GB400662A - Improvements in the production of artificial filaments - Google Patents
Improvements in the production of artificial filamentsInfo
- Publication number
- GB400662A GB400662A GB12476/32A GB1247632A GB400662A GB 400662 A GB400662 A GB 400662A GB 12476/32 A GB12476/32 A GB 12476/32A GB 1247632 A GB1247632 A GB 1247632A GB 400662 A GB400662 A GB 400662A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filtering
- air
- spinning solution
- cell
- cellulose
- 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
- 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
- D01D5/04—Dry spinning methods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
In apparatus for the production of artificial filaments by the evaporative method, the filtering-device which precedes the spinning jet is <PICT:0400662/IV/1> provided with an internal passage whereby evaporative medium may be passed through the body of the spinning solution contained in the filter. The evaporative medium heats the spinning solution prior to extrusion. Some of the evaporative medium which passes through the cell may be led outside the filtering-device. As shown in the drawing, spinning solution passes down a pipe 4 to a filtering-device 3 wherein it passes through the perforated wall 10 and filter material 9 to the annular space 8, and is extruded from the annular jet 11. Heated air passes upwardly through the cell and is withdrawn through the pipe 13, some of the air passing through a passage 5 constructed within the filtering-device, while the remainder travels outside the casing 7 and through a gap 15 in a plate 14. The proportions of air passing externally and internally of the filtering-device are determined by the ratio of the area of the gap 15 to the total area of the passages 6. Shields 16 direct the rising currents of air heated by pipes 17, to the outside of the filter body. The air passing through the conduit 5 although cooler than that passing externally, still has a considerable heating effect on the spinning solution prior to filtration. The apparatus may be used for the production of filaments of cellulose acetate or other cellulose ester or of ethyl cellulose or other cellulose ether. Specification 300,998, [Class 2 (ii), Cellulose &c.], is referred to. The Provisional Specification describes also the use of a jacket around the filtering-device, or solution-supply pipe, hot air being directed towards and through the jacket in order to heat the solution. The air for heating the spinning solution may be introduced from the external atmosphere independently of that forming the main current within the cell. Cold air may be introduced into the cell in the neighbourhood of the jet.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12476/32A GB400662A (en) | 1932-04-30 | 1932-04-30 | Improvements in the production of artificial filaments |
US662049A US2047313A (en) | 1932-04-30 | 1933-03-22 | Production of artificial filaments |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12476/32A GB400662A (en) | 1932-04-30 | 1932-04-30 | Improvements in the production of artificial filaments |
Publications (1)
Publication Number | Publication Date |
---|---|
GB400662A true GB400662A (en) | 1933-10-30 |
Family
ID=10005275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12476/32A Expired GB400662A (en) | 1932-04-30 | 1932-04-30 | Improvements in the production of artificial filaments |
Country Status (2)
Country | Link |
---|---|
US (1) | US2047313A (en) |
GB (1) | GB400662A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413683A (en) * | 1965-09-24 | 1968-12-03 | American Cyanamid Co | Annular bi-component spinerette assembly |
DE3141490A1 (en) * | 1981-10-20 | 1983-05-05 | Bayer Ag, 5090 Leverkusen | METHOD AND DEVICE FOR CONDUCTING THE HOT GAS IN THE DRY SPINNING PROCESS |
US7265161B2 (en) * | 2002-10-02 | 2007-09-04 | 3M Innovative Properties Company | Multi-photon reactive compositions with inorganic particles and method for fabricating structures |
-
1932
- 1932-04-30 GB GB12476/32A patent/GB400662A/en not_active Expired
-
1933
- 1933-03-22 US US662049A patent/US2047313A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2047313A (en) | 1936-07-14 |
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