geometric design is not subject to any particular restrictions and depends largely on the geometry of the interior of the garment to be measured. If the measurement tool (1) according to the invention is to be used to measure the interior of shoes, it is particularly preferred if the first support body (9) corresponds approximately to a human tibia in terms of its dimensions, with an upper end in relation to the earth's surface and one lower end. In this context, it is particularly advantageous if the lower end, which adjoins the at least one further supporting body (10), is formed with a convex rounding (19).
  • the at least one further supporting body (10) is formed in a shape corresponding to the human foot skeleton, ie he includes heel, metatarsus, and toes.
  • the measuring tool according to the invention (1) comprises in this case a total of three supporting bodies, namely the first supporting body (9) and two further support body (10).
  • the first further supporting body (10) may be in the form of a human heel and a human metatarsus
  • the second further supporting body (10) may be in the form of human toes.
  • the first support body (9) and the further support body (10) can be connected to one another via an articulated connection.
  • the portion of the at least one further supporting body (10) adjoining the first supporting body (9) has a concave recess (20) at least partially receiving the convex rounding (19) of the lower end of the first supporting body (9). is trained.
  • the first support body (9) and the at least one further support body (10) can be connected to one another by means of a plurality of known from the prior art joints, for example via a rotary, a thrust, or a ball joint.
  • the articulated connection (11) can be designed such that the degrees of freedom of possible articulated joints correspond to those of the corresponding human articulation.
  • the articulated connection (11) may be in the form of a hinge that is predominantly movable upwards and downwards in relation to the earth's surface (hinge).
  • the articulated connection (11) is not subject to any particular restrictions with regard to the material properties of the connection; it is particularly preferred if the articulated connection (11) is designed as a spring steel joint. In addition, it is preferred that between the parts to be joined a defined distance, for. B. a margin of about 3-4mm exists.
  • a defined distance for. B. a margin of about 3-4mm exists.
  • the measuring tool (1) formed in this way is advantageously distinguished by high flexibility with regard to the arrangement of the individual components.
  • the first support body (9) with the at least one further support body (10) be connected so that after insertion into the interior of the garment, the relative movements of the corresponding human body parts in Garment can be simulated.
  • the measuring tool according to the invention (1) used for example in a flat shoe - in the presence of only one articulated connection between the first support body (9) and the other support body (10) - the human heel corresponding part of the further support body (10) Heel section of the shoe and the toes corresponding part of the further support body (10) come to rest foot body in the front region of the shoe.
  • the articulated connection can be thermally insulated with a potting compound (12).
  • a potting compound (12) is understood to mean a mass which mostly consists of a polymer and which can be used for covering, mechanical reinforcement and protection of assemblies, eg. B. to fill cavities and / or components to protect against environmental influences.
  • the potting compound (12) consist of a light, not pressure-stable silicone with low thermal conductivity or of another polymer with comparable material properties.
  • the potting compound (12) may have a comparatively gelatinous material state after curing. Similar to a real joint, the registered potting compound (12), for example a silicone layer, assumes the function of a joint compound.
  • the heat-insulating potting compound (12) can significantly reduce the heat absorption of the spring steel connector during the measuring process by means of a full-area enclosure of a hinge connection (11) formed with a spring steel connector.
  • the connecting passage (6) can comprise at least one longitudinal bore (13) extending from the inlet opening (4) and arranged largely centrally in the measuring tool (1).
  • the at least one outlet opening (5) can be fluidically connected to the end (15) of the at least one longitudinal bore (13) remote from the inlet opening (4) by at least one transverse bore (14) arranged substantially at right angles to the longitudinal bore (13).
  • the first support body (9) formed in an elongate, cylindrical shape has a centrally arranged longitudinal bore (13) with a diameter between 5-15 mm, wherein the longitudinal bore (13) advantageously in the during the measurement of the base plate Measuring device facing first quarter of the first support body (9) ends.
  • the at least one transverse bore (14) which preferably adjoins the end (15) of the longitudinal bore (13) at right angles may fluidly connect the at least one inlet opening (4) to the at least one outlet opening (5).
  • the measuring tool (1) with four, at right angles to each other and to the longitudinal bore (13) arranged transverse bores (14) may be formed.
