B29C2948/92857

POLYMER COMPOSITION, ELECTRONIC DEVICE AND METHOD OF MANUFACTURING THE SAME
20180002525 · 2018-01-04 ·

The present disclosure relates to a polymer composition including eco-friendly materials, an electronic device and a method of manufacturing the same. The polymer composition according to an aspect of the present disclosure includes a thermoplastic resin at 30 to 70 parts by weight; an eco-friendly resin, including a bio-resin, at 1 to 50 parts by weight; and a silicone resin at 1 to 60 parts by weight based on the total weight of the polymer composition.

Extrusion device

An extrusion device comprises at least one supply station suitable for containing a material to be extruded; a plurality of propellers operatively connected to at least one supply station for receiving the material to be extruded and at least one extrusion head connected to at least one propeller. Each propeller can also be selectively activated to modulate an extrusion speed and/or a quantity of material to be extruded as an output from the extrusion head.

METHODS FOR MANUFACTURING BULKED CONTINUOUS FILAMENT
20220356321 · 2022-11-10 ·

A method of recycling a PET-containing material comprises: (1) providing an MRS extruder having an MRS section comprising a plurality of satellite screws and an outlet; (2) providing a vacuum pump in communication with the MRS section; (3) providing a spinning machine comprising an inlet, wherein the inlet is directly coupled to the outlet of the MRS extruder; (4) heating a plurality of PET-containing flakes in the MRS extruder to form a PET-containing melt; (5) increasing a surface area of the PET-containing melt by distributing the PET-containing melt across the plurality of satellite screws in the MRS extruder; (6) drawing off vapors from the PET-containing melt by reducing the pressure in the MRS section with the vacuum pump; (7) collating the PET-containing melt in the MRS extruder; and (8) extruding the PET-containing melt through the outlet of the MRS extruder into the inlet of the spinning machine.

Molding apparatus and molding method
09776358 · 2017-10-03 · ·

A molding apparatus that adsorbs thermoplastic resin extruded in a sheet form from an extruding machine, onto a cavity of a mold, and shapes the thermoplastic resin into a shape according to the cavity is provided. The molding apparatus may include a frame that is positioned on a periphery of the mold and is movable relative to the mold, wherein a suction part for suctioning the thermoplastic resin is provided in a contact surface of the frame to contact the thermoplastic resin, and the suction part is provided in a linear shape along with a longitudinal direction of the frame positioned on the periphery of the mold.

EXTRUDER, PLASTIC MOLDING PLANT OR COMPOUNDING PLANT AND METHOD FOR OPERATING SUCH A PLANT

An extruder, such as a double-screw extruder includes a double cylinder and a double-lead screw arranged therein with a drive train for the screw. The drive train has a coupling with the screw. The extruder includes a sensor for recording a moment load having torque and/or bending moment and for generating electronic data from the recorded moment load. A controller is provided in operative connection to a drive for the drive train and the sensor is in data connection with the controller. The controller is adapted to evaluate the data on the recorded moment load and to trigger a protective action if a threshold value set in the controller is exceeded. The evaluation includes a bending moment calculation. A plastic molding plant produces a film with the extruder along with a nozzle unit and a cooling and wind-up unit or a compounding plant. A method for operating such a plant for manufacturing a film includes the extruder.

Methods for manufacturing bulked continuous filament
11427694 · 2022-08-30 · ·

A method of manufacturing bulked continuous carpet filament, in various embodiments, comprises: (A) providing an expanded surface area extruder; (B) providing a spinning machine having an inlet that is operatively coupled to an expanded surface area extruder outlet; (C) using a pressure regulation system to reduce the pressure within the expanded surface area extruder; (D) passing a plurality of flakes comprising recycled PET through the expanded surface area extruder to at least partially melt the plurality of flakes to form a polymer melt; and (E) substantially immediately after passing the plurality of flakes through the expanded surface area extruder, using the spinning machine to form the polymer melt into bulked continuous carpet filament. In some embodiments, the method may include passing the plurality of flakes comprising recycled PET through a PET crystallizer prior to extrusion.

Non-penetrating multi-layer continuous hose and a preparation method thereof

A non-penetrating multi-layer continuous hose and a preparation method thereof are provided. The hose includes an outer coating, a reinforcement layer, and an inner coating. The inner coating and the outer coating can have one or more layers with different materials and have an adjustable thickness. The hose is prepared by simultaneously performing extrusion coating inside and outside the reinforcement layer rather than penetrating the fiber reinforcement layer. The hose exhibits improved layer-to-layer adhesion and has high strength, and continuous production can be achieved to meet the length requirement in various kinds of construction, which has high applicability.

THERMALLY CONDUCTIVE INSULATING SHEET AND METHOD FOR PREPARING SAME
20210359354 · 2021-11-18 ·

The present application uses a thermoplastic resin as a substrate with the addition of a thermally conductive filler, a fire retardant and a toughener to jointly prepare a thermally conductive insulating sheet; the thermally conductive insulating sheet so prepared has thermally conductive, insulating, fire retardant and other properties, while a thickness of 0.05-1 mm can be attained. Furthermore, the present application uses a process of extrusion and rolling to prepare a thermally conductive insulating sheet with a thermoplastic resin as a substrate; the thickness can be precisely controlled, while it is possible to have no hole formation while ensuring a thin-wall state of the thermally conductive insulating sheet.

3D-printer system and 3D-printing method of an elastomerically deformable rubber body, in particular a rubber seal

Disclosed is a novel 3D-printer system for printing elastically deformable rubber parts such as rubber seals where the uncured rubber source material is partially cured before printing each rubber layer of the rubber part. Furthermore, disclosed is a novel 3D printing method for 3D-printing an elastically deformable rubber body using the 3D-printer system.

Device and procedure for extrusion and application of spacer profile of an insulating glass
20220290491 · 2022-09-15 ·

The present relates to a device and a procedure for the extrusion and application of a spacer profile of insulating glass, particularly for a machine adapted to compose the spacer frame directly against one or more glass panes constituting the insulating glass starting from a thermoplastic product prevalently contained in drums, displacing the extrados thereof to an adjustable and controlled distance referred to the margin of one or more glass panes.