| (19) |
 |
|
(11) |
EP 0 841 423 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
27.01.1999 Bulletin 1999/04 |
| (43) |
Date of publication A2: |
|
13.05.1998 Bulletin 1998/20 |
| (22) |
Date of filing: 04.11.1997 |
|
| (51) |
International Patent Classification (IPC)6: D04B 21/20 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
Designated Extension States: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
07.11.1996 GB 9623217
|
| (71) |
Applicants: |
|
- Peri-Dent Limited
Galashiels,
Selkirkshire TD1 3RS,
Scotland (GB)
- Shaw Moor Yarns Limited
Stalybridge,
Cheshire SK15 3AW (GB)
|
|
| (72) |
Inventors: |
|
- Hill, David MacKenzie
c/o Peri-dent Limited
Selkirkshire,
Scotland TD1 3RS (GB)
- Coogan, Ian Patrick,
c/o Shaw Moor Yarns Limited
Stalybridge,
Cheshire, SK15 3AW (GB)
|
| (74) |
Representative: Swindell & Pearson |
|
48 Friar Gate
Derby DE1 1GY
Derby DE1 1GY (GB) |
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| |
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(57) A knitted filament (10), which may be in the form of a dental floss, comprises a
first thread (12) of a non-elastomeric material, and a second thread (14) of an elastomeric
material, knitted together. The filament (10) can be formed by knitting the threads
together using a single needle (16) to knit each thread alternatively through a loop
formed by the other thread.