  • Such a trained passageway (6) allows a fast and uniform distribution of the introduced via the inlet opening (4) medium defined temperature in the cavity (8) during the measurement, whereby the measurement can be carried out extremely time and cost effectively.
  • the measuring tool (1) may have a heating element arranged in the at least one connecting passage (6).
  • a heating element is understood to mean a technical component with which heat energy can be supplied to a substance (such as, for example, a gas or a liquid).
  • the heating element of a in the connecting passage (6) arranged electrical heating element made of metal or ceramic.
  • the heating element via appropriate supply lines, a heat carrier to be performed, for example, hot water or steam.
  • the temperature of the supplied heat-transferring medium can be kept constant over a longer period in a simple manner via the heating element. Longer measurement times may be required, for example, in complex interior spaces of garments, such as in the measurement of the interior of gloves.
  • the at least one shaped element (3) can consist of a pressure-stable polymer.
  • the polymer used for the mold element (3) is characterized by a significantly higher pressure stability compared to the polymer used for the potting compound (12), particularly preferably a pressure-stable silicone polymer can be used for the mold element (3).
  • the silicone used for the mold element (3) is such that compression is possible when it is inserted into the interior of the garment to be measured, so that the material displacement largely corresponds to that of the human body.
  • the material used is characterized by very good heat insulating properties, so that the thermographic measurement process is hampered as little as possible by interference signals.
  • the at least one enveloping element (7) may consist of an elastomeric polymer having a modulus of elasticity of 0.1-100 N / mm 2 , preferably 0.3-30 N / mm 2 .
  • An elastomeric polymer is understood according to the invention to be a dimensionally stable but elastically deformable plastic whose glass transition point is below the operating temperature. Elastomers can deform elastically under tensile and compressive loading, but then return to their original, undeformed shape.
  • Preferred elastomers in the context of the present invention are natural rubber, polyethylene, polyurethane or polyisoprene.
  • the sheath element (7) is designed to counteract the pressure exerted by the heat medium introduced into the cavity (8) during the measuring process and at the same time to fill the cavities possibly existing between the measuring tool (1) in the resting state and the inner contour of the item of clothing.
  • the material of the enveloping element (7) preferably fulfills the requirements of tightness, as are placed, for example, on latex gloves in the medical field (DIN EN 455/1) or on condoms (ISO 4074).
  • the measuring tool (1) formed with such an envelope element (7) can advantageously enable the efficient measurement of a large number of interior spaces of items of clothing, in particular of shoes.
  • the introduced into the cavity (8) heat transfer medium can due to the low modulus of elasticity of the Hüllelements (7) between the measuring tool (1) in the resting state and the inner contour of the garment possibly existing cavities rapidly and fill out completely.
  • the sheath element (7) can be attached to the measuring tool (1) according to the invention by simple slipping over the support element (2) or the shaped element (3) without great difficulty, so that it is possible to carry out different measurement processes involving different material requirements for the cladding element (FIG. 7), can be easily replaced.
  • an envelope member (7) having a relatively high modulus of elasticity may be used, while in interiors bounded by a stiff material , an enveloping element (7) with a lower modulus of elasticity can be used.
  • the present invention relates to a method for producing the measuring tool (1) according to claim 1, wherein the method comprises the following steps: in a first step, at least one support element (2) is provided on which in a second step at least a, the at least one support element (2) surrounding the mold element (3) is attached. In a third step, at least one entry opening (4) is introduced in a first plane (21) of the measuring tool (1), which leads into the support element (2) and / or the forming element (3), followed by insertion in a second plane (22) of the measuring tool (1) at least one output opening (5) which leads out of the support element (2) and / or the mold element (3).
  • At least one connecting passage (6) is made between the at least one entrance (4) and the at least one exit opening (5) for connecting the aforementioned openings.
  • the method according to the invention comprises the further working step the attachment of the necessary number of articulated joints (11) between, for example, the first support body (9) and the further support body (10) and between the other support bodies (10) with each other. Also, this step is characterized by ease of execution, since preferably commercially available spring steel sheets can be used to produce the articulated connection.
  • the connecting passage (6) starting from the at least one inlet opening (4), can be in the form of a largely centrally arranged longitudinal bore (13).
