Title:
WEB TENSIONING DEVICE
Document Type and Number:
Japanese Patent JP2003012206
Kind Code:
A
Abstract:
To provide a device for tensioning a web such as a plastic web supplied from a shuttle of a wrapping machine.
The wrapping machine has an endless track disposed around an article to be wrapped, and the shuttle supplies the web while moving on the track. The speed of supplying the web is changed with the shuttle moves around the machine, and dependent on the shape of the track and the shape of the article to be wrapped. This web tensioning device keeps constant tension in the web, and has a pair of rollers covered by elastic material. The rollers are pressed with each other to form a nip, and the elastic material is pressed into the nip. The web is supplied between the nip of the rollers.
Inventors:
COOK PETER WILLIAM
BRUNNING CHRISTOPHER
BRUNNING CHRISTOPHER
Application Number:
JP2002117857A
Publication Date:
January 15, 2003
Filing Date:
April 19, 2002
Export Citation:
Assignee:
ITW LTD
International Classes:
B65B25/14; B65B11/00; B65B11/02; B65B25/24; B65B41/16; B65H18/00; B65H23/10; B65H27/00; (IPC1-7): B65H23/10; B65B11/02; B65B25/14; B65B41/16; B65H27/00
Attorney, Agent or Firm:
Takashi Ishida (4 others)
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