US1830771A - Process for treating freshly spun threads of artificial silk - Google Patents

Process for treating freshly spun threads of artificial silk Download PDF

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Publication number
US1830771A
US1830771A US350519A US35051929A US1830771A US 1830771 A US1830771 A US 1830771A US 350519 A US350519 A US 350519A US 35051929 A US35051929 A US 35051929A US 1830771 A US1830771 A US 1830771A
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United States
Prior art keywords
threads
artificial silk
hanks
liquids
silk
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Expired - Lifetime
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US350519A
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English (en)
Inventor
Spindler Paul
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.)
Sondermann & Co
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Sondermann & Co
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Publication date
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Publication of US1830771A publication Critical patent/US1830771A/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
    • D01D7/00—Collecting the newly-spun products
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/04—Supporting filaments or the like during their treatment
    • D01D10/0418—Supporting filaments or the like during their treatment as cakes or similar coreless thread packages

Definitions

  • roller material presents serious dificulties since there are only a few materials which are not attacked by the various liquidssome acid, some alkaline-required for the treatment and on the other hand the few materials which are suitable, from the chemical standpoint, are impracticable in other respects, either because'they are too heavy, too brittle or offer insuiicient resistance to the pressure set up by the contraction of the silk in drying.
  • a further drawback of this method consists in that, in the drying of the threads on the rollers, the inner and out/er turns of the winding con ⁇ tract differently since the inner turns encounter resistance on the part of the roller whereas the outer turns in consequence of the thinning of the inner turns have ample 5 room to contract. The result of this is that considerable amount of waste and outla labour.
  • the threads are easily damaged in skeining the hanks especially in the wet state. Moreover, during the treatment of the skeined hanks with liquids when in the loose state the open hank turns often undergo displacement to form stranded groups of threads thus causing a tangling and relative displacement of the crossings vof the threads, whereby further damage, breakages and knots again ensue rendering the threads diilicult or impossible to unwind; and there i; a
  • the present invention relates to an improvement in the further treatment of such freshly spun threads of artificial silk which are wound as single on rollers and the like. It consists in that the freshly spun threads coming from the spinning bath are wound, without twisting, by the quick-traverse method (preferably in a thick la er) but compactly and free from gaps, ta ing the resulting hanks of yarn from the reeling apparatus without skeining and treating them in this condition with the requisite liquids.
  • F1g. l is a new type of reel in front and side elevation with the artificial silk wound thereon in accordance with the new method.
  • Fig. 2 shows the old known reels and the existing method of winding the artificial silk.
  • Fig. 8 shows a centrifuge in which the artificial silk spun according to the new method is treated with liquids.
  • Fig. 4 shows in front and side elevation, a trough for the same purpose, with inlet and outlet.
  • FIG. 5 shows in front and side elevation a number of artificial silk cheeses spun in accordance with the new method, being irrigated with liquids from above.
  • Fig. 2 represents an ordinary reel plus the usual method of winding the threads, gaps c being intentionally left between the threads for intertwining the skein threads d.
  • the winding b y the new method may take place on single reels or rollers or several threads separated by intermediate spaces may be wound on correspondingly longer rollers or reels.
  • Suitable pervious backings may be applied to the rollers or reels and taken off with the hanks of yarn wound thereon.
  • the rollers or reels are so arranged, in known manner, that the hanks can easily be taken off ⁇ for example by reducing ⁇ the peripheral dimensions of the roller and the like.
  • the hanks are taken off t he rollers or reels without being tied in skeins. Owing to their compact winding they offer considerable resistance to displacement and damage of the threads.
  • a special advantage of the new'method. in contrast' to the existing practice, is that a very thick layer can be formed in winding.
  • the hanks Ve are laid fiat in one or more layers in a centrifuge and preferably with the lateral surfaces against the wall in order to obviate the risk of the windings becoming displaced during the centrifuging process.
  • the various liquids are then successively admitted into the centrifuge and brought into contact with the hanks which are preferably shielded from the direct impact of the liquids by a suitable covering.
  • the centrifugal force ilnpels the liquid through the artificial silk and in a very short time perfect treatment throughout the whole of the material results.
  • the ceutrifuge is preferably kept running .for some time longer for drainage purposes, whereupon the cheeses are taken out and dried.
  • the rotary bowl of the same may be made interchangeable.
  • the rotary bowl is charged outwards and is then put into the unmoved centrifuge. casing. It is also advantageous to divide said bowl into a number ⁇ of separate compartments.
  • the treatment with the various liquids may also be distributed among several centrifuges each of which is used for only one. or only part, of the liquids in question. In such case the contents of one centrifuge must always be transferred (preferably with the bowl or compartment) to the next in succession. Following this treatment the silk may be dyed or treated with other appropriate liquids in the same working operation.
  • the hanks e are first laid fiat in one or more layers in or on suitable tablets containers. baskets or boxes with perforated or grooved bottoms or perforated walls and flushed with the various liquids in succession. This flushing can be effected by irrigation or by means of pressure or aspiration. lhere pressure orsuction is employedwhich particularly accelerates the resultthe vessel containing the hanks is closed by a tight-fitting cover 'r/ connected to pressure or vacuum pipes 7L. The charged container is afterwards drained preferably in a cent-rifuge. Fig. and in the. manner described with reference thereto.
  • FIG. 5' Another method of applying liquid treatment to the hanks spun by the new method is shown in Fig. 5'.
  • the individual hanks are suspended on rods z' in suitable frames and irrigated.
  • Several hanks may suitably be suspended in superimposition so that one and the same quantity of liquid flows through several hanks in succession.
  • the irrigation is preferably performed by admitting the liquid through a single nozzle 7c or only a small number of nozzles moved slowly to and fro above the hanks after the manner indicated by the arrow Z.
  • the hanks When the treatment is completed the hanks may be drained, for example in a centrifuge. This, however, is not essential and the hanks may be dried directly by transferring the frames to the drying apparatus.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Materials For Medical Uses (AREA)
US350519A 1928-03-05 1929-03-28 Process for treating freshly spun threads of artificial silk Expired - Lifetime US1830771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE307357X 1928-03-05

Publications (1)

Publication Number Publication Date
US1830771A true US1830771A (en) 1931-11-10

Family

ID=6121384

Family Applications (1)

Application Number Title Priority Date Filing Date
US350519A Expired - Lifetime US1830771A (en) 1928-03-05 1929-03-28 Process for treating freshly spun threads of artificial silk

Country Status (4)

Country Link
US (1) US1830771A (enrdf_load_stackoverflow)
FR (1) FR670853A (enrdf_load_stackoverflow)
GB (1) GB307357A (enrdf_load_stackoverflow)
NL (1) NL27790C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692210A (en) * 1949-12-10 1954-10-19 Sprague Electric Co Process of purifying and impregnating cellulosic spacers for electrical condensers

Also Published As

Publication number Publication date
GB307357A (en) 1930-04-17
FR670853A (fr) 1929-12-05
NL27790C (enrdf_load_stackoverflow)

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