GB816016A - Improvements in or relating to melt spinning process and apparatus - Google Patents

Improvements in or relating to melt spinning process and apparatus

Info

Publication number
GB816016A
GB816016A GB37506/56A GB3750656A GB816016A GB 816016 A GB816016 A GB 816016A GB 37506/56 A GB37506/56 A GB 37506/56A GB 3750656 A GB3750656 A GB 3750656A GB 816016 A GB816016 A GB 816016A
Authority
GB
United Kingdom
Prior art keywords
filament
spinneret
cellulose acetate
screw section
pict
Prior art date
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 status listed.)
Expired
Application number
GB37506/56A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hercules Powder Co
Original Assignee
Hercules Powder Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hercules Powder Co filed Critical Hercules Powder Co
Publication of GB816016A publication Critical patent/GB816016A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/084—Heating filaments, threads or the like, leaving the spinnerettes

Abstract

Filaments are produced by extruding molten filament-forming material through a spinneret in the form of at least one filament in semi-liquid state, removing excess heat from the extruded semi-liquid filament near to the spinneret, reheating it immediately thereafter along a portion of its length so as to reduce its cross-sectional area, and collecting the reduced filament in the solidified state at such a rate as to impart not more than 5 grams tensile stress to the filament and preferably to avoid stretching or tensile stress on the filament as far as possible. As shown, suitable apparatus comprises a hopper 4 which feeds filament-forming material, e.g. cellulose acetate, to a screw conveyer having a first screw section 12 of large diameter, substantially completely surrounded by a cooling jacket 14, and a smooth frustoconical section 26 connecting the first screw section to a second screw section 30, the latter being disposed in a heating chamber 20. Filament-forming <PICT:0816016/IV (a)/1> <PICT:0816016/IV (a)/2> <PICT:0816016/IV (a)/3> material in powder form is fused and conveyed by second screw section 30 to spinneret 34 from which it emerges as a semi-liquid filament 40, which is cooled in housing 42, e.g. by application of a vacuum, reheated to a temperature above its melting-point in jacket 46 by heating bands 48, to reduce its denier, and collected on winding device 54 adjusted so that the filament tension indicator never exceeds 5 grams. The single-apertured spinneret 34 may be replaced by spinneret 60 (Figs. 4 and 5) having a concave upper surface 62 and a plurality of tapered apertures 64 which converge on the inlet side so as to give an even overall pressure distribution on the spinneret plate. Soluble and insoluble dyes and pigments may be incorporated in the filament-forming material. Other specified filament-forming materials are cellulose propionate, cellulose acetate/propionate, cellulose acetate/formate and cellulose acetate/butyrate. Specification 777,475 is referred to.
GB37506/56A 1955-12-08 1956-12-07 Improvements in or relating to melt spinning process and apparatus Expired GB816016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US816016XA 1955-12-08 1955-12-08

Publications (1)

Publication Number Publication Date
GB816016A true GB816016A (en) 1959-07-08

Family

ID=22165174

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37506/56A Expired GB816016A (en) 1955-12-08 1956-12-07 Improvements in or relating to melt spinning process and apparatus

Country Status (3)

Country Link
BE (1) BE553136A (en)
FR (1) FR1168945A (en)
GB (1) GB816016A (en)

