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apparatus for making melt spinning

A versatile hot melt centrifugal spinning apparatus for

2023.9.1  Hot melt centrifugal spinning apparatus. Polymer pellets are introduced inside the rotating funnel and begin to melt. Once the pellets have fully melted, the centrifugal force created by the motor rotational speed extrudes the polymer melt from

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A new magnetic melt spinning device for patterned nanofiber

2021.4.26  The melt spinning distance (the distance between the collector and the nozzle) ... Formhals, A. Process and apparatus for preparing artificial threads:

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Nanocrystalline and nanocomposite permanent magnets by melt spinning ...

2018.11.1  Figure 1 illustrates basic configuration of the single-roller melt-spinning apparatus. In a typical melt-spinning process, a rotating wheel is cooled internally,

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Apparatus of melt spinning and take-up system for

In recent years, porous PP membrane was mainly prepared by melt-stretching technique. This technique can produce PP membrane with high mechanical strength and low cost.

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Melt-electrospinning of nanofibers - ScienceDirect

2017.1.1  Various techniques such as melt-electrospinning, meltblowing, bicomponent spinning, force-spinning, and flash-spinning can be used for the fabrication of nanofibers

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Spinning from Nature: Engineered Preparation and

2022.7.1  Inspired by natural spinning processes, various solvent-based spinning methods have been developed, including wet spinning, dry spinning, microfluidics

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Melt-spinning 4 processes - Springer

2017.8.26  The melt-spinning line 69 excess of 6000mmin-1. It is noteworthy that techniques (2), (3) and (4) are all based on high speed spinning. In this chapter various

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Cellulosic Fiber Produced by Melt Spinning

2017.4.12  The melt spinning process for fiber making is similar to that applied to synthetic polymers such as PET and polyamides, which is shown in Fig. 5.4 and includes three major steps: (1) the pellets supplied in

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Melt Spinning SpringerLink

2015.12.10  Melt spinning is a fiber fabrication technique from polymers or polymer/diluent systems that can be melted. Both fibers (filaments) and hollow fibers can

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Recent advances in melt electrospinning - RSC Publishing

2016.5.26  Particularly, several kinds of new melt e-spinning apparatuses (e.g., portable apparatus and apparatus for mass production), 3D fibrous structures and some

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IJMS Free Full-Text Melt Electrospinning Designs for Nanofiber ...

2019.5.17  Nanofibers have been attracting growing attention owing to their outstanding physicochemical and structural properties as well as diverse and intriguing applications. Electrospinning has been known as a simple, flexible, and multipurpose technique for the fabrication of submicro scale fibers. Throughout the last two decades,

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Free Full-Text Melt-Spun Fibers for Textile

2020.9.26  Textiles have a very long history, but they are far from becoming outdated. They gain new importance in technical applications, and man-made fibers are at the center of this ongoing innovation. The

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Melt spinning apparatus and process for making nonwoven

An air handler for collecting air discharged from a melt spinning apparatus. The air handler includes an outer housing having walls defining a first interior space. One of the walls has an intake opening for receiving the discharge air. Another wall has an exhaust ...

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Spinning from Nature: Engineered Preparation and

2022.7.1  In addition, a non-solvent-based method, melt spinning, serves as an efficient method to produce bio-based fiber derived from bioresources with high carbon content, such as lignin [35], [36]. In this section, we mainly focus on the abovementioned solvent-based spinning methods, briefly discussing their working principles and providing

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OSF Hot melt centrifugal spinning apparatus for

2022.11.19  Authors: Jason Gunther, Jacques Lengaigne, Mélanie Girard, Valérie Toupin-Guay, James T. Teasdale, Martine Dubé, Ilyass Tabiai Abstract: The centrifugal spinning (CS) method could address common issues such as low production rate and high energy consumption in the industry of nonwoven textile fabrication. Similarly to cotton

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Method and apparatus for melt spinning - Google Patents

The present invention relates to a melt spinning method and its melt spinning equipment. It is characterized by that the fibre filaments passing through the instable zone are not contacted mutually, all the molten filaments discharged from several jet nozzles are fined and hardened to obtain the filament yarn formed from several filaments, the all filaments

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Self-powered portable melt electrospinning for in situ

