A three-dimensional mapping machine for leather or similar material covered objects comprises a support defining a working volume for housing an object and scanning means connected to the support and suitable to define a line of sight towards an area to be mapped onto the object itself; the mapping machine further comprises dynamic variation means of the arrangement and/or the relative position between the covered object to be mapped and the scanning means.
G01B 21/20 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des contours ou des courbes, p.ex. pour déterminer un profil
G01B 11/24 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes
2.
MAPPING AND/OR MEASURING STATION OF THICKNESS OF LEATHER REMNANTS
A mapping and measuring station of thickness of leather remnants comprises a base body adapted to receive a remnant in movement along an advancement direction, and measuring means connected to the base body and adapted to perform localized measurements of height and/or thickness of the remnant; the measurement means comprise touch sensors operatively active on the remnant in operating conditions of the station.
C14B 5/00 - Découpage à l'emporte-pièce, perforation ou coupage du cuir
G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
G01B 7/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
3.
DEVICE FOR DETECTION, MARKING AND CUTTING OF LEATHER
The object of this invention is an apparatus (1) for detecting defects in at least one portion of leather, and for cutting the portion, that permits to perform faster and more efficiently than with currently known systems the operations of dilating, moving and cutting said at least one portion of leather, by supporting the leather on a curved surface that is extendible and rotatable around an axis in a monitored zone by suitable display means.
C14B 17/00 - TRAITEMENTS OU TRANSFORMATIONS MÉCANIQUES DES PEAUX OU DU CUIR EN GÉNÉRAL; TONDEUSES POUR FOURRURES; MACHINES À REFENDRE LES BOYAUX - Parties constitutives des appareils ou machines pour la fabrication ou le traitement des peaux, du cuir ou des fourrures
C14B 5/00 - Découpage à l'emporte-pièce, perforation ou coupage du cuir
Machines for footwear and objects of leather, including machines for assembling footwear (machines for moulding of uppers, machines for fitting of heels) and machines for treatment of leather (splitting machines, skiving machines); Skinning machines; Roller machines for ironing; Calendering machines; Leather working machines in general; Machines for sewing and stitching; Parts of machines for moulding uppers; Machines and instruments for repairing shoes; Sewing machines; Machines for surface finishing, embossing, carving, edging and polishing of leather; Motors and engines and couplings for machines (except for land vehicles).
5.
MACHINE FOR AUTOMATIC DETECTION OF FLAWS ON PIECES MADE OF LEATHER OR SIMILAR MATERIAL
A machine for automatic detection of flaws on pieces made of leather or similar material comprises a support element adapted to receive at least one piece of leather, scanning means adapted to detect an image of a first face of the piece and to convert it into an analysable signal, and processing means adapted to process the analysable signal and to identify at least one anomaly that can be correlated with a portion of the first face of the piece; the machine further comprises supporting and centring means to be activated on a second face of the piece, opposite to the first face, and adapted to determine localised tensioning of the piece at least at a scanning line optically aligned with the scanning means.
A splitting machine comprises a blade (2) adapted to divide a leather piece (P) in the thickness direction and actuating means (3) to be activated on the leather piece to push it towards the blade,- the machine further comprises high-frequency vibration-inducing means to be activated on the blade and/or the actuating means and adapted to generate vibrations and/or oscillations and/or deformations of the blade and/or the actuating means at a frequency higher than or equal to 20,000 hertz.
C14B 1/16 - Echarnage, épilage, cœursage, étendage, tracement, rasage, refendage des peaux ou du cuir au moyen d'outils coupant la peau disposés dans un plan substantiellement parallèle à sa surface au moyen de couteaux fixes, ou animés d'un mouvement de va-et-vient, ou oscillants
C14B 1/18 - Echarnage, épilage, cœursage, étendage, tracement, rasage, refendage des peaux ou du cuir au moyen d'outils coupant la peau disposés dans un plan substantiellement parallèle à sa surface au moyen de lames à ruban
7.
COOLING DEVICE FOR LEATHER- SPLITTING MACHINES AND LEATHER- SPLITTING MACHINE PROVIDED WITH SUCH A DEVICE
A splitting machine comprises a cutting station provided with a thickness ruler and a movable blade, blade guides active at least on the movable blade and support means for the fixed or movable blades and the blade guides; the machine further comprises cooling means to carry out cooling by heat conduction, which is operatively associated with the thickness ruler and/or the movable blade and/or the guides and/or the support means.
C14B 1/14 - Echarnage, épilage, cœursage, étendage, tracement, rasage, refendage des peaux ou du cuir au moyen d'outils coupant la peau disposés dans un plan substantiellement parallèle à sa surface
C14B 1/18 - Echarnage, épilage, cœursage, étendage, tracement, rasage, refendage des peaux ou du cuir au moyen d'outils coupant la peau disposés dans un plan substantiellement parallèle à sa surface au moyen de lames à ruban
C14B 17/14 - Dispositifs auxiliaires pour machines à travailler le cuir, p.ex. dispositifs d'aiguisage des lames de cylindres ou dispositifs dépoussièreurs combinés avec les machines
A cowling for leather-splitting machines comprises a given number of panels (9) to be positioned at respective functional sub-units of a splitting machine (M) and it further comprises an unloading surface (3) to be positioned close to a cutting station (T) of the splitting machine and defining an inclined surface.
A method of constructing parts of leather-splitting machines comprises a step of preparing a piece of a splitting machine and a step in which said piece is submitted to heat-treatment; the heat-treatment includes a sub-step of submitting the piece to cryogenic cooling.
C21D 6/04 - Durcissement par refroidissement au-dessous de 0° C
C21D 9/00 - Traitement thermique, p.ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliers; Fours à cet effet
C21D 9/18 - Traitement thermique, p.ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliers; Fours à cet effet pour couteaux, faux, ciseaux ou autres outils à couper à main similaires
C14B 1/00 - Fabrication du cuir; Machines ou dispositifs à cet effet
Machines for footwear and leather goods factories in
particular machines for shoe assembling (heel seat lasting
machines) and for the leather treatment department
(splitting machines, skiving machines).