  • the connecting passage (6) starting from the at least one outlet opening (5), at the end (15) of the longitudinal bore (13) remote from the at least one inlet opening (4) in the form of at least one, substantially perpendicular to the longitudinal bore (13).
  • 13) arranged transverse bore (14) may be formed.
  • four transverse bores (14) arranged at right angles to each other are advantageously introduced at the end (15) of the longitudinal bore (13).
  • the at least one support element (2) for attaching the at least one, preferably made of a polymer compound compound element (3) can be easily positioned in a mold by using the respective output openings (5) spacers are introduced, which exactly have the dimension of the transverse bores (14) of the support element (2). It is advantageous casting mold dimensioned so that the support element (2) is completely covered with the material from which the at least one mold element (3). During casting, the at least one inlet opening (4) is expediently protected against penetration of the material of the molding element (3) by means of a corresponding closure means, for example a stopper.
  • the present invention comprises a method for thermographic measurement of the interior of a shoe in a measuring device using the measuring tool (1) according to the invention.
  • the method according to the invention is also generally suitable for the thermographic measurement of interiors of items of clothing, for example blouses, T-shirts, pants, skirts and gloves, by means of the measuring tool (1) according to the invention.
  • the thereby in view of the Measuring device and the measuring tool (1) to be made changes in the knowledge of the skilled person.
  • the measuring tool (1) according to the invention is suitable for the measurement of ladies' and men's as well as children's shoes.
  • the measuring tool (1) is provided in a first step, followed by the attachment of the shoe to be measured on a base plate of the measuring device. Subsequently, the measuring tool (1) is inserted into the shoe to be measured and a medium-introduction hose (16) attached to the at least one inlet opening (4). In the next step, a clamping ring (17) is fastened to the measuring tool (1) such that the clamping ring (17) comes to lie in the vicinity of the at least one outlet opening (5).
  • the clamping ring (17) is arranged in relation to the outlet opening (5) in such a way that the cavity (8) formed between the supporting element (2) / the forming element (3) and the enveloping element (7) opposes the ambient air during the duration of the Measuring process is completed.
  • the clamping ring (17) is advantageously mounted above the at least one outlet opening (5).
  • the heat-transferring medium for example warm air introduced into the cavity (8) via the at least one inlet opening (4) via the connecting passage (6) and the at least one outlet opening (5) can thus remain in the cavity until completion of the measurement (8) remain.
  • the introduction of the heat-carrying medium can take place until reaching a predetermined pressure value, which can be detected, for example, via a pressure sensor arranged on the clamping ring (17).
  • a predetermined pressure value which can be detected, for example, via a pressure sensor arranged on the clamping ring (17).
  • the maximum pressure to be achieved is determined on the one hand by the elastic properties of the material of the Hüllelements (7), on the other hand, the pressure value is limited by the expansion of the Hüllelements (7) counteracting backpressure, which generates the surrounding space of the garment / Schuhinnenraums material ,
  • the heat distribution is detected in the measuring tool (1) used in the shoe interior by means of at least one heat sensor.
  • the heat distribution in the measuring tool according to the invention is determined via a plurality of heat sensors; from the sensor data can by means of an evaluation program of an arithmetic unit, the dimensioning of the shoe interior can be calculated accurately.
  • the heat distribution can for example also be detected by means of commercially available thermal imaging cameras, from which the shoe interior can subsequently be reconstructed via a corresponding image analysis.
  • the inventive method allows an easy to be carried out, effective measurement of interiors of shoes or possibly other clothing pieces, wherein achieved by the measuring tool according to the invention (1) an interaction between the corresponding human body part "replicated" measuring tool (1) and the interior of the measured garment similar to that between an actual carrier and the garment concerned.
  • the heat-carrying medium is preferably hot air or other gases having a defined heat capacity; Alternatively, however, liquid media, such as hot water, or solid media, such as a fine-grained granules or sand, are used.
  • the heat distribution of the heat-transferring medium introduced into the cavity (8) between enveloping element (7) and support element (2) / mold element (3) is detected in the interior of the item of clothing, whereby the use of the clamping ring (17) closes off during the measuring process Cavity (8) is generated.
