Patent classifications
B29L2021/00
RESIN SHEET HAVING HAIR-LIKE BODIES AND MOLDED ARTICLE THEREOF
A resin sheet having: a surface layer having hair-like bodies arranged regularly on one surface thereof; and a second layer directly laminated to a surface opposite that of the hair-like bodies of the surface layer, the surface layer comprising a thermoplastic polyurethane resin and the second layer comprising a polymer alloy resin of a polycarbonate-based resin and a polyester-based and resin.
Thermoformed part comprising a detachable part and a process for manufacturing such a part
The invention relates to a workpiece having a shape produced by thermoforming from at least one sheet (3) of plastic material, such as polycarbonate, and at least one applied element (6, 8; 7, 9) that is applied to the at least one sheet and secured there, characterised in that the securing of the at least one applied element to the at least one sheet takes place at least partially by means of crimping.
A THERMOFORMED PART COMPRISING A DETACHABLE PART AND A PROCESS FOR MANUFACTURING SUCH A PART
The invention relates to a workpiece having a shape produced by thermoforming from at least one sheet (3) of plastic material, such as polycarbonate, and at least one applied element (6, 8; 7, 9) that is applied to the at least one sheet and secured there, characterised in that the securing of the at least one applied element to the at least one sheet takes place at least partially by means of crimping.
Hair brush
One aspect of the present invention is concerned with a method of manufacture of a hair brush. The method has the steps of providing a base member having connection means at circumferential region thereof, providing a sheet material having a plurality of spikes extending from outwardly facing surface of the sheet material, the sheet material and the spikes are integrally formed by injection molding of a plastic(s) material selected from the group consisting of thermoplastics polyester elastomer (TPE-E), polyether block amide copolymer (TPE-A), thermoplastic polyurethane (TPU) and polyurethane (PU), with a hardness from substantially Shore D50 to D65, and with a flexural modulus from 30,000 PSI to 40,000 PSI, assembling the sheet material by fitting perimeter thereof to the circumferential region of the base member, the base member and the connection means are configured to allow the sheet material to secure to the base member. The outwardly facing surface assumes a convex curvature. In an assembled configuration, a cavity is defined between the sheet material and the base member. In use, when the spikes are under pressure the spikes are movable in response to the pressure, causing corresponding movement to the sheet material, the movement creating a cushioning effect.
EXTRUDER FEEDING ASSEMBLY AND EXTRUDER APPARATUS INCORPORATING IT
Disclosed is an extruding apparatus and relative feeding assembly, including hopper unit in correspondence of an extruder-feeding area, wherein an extrusion screw having a first rotation axis and a drive roller having a second rotation axis are arranged at a distance each other so that a gap for raw material feeding is defined between the screw and the drive roller, wherein the drive roller has a substantially conical surface with respect to its own rotation axis, the conical surface having a taper vertex facing toward a progression direction of the extrusion screw.
Method for producing a clamping member of a hair clip, the clamping member, and a hair clip including two clamping members
A method for producing a clamping member of a hair clip includes filling a plastic material into a cavity defined by a fixed mold and a movable mold, forming a clamping member. The plastic material in rectilinear passages and grooves in the movable mold form teeth on a clamping portion of the clamping member. Then, the movable mold disengages from the fixed mold with the clamping member remaining on the movable mold. Next, the clamping member is moved away from the movable mold by a distance. The plastic material in each groove becomes an elongated section. Before the plastic material completely cures, the clamping member completely disengages from the movable mold. The elongated section of each tooth bends downwards due to gravitational force and completely cures to form a hooked section. The remaining portion of each tooth forms a rectilinear section interconnected between the hooked section and the clamping portion.
METHOD FOR PRODUCING A CLAMPING MEMBER OF A HAIR CLIP, THE CLAMPING MEMBER, AND A HAIR CLIP INCLUDING TWO CLAMPING MEMBERS
A method for producing a clamping member of a hair clip includes filling a plastic material into a cavity defined by a fixed mold and a movable mold, forming a clamping member. The plastic material in rectilinear passages and grooves in the movable mold form teeth on a clamping portion of the clamping member. Then, the movable mold disengages from the fixed mold with the clamping member remaining on the movable mold. Next, the clamping member is moved away from the movable mold by a distance. The plastic material in each groove becomes an elongated section. Before the plastic material completely cures, the clamping member completely disengages from the movable mold. The elongated section of each tooth bends downwards due to gravitational force and completely cures to form a hooked section. The remaining portion of each tooth forms a rectilinear section interconnected between the hooked section and the clamping portion.
COSMETIC APPLICATORS AND METHODS OF MANUFACTURE
A molded plastic applicator for cosmetics, such as a mascara brush, including an integral molded plastic panel that lies substantially in a mold plane when formed and is bent out of the mold plane to surround an extended longitudinal axis when the applicator is assembled. A plurality of openings, or projections such as bristles, are formed in or on the panel so as to be oriented substantially in a common pull direction transverse to the mold plane when the panel lies in the mold plane and to be oriented substantially radially of the longitudinal axis in directions distributed around the axis when the panel is bent to surround the axis. A retainer holds the panel bent out of the plane in surrounding relation to the axis. The panel may be formed as a plurality of free-ended limbs, radiating from a hub through which the longitudinal axis extends, and bent down around the axis; alternatively, it may be generally rectangular as formed, and bent into a cylinder about the axis, or it may be formed as a band that is wound helically about the axis. A method of making the applicator includes steps of molding the panel, bending the panel about the axis, and retaining the panel in the bent configuration.