apparatus for making melt spinning

Apparatus for melt spinning feedstock material having a ...

Accordingly, it is desirable to provide a spinner head apparatus which is capable of producing melt spun product from a feedstock material which includes a high content of

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Melt-spinning apparatus for polyester filaments - Celanese ...

A melt-spinning apparatus is disclosed for reducing the birefringence variability of melt-spun yarn made at high pack throughputs. It involves extruding polymer at an average mass-flow rate through a first group of orifices (defined by specific location in the spinnerette), that is greater than the mass-flow rate of polymer through a second group of orifices (also defined by location in the spinnerette).

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Apparatus for melt spinning feedstock material - Fuisz ...

1998-7-10  A spinner head provides for the production of melt-spun product. The spinner head includes a base and a cover spaced from the base. A plurality of discrete spaced apart elongate heating elements are positioned between the base and the cover and define a

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US7001567B2 - Melt spinning apparatus and process for ...

A method of melt spinning filaments from a melt spinning apparatus onto a collector moving in a machine direction and managing air discharged from the melt spinning apparatus, comprising: extruding...

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Method and apparatus for melt spinning a multifilament ...

A melt spinning apparatus for producing a multifilament yarn, comprising an extruder for heating a polymeric material and extruding the resulting melt through a spinneret to form a plurality of downwardly advancing filaments which are initially in liquid form, a cooling device disposed below the spinneret for cooling the advancing filaments and comprising an upper cooling shaft defining a cooling zone and

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Process and Apparatus for Melt-Spinning, Drawing and ...

2012-10-30  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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METHOD AND APPARATUS FOR MELT-SPINNING

In a process for melt-spinning hollow nylon or polyester fibers, the improvement for maintaining a uniform hollow which comprises extruding the molten polymer in the form of thin-walled hollow filaments from spinneret orifices having an annular melt-passageway surrounding a central gas channel, and feeding nitrogen into the filament hollow through the gas channel at a controlled pressure relative to pressure outside the filament

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APPARATUS FOR MELT SPINNING FEEDSTOCK MATERIAL

1998-5-4  APPARATUS FOR MELT SPINNING FEEDSTOCK MATERIAL HAVING A FLOW RESTRICTING RING (PAT - EP0981281) ABDI Mesfin, BAYARD Claude A., PERKINS James Fuisz Technologies Ltd. Patent: Publ. of Application with search report - European Patent Office ...

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Lab Scale Melt Spinning Machine upto 400 oC for

MSK-MS-02 is a Lab-scale melt spinning machine for preparing various polymer-based composite fiber at micron or nanometer diameter, such as carbon composite, PTFE and PEEK .to explore new generation composite materials. SPECIFICATIONS. Input Power. 208~240 VAC single phase, 50/60Hz. Max power consumption: 5000 W.

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Structural formation during melt spinning process ...

Summary. The structural changes during melt spinning process of polyethylene, polypropylene and polybutene-1 were studied making use of direct measurements. A model spinning apparatus was devised for this purpose. Measurements of diameter, birefringence and surface temperature were carried out. Wide and small angle x-ray photographs were taken at ...

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Process and Apparatus for Melt-Spinning, Drawing and ...

2012-10-30  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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Apparatus for melt spinning feedstock material - Patent ...

2018-12-3  Apparatus for melt spinning feedstock material (PAT - US6116880) ' ' BOGUE BEUFORD A, ' ' ABDI MESFIN B, ' ' BAYARD CLAUDE, ' ' MADSEN ROBERT A, ' ' PERKINS JAMES H Patent: United STATES Patent - United States. Application: US19980113707 on 1998-07-10. Publication: 2000-09-12. Abstract. A spinner head provides for the production of melt-spun ...

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US Patent for Melt spinning apparatus and melt spinning ...

A melt spinning apparatus has an apparatus body, and the apparatus body includes a spinning nozzle through which a molten resin is extruded into a filament, a primary air channel for directing primary airflow to the filament of the molten resin extruded from the spinning nozzle, and a secondary air channel for directing secondary airflow to the filament at a position downstream of the primary ...

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APPARATUS FOR MELT SPINNING FEEDSTOCK MATERIAL

1998-5-4  APPARATUS FOR MELT SPINNING FEEDSTOCK MATERIAL HAVING A FLOW RESTRICTING RING (PAT - EP0981281) ABDI Mesfin, BAYARD Claude A., PERKINS James Fuisz Technologies Ltd. Patent: Publ. of Application with search report - European Patent Office ...

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Apparatus for melt spinning hollow fibers - Patent ...

Apparatus for melt spinning hollow fibers (PAT - US4278415) PFEIFFER RONALD E. AMERICAN CYANAMID CO. Patent: United STATES Patent - United States. Application: US19790013353 on 1979-02-21. Publication: 1981-07-14. Abstract. Highlight Terms No biological terms identified Using a conventional spinneret plate with suitable pins inserted in the ...

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Lab Scale Melt Spinning Machine upto 400 oC for

MSK-MS-02 is a Lab-scale melt spinning machine for preparing various polymer-based composite fiber at micron or nanometer diameter, such as carbon composite, PTFE and PEEK .to explore new generation composite materials. SPECIFICATIONS. Input Power. 208~240 VAC single phase, 50/60Hz. Max power consumption: 5000 W.