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259938A (en) * 1964-03-13 1966-07-12 Monsanto Chemicals Spinneret pack
US3466357A (en) * 1965-12-18 1969-09-09 Glanzstoff Ag Method and apparatus for spinning organic high polymers
EP1499761A1 (en) * 2002-04-17 2005-01-26 Stratasys, Inc. High-precision modeling filament
US8221669B2 (en) 2009-09-30 2012-07-17 Stratasys, Inc. Method for building three-dimensional models in extrusion-based digital manufacturing systems using ribbon filaments
US8227540B2 (en) 1999-04-20 2012-07-24 Stratasys, Inc. Soluble material and process for three-dimensional modeling
US8236227B2 (en) 2009-09-30 2012-08-07 Stratasys, Inc. Method for building three-dimensional models in extrusion-based digital manufacturing systems using tracked filaments
US8246888B2 (en) 2008-10-17 2012-08-21 Stratasys, Inc. Support material for digital manufacturing systems
US8439665B2 (en) 2009-09-30 2013-05-14 Stratasys, Inc. Ribbon liquefier for use in extrusion-based digital manufacturing systems
US8460755B2 (en) 2011-04-07 2013-06-11 Stratasys, Inc. Extrusion-based additive manufacturing process with part annealing
US8647098B2 (en) 2010-09-22 2014-02-11 Stratasys, Inc. Liquefier assembly for use in extrusion-based additive manufacturing systems
US8658250B2 (en) 2009-11-19 2014-02-25 Stratasys, Inc. Encoded consumable materials and sensor assemblies for use in additive manufacturing systems
US8801990B2 (en) 2010-09-17 2014-08-12 Stratasys, Inc. Method for building three-dimensional models in extrusion-based additive manufacturing systems using core-shell semi-crystalline consumable filaments
US8815141B2 (en) 2010-09-22 2014-08-26 Stratasys, Inc. Method for building three-dimensional models with extrusion-based additive manufacturing systems
US8920697B2 (en) 2010-09-17 2014-12-30 Stratasys, Inc. Method for building three-dimensional objects in extrusion-based additive manufacturing systems using core-shell consumable filaments
US9022769B2 (en) 2010-07-22 2015-05-05 Stratasys, Inc. Multiple-zone liquefier assembly for extrusion-based additive manufacturing systems
US9050753B2 (en) 2012-03-16 2015-06-09 Stratasys, Inc. Liquefier assembly having inlet liner for use in additive manufacturing system
US9168697B2 (en) 2012-08-16 2015-10-27 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US9174388B2 (en) 2012-08-16 2015-11-03 Stratasys, Inc. Draw control for extrusion-based additive manufacturing systems
US9327350B2 (en) 2012-08-16 2016-05-03 Stratasys, Inc. Additive manufacturing technique for printing three-dimensional parts with printed receiving surfaces
US9511547B2 (en) 2012-08-16 2016-12-06 Stratasys, Inc. Method for printing three-dimensional parts with additive manufacturing systems using scaffolds
US9523934B2 (en) 2013-07-17 2016-12-20 Stratasys, Inc. Engineering-grade consumable materials for electrophotography-based additive manufacturing
US9636868B2 (en) 2012-08-16 2017-05-02 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US9714318B2 (en) 2013-07-26 2017-07-25 Stratasys, Inc. Polyglycolic acid support material for additive manufacturing systems
US9744722B2 (en) 2012-11-21 2017-08-29 Stratasys, Inc. Additive manufacturing with polyamide consumable materials
US10029415B2 (en) 2012-08-16 2018-07-24 Stratasys, Inc. Print head nozzle for use with additive manufacturing system
US10059053B2 (en) 2014-11-04 2018-08-28 Stratasys, Inc. Break-away support material for additive manufacturing
USD888115S1 (en) 2017-03-16 2020-06-23 Stratasys, Inc. Nozzle
US11020899B2 (en) 2012-08-16 2021-06-01 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US11148374B2 (en) 2012-11-21 2021-10-19 Stratasys, Inc. Feedstock material for printing three-dimensional parts with crystallization kinetics control
US11247387B2 (en) 2018-08-30 2022-02-15 Stratasys, Inc. Additive manufacturing system with platen having vacuum and air bearing

