Title:
APPARATUS FOR CORRECTING MEANDERING OF CONTINUOUS SHEET FOR ABSORBENT PRODUCT
Document Type and Number:
WIPO Patent Application WO/2012/014733
Kind Code:
A1
Abstract:
Disclosed is an apparatus for correcting meandering, which comprises: a sensor (30) for detecting the position of an edge of a continuous sheet (3) in the width direction of the sheet (3); and a meandering connection section (50) for correcting meandering of the sheet (3) on the basis of a signal from the sensor (30). A detection section (33) of the sensor (30) is moved by a motor (44) to a stop position (PS, PM, PL) corresponding to the width-direction dimension of the sheet (3). For the purpose of this movement, the detection section (33) is first moved to a reference position (P0). At this position, a sensor head (31) abuts against a bearing member (45b), the load of the motor (44) increases, and the drive current of the motor (44) exceeds a threshold value (Id0). The motor (44) is reversely driven when this excess is detected. If a rotary encoder (47) connected to the motor (44) generates a suitable number of pulses, the detection section (33) reaches the stop position (PS, PM, PL). At this time, the motor (44) is stopped.
Inventors:
NAKANO TAKUMI (JP)
Application Number:
PCT/JP2011/066396
Publication Date:
February 02, 2012
Filing Date:
July 20, 2011
Export Citation:
Assignee:
UNI CHARM CORP (JP)
NAKANO TAKUMI (JP)
NAKANO TAKUMI (JP)
International Classes:
B65H23/038; A61F13/15; A61F13/49; B65H26/02
Foreign References:
| JPH0622682Y2 | 1994-06-15 | |||
| JP2004043179A | 2004-02-12 | |||
| JPS58124907A | 1983-07-25 |
Other References:
See also references of EP 2599740A4
None
None
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
All international patent business corporation (JP)
All international patent business corporation (JP)
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Claims:
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