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A new magnetic melt spinning device for patterned ...

2021-4-26  The melt spinning distance (the distance between the collector and the nozzle) ... Formhals, A. Process and apparatus for preparing artificial threads: US50028330A. 1934-10-02. 7.

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Structural formation during melt spinning process ...

The structural changes during melt spinning process of polyethylene, polypropylene and polybutene-1 were studied making use of direct measurements. A model spinning apparatus was devised for this purpose. Measurements of diameter, birefringence and surface temperature were carried out. Wide and small angle x-ray photographs were taken at the successive points below the spinneret, moreover, the ...

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A new prototype melt-electrospinning device for the ...

2019-3-29  A derivative of the melt-blowing technique is the Laval spinning method, which also uses an airstream to draw the fiber from the nozzle . However, the shape of the longitudinal Laval nozzle accelerates the air, making the process more efficient than conventional melt-blowing.

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Melt Spinning , Dry spinning and Wet Spinning Method ...

2015-2-26  Spinning process: In melt spinning, polymer is heated and it melts to form a liquid spinning solution or dope. Chips of polymers are fed to a hopper which is heated. There is a grid (sieve) at the base which permits only molten liquid to pass through.

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Apparatus for melt spinning feedstock material - Patent ...

2018-12-3  Apparatus for melt spinning feedstock material (PAT - US6116880) ' ' BOGUE BEUFORD A, ' ' ABDI MESFIN B, ' ' BAYARD CLAUDE, ' ' MADSEN ROBERT A, ' ' PERKINS JAMES H Patent: United STATES Patent - United States. Application: US19980113707 on 1998-07-10. Publication: 2000-09-12. Abstract. A spinner head provides for the production of melt-spun ...

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APPARATUS FOR MELT SPINNING FEEDSTOCK MATERIAL

1998-5-4  APPARATUS FOR MELT SPINNING FEEDSTOCK MATERIAL HAVING A FLOW RESTRICTING RING (PAT - EP0981281) ABDI Mesfin, BAYARD Claude A., PERKINS James Fuisz Technologies Ltd. Patent: Publ. of Application with search report - European Patent Office ...

More

US Patent for Melt spinning apparatus and melt spinning ...

A melt spinning apparatus has an apparatus body, and the apparatus body includes a spinning nozzle through which a molten resin is extruded into a filament, a primary air channel for directing primary airflow to the filament of the molten resin extruded from the spinning nozzle, and a secondary air channel for directing secondary airflow to the filament at a position downstream of the primary ...

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Apparatus for melt spinning hollow fibers - Patent ...

Apparatus for melt spinning hollow fibers (PAT - US4278415) PFEIFFER RONALD E. AMERICAN CYANAMID CO. Patent: United STATES Patent - United States. Application: US19790013353 on 1979-02-21. Publication: 1981-07-14. Abstract. Highlight Terms No biological terms identified Using a conventional spinneret plate with suitable pins inserted in the ...

More

Lab Scale Melt Spinning Machine upto 400 oC for

MSK-MS-02 is a Lab-scale melt spinning machine for preparing various polymer-based composite fiber at micron or nanometer diameter, such as carbon composite, PTFE and PEEK .to explore new generation composite materials. SPECIFICATIONS. Input Power. 208~240 VAC single phase, 50/60Hz. Max power consumption: 5000 W.

More

Lab Melt Spinning Machine Melt Spinning Tester - FYI

Lab Melt Spinning Machine DW7090A. FYI Lab Melt Spinning Machine with affordable price.The polymer was heated and melted by a three-stage cast copper heating ring, and the gas was compressed to protect the gas continuously and quantitatively.It is extruded evenly from the capillary pores of the spinneret and becomes a liquid stream and then forming the primary fiber under the condensation of air.

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A new magnetic melt spinning device for patterned ...

2021-4-26  The melt spinning distance (the distance between the collector and the nozzle) ... Formhals, A. Process and apparatus for preparing artificial threads: US50028330A. 1934-10-02. 7.

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A new prototype melt-electrospinning device for the ...

2019-3-29  A derivative of the melt-blowing technique is the Laval spinning method, which also uses an airstream to draw the fiber from the nozzle . However, the shape of the longitudinal Laval nozzle accelerates the air, making the process more efficient than conventional melt-blowing.

More

Operation parameters of melt spinning of polypropylene ...

1995-12-15  A schematic diagram of the vessel extrusion apparatus. 4. Melt spinning of hollow fiber membranes of a conventional extruder. Therefore, a vessel extru- sion apparatus was designed as shown in Fig. 2. Meas- Hollow fibers were prepared via melt spinning. Dif- ured amounts of PP and diluent were placed in the ficulties in the premixing of PP and ...

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Melt Spinning , Dry spinning and Wet Spinning Method ...

2015-2-26  Spinning process: In melt spinning, polymer is heated and it melts to form a liquid spinning solution or dope. Chips of polymers are fed to a hopper which is heated. There is a grid (sieve) at the base which permits only molten liquid to pass through.

More