Abstract: A method for manufacturing a mold for forming three-dimensional embossments on a surface of a shoe part, comprising: making a high-resolution template with a texture structure; using the high-resolution template to make a high-resolution pattern mold, forming a boundary wall inside the mold through the texture structure; defining, by the boundary wall, different regions provided for being filled with polyurethane compositions of different colors.

Abstract: A computer-controlled sewing machine positioning system integrated with a processing device (50), and positioning method thereof, fixedly disposing at least one processing device (50) at one side of the sewing head (41) of a computer-controlled sewing machine (40); movement of the processing device (50) is controlled by a processing program of the computer-controlled sewing machine (40); a relative distance is provided between the processing head (51) of the processing device (50) and the sewing head (41) to give the movement range of a conveying mechanism (20) to extend to covered positions below the sewing head (41) and the processing head (51), such that a fixing mechanism (30) is moved and feeds below the sewing head (41) and the processing head (51); and presetting a positioning distance between two positioning parts (33, 34) of the fixing mechanism (30) and the relative distances in the processing program, thus automatically determining the feed distance of the fixing mechanism (30) between the sewing h

Abstract: Disclosed is a vamp 3D-printing system. Mainly, by using a 3D-printing device comprising at least one fixed printing head and a rotatable printing head, printable materials are overlapped and printed on a vamp assembly by means of cooperation of the fixed printing head and the rotatable printing head according to a preset printing program of a computer. In this way, the technical effects are achieved that vamp pattern styles having thick and thin line changes and high precision of printing positions are printed by using more two printing heads; in addition, manufacturing costs are actually reduced and manufacturing procedures are actually simplified by applying the 3D-printing technology to printing of vamp pattern styles.

Abstract: Provided are an automatic spray system for a shoe sole adhesive and a spray method therefor, wherein a spray gun and a coating tool are provided at the end of a mechanical arm, enabled to be located in an adhesive spray path, and respectively arranged at the inner and outer sides of a contour side line of the top face of a shoe sole, and by cooperating with the scan information of the top face of the shoe sole and the position information of the shoe sole read by a computer, the adhesive spray region of the spray gun slightly exceeds the contour side line of the top face of the shoe sole and overlaps with a cementing region at the top face of the shoe sole such that a large part of the adhesive is sprayed onto the cementing region, and a small part of the adhesive exceeding the contour side line is blocked and adsorbed by the coating tool, whereby the technical effects of automatically and accurately cementing the shoe sole, preventing the adhesive from overflowing and staining the shoe sole appearance, incre

Abstract: A three-dimensional measurement (C) system for a marked line for adhering a sole (A) to an upper (B) and a three-dimensional measurement method therefor. A three-dimensional structure of a sole inner surface (A1) is measured automatically using a three-dimensional scanner (30), so as to form three-dimensional inner surface data (201) of the sole (A); and by conducting operation processing on the three-dimensional inner surface data (201) of the sole (A) and three-dimensional surface data (202) of the upper (B), a contour line (A2) of the sole inner surface (A1) is transferred to an upper lower surface (B1), so as to form a processing marked line of the upper (B), thereby improving the operation efficiency of adhering the sole (A) to the upper (B).

Abstract: A computer-controlled sewing machine positioning system integrated with a processing device (50), and positioning method thereof, fixedly disposing at least one processing device (50) at one side of the sewing head (41) of a computer-controlled sewing machine (40); movement of the processing device (50) is controlled by a processing program of the computer-controlled sewing machine (40); a relative distance is provided between the processing head (51) of the processing device (50) and the sewing head (41) to give the movement range of a conveying mechanism (20) to extend to covered positions below the sewing head (41) and the processing head (51), such that a fixing mechanism (30) is moved and feeds below the sewing head (41) and the processing head (51); and presetting a positioning distance between two positioning parts (33, 34) of the fixing mechanism (30) and the relative distances in the processing program, thus automatically determining the feed distance of the fixing mechanism (30) between the sewing h

Abstract: A sewing direction control apparatus for sewing machine, comprising: a base plate, a circular ring-shaped transmission element dispose on the base plate and a driving element with a driving unit. During sewing, the driving unit drives the transmission element, rotating a sewing product placed at the center of the transmission element with the driving element, thereby controlling the sewing direction of the sewing product, and thus improving the sewing accuracy. The direction control apparatus has low cost, and is suitable for various types of automatic sewing machines.

Abstract: A sewing direction control apparatus for sewing machine, comprising: a base plate, a circular ring-shaped transmission element dispose on the base plate and a driving element with a driving unit. During sewing, the driving unit drives the transmission element, rotating a sewing product placed at the center of the transmission element with the driving element, thereby controlling the sewing direction of the sewing product, and thus improving the sewing accuracy. The direction control apparatus has low cost, and is suitable for various types of automatic sewing machines.

Abstract: A method for applying hot melt adhesive powder onto a sole or shoe part includes the steps of applying a cleaning agent, irradiating, applying a conductive liquid which has a conductivity at least 100 times higher than purified water which has a conductivity of 5.5·10?6 S/m, spraying hot melt adhesive powder; and heating. The method can save energy, reduce the working space, reduce the labor intensity and improve the working environment by continuously carrying out the spraying and the melting operation of the hot melt adhesive.

