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Title:
SLITTER DEVICE, SLITTER-HEAD POSITIONING METHOD, AND BOX MAKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/171895
Kind Code:
A1
Abstract:
A slitter device, a slitter-head positioning method, and a box making machine according to the present invention include: an upper rotary shaft and a lower rotary shaft that are supported so as to be able to rotate; an upper slitter head that is supported by the upper rotary shaft so as to be able to rotate therewith; a lower slitter head that is supported by the lower rotary shaft so as to be able to rotate therewith and that is disposed on one side of the upper slitter head in the axial direction of the lower rotary shaft; an upper movement device that can move the upper slitter head in the axial direction of the upper rotary shaft; a lower movement device that can move the lower slitter head in the axial direction of the lower rotary shaft; and a control device that causes one of the upper movement device and the lower movement device to move and position one of the upper slitter head and the lower slitter head to and at a preset cutting position and causes the other of the upper movement device and the lower movement device to move and position the other of the upper slitter head and the lower slitter head to and at a pressing position, where the other of the upper slitter head and the lower slitter head is pressed against the one of the upper slitter head and the lower slitter head.

Inventors:
SUZUKI YASUNARI (JP)
TANCHI MASAYOSHI (JP)
NADACHI MITSUHIRO (JP)
Application Number:
PCT/JP2021/003088
Publication Date:
September 02, 2021
Filing Date:
January 28, 2021
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND MACH SYSTEMS LTD (JP)
International Classes:
B26D1/24; B26D5/06; B26D7/22; B26D7/26
Domestic Patent References:
WO2019116578A12019-06-20
Foreign References:
JPS5579134A1980-06-14
JPH02124293A1990-05-11
JPS5683397A1981-07-07
JPH0259295A1990-02-28
JP2004330351A2004-11-25
JPH04201195A1992-07-22
Other References:
See also references of EP 4091780A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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