B29C47/86

SILICONE OPTICS

Silicone-containing light fixture optics. A method for manufacturing an optical component may include mixing two precursors of silicone, opening a first gate of an optic forming device, moving the silicone mixture from the extrusion machine into the optic forming device, cooling the silicone mixture as it enters the optic forming device, filling a mold within the optic forming device with the silicone mixture, closing the first gate, and heating the silicone mixture in the mold to at least partially cure the silicone. Alternatively, a method for manufacturing an optical component may include depositing a layer of heat cured silicone optical material to an optical structure, arranging one or more at least partially cured silicone optics on the layer of heat cured silicone optical material, and heating the heat cured silicone optical material to permanently adhere the one or more at least partially cured silicone optics to the optical structure.

Carbon fiber-reinforced plastic material with nanofiller mixed therein, and manufacturing method thereof

Provided is a carbon fiber reinforced plastic material having excellent rigidity, flexibility and improved heat resistance and a method of manufacturing the same. The present invention provides a carbon fiber reinforced plastic material containing 2 parts by mass or more and 30 parts by mass or less of a nanofiller with respect to a total of 100 parts by mass of 30 parts by mass or more and 90 parts by mass or less of a polymer material and 70 parts by mass or more and 10 parts by mass or less of carbon fibers, an average aspect ratio (length/width) of the nanofiller being 20 or more. The average aspect ratio (length/width) of the nanofiller may also be 50 or more.

Die assembly with cooled die land

A die assembly (10) for extruding a polymeric coating onto a wire so as to impart a matte finish to the coating surface is provided. The die assembly (10) comprises: A) a die tip (13) comprising a tubular channel (22) through which a wire can pass, the channel (22) positioned along the central longitudinal axis (26) of the die assembly (10); B) a die body (12) comprising a trunk (15) and a head (16), the head (16) comprising a tubular channel (20), the head tubular channel (20) comprising a die land (21), the trunk (15) positioned about the die tip (13) so as to define an annular space (25) between the exterior surface (23) of the die tip (13) and the interior surface (24) of the trunk (15); C) a die holder (11) positioned about and in contact with the exterior surface (17) of the trunk (15); and D) a radiator (14) positioned about and in contact with the exterior surface (19) of the die land (21) of the die head (16).

Medical device balloons with improved strength properties and processes for producing same

A tubular parison for forming a medical device balloon. The parison is formed of a polymeric material, for instance a thermoplastic elastomer. The parison has an elongation at break which is not more than 80% of the elongation of the bulk polymeric material. The elongation of the parison is controlled by altering extrusion conditions. Balloons prepared from the parisons provide higher wall strength and/or higher inflation durability than balloons prepared from conventional parisons of the same material.

Waste processing apparatus and method
09956736 · 2018-05-01 · ·

The present invention relates to an apparatus and method for processing of waste and in particular processing involving a volumetric reduction of waste materials. There is an apparatus for processing waste material comprising a compaction compartment for receipt of waste material, the compaction compartment have a screw vane for processing waste material through the compaction compartment and a waste material outlet. In one aspect the apparatus comprises a heating zone including an arrangement for heating the waste material received from the waste outlet, the apparatus further comprising a cooling zone including a cooling arrangement for cooling the waste material received from the heating zone. In another aspect, at least one of the screw vane or wall comprises one or more ports therein for transfer of liquid from the waste material, the one or more ports having a port inlet and a port outlet, wherein the area of the opening defined by the port inlet is different to the area of the opening defined by the port outlet. In a further aspect, a heating zone for receiving waste material from the waste material outlet is provided where the heating zone includes an arrangement for heating the waste material in the heating zone, and a blocking element for impeding movement of waste material from the heating zone.

METHOD OF OPERATING EXTRUDER HEADS IN THREE-DIMENSIONAL OBJECT PRINTERS
20180111336 · 2018-04-26 ·

An apparatus changes the temperature of thermoplastic material in an extruder head to reduce the time for producing an object. The apparatus includes a cooling device located near the one or more nozzles of the extruder head to change the temperature of the thermoplastic material extruded by the extruder head. The apparatus cools the thermoplastic material to enhance the formation of exterior object features. A heater can also be positioned near the nozzle zone to heat the thermoplastic material to reduce the time for raising the viscosity of the thermoplastic material for forming interior regions of the object.

Extruded deposition of fiber reinforced polymers

A fiber reinforced polymer part is fabricated by rastering a deposition head over a substrate, and additively forming part features by extruding a polymer having an entrained continuous reinforcement from the deposition head onto a substrate.

MEDICAL DEVICE BALLOONS WITH IMPROVED STRENGTH PROPERTIES AND PROCESSES FOR PRODUCING SAME

A tubular parison for forming a medical device balloon. The parison is formed of a polymeric material, for instance a thermoplastic elastomer. The parison has an elongation at break which is not more than 80% of the elongation of the bulk polymeric material. The elongation of the parison is controlled by altering extrusion conditions. Balloons prepared from the parisons provide higher wall strength and/or higher inflation durability than balloons prepared from conventional parisons of the same material.

AUTOMATIC PROCESS CONTROL OF ADDITIVE MANUFACTURING DEVICE

Automatic process control of additive manufacturing. The system includes an additive manufacturing device for making an object and a local network computer controlling the device. At least one camera is provided with a view of a manufacturing volume of the device to generate network accessible images of the object. The computer is programmed to stop the manufacturing process when the object is defective based on the images of the object.

Extruder and method for extruding cord reinforced tire components
20180043599 · 2018-02-15 ·

Provided is an extruder and a method for extruding cord reinforced tire components, wherein the extruder has an extruder head with a die and a cord guide. The die is provided with a cross sectional profile that defines a first cross section of the extrusion material in the die, wherein the cross sectional profile has a profile height. The cord guide is arranged for guiding the cords into the die at a cord entry height. The extruder head is provided with first heating elements. The extruder has a control unit that is operationally connected to the first heating elements for generating an adjustable height temperature gradient in the extrusion material across the profile height to control swelling of the extrusion material relative to the cord entry height from the first cross section to a second cross section after the extrusion material leaves the die.