Abstract: A method for applying hot melt adhesive powder onto a sole or shoe part includes the steps of applying a cleaning agent, irradiating, applying a conductive liquid which has a conductivity at least 100 times higher than purified water which has a conductivity of 5.5.10?6 S/m, spraying hot melt adhesive powder; and heating. The method can save energy, reduce the working space, reduce the labor intensity and improve the working environment by making the spraying and the melting operation of the hot melt adhesive carry out automatically.

Abstract: A sewing direction control apparatus for sewing machine, comprising: a base plate (10), a circular ring-shaped transmission element (20) dispose on the base plate (10) and a driving element (50) with a driving unit (52). During sewing, the driving unit (52) drives the transmission element (20), rotating a sewing product (A) placed at the center of the transmission element (20) with the driving element (52), thereby controlling the sewing direction of the sewing product (A), and thus improving the sewing accuracy. The direction control apparatus has low cost, and is suitable for various types of automatic sewing machines.

Abstract: A system for applying hot melt adhesive powder onto a non-metallic object surface comprises a convey belt, a radiation chamber, a spraying chamber and a heating chamber. The convey belt is used to deliver a non-metallic object treated by a cleaning agent and a conductive liquid through the radiation chamber where the surface of the non-metallic objected is irradiated by ultraviolet rays and ozone and then through the spraying chamber where the surface of the non-metallic object is sprayed with charged hot melt adhesive powder, and finally into the heating chamber where the hot melt adhesive powder attached onto the non-metallic object will be melted into a liquid adhesive film ready to be bonded.

Abstract: A method for applying hot melt adhesive powder onto a sole or shoe part includes the steps of applying a cleaning agent, irradiating, applying a conductive liquid which has a conductivity at least 100 times higher than water, spraying hot melt adhesive powder; and heating. The method can save energy, reduce the working space, reduce the labor intensity and improve the working environment by making the spraying and the melting operation of the hot melt adhesive carry out automatically.

Abstract: A system for applying hot melt adhesive powder onto a non-metallic object surface comprises a convey belt, a radiation chamber, a spraying chamber and a heating chamber. The convey belt is used to deliver a non-metallic object treated by a cleaning agent and a conductive liquid through the radiation chamber where the surface of the non-metallic objected is radiated by ultraviolet rays and ozone and then through the spraying chamber where the surface of the non-metallic object is sprayed with charged hot melt adhesive powder, and finally into the heating chamber where the hot melt adhesive powder attached onto the non-metallic object will be melted into a liquid adhesive film ready to be bonded.

Abstract: A method for applying hot melt adhesive powder onto a non-metallic object surface comprises the steps of applying a cleaning agent, applying a conductive liquid, radiating, spraying hot melt adhesive powder; and heating. A system for applying hot melt adhesive powder onto a non-metallic object surface comprises a convey belt, a radiation chamber, a spraying chamber and a heating chamber. The convey belt is used to deliver a non-metallic object treated by a cleaning agent and a conductive liquid through the radiation chamber where the surface of the non-metallic objected is radiated by ultraviolet rays and ozone and then through the spraying chamber where the surface of the non-metallic object is sprayed with charged hot melt adhesive powder, and finally into the heating chamber where the hot melt adhesive powder attached onto the non-metallic object will be melted into a liquid adhesive film ready to be bonded.

Abstract: A method for producing a custom insole for a foot of a user, the method including the steps of providing a preformed insole precursor, the precursor being constructed of a solid material which is storable in an undeformed state and which is compressible to a deformed configuration under pressure substantially at room temperature and which retains the deformed configuration after removal of the pressure, and pressing the foot on the insole precursor, thereby compressing the insole precursor and forming an insole with a configuration in accordance with the configuration of the foot.

Abstract: A device, preferably of disc configuration, capable of being fastened to a bobbin-less coil of thread for indicating the non-rotation of the coil during a sewing operation. One side of the device includes indicating means enabling the optical detection of the rotation of the device. The opposite side of the device includes fastening means, such as pins or adhesive, for fastening the device to a coil of thread, the fastening means being capable of disengaging from the coil when a predetermined length of thread remains therein.

Abstract: A sewing system which includes a workholder arranged to hold a part to be sewn; one or more video cameras, such as C.C.D cameras, mounted above the workholder in such a manner that the area of the workholder is totally covered by the combined fields of view of all mounted cameras; a plurality of illuminating lights mounted above and around the table so that illumination can be applied on the part to be sewn by any desired combination of these lights; a frame grabber coupled to one or more cameras and arranged to receive images therefrom and to combine the images into one virtual macro picture; a microcomputer arranged to receive the macro picture from the frame grabber, analyze the macro picture and measure the location of all the edges of the part and its location on the workholder; and a man-machine interface for inputting sewing parameters, such as stitch size, distance from the edge and number of back-tachs, and to generate therefrom a sewing program for sewing the part along its edges.

Abstract: Sewing apparatus comprises a sewing needle, a bobbin for feeding thread to the sewing needle, a rotary housing containing the bobbin and its case a sensor for sensing the non-feeding of thread to the sewing needle; an extraction-reloading device automatically effective, upon sensing the non-feeding of the thread to the sewing needle, for first extracting the bobbin and its case from the rotary housing, then extracting the bobbin from its case, then reloading the case with another bobbin having a supply of thread thereon and then returning the case with its reloaded bobbin into the rotary housing.

Abstract: A sewing machine bobbin comprises an end wall having an outer face formed with a plurality of radially-extending strips of an optically-sensible material radiating from its center, providing sensible markings enabling the optical detection of the non-rotation of the bobbin during a sewing operation indicating a break in, or the exhaustion of, the thread wound on the bobbin.