  • the Hüllelements (7) a heat distribution of the heat-carrying medium between the support element (2) / the mold element (3 ) and the inside of the garment.
  • spurious signals which may occur, for example, due to lack of tightness of the garment interior, must be taken into account accordingly.
  • the easiest way for the user to measure and least susceptible to the measurement of interiors of garments therefore preferably includes the use an envelope element (7) adapted to the specific properties of the heat-carrying medium.
  • the heat-carrying medium in the connecting passage (6) can be warmed by means of a heating means.
  • the temperature of the heat-carrying medium can thus be maintained constant even over a long measuring process, as may be required in complex interior spaces of items of clothing, for example gloves.
  • the present invention relates to a method for measuring the interior of garments by means of infrared thermography.
  • Thermography is an imaging process for displaying the surface temperature of objects.
  • the intensity of the infrared radiation emanating from a point is interpreted as a measure of its temperature.
  • a thermal imaging camera converts the infrared radiation, which is invisible to the human eye, into electrical signals. From this, the camera generates a picture in false colors or a monochrome grayscale image.
  • the object to be measured is presented individually and specifically for a given infrared sensor, which is based on its material and surface specific conditions. For example, many organic products and liquids can be measured without special measures, whereas metals, especially those with reflective surfaces, require special consideration.
  • Most real bodies do not correspond to the ideal of the so-called “blackbody”, which absorbs all radiation falling on it, so that neither reflection nor transmission occur on it.
  • Many real bodies are so-called “gray emitters", ie they emit less radiation at the same temperature than the black emitter.
  • the emissivity ⁇ indicates the ratio of the real emission value and that of the black emitter; it is between zero and one.
  • An infrared sensor receives not only the radiation emitted by an object surface but also reflected radiation from the environment and possibly through the infrared radiation transmitted to the body.
  • Bright non-metals, dark non-metals, plastics, ceramics, gypsum, wood, rubber, dark wood, rocks, dark paints and varnishes etc. have an emissivity of approx. 0.95 at wavelengths greater than 8 ⁇ m.
  • Most organic substances have an emissivity of about 0.95. Therefore, this value is fixed in many thermal imaging devices to avoid measurement errors due to incorrectly set emissivities.
  • a heat source For an accurate determination of the interior of garments, a heat source must be placed close to the object to be measured.
  • a rod can be introduced, which moves in one direction, and the shape of the interior, in particular the shoe shape adapts. This allows a constant temperature in the corresponding interior set.
  • Special thermal image sensors make the surfaces visible; By dissolving the data provided by the thermal imagers, areas can be determined and expansion measurements made.
  • the measuring objects are introduced into a box, for example made of glass, and the measurements are carried out therein. Due to the temperature differences thus achieved, the object limits for the evaluation can be displayed well.
  • FIG. 1 shows an inventive measuring tool (1) designed to measure the interior of a shoe (18).
  • the measuring tool (1) comprises a three-membered support element (2) which is subdivided into a first support body (9) and two further support bodies (10).
  • the first support body (9) corresponds to its shape largely the shape of the human tibia. Accordingly, the first of the two further supporting bodies (10) is largely adapted in shape to the human heel bone and metatarsus, while the second, further supporting body (10) embodies the toe links.
  • the support body (9, 10) are connected to each other via two hinged joints (11) made of spring steel sheet in the manner of a hinge joint, the degree of movement of the joints is the real physiological conditions of the human upper ankle and toe joints limited accordingly.
  • the surface of the first support body (9) adjacent to the first further support body (10) is formed with a convex rounding (19);
  • the first further supporting body (10) is formed with a concave recess (20).
  • the measuring tool (1) is further formed with a formula element (3) surrounding the support element (2).
  • the shaped element (3) is designed with a defined thickness such that the dimensioning of the measuring tool (1) of a human calf or a human heel, etc. largely corresponds.
  • an enveloping element (7) is arranged on the side facing away from the support element (2) of the formula element (3).
  • the cavity (8) is shown as a thin black line.
  • the cavity (8) after introduction of the heat-carrying medium to an enlargement, which completely fills the toe.
  • the shoe interior in its entirety can be measured accurately in a simple manner.
