GB492613A - Improvements in the treatment of filaments, foils and the like - Google Patents
Improvements in the treatment of filaments, foils and the likeInfo
- Publication number
- GB492613A GB492613A GB8804/37A GB880437A GB492613A GB 492613 A GB492613 A GB 492613A GB 8804/37 A GB8804/37 A GB 8804/37A GB 880437 A GB880437 A GB 880437A GB 492613 A GB492613 A GB 492613A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filaments
- inert liquid
- valve
- treatment
- treatment zone
- 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
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
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Filaments, foils, and similar materials, particularly those made of cellulose acetate and other organic derivatives of cellulose, are treated with fluids under superatmospheric pressure, while travelling through a substantially closed apparatus, the filaments, &c., <PICT:0492613/IV/1> <PICT:0492613/IV/2> entering the treatment zone through a body of inert liquid under superatmospheric pressure contained inside the apparatus. One form of the apparatus consists of a single chamber, the floor of which is covered with inert liquid, the filaments, &c., passing upwards through the inert liquid into the treatment zone. The filaments, &c., may be subjected to mechanical stretching simultaneously with their treatment with compressed fluid. The inert liquid may be water, mercury, or an organic liquid, while the treatment fluid may be a gaseous saponifying agent or merely a stretch-assisting agent, such as steam or hot water. In Fig. 1, the filaments 15 are passed through the apparatus by means of rollers 10, 11 and 18, stretching tension being applied between rollers 11 and 18. The filaments enter the treatment compartment 8 through an inert liquid, and are subjected to the action of steam issuing from jets 12. The inert liquid is compressed by introducing air or other inert gas at valve 25, while the inert liquid may be maintained at a uniform temperature by continuously passing inert liquid in at valve 7 and out at valve 6. Alternatively, the valve 6 may be shut and the inert liquid may completely fill the compartment 9, entering at valve 7 and leaving at valve 25. In Fig. 2, inert liquid is contained in a \sx-shaped vessel 20, through which the filaments 15 are led with the aid of guides 22. If required, the filaments, &c. may pass through inert liquid after leaving the treatment zone and before emerging into the atmosphere. Alternatively, the filaments, &c. may be sprayed with cold water immediately on leaving the treatment zone. Specifications 443,707 and 443,773 are referred to.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8804/37A GB492613A (en) | 1937-03-25 | 1937-03-25 | Improvements in the treatment of filaments, foils and the like |
| US192734A US2142913A (en) | 1937-03-25 | 1938-02-26 | Treatment of filaments, foils, and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8804/37A GB492613A (en) | 1937-03-25 | 1937-03-25 | Improvements in the treatment of filaments, foils and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB492613A true GB492613A (en) | 1938-09-23 |
Family
ID=9859562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8804/37A Expired GB492613A (en) | 1937-03-25 | 1937-03-25 | Improvements in the treatment of filaments, foils and the like |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2142913A (en) |
| GB (1) | GB492613A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR957895A (en) * | 1942-07-11 | 1950-02-28 | ||
| US3497910A (en) * | 1966-08-13 | 1970-03-03 | Toray Industries | Apparatus for the drawing of synthetic fiber tows |
-
1937
- 1937-03-25 GB GB8804/37A patent/GB492613A/en not_active Expired
-
1938
- 1938-02-26 US US192734A patent/US2142913A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2142913A (en) | 1939-01-03 |
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