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259938A (en) * 1964-03-13 1966-07-12 Monsanto Chemicals Spinneret pack
US3466357A (en) * 1965-12-18 1969-09-09 Glanzstoff Ag Method and apparatus for spinning organic high polymers
US8227540B2 (en) 1999-04-20 2012-07-24 Stratasys, Inc. Soluble material and process for three-dimensional modeling
EP1499761A1 (en) * 2002-04-17 2005-01-26 Stratasys, Inc. High-precision modeling filament
EP1499761A4 (en) * 2002-04-17 2009-09-02 Stratasys Inc High-precision modeling filament
US8246888B2 (en) 2008-10-17 2012-08-21 Stratasys, Inc. Support material for digital manufacturing systems
US8439665B2 (en) 2009-09-30 2013-05-14 Stratasys, Inc. Ribbon liquefier for use in extrusion-based digital manufacturing systems
US8236227B2 (en) 2009-09-30 2012-08-07 Stratasys, Inc. Method for building three-dimensional models in extrusion-based digital manufacturing systems using tracked filaments
US10759107B2 (en) 2009-09-30 2020-09-01 Stratasys, Inc. Ribbon filament and assembly for use in extrusion-based digital manufacturing systems
US10272665B2 (en) 2009-09-30 2019-04-30 Stratasys, Inc. Method of forming a non-cylindrical filament for use in extrusion-based digital manufacturing systems
RU2514831C2 (en) * 2009-09-30 2014-05-10 Стратасис, Инк. Untrue filaments for use in digital extrusion production systems
US9586357B2 (en) 2009-09-30 2017-03-07 Stratasys, Inc. Ribbon filament and assembly for use in extrusion-based digital manufacturing systems
US8221669B2 (en) 2009-09-30 2012-07-17 Stratasys, Inc. Method for building three-dimensional models in extrusion-based digital manufacturing systems using ribbon filaments
US10500829B2 (en) 2009-09-30 2019-12-10 Stratasys, Inc. Ribbon liquefier and method of use in extrusion-based digital manufacturing systems
US8926882B2 (en) 2009-09-30 2015-01-06 Stratasys, Inc. Ribbon liquefier and method of use in extrusion-based digital manufacturing systems
US9855679B2 (en) 2009-11-19 2018-01-02 Stratasys, Inc. Encoded consumable materials and sensor assemblies for use in additive manufacturing systems
US8658250B2 (en) 2009-11-19 2014-02-25 Stratasys, Inc. Encoded consumable materials and sensor assemblies for use in additive manufacturing systems
US9022769B2 (en) 2010-07-22 2015-05-05 Stratasys, Inc. Multiple-zone liquefier assembly for extrusion-based additive manufacturing systems
US10695979B2 (en) 2010-09-17 2020-06-30 Stratasys, Inc. Core/shell filament for use with extrusion-based additive manufacturing system
US9738031B2 (en) 2010-09-17 2017-08-22 Stratasys, Inc. Additive manufacturing method for building three-dimensional objects with core-shell arrangements
US8920697B2 (en) 2010-09-17 2014-12-30 Stratasys, Inc. Method for building three-dimensional objects in extrusion-based additive manufacturing systems using core-shell consumable filaments
US10493695B2 (en) 2010-09-17 2019-12-03 Stratasys, Inc. Additive manufacturing method for building three-dimensional objects with core-shell arrangements, and three-dimensional objects thereof
US8801990B2 (en) 2010-09-17 2014-08-12 Stratasys, Inc. Method for building three-dimensional models in extrusion-based additive manufacturing systems using core-shell semi-crystalline consumable filaments
US9022771B2 (en) 2010-09-22 2015-05-05 Stratasys, Inc. Liquefier assembly for use in extrusion-based additive manufacturing systems
US8815141B2 (en) 2010-09-22 2014-08-26 Stratasys, Inc. Method for building three-dimensional models with extrusion-based additive manufacturing systems
US9550327B2 (en) 2010-09-22 2017-01-24 Stratasys, Inc. Liquefier assembly for use in extrusion-based additive manufacturing systems
US8647098B2 (en) 2010-09-22 2014-02-11 Stratasys, Inc. Liquefier assembly for use in extrusion-based additive manufacturing systems
US8460755B2 (en) 2011-04-07 2013-06-11 Stratasys, Inc. Extrusion-based additive manufacturing process with part annealing
US9050753B2 (en) 2012-03-16 2015-06-09 Stratasys, Inc. Liquefier assembly having inlet liner for use in additive manufacturing system
US9511547B2 (en) 2012-08-16 2016-12-06 Stratasys, Inc. Method for printing three-dimensional parts with additive manufacturing systems using scaffolds
US9636868B2 (en) 2012-08-16 2017-05-02 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US11020899B2 (en) 2012-08-16 2021-06-01 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US10029415B2 (en) 2012-08-16 2018-07-24 Stratasys, Inc. Print head nozzle for use with additive manufacturing system
US10035306B2 (en) 2012-08-16 2018-07-31 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US9168697B2 (en) 2012-08-16 2015-10-27 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US9174388B2 (en) 2012-08-16 2015-11-03 Stratasys, Inc. Draw control for extrusion-based additive manufacturing systems
US11273596B2 (en) 2012-08-16 2022-03-15 Stratasys, Inc. Print head nozzle for use with additive manufacturing system
US10399281B2 (en) 2012-08-16 2019-09-03 Stratasys, Inc. Additive manufacturing technique for printing three-dimensional parts with printed receiving surfaces
US10549517B2 (en) 2012-08-16 2020-02-04 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US9327350B2 (en) 2012-08-16 2016-05-03 Stratasys, Inc. Additive manufacturing technique for printing three-dimensional parts with printed receiving surfaces
US11148374B2 (en) 2012-11-21 2021-10-19 Stratasys, Inc. Feedstock material for printing three-dimensional parts with crystallization kinetics control
US9744722B2 (en) 2012-11-21 2017-08-29 Stratasys, Inc. Additive manufacturing with polyamide consumable materials
US9523934B2 (en) 2013-07-17 2016-12-20 Stratasys, Inc. Engineering-grade consumable materials for electrophotography-based additive manufacturing
US10061221B2 (en) 2013-07-17 2018-08-28 Evolve Additive Solutions, Inc. Engineering-grade consumable materials for electrophotography-based additive manufacturing system
US9714318B2 (en) 2013-07-26 2017-07-25 Stratasys, Inc. Polyglycolic acid support material for additive manufacturing systems
US10059053B2 (en) 2014-11-04 2018-08-28 Stratasys, Inc. Break-away support material for additive manufacturing
US11046014B2 (en) 2014-11-04 2021-06-29 Stratasys, Inc. Break-away support material for additive manufacturing
USD888115S1 (en) 2017-03-16 2020-06-23 Stratasys, Inc. Nozzle
USD1014586S1 (en) 2017-03-16 2024-02-13 Stratasys, Inc. Nozzle
US11247387B2 (en) 2018-08-30 2022-02-15 Stratasys, Inc. Additive manufacturing system with platen having vacuum and air bearing

Also Published As

Publication number Publication date
BE553136A (en)
FR1168945A (en) 1958-12-18

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