US3479692A - Spinneret assembly - Google Patents

Spinneret assembly Download PDF

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Publication number
US3479692A
US3479692A US631815A US3479692DA US3479692A US 3479692 A US3479692 A US 3479692A US 631815 A US631815 A US 631815A US 3479692D A US3479692D A US 3479692DA US 3479692 A US3479692 A US 3479692A
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United States
Prior art keywords
container
spinneret
opening
plate
components
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 - Lifetime
Application number
US631815A
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English (en)
Inventor
Paul V M Van Den Biggelaar
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Akzona Inc
Original Assignee
American Enka Corp
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Filing date
Publication date
Application filed by American Enka Corp filed Critical American Enka Corp
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Publication of US3479692A publication Critical patent/US3479692A/en
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    • 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
    • D01D4/00—Spinnerette packs; Cleaning thereof

Definitions

  • An improved spinneret apparatus for the manufacture of synthetic filarnents, fibers and threads comprising a container, distribution plate and spinneret plate, each rectangular in shape, at least one opening being provided in one side of said container for installing and removing said distribution and spinneret plates, the height of said opening being equal to or slightly larger than the thickness of said plates and the length of said opening being equal to or slightly longer than the length of the smallest side of said plates, said opening being capable of being closed with a sliding locking member positioned therein, said container being self-sealing when said opening is closed and said container subjected to polymer pressure.
  • This invention relates to spinneret apparatus used in the melt solution spinning of filaments, threads and fibers from thermoplastic materials such as polyamides, polyesters, polyolefins, polyvinyls and glass.
  • a spinneret apparatus an assemblage of components for imparting shape to melt solutions of polymers and embraces a container which supports, in a sealed relationshp, a distribution plate, a spinneret plate having one or more shape imparting orifices, filter means, etc.
  • a spinneret assembly or packfi is detachably connected to a polymer melt feed Conduit and is further provided closure or looking means, which permits access to the interior of the container for cleaning and repair of the components contained thereby.
  • Shaping structures such as fibers and films from melt solutions of polymers of increased viscosity have been found to present several numerous and difiicult problems when using spinneret paeks of this general type of construction, however.
  • melt spinning of high performance filaments, fibers and yarns there is the need to use polymers having an increased viscosity and, consequently, much higher pressures are needed to force the polymer through the assembly. Pressures on the order of 200-500 atmospheres are not uncommon.
  • an object of this invention to provide an improved spinneret assembly of generally the abovementioned type in which a considerably better seal between the container and functional components thereof is realized in order to facilitate spinning highly viscous polymeric solutions.
  • FIGURE 1 is a longitudinal section taken along the axis I-I of FIGURE 2; v
  • FIGURE 2 is a cross section along line II-II of FIG URE 1;
  • FIGURE 3 represents a sectional view along lines III-III of FIGURE 1;
  • FIGURE 4 is a plan view of the spinneret plate.
  • the present invention envisions a spinneret assembly for spinning highly viscous polymers in which a looking member for the component parts of such apparatus is connected to the container in a manner which facilitates easy removal of the components yet while preventing polymer leakage when such components are in an Operating position and being subjected to extremely high polymer pressures.
  • the invention features a spinneret pack container including a closure or looking member so constructed to present the smallest surface area possible to the etfects of polymer pressures prevalent in the container.
  • An assembly is provided wherein the distribution plate and the spinneret plate are rectangular in shape and means are provided for lateral assembly or disassernbly thereof through the sidewalls of the container.
  • the opening provided in the container for such assembly or disassembly is so constructed that its dimensions approximate or are only slightly larger than the actual thickness of the distribution plate and the spinneret plate and, as a preferre'd embodiment, the length of the opening approximates the length of the smallest side of these two rectangular shaped components.
  • the opening in the container should then be constructed in at least one of the short side# walls of the container in contradistincton to positioning the opening along the front or back sidewall thereof; or at the top of the container.
  • the container may be made self-scaling in which case a closure or looking member is preferably constructed as a slide with the long edges thereof guided in oppositely opposed grooves provided in facing sides of the container sidewall.
