Title:
CUTTER FOR CUTTING PROCESS, SLOTTING DEVICE, AND BOX MAKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/198467
Kind Code:
A1
Abstract:
A cutter for cutting process, a slotting device, and a box making machine, wherein a slotting knife (80A) for cutting a groove in a cardboard sheet (S) through insertion of the same into a gap (103) provided in a slotting knife (82A) is provided with a cutter body (90) that forms an arc, a pair of flat faces (91) that are provided on both sides of the cutter body (90) in the thickness direction and that are parallel to each other, a pair of inclined faces (92) that are provided along the circumferential direction on