Title:
DEVICE FOR STRETCHING WEB FORMED OF THERMOPLASTIC SYNTHETIC RESIN
Document Type and Number:
WIPO Patent Application WO/2008/010369
Kind Code:
A1
Abstract:
A device for stretching a web formed of thermoplastic synthetic resin over its entire
width. The device (2) for stretching a web (1) formed of thermoplastic synthetic
resin comprises a plurality of first stretching members (L) arranged in the peripheral
direction on the peripheral surface of a drum (6) rotating in a machine direction
(M). A rotation element (7) rotating in the same direction of and in synchronization
with the drum (6) is provided on the rotation shaft (8) of the drum (6). A plurality
of second stretching members (U) respectively corresponding to the first stretching
members (L) are provided on the rotation element (7). Portions, facing in the
radial direction of the drum (6), of respectively corresponding first stretching
member (L) and second stretching member (U) are formed by protrusions (31, 41)
and recesses (32, 42) extending in parallel to the shaft (8) and alternately arranged
in the peripheral direction of the drum (6) to form a complementary shape meshing
detachably in the radial direction of the drum (6). At least one of the first stretching
member (L) and the second stretching member (U) is formed to be movable in the radial
direction of the drum (6).
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Inventors:
AKAGI, Kenichi (UNI-CHARM CORPORATION 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
赤木 健一 (〒02 香川県観音寺市豊浜町和田浜１５３１－７ ユニ・チャーム株式会社テクニカルセンター内 Kagawa, 7691602, JP)
赤木 健一 (〒02 香川県観音寺市豊浜町和田浜１５３１－７ ユニ・チャーム株式会社テクニカルセンター内 Kagawa, 7691602, JP)
Application Number:
JP2007/062105
Publication Date:
January 24, 2008
Filing Date:
June 15, 2007
Export Citation:
Assignee:
UNI-CHARM CORPORATION (182 Shimobun, Kinsei-cho Shikokuchuo-sh, Ehime 11, 7990111, JP)
ユニ・チャーム株式会社 (〒11 愛媛県四国中央市金生町下分１８２番地 Ehime, 7990111, JP)
AKAGI, Kenichi (UNI-CHARM CORPORATION 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
ユニ・チャーム株式会社 (〒11 愛媛県四国中央市金生町下分１８２番地 Ehime, 7990111, JP)
AKAGI, Kenichi (UNI-CHARM CORPORATION 1531-7, Wadahama, Toyohama-cho, Kanonji-sh, Kagawa 02, 7691602, JP)
International Classes:
D06C15/04; D04H1/70
Attorney, Agent or Firm:
SHIRAHAMA, Yoshiharu et al. (Shimbashi Towa Bldg, 13-8 Shimbashi 2-chom, Minato-ku Tokyo 04, 1050004, JP)
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