  • a first plane (21) of the measuring tool (1) is formed with an inlet opening (4) which leads into the supporting element (2) / forming element (3).
  • Adjoining the input opening (4) is a longitudinal bore (13) designed as a connecting passage (6, shown hatched in the connecting passage system), which is arranged centrally in the first supporting body (9) and which ends approximately 20 mm in front of the simulated joint ( 15).
  • the first support body (9) further has four outlet openings (5) in a second plane (22) of the measuring tool, which is connected via four perpendicular to the longitudinal bore (13) and perpendicular to each other transverse bores (14) with the input port (4) fluidly connected are.
  • four-layered measuring tool (1) comprising a support element (2), a form element (3), an enveloping element (7) and a cavity (8), both the input opening (4) and the four output openings (5) through the mold element (3).
  • the outlet openings (4) are fluidically connected to the cavity (8).
  • a clamping ring (17) is attached to the mold element (3) above the four outlet openings (5) in order to face the cavity (8) arranged between the mold element (3) and the casing element (7) to close the environment.
  • the clamping ring (17) is by means of a spring tension in the measuring device mounted so as to press a set on the base plate in the corresponding position shoe (18) with slight pressure on the base plate.
  • the clamping ring (17) has a quick release and can easily be preset to the different dimensions of the formula element (3) or in boots on different shank lengths.
  • heat-carrying medium preferably hot air
  • the medium introduction hose (16) at a constant temperature, for example of 30 ° C., which is advantageously above the ambient temperature
  • the introduced warm air stretches the enveloping element (7). until the wrapping element (7) can not expand further as a result of the limitation of the shoe interior through the shoe material, ie a defined pressure value is reached.
  • This pressure value can be determined and preset, for example, via a pressure sensor.
  • warm air can be introduced into the cavity (8) until the elastic properties of the covering element (7 ) conditional back pressure exceeds the inlet pressure.
  • a heating means arranged in the longitudinal bore (13) of the first support body (9) can also keep the temperature of the heat-carrying medium at a constant temperature over longer-term measurements.
  • the actual measurement is carried out by means of several thermal sensors.
  • a defined number of sensors detects the heat distribution in defined areas of the shoe.
  • the heat distribution is determined above the shoe, on its side, as well as on the bottom, the back and the front.
  • the heat sensors provide exact outlines of the actual interior of all measured objects; By means of the arithmetic unit, the thermal images are evaluated according to defined criteria.
  • FIG. 2 is a measuring tool (1) for measuring the interior of shoes in a relaxed position.
  • a measuring tool (1) for measuring the interior of shoes in a relaxed position.
  • an overstretched joint position of the upper ankle joint corresponding first joint connection (11) is important. This can be taken into account by the selection of suitable spring steel plates already during the production of the measuring tool (1).
  • FIG. 3 shows a measuring tool (1) for measuring the interior of shoes with medium heel height, with a comparison with the in FIG. 2 illustrated measuring tool (1) substantially reduced overstretching of the first hinge connection (11).
  • FIG. 4 shows a measuring tool (1) for measuring the interior of shoes without paragraph; Accordingly, an overstretching of the first articulated connection (11) takes place in comparison to that in FIG FIG. 2 shown measuring tool (1) in an opposite direction instead.
  • foot-shaped measuring devices (1) are basically produced in the smallest possible design.
  • a measuring device (1) with a length of a German size 35 is therefore used for the measurement of a shoe of a German size 36.
  • the situation is similar for the corresponding foot widths, shank widths and instep heights; the leg width refers to the maximum circumference of the calf, while the instep height is a measure of the curvature of the metatarsus in relation to the parts of the sole of the foot resting on the ground.
  • the measuring devices for women and men are manufactured with a very flat Rist height.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Claims (12)

  1. Outil de mesure (1) destiné à mesurer l'espace intérieur d'une pièce d'habillement, comprenant au moins un élément de soutien (2) intérieur,
    au moins une ouverture d'entrée (4) présentée dans un premier plan (21) de l'outil de mesure (1), menant à l'intérieur de l'élément de soutien (2), au moins une ouverture de sortie (5) présentée dans un deuxième plan (22) de l'outil de mesure (1), à la sortie de l'élément de soutien (2), ladite au moins une ouverture de sortie (5) étant reliée à ladite au moins une ouverture d'entrée (4) par au moins un passage (6),
    comprenant en outre au moins un élément d'enveloppe (7) entourant l'élément de soutien (2), et
    une cavité (8) présentée entre ledit au moins un élément de soutien (2) et ledit au moins un élément d'enveloppe (7), laquelle est en liaison fluidique avec ladite au moins une ouverture de sortie (5).