2020.8.10  Melt e-spinning apparatus and melt e-spinning process. The self-powered hand-held melt e-spinning apparatus has a weight of about 450 g and a precise size of 24 cm in length, 6 cm in thickness and 13 cm in height, which is suitable for one-handed operation. The device comprises a heating unit, a high voltage unit, a propulsion unit and

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OSF Hot melt centrifugal spinning apparatus for

Authors: Jason Gunther, Jacques Lengaigne, Mélanie Girard, Valérie Toupin-Guay, James T. Teasdale, Martine Dubé, Ilyass Tabiai Abstract: The centrifugal spinning (CS) method could address common issues such as low production rate and high energy consumption in the industry of nonwoven textile fabrication. Similarly to cotton candy production, the high

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WO2020104434A1 - Method and apparatus for melt-spinning

The invention relates to a method and an apparatus for melt spinning filaments from a polyester. According to the invention, a plurality of filaments is extruded from a melt flow by means of a spinning device. The melt flow is produced from a PET melt of a melt producing device and from a recycled PET melt of a recycling plant.

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Nanocrystalline and nanocomposite permanent magnets by melt spinning ...

2018.11.1  Figure 1 illustrates basic configuration of the single-roller melt-spinning apparatus. In a typical melt-spinning process, a rotating wheel is cooled internally, usually by water or high thermal conductive materials, such as copper. A thin stream of molten liquid is then dropped onto the surface of the rotating wheel.

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US6705852B2 - Melt spinning apparatus - Google Patents

There is provided a melt spinning apparatus capable of reducing the unevenness of fineness of a yarn. The nozzles of the spinning plate are arranged annular in at least one circle, and a cylindrical filter is disposed at an exit of a cooling wind in the cooling device so as to enclose around a spun yarn discharged from the spinning plate. The ...

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Electrical Spinning to Electrospinning: a Brief History

2018.8.8  W. Simm, working for Bayer Aktiengesellschaft in Germany, devised a multiple spinning zone apparatus for making Petryanov-type filters, offsetting the position of the spinnerets to even out fiber

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(PDF) A versatile hot melt centrifugal spinning apparatus for ...

2023.7.1  Hardware name Hot melt centrifugal spinning apparatus Cost of hardware 2 662.16 $ (2021 – 2022) Source le repository On Open Science Framework (OSF) with DOI: 10.17605/OSF.IO/JH6QY [ 6 ]

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US9243348B2 - Apparatus for melt-spinning, drawing and

The invention relates to a process for melt-spinning, drawing and winding multiple synthetic threads and to an apparatus for performing the process. The synthetic threads are spun concurrently side by side through extrusion of fine filamentous strands, cooled down and hauled off to be then collectively drawn as a sheet of threads and wound up on bobbins.

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A versatile hot melt centrifugal spinning apparatus for

2023.8.4  Centrifugal spinning (CS) (also called rotary jet spinning or RJS) allows for the production of micrometric and submicrometric fibres for applications such as nonwoven textiles and filtration membranes. CS offers a high production rate compared to electrospinning which is currently the laboratory workhorse in the field. Reported

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US5476616A - Apparatus and process for uniformly melt

There is disclosed a novel apparatus and process for melt-blowing fiberforming thermoplastic polymers to form fine fibers by extruding through spinning nozzles arranged in four or more rows. The molten fibers are accelerated to near sonic velocity by gas being blown in parallel flow through small circular gas orifices surrounding each nozzle.

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US3080607A - Melt spinning apparatus - Google Patents

US3080607A - Melt spinning apparatus - Google Patents Melt spinning apparatus Download PDF Info Publication number US3080607A ... melt spinning Prior art date 1957-01-28 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the ...

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A versatile hot melt centrifugal spinning apparatus for

Hot melt centrifugal spinning apparatus. Polymer pellets are introduced inside the rotating funnel and begin to melt. Once the pellets have fully melted, the centrifugal force created by the motor rotational speed extrudes the polymer melt from the two channels inside the spinneret and jet formation begins. The fibres are gathered around the ...

