| (19) |
 |
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(11) |
EP 0 812 794 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
07.01.1999 Bulletin 1999/01 |
| (43) |
Date of publication A2: |
|
17.12.1997 Bulletin 1997/51 |
| (22) |
Date of filing: 22.05.1997 |
|
| (51) |
International Patent Classification (IPC)6: B65H 63/00 |
|
| (84) |
Designated Contracting States: |
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DE IT |
| (30) |
Priority: |
11.06.1996 JP 149394/96
|
| (71) |
Applicant: Murata Kikai Kabushiki Kaisha |
|
Minami-ku,
Kyoto-shi,
Kyoto 601 (JP) |
|
| (72) |
Inventors: |
|
- Mima, Hiroshi
Jouyou-shi, Kyoto (JP)
- Ikemoto, Tomonari
Uji-shi, Kyoto (JP)
|
| (74) |
Representative: Liedl, Christine, Dipl.-Chem. et al |
|
Albert-Rosshaupter-Strasse 65
81369 München
81369 München (DE) |
|
| |
|
| (54) |
Package quality inspection device |
(57) The present invention more quickly prevents the production of defective packages
by inspecting the package during formation. Specifically, a yarn detection sensor
that detects the existence of yarn positioned on the outermost layer of the package
is arranged. The package is inspected by a positioning of the yarn detection sensor
such that the detection light of this yarn detection sensor passes close to the contact
line of between the package and drive drum, and moreover along the side where the
yarn is guided onto the package.