  • a gland, packing rings or ring which expands as a result of the polymer pressure
  • an end ring are interposed between the slide and the distribution and spinneret plate components.
  • FIGURE 1 numeral .1 refers to the rectangularly shaped container of the spinneret assembly according to the Present invention.
  • Distribution plate 2 and the spinneret plate 3 are also substantially rectangular in shape.
  • Spinneret plate 3 is positioned on shoulder 4 in container 1.
  • Spinneret plate 3 is provided With a number of shape imparting orifices 6 which are also arranged in a substantially rectangular pattern which possibly can best be seen in FIGURE 4.
  • Spinneret plate 3 supports distribution plate 2.
  • Plate 2 has several distribution channels machined therein.
  • Two chambers 8 and 9 are provided on both the top and lower surfaces of the distribution plate. Chamber 9 serves to equalize the pressure exerted by the polyrner and chamber 8 serves to receive a filter gauze pack 10 which is Conveniently mounted in support ring 11.
  • a feed conduit for the molten polyrner to be spun into filaments, threads and fibers is provided and is connected to the container above the distribution plate.
  • a polyrner melt is fed to the container via line 14 positioned in heating jacket which is adapted to completely surround container 1.
  • the polymer then passes through channel 12 to chamber 13.
  • the top of chamber :13 gradually recedes in a direction towards the rectangular sidewall of the container in order that a uniform distribution of melt over the entire surface of filter pack is obtained.
  • the joint between the lines 12 and 14 in container 1 and jacket 15 are sealed by means of a packing sleeve and a bolt (not shown) which is adapted to be fitted into recess 16 of container 1.
  • -Container 1 is supported in heated jacket 15 by means of bars 17 and .18.
  • opening 19 is provided in the housing and is located opposite distribution plate 2.
  • the height of the opening generally corresponds to or is only slightly larger than the thickness of distribution plate 2 and spinneret plate 3.
  • the surface area of the opening 19 is therefore much smaller than the face or undersde of the spinneret plate or distribution plate and, accordingly, relatively large apparatus may be provided yet while having a relatively small opening wherein functional component parts of the apparatus may be assembled or removed.
  • Each of the openings 19 is adapted to be closed by cover 21 which is slidably mounted in grooves 22 provided in container 1. Pressurized scaling of .the closure is accomplished in providing gland 23, packing ring 24, and end' ring 25. As soon as the pressurized molten polymer is introduced into the container, complete scaling is effected.
  • packing ring 5 is first mounted on shoulder 4. The spinneret plate is then inserted through any one of the openings 19 after which the distribution plate, including filter pack 10, is inserted.
  • a slightly projecting top edge ofspinneret plate 3 is provided with a bevel 26.
  • Gland 23 is provided with a threaded hole to receive a draw bolt (not shown) to facilitate its removal.
  • container 1 is substantially unitary in Construction with the exceptions being; opening 19 and the essentally U-shaped cavity for positioning the above-mentioned Components.
  • opening 19 is substantially unitary in Construction with the exceptions being; opening 19 and the essentally U-shaped cavity for positioning the above-mentioned Components.
  • the materials of Construction of the apparatus are not critical and may be selected from any materials that are known to be satsfactory for the extrusion of melt solutions. Materals such as titanium or stainless steel are quite satsfactory.
  • a spinneret apparatus for the manufacture of synthetic filaments, fibers and threads, said spinneret comprising, in combination, a container, means for deliverng polyrner solution to said container, a spinneret plate in said container provided with orifices to impart shape to said polyrner, a distribution plate in said container between said means for delivering the polyrner solution to said spinneret plate, the improvement of providing at least one opening in one side of said container for installing and removing said distribution and spinneret plates, said container, distribution plate, and spinneret plate being rectangular in shape, the height of said opening being equal to or slightly larger than the thickness of said Components and the length of said opening being equal to or slightly longer than the length of the smallest side of said Components, said opening being capable of being closed with a sliding lockng member positioned in said opening, said container being self-scaling When said opening is closed and subjected to polyrner pressure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Pipe Accessories (AREA)
US631815A 1966-04-28 1967-04-18 Spinneret assembly Expired - Lifetime US3479692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6605678A NL6605678A (enrdf_load_stackoverflow) 1966-04-28 1966-04-28

Publications (1)

Publication Number Publication Date
US3479692A true US3479692A (en) 1969-11-25

Family

ID=19796430

Family Applications (1)

Application Number Title Priority Date Filing Date
US631815A Expired - Lifetime US3479692A (en) 1966-04-28 1967-04-18 Spinneret assembly

Country Status (5)