  2. Outil de mesure (1) selon la revendication 1, comprenant en outre au moins un élément de forme (3) présenté entre ledit au moins un élément de soutien (2) et ledit au moins un élément d'enveloppe,
    où ladite au moins une ouverture d'entrée (4) présentée dans le premier plan (21) de l'outil de mesure (1) mène dans l'élément de soutien (2) par l'élément de forme (3), et
    où ladite au moins une ouverture de sortie (5) présentée dans un deuxième plan (22) de l'outil de mesure (1) débouche de l'élément de soutien (2) par l'élément de forme (3).
  3. Outil de mesure (1) selon la revendication 2, où ledit au moins un élément de soutien (2) est constitué d'un premier corps de soutien (9) et d'au moins un autre corps de soutien (10), et où le premier corps de soutien (9) et ledit au moins un autre corps de soutien (10) sont reliés par une articulation (11).
  4. Outil de mesure selon la revendication 3, où l'articulation (11) est isolée thermiquement par une masse de moulage (12).
  5. Outil de mesure (1) selon l'une des revendications précédentes, où le passage (6) présente au moins un alésage longitudinal (13) à partir de l'ouverture d'entrée (4), sensiblement central dans l'outil de mesure (1), et où ladite au moins une ouverture de sortie est fluidiquement reliée à l'extrémité de l'alésage longitudinal (13) distante de l'ouverture d'entrée par au moins un alésage transversal (14) sensiblement perpendiculaire à l'alésage longitudinal (13).
  6. Outil de mesure (1) selon l'une des revendications précédentes, où un élément chauffant est disposé dans au moins un passage (6).
  7. Outil de mesure (1) selon l'une des revendications précédentes, où ledit au moins un élément de forme est en polymère résistant à la pression.
  8. Outil de mesure (1) selon l'une des revendications précédentes, où ledit au moins un élément d'enveloppe (7) est en polymère élastomère ayant un module d'élasticité compris entre 0,1 et 100 N/mm2, préférentiellement entre 0,3 et 30 N/mm2.
  9. Procédé de fabrication d'un outil de mesure (1), comprenant les étapes de
    (a) préparation d'au moins un élément de soutien (2)
    (b) d'application d'au moins un élément de forme (3) entourant l'élément de soutien (2) ;
    (c) de réalisation d'au moins une ouverture d'entrée (4) dans un premier plan (21) de l'outil de mesure (1), menant à l'intérieur de l'élément de soutien (2) et/ou de l'élément de forme (3) ;
    (d) de réalisation d'au moins une ouverture de sortie (5) dans un deuxième plan (22) de l'outil de mesure (1), débouchant de l'élément de soutien (2) et/ou de l'élément de forme (3) ;
    (e) réalisation d'au moins un passage (6) de liaison entre ladite au moins une ouverture d'entrée (4) et ladite au moins une ouverture de sortie (5) ;
    (f) application d'au moins un élément d'enveloppe (7) sur un côté dudit au moins un élément de forme (3) distant dudit au moins un élément de soutien (2).
  10. Procédé de fabrication de l'outil de mesure (1) selon la revendication 9, où le passage (6) partant de ladite au moins une ouverture d'entrée (4) est réalisé sous la forme d'un alésage longitudinal (13) sensiblement central, et où le passage (6) partant de ladite au moins une ouverture de sortie (5) est réalisé à l'extrémité (15) de l'alésage longitudinal (13) distante de l'ouverture d'entrée (4) sous la forme d'au moins un alésage transversal (14) sensiblement perpendiculaire à l'alésage longitudinal (13).