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Melt Spinning of Metals - Technische Fakultät

2024.2.12  Melt Spinning of Metals. Melt spinning is one way to make amorphous metals or " metglas ". It always produces thin (around 50 µm) and very long (many m) ribbons (some mm - several cm in width) of the stuff. In essence, the metal retains more or less its liquid and thus amorphous structure because it is cooled down with extreme

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Melt Spinning - an overview ScienceDirect Topics

Melt spinning of synthetic polymeric filaments. A. Rawal, S. Mukhopadhyay, in Advances in Filament Yarn Spinning of Textiles and Polymers, 2014 4.1 Introduction. Melt spinning is one of the most popular methods for manufacturing polymeric filaments. While there are several methods available for filament production, melt spinning is the most economical

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Nanofibers as new-generation materials: From spinning and nano-spinning ...

2019.12.1  The islands-in-sea spinning method involves melt spinning a ‘sea’ and an ‘island’ part of the polymer at a speed of 400 to 6000 m/min [134]. Upon dissolution and removal of the ‘sea’ polymer from the composite fiber, a group of fine fibers is obtained with a thickness from 10 to 1000 nm [134]. This technique offers some attractive ...

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Melt- and solution blowing (Chapter 4) - Fundamentals and

2014.6.5  Apparatus for making melt-blown filter cartridges. US Patent No. 6662842. Nishioi, H., Ogata, ... process for uniformly melt-blowing a fiberforming thermoplastic polymer in a spinnerette assembly of multiple rows of spinning orifices. US Patent No. 5476616. Shambaugh, R. L., 1988. A macroscopic view of the melt-blowing process for

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US Patent for Apparatus for melt-spinning Patent (Patent

An apparatus for melt-spinning a polymer such as a polyamide or polyester has a heating jacket provided with a cavity which accommodates a spinning assembly. Preferably, the spinning assembly is exchangeable in the jacket from above and includes a housing adapted to contain a molten polymer and a spinnerette plate near one end thereof. The opposite

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Micro and Nanofibers - Applications of Polymer Nanofibers

2022.2.23  Summary. Nanofibers, measuring 500 nm or less, can be produced via different methods, such as electrospinning, meltblowing, or using “splittable” or “soluble” bicomponent fibers. Filaments made by meltblowing or electrospinning have lower strength and higher variability in the fiber diameters than fibers produced via the segmented pie ...

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CN108221064A - A kind of apparatus for melt spinning for

The invention discloses a kind of apparatus for melt spinning for realizing masterbatch injection, including spiral hopper, from left to right perforation connects color grain hopper and functional agglomerate hopper successively at the top of the spiral hopper, weigh-hatching plant is respectively provided with inside the Masterbatch hopper and functional

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ES390020A1 - Melt spinning apparatus - Google Patents

A melt spinning device for making yarns of one or more synthetic polymers, the device comprising a support accommodating various parts such as a spinnerette plate, more particularly one with an elongated spinning hole pattern, a bell and/or a cover and an inlet for the material to be spun, and sealing means, the parts of which can be held by the

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CN1745201A - Apparatus and method for melt spinning

The dyed polymer melt is then spun into fibers by means of a spinning apparatus. In order for the polymer melt to be dyed with great regularity even though the liquid dye remains therein only for a short period of time prior to the spinning process, the liquid dye and the polymer melt are mixed in several successive mixing processes, the mixing ...

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EP1505180A1 - Melt spinning apparatus - Google Patents

The present invention provides a melt spinning apparatus that executes spinning so as to obtain a uniform multifilament yarn having a uniform fineness. A melt spinning apparatus includes a plurality of spinning packs 2 installed in a pack housing 33 contained in a spinning beam 1, the spinning packs 2 being arranged in a line, an integral cooling wind supply

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US4035127A - Melt spinning apparatus - Google Patents

A compact melt spinning apparatus having a screw-type extruder or extruders is provided. A metering pump or pumps, a molten polymer conduit or conduits and a spinning pack or packs and optionally the barrel(s) of the extruder(s) are positioned inside a heating frame encased in a casing of a thermal insulation material. The conduit(s) is arranged on a

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GB813016A - Apparatus for melt spinning - Google Patents

GB813016A GB10867/57A GB1086757A GB813016A GB 813016 A GB813016 A GB 813016A GB 10867/57 A GB10867/57 A GB 10867/57A GB 1086757 A GB1086757 A GB 1086757A GB 813016 A GB813016 A GB 813016A Authority GB United Kingdom Prior art keywords spinneret annular trough ducts plate Prior art date 1957-04-03 Legal status

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