Country Link
US (1) US3479692A (enrdf_load_stackoverflow)
DE (1) DE1660179A1 (enrdf_load_stackoverflow)
ES (1) ES339934A1 (enrdf_load_stackoverflow)
GB (1) GB1116679A (enrdf_load_stackoverflow)
NL (1) NL6605678A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768661A (en) * 1970-01-28 1973-10-30 Ici Ltd Filter seal
US4038005A (en) * 1974-06-20 1977-07-26 Barmag Barmer Maschinenfabrik Nozzle plate holder
US4358262A (en) * 1980-11-15 1982-11-09 Hermann Berstorff Maschinenbau Gmbh Filter or tool-changing device for screw extruders
US4465652A (en) * 1983-03-11 1984-08-14 Corning Glass Works Laminated extrusion die blade support
US4648826A (en) * 1984-03-19 1987-03-10 Toray Industries, Inc. Melt-spinning apparatus
WO1987003017A1 (en) * 1985-11-16 1987-05-21 Reinbold Kunststoff-Maschinentechnik Gmbh Spinning system
US4681522A (en) * 1984-08-22 1987-07-21 Barmag Ag Melt spinning apparatus
EP2341174B1 (en) 2003-12-20 2017-08-02 Fitesa Germany GmbH Polyethylene-based, soft nonwoven fabric
EP3228734A4 (en) * 2014-12-04 2018-06-27 Zhengzhou Zhongyuan Spandex Engineering Technology Spandex fiber dry spinning component and spinning part

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306416A1 (de) * 1973-02-09 1974-08-15 Dilo Kg Maschf Oskar Nadelmaschine zum herstellen von nadelfilzen
DE3334870C1 (de) * 1983-09-27 1985-03-21 Reifenhäuser GmbH & Co. Maschinenfabrik, 5210 Troisdorf Düsenkopf für die gleichzeitige Herstellung einer Vielzahl von Fäden aus thermoplastischem Kunststoff

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US823009A (en) * 1906-01-27 1906-06-12 Silas W Pettit Spinning-head for forming filaments of viscose or similar material.
US2045722A (en) * 1932-08-26 1936-06-30 Du Pont Rayon Co Manufacture of thread
US2661497A (en) * 1951-04-03 1953-12-08 Celanese Corp Extrusion apparatus
US2771636A (en) * 1953-07-22 1956-11-27 Monsanto Chemicals Apparatus for extruding thermoplastic material
US2838084A (en) * 1956-08-08 1958-06-10 Nat Plastic Products Company Screen changing method for conduits and tubes for conveying fluids and for extrusionmachines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US823009A (en) * 1906-01-27 1906-06-12 Silas W Pettit Spinning-head for forming filaments of viscose or similar material.
US2045722A (en) * 1932-08-26 1936-06-30 Du Pont Rayon Co Manufacture of thread
US2661497A (en) * 1951-04-03 1953-12-08 Celanese Corp Extrusion apparatus
US2771636A (en) * 1953-07-22 1956-11-27 Monsanto Chemicals Apparatus for extruding thermoplastic material
US2838084A (en) * 1956-08-08 1958-06-10 Nat Plastic Products Company Screen changing method for conduits and tubes for conveying fluids and for extrusionmachines

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768661A (en) * 1970-01-28 1973-10-30 Ici Ltd Filter seal
US4038005A (en) * 1974-06-20 1977-07-26 Barmag Barmer Maschinenfabrik Nozzle plate holder
US4358262A (en) * 1980-11-15 1982-11-09 Hermann Berstorff Maschinenbau Gmbh Filter or tool-changing device for screw extruders
US4465652A (en) * 1983-03-11 1984-08-14 Corning Glass Works Laminated extrusion die blade support
US4648826A (en) * 1984-03-19 1987-03-10 Toray Industries, Inc. Melt-spinning apparatus
US4681522A (en) * 1984-08-22 1987-07-21 Barmag Ag Melt spinning apparatus
WO1987003017A1 (en) * 1985-11-16 1987-05-21 Reinbold Kunststoff-Maschinentechnik Gmbh Spinning system
US4875846A (en) * 1985-11-16 1989-10-24 Heinz Reinbold Spinning apparatus
EP2341174B1 (en) 2003-12-20 2017-08-02 Fitesa Germany GmbH Polyethylene-based, soft nonwoven fabric
EP3228734A4 (en) * 2014-12-04 2018-06-27 Zhengzhou Zhongyuan Spandex Engineering Technology Spandex fiber dry spinning component and spinning part

Also Published As

Publication number Publication date
GB1116679A (en) 1968-06-12
ES339934A1 (es) 1968-06-16
DE1660179A1 (de) 1971-09-02
NL6605678A (enrdf_load_stackoverflow) 1967-10-30

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