GB528804A - Improvements in or relating to the manufacture of viscose artificial silk - Google Patents

Improvements in or relating to the manufacture of viscose artificial silk

Info

Publication number
GB528804A
GB528804A GB1350939A GB1350939A GB528804A GB 528804 A GB528804 A GB 528804A GB 1350939 A GB1350939 A GB 1350939A GB 1350939 A GB1350939 A GB 1350939A GB 528804 A GB528804 A GB 528804A
Authority
GB
United Kingdom
Prior art keywords
roller
stretching
rollers
stepped
bath
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
GB1350939A
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.)
BRITISH ENKA Ltd
HENDRIK DAVID MULLER
Original Assignee
BRITISH ENKA Ltd
HENDRIK DAVID MULLER
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 BRITISH ENKA Ltd, HENDRIK DAVID MULLER filed Critical BRITISH ENKA Ltd
Priority to GB1350939A priority Critical patent/GB528804A/en
Publication of GB528804A publication Critical patent/GB528804A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose

Abstract

528,804. Artificial silk. BRITISH ENKA, Ltd., and MULLER, H. D. May 5, 1939, No. 13509. [Class 2 (ii)] Artificial silk filaments obtained from viscose are subjected on leaving the spinning bath to an initial stretching by means of a pair of rollers, then to a second stretching while passing through a bath of liquid containing dilute acid and a salt at elevated temperature and then to further stretching by a second pair of rollers before they are taken up by a spinning pot or spinning bobbin. The liquid of the stretching bath may contain small quantities of sodium sulphate and sulphuric acid together, if desired, with magnesium or zinc sulphate. Rollers rotating at increasing peripheral speeds or stepped rollers may be used. There may be four or more stretching operations. Stepped rollers may be arranged so that each stretching operation takes place in a number of steps. One or more guide rollers may be provided for guiding the filaments through the liquid. As shown in Fig. 3, the filaments 14 pass from the bath 16 over stepped roller 12, 13 and guide roller 15 and thence around roller 17 in the bath 18 to the stepped roller 19, 20 and guide roller 21. The filaments then pass round guide roller 23 and thence to bobbin 24. The peripheral speed of the bobbin may be less, equal to or greater than that of the step 20 but in any case must be greater than that of the step 19. Stretching takes place at the stepped roller 12, 13, and between this roller and the stepped roller 19, 20, and at this latter roller. Instead of the bobbin, there may be used a spinning pot.
GB1350939A 1939-05-05 1939-05-05 Improvements in or relating to the manufacture of viscose artificial silk Expired GB528804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1350939A GB528804A (en) 1939-05-05 1939-05-05 Improvements in or relating to the manufacture of viscose artificial silk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1350939A GB528804A (en) 1939-05-05 1939-05-05 Improvements in or relating to the manufacture of viscose artificial silk

Publications (1)

Publication Number Publication Date
GB528804A true GB528804A (en) 1940-11-07

Family

ID=10024263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1350939A Expired GB528804A (en) 1939-05-05 1939-05-05 Improvements in or relating to the manufacture of viscose artificial silk

Country Status (1)

Country Link
GB (1) GB528804A (en)

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