  11. Procédé de mesure de l'espace intérieur d'une chaussure, comprenant les étapes de
    (a) préparation de l'outil de mesure (1) selon la revendication 1 ;
    (b) fixation de la chaussure à mesurer sur une plaque de base d'un dispositif de mesure ;
    (c) insertion de l'outil de mesure (1) dans la chaussure à mesurer (18) ;
    (d) fixation d'un tuyau de refoulement de fluide (16) sur ladite au moins une ouverture d'entrée (4) ;
    (e) fixation d'une bague de serrage (17) sur l'outil de mesure (1), de sorte que ladite bague de serrage (17) soit présentée à proximité de ladite au moins une ouverture de sortie (5) ;
    (f) refoulement d'un fluide caloporteur dans la cavité (8) par l'ouverture d'entrée (4) ;
    (g) détection du fluide caloporteur au moyen d'au moins d'un capteur thermique ;
    (h) enregistrement d'une pluralité d'images thermiques ;
    (i) évaluation des enregistrements par un programme d'analyse sur une unité de calcul.
  12. Procédé de mesure de l'espace intérieur d'une chaussure selon la revendication 11, comprenant en outre l'étape de
    chauffage du fluide caloporteur dans le passage par un moyen de chauffage.
EP15733639.7A 2014-06-12 2015-06-09 Outil de mesure Active EP3154388B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014108302.4A DE102014108302B4 (de) 2014-06-12 2014-06-12 Messwerkzeug und Verfahren zur Vermessung des Innenraums eines Schuhs
PCT/EP2015/062862 WO2015189222A2 (fr) 2014-06-12 2015-06-09 Outil de mesure

Publications (2)

Publication Number Publication Date
EP3154388A2 EP3154388A2 (fr) 2017-04-19
EP3154388B1 true EP3154388B1 (fr) 2019-08-07

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Application Number Title Priority Date Filing Date
EP15733639.7A Active EP3154388B1 (fr) 2014-06-12 2015-06-09 Outil de mesure

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EP (1) EP3154388B1 (fr)
DE (1) DE102014108302B4 (fr)
WO (1) WO2015189222A2 (fr)

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Publication number Priority date Publication date Assignee Title
IT201700085232A1 (it) * 2017-07-26 2019-01-26 Inova Lab S R L Metodo per il rilevamento di corpi metallici all’interno di una calzatura o di una parte di calzatura, apparecchiatura ed impianto per attuare tale metodo

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US2538247A (en) * 1948-08-10 1951-01-16 Holt Francis Jaime Wormald Tree or stretcher for shoes
US5956525A (en) 1997-08-11 1999-09-21 Minsky; Jacob Method of measuring body measurements for custom apparel manufacturing
US6192593B1 (en) 1998-09-02 2001-02-27 Nike International Ltd. Internal shoe sizing apparatus and method for sizing shoes
DE10156908A1 (de) 2001-11-21 2003-05-28 Corpus E Ag Kostengünstige Erfassung der Raumform von Körpern
DE10216475B4 (de) 2002-04-12 2015-03-26 Corpus.E Ag Optische Erfassung der Raumform von Innenräumen
US6975232B1 (en) 2003-03-10 2005-12-13 Mckenna Lou Apparatus and method for “seeing” foot inside of shoe to determine the proper fit of the shoe
ITMI20040620A1 (it) * 2004-03-30 2004-06-30 Lombardo Rossetta Metodo e dispositivo per ispezionare l'interno di una calzatura
US6971135B2 (en) * 2004-04-28 2005-12-06 World Packaging Inc. Inflatable stuffing for footwear
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DE102004045858A1 (de) 2004-09-20 2006-04-06 Christian Mang Vorrichtung zum Vermessen des Innenraums eines Schuhs
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DE102007032609A1 (de) 2007-07-11 2009-03-05 Corpus.E Ag Kostengünstige Erfassung der inneren Raumform von Fußbekleidung und Körpern
US8578534B2 (en) * 2009-06-24 2013-11-12 Nike, Inc. Inflatable member
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Publication number Publication date
DE102014108302A1 (de) 2015-12-17
WO2015189222A2 (fr) 2015-12-17
DE102014108302B4 (de) 2017-10-19
EP3154388A2 (fr) 2017-04-19
WO2015189222A3 (fr) 2016-02-04

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