A molding apparatus defining a processing direction includes multiple molding modules spaced apart in a lateral direction perpendicular to the processing direction and a common reaction surface. Each molding module includes a frame and a mold roll that defines molding cavities. Each mold roll defines a respective pressure zone in cooperation with the reaction surface and each mold roll is movable with respect to the reaction surface by controlled operation of the frame. Molten resin is introduced into the pressure zones and forced into the molding cavities to form arrays of fastener elements extending from base layers of resin formed on the surfaces of the mold rolls. The fastener elements are withdrawn from the cavities while stripping the base layers from the peripheral surfaces.

A molding apparatus defining a processing direction includes multiple molding modules spaced apart in a lateral direction perpendicular to the processing direction and a common reaction surface. Each molding module includes a frame and a mold roll that defines molding cavities. Each mold roll defines a respective pressure zone in cooperation with the reaction surface and each mold roll is movable with respect to the reaction surface by controlled operation of the frame. Molten resin is introduced into the pressure zones and forced into the molding cavities to form arrays of fastener elements extending from base layers of resin formed on the surfaces of the mold rolls. The fastener elements are withdrawn from the cavities while stripping the base layers from the peripheral surfaces.

The invention relates to a method and facility for manufacturing a tape of reinforcement filaments impregnated by a polymer matrix, said tape having a constant width across the entire length thereof, wherein the filaments extend in a direction parallel to the length of the tape, from a strand of filaments coming from a feeding reel, the method including steps and units that make it possible to manage the unwinding tension of the strand, to guide the strand on the axis of the machine, to manage the width of the strand, to deposit the polymer on the strand by electrostatic powdering, with a polymer weight ratio of around 20% to around 75% to melt the polymer, to calibrate the width and thickness of the tape and to collect the tape on the storage reel.

The present invention belongs to the technical field of control for rolling mill vibration, and particularly relates to a control device, system and method for vertical-horizontal coupling vibration of a corrugated rolling mill. The control device includes a housing; a vibration-absorbing container is arranged in the housing; a steel ball particle group is placed in the vibration-absorbing container; a left side of the vibration-absorbing container is connected with one end of a return spring; the other end of the return spring is fixedly connected with a third base; the third base is fixedly mounted on a third sliding block; and the third sliding block is slidably arranged on a third linear guide rail.

The invention relates to a process to make films and tapes from ultrahigh molecular weight polyethylene (UHMWPE) in the solid state. The films and tapes according to the invention have an improved thickness whereby the coefficient of variation of the thickness of the film of at most 6%.

The present invention relates to a dough processing device, for use on a dough line, comprising dough processing means, such as a flour dispenser, a roller, a cutter, a folding shoe, for processing the dough on a conveyor; arranged in a frame, arranged for being placed as a bridge over a dough conveyor and thereto having supports at opposite ends; provided with fastening means, for fastening the supports on either side to a dough conveyor housing; wherein at least one support is provided with transport means, for transporting the dough processing device directly over a conveyor while supporting the dough processing device on said conveyor. The invention further relates to a dough processing line comprising such a dough processing device.

Method for regulating an extrusion device for the manufacture of a continuous strip of profiled product (P) made of an elastomeric compound, comprising a screw rotationally driven in a fixed barrel the outlet of which comprises an extrusion die and at least one rotationally driven cylindrical roller, the rotational speed of the screw (.sub.screw) being directly connected to the rotational speed of the roller (.sub.roller) by a proportionality coefficient, including: for a given elastomeric compound and a given profiled product (P), determining a setpoint value Ks of the proportionality coefficient, measuring the thickness (e) of the profiled product (P) leaving the extrusion die at each instant and correcting the value of the proportionality coefficient to Ks, correcting the rotational speed of the screw taking account of the corrected value Ks of the proportionality coefficient, such that .sub.screw=Ks*.sub.roller The roller speed is adjusted as a function of the corrected value Ks of the proportionality coefficient.

A linear actuator leverage assembly including a base with a side surface and a back surface defining between them a corner, a rail member coupled to the base, a lever arm with a bearing surface, and a linear actuator. The lever arm is pivotally connected to the rail member at a first pivot and to the linear actuator at a second pivot. The linear actuator is configured to move the rail member with respect to the base over a linear stroke of the linear actuator that moves the second pivot of the lever arm along a continuous motion path. The motion path includes a first path segment generally parallel to the side surface and a second path segment, over which the lever arm pivots about the bearing surface as a fulcrum, thereby increasing leverage applied by the actuator to the rail.

A molding apparatus defining a processing direction includes multiple molding modules spaced apart in a lateral direction perpendicular to the processing direction and a common reaction surface. Each molding module includes a frame and a mold roll that defines molding cavities. Each mold roll defines a respective pressure zone in cooperation with the reaction surface and each mold roll is movable with respect to the reaction surface by controlled operation of the frame. Molten resin is introduced into the pressure zones and forced into the molding cavities to form arrays of fastener elements extending from base layers of resin formed on the surfaces of the mold rolls. The fastener elements are withdrawn from the cavities while stripping the base layers from the peripheral surfaces.

Discrete male touch fastener elements are molded of thermoplastic resin extending from a common, flexible base sheet, by introducing molten resin to a molding nip between two counter-rotating rolls consisting of a mold roll and a pressure roll arranged such that their rotation axes are parallel and together define a common plane containing each of the rotation axes. Solidified resin is stripped from molding cavities of the mold roll after the cavities have passed a rotating reaction roll forming a pressure nip with the mold roll. The reaction roll is spaced from the pressure roll by a distance less than an outer diameter of the mold roll, and the mold roll is simultaneously held against both the pressure roll and the reaction roll in a non-planar roll stack.