Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PROCESS AND DEVICE FOR PRODUCING STRETCHABLE SHEET
Document Type and Number:
WIPO Patent Application WO/2010/082520
Kind Code:
A1
Abstract:
A process for producing a stretchable sheet, which comprises: preparing a pair of gear rolls that rotate in given rotating directions while engaging the multiple teeth disposed on the periphery of one roll with the multiple teeth disposed on the periphery of the other; and passing a sheet through the nip between the pair of gear rolls to thereby stretch the sheet in the respective rotating directions of the gear rolls by means of the teeth.  In the tip of each tooth, the corner located downstream in the rotating direction has been beveled more than the upstream corner.

Inventors:
AKAKI KENICHI (JP)
MATSUMOTO YOSHIHIKO (JP)
Application Number:
PCT/JP2010/050071
Publication Date:
July 22, 2010
Filing Date:
January 06, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
UNI CHARM CORP (JP)
AKAKI KENICHI (JP)
MATSUMOTO YOSHIHIKO (JP)
International Classes:
D06C3/00; B29C53/28; B29C55/18; D04H1/736
Domestic Patent References:
WO2008078533A12008-07-03
Foreign References:
JP2008081849A2008-04-10
JP2003073967A2003-03-12
JPH0638154Y21994-10-05
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
All international patent business corporation (JP)
Download PDF: