US2807831A - Shower head type spinning nozzle for the cuprammonium process - Google Patents

Shower head type spinning nozzle for the cuprammonium process Download PDF

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Publication number
US2807831A
US2807831A US335784A US33578453A US2807831A US 2807831 A US2807831 A US 2807831A US 335784 A US335784 A US 335784A US 33578453 A US33578453 A US 33578453A US 2807831 A US2807831 A US 2807831A
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US
United States
Prior art keywords
funnel
shower head
head type
filaments
cone
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
US335784A
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English (en)
Inventor
Viktor Elsaesser
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.)
JP Bemberg AG
Bemberg AG
Original Assignee
Bemberg AG
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 Bemberg AG filed Critical Bemberg AG
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Publication of US2807831A publication Critical patent/US2807831A/en
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs
    • G07F13/10—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs with associated dispensing of containers, e.g. cups or other articles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G9/00—Compounds of zinc
    • C01G9/02—Oxides; Hydroxides
    • 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
    • D01D4/02—Spinnerettes

Definitions

  • This invention relates to the cuprammonium spinning process, and more particularly to an improved shower head type spinning nozzle for use in this process.
  • the bunch of filaments proper hinders the ready exchange of ammonia diffusing therefrom, in consequence of which the concentration of ammonia in the water is found to be much higher near the axis of the funnel than in the vicinity of the wall of the funnel.
  • These two phenomena both act in the same direction, namely to cause the filaments moving near the funnel periphery to be more firmly coagulated and to be stretched earlier than filaments moving close to the funnel axis.
  • This unevenness in the coagulation and stretching characteristics results in material differences in the ultimate micelle structure of the capillary filaments which in turn, materially impair the textile characteristics of the thread or yarn.
  • the invention contemplates eliminating the disadvantages outlined hereinabove, and to insure a uniform micelle structure for all capillary filaments, and a uniform titer and the same textile properties for the finished threads or yarns, by providing a shower head type spinning nozzle mounting, in its center and coaxially with it, a cone which extends far into the funnel and the mantle of which extends substantially in parallel to the Wall of the funnel.
  • the orifices of the shower head type spinning nozzle according to the invention are arranged in one or two circles surrounding the base of the cone; the distance between adjacent orifices must not substantially exceed 3 mm., and preferably, is below 3 mm.
  • the thread or yarn obtained from the capillary filaments therefore, also is distinguished by uniform textile properties and thus is materially superior to a thread composed of unevenly coagulated and stretched, capillary filaments.
  • the sole figure of the drawing is a diagrammatic section through a shower head type spinning nozzle and funnel assembly according to the invention.
  • 1 denotes a spinning nozzle body and 2 the shower head type nozzle head mounted on this body.
  • Orifices 3 are arranged in a circle in the shower head type nozzle head, it being understood that the orifices may be arranged along two concentric circles instead of the single circle shown in the drawing for sake of clarity.
  • the distance between adjacent orifices, as noted above, is not to exceed substantially 3 mm. and preferably, is even below 3 mm.
  • the shower head type nozzle head mounts in its center and inside the circle or circles defined by the orifices, and concentric therewith, the cone 4 according to the invention which, as shown in the drawing, extends into the funnel 5 to about the middle of the conical portion of the funnel, its wall extending substantially in parallel to the wall of the funnel.
  • the capillary filaments 6, indicated in dashes, are seen to emerge from the orifices 3 and to travel along paths extending between the wall of the cone 4 and the wall of the funnel 5.
  • adjacent orifices are spaced from one another by a distance not substantially exceeding 3 mm., and preferably even less than 3 mm, the Capillary filaments emerging from these orifices forrn, together with the boundary layers of water formed around these capillary filaments, a. cone the shape of configuration of which remains completely stable.
  • the cone extending into the conical funnel portion is of vital importance in securing the beneficial eifects obtained by the invention. Accordingly, the mere use of shower head type spinning nozzles which have no orifices arranged in their center portion, does not attain the objectives of the invention, nor do shower head type spinning nozzles having tapering or stepped perforated portions as none of these devi es is capable of insuring the uniformity of flow and diffusion conditions which is essential in the elimination of the drawbacks inherent in'thespinning methods heretofore employed.
  • shower head type spinning, nozzle particularly for use in the cuprammonium funnel spinning process, comprising a cone mounted in the center of said nozzle and adapted to extend into the conical portion of the funnel, said cone being substantially coaxial with said funnel and its wall is spaced from and extending substantially,
  • shower head typespinning nozzle particularly for use in the cuprammonium funnel spinning process, comprising a cone mounted in the center of saidnozzle and adapted to extend into the conical portion of the funnel, to about the middle of said portion, said cone being substantially coaxial with said funnel and an outer surface extending substantially in parallel to and spaced from the funnel Wall, thereby delimiting in the conical portion a cylindrical passage of substantially uniform width.
  • shower head type spinning nozzle particularly for use in the cuprammonium funnel spinning process, comprising a cone extending into the conical portion of the funnel with its surface extending substantially in parallel to the inner wall of said cone and orifices spaced from one another by a distance not substantially exceeding 3 mm. arranged in the nozzle on at least one circle which is concentric with and has a larger diameter than the base of said cone.
  • shower head type spinning nozzle particularly for use in the cuprammonium funnel spinning process, comprising a cone extending into the conical portion of the funnel with its surface extending substantially in parallel to the inner wall of said cone and orifices spaced from one another by a distance of less than 3 mm. arranged in the nozzle on at least, one circle which is concentric with and has a larger diameter than the base of said cone.
  • shower head type spinning nozzle particularly for use in the cuprammonium funnel spinning process, comprising a cone extending into the conical portion of the funnel with its surface extending substantially in parallel to the inner wall of said cone and orifices arranged in the nozzle on two circles which are concentric with and have larger diameters than the base of said cone.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
US335784A 1952-02-13 1953-02-09 Shower head type spinning nozzle for the cuprammonium process Expired - Lifetime US2807831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE309884X 1952-02-13

Publications (1)

Publication Number Publication Date
US2807831A true US2807831A (en) 1957-10-01

Family

ID=6122132

Family Applications (1)

Application Number Title Priority Date Filing Date
US335784A Expired - Lifetime US2807831A (en) 1952-02-13 1953-02-09 Shower head type spinning nozzle for the cuprammonium process

Country Status (5)

Country Link
US (1) US2807831A (me)
BE (1) BE517584A (me)
CH (1) CH309884A (me)
FR (1) FR1070773A (me)
GB (1) GB742542A (me)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7108271B2 (en) 1997-01-31 2006-09-19 Earl Dallas Smith Axleless vehicle suspension system
US9010784B2 (en) 2009-09-01 2015-04-21 Parto Rezania Suspension mechanism

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193316A (en) * 1937-04-20 1940-03-12 Feikes Josef Spinning apparatus for cellulose solutions
US2246990A (en) * 1935-11-09 1941-06-24 Wuppermann Wilhelm Apparatus for spinning rayon

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2246990A (en) * 1935-11-09 1941-06-24 Wuppermann Wilhelm Apparatus for spinning rayon
US2193316A (en) * 1937-04-20 1940-03-12 Feikes Josef Spinning apparatus for cellulose solutions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7108271B2 (en) 1997-01-31 2006-09-19 Earl Dallas Smith Axleless vehicle suspension system
US9010784B2 (en) 2009-09-01 2015-04-21 Parto Rezania Suspension mechanism

Also Published As

Publication number Publication date
FR1070773A (fr) 1954-08-12
CH309884A (de) 1955-09-30
GB742542A (en) 1955-12-30
BE517584A (me)

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