US1933999A - Manufacture of artificial products of viscose - Google Patents

Manufacture of artificial products of viscose Download PDF

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Publication number
US1933999A
US1933999A US416985A US41698529A US1933999A US 1933999 A US1933999 A US 1933999A US 416985 A US416985 A US 416985A US 41698529 A US41698529 A US 41698529A US 1933999 A US1933999 A US 1933999A
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US
United States
Prior art keywords
viscose
stretching
manufacture
heated
artificial
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
US416985A
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English (en)
Inventor
Pfannenstiel Hugo
Meyer Harry
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of US1933999A publication Critical patent/US1933999A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D02J1/225—Mechanical characteristics of stretching apparatus
    • 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
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins

Definitions

  • ucts for instance artificial silk, horsehair, bands or other artificial textile products are guided on their way between the spinning nozzle andthe collecting device over rubbing surfaces,. such as rods, rolls, rollers or helical or otherwise shaped surfaces in such amanner that a tension is produced in the thread, the said surfaces being heated to a raised temperature.
  • This stretching device may be manufactured of any suitable material, as for instance, of glass or any acid-proof metal. The temperature to which .thestretching device is heated generally is higher than that at which the spinning process is carried out and maybe raised up to about 100 C. The stretchingdevice may be heated in any suitable manner,
  • the stretching device may be a stat'onary one or it may comprise rotating rollers which revolve according to the special require-- ments with the sameor with a different speed .as the collecting device.
  • the heat is sup plied preferably through the axis.
  • the hot stretching device may be irrigated in any suitable manner.
  • an irrigating liquid preferably water is used, however, other treating liquids such as alkalies, acids, salt solutions, may be applied, the temperature of the said irrigating lquor being kept at that of the stretching device.
  • the threads may be stretched according to the invention without difiiculties, whereas with a similar device with unheated rollers the performance of the spinning process is either impossible or can only be carried out with repeated breakage of the threads.
  • a further advantage of stretching the threads. over heated surfaces resides in concentrating, if desired, the coagulating liquid adhering the artificial product while it slides over tion the heated surfacesand thus enhancing its action. The qual ty of the resulting products is improved by reduction of breakage of the capillary threads and by increasing simultaneously the tensile strength of the fiber.
  • Example 2 The roller for stretching the fibers as used in Example 1 is arranged in such a manner that it rotates round the supply and discharge piping and is heated by water of about 80 to 90 C.
  • the peripheral velocity of the stretching roller is 10 per cent less than that of the collecting bobbin. A similar good result is obtained.
  • Fig. 1 isa front view and Fig. 2 a side view.
  • a is a spinning noz- Zle arranged in 'a spinning trough g.
  • the threads IL leaving the precipitating bath are guided on their way'from the spinning nozzle 0!. to the collecting device 0 over a stationary roller 12 provided with an inlet d and a discharge piping e for the steam.
  • f is a thread guide.
  • a heated stretching device may be used in combination with other means known in' the art of manufacturing artificial viscose products, without departing from the scope of the present invention.
  • thestep which comprises stretching the material on its way from the spinning nozzle to the collecting device by guiding it over a rubbing surface which is heated to a temperature higher than the temperature at which the other spinning operations are performed.
  • the step which comprises stretching the material on its way from the spinning nozzle to the collecting device by guiding it over a rubbing surface which is heated to a temperature dipping into the precipitating bath, a collecting device for winding up the threads produced, a stretching device between said nozzle and said collecting device and means to heat said stretching device.
  • a machine for manufacturing artificial materials from a viscose solution in combination a trough containing a precipitating bath for viscose, a pipe for supplying viscose, a spinning nozzle fixed to said pipe, said spinning nozzle dipping into the precipitating bath, a collecting device for winding up the threads produced, a stretching device between said nozzle and. said collecting device and means to heat said stretching device to a temperature of from about 50 to about 100 C.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
US416985A 1928-12-29 1929-12-27 Manufacture of artificial products of viscose Expired - Lifetime US1933999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI36587D DE526264C (de) 1928-12-29 1928-12-29 Nassspinnverfahren zur Herstellung von kuenstlichen Gebilden, wie Kunstseide

Publications (1)

Publication Number Publication Date
US1933999A true US1933999A (en) 1933-11-07

Family

ID=31895038

Family Applications (1)

Application Number Title Priority Date Filing Date
US416985A Expired - Lifetime US1933999A (en) 1928-12-29 1929-12-27 Manufacture of artificial products of viscose

Country Status (6)

Country Link
US (1) US1933999A (de)
BE (1) BE366271A (de)
DE (1) DE526264C (de)
FR (1) FR689121A (de)
GB (1) GB340138A (de)
NL (1) NL27180C (de)

Also Published As

Publication number Publication date
BE366271A (de) 1930-01-31
GB340138A (de) 1930-12-24
NL27180C (de) 1932-06-15
FR689121A (fr) 1930-09-02
DE526264C (de) 1931-06-04

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