| (19) |
 |
|
(11) |
EP 0 310 240 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
16.01.1991 Bulletin 1991/03 |
| (43) |
Date of publication A2: |
|
05.04.1989 Bulletin 1989/14 |
| (22) |
Date of filing: 24.08.1988 |
|
| (51) |
International Patent Classification (IPC)4: D02G 1/20 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB IT LI |
| (30) |
Priority: |
30.09.1987 GB 8722974
23.12.1987 GB 8730040
|
| (71) |
Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC |
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London SW1P 3JF (GB) |
|
| (72) |
Inventors: |
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- Athey, Graham
Ripon
North Yorkshire (GB)
- Essam, David Maltby
Nr Knaresborough HG5 9JJ
North Yorkshire (GB)
|
| (74) |
Representative: Hulse, Raymond et al |
|
ICI Group Patents Services Dept.
PO Box 6
Shire Park
Bessemer Road
Welwyn Garden City
Herts, AL7 1HD
Welwyn Garden City
Herts, AL7 1HD (GB) |
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| |
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(57) A process for producing a tow of flat synthetic filaments comprising providing an
unset low crimp filament tow, optionally transferring the tow to another site for
further processing, and subjecting the tow to heat and tension which substantially
removes all of the crimp from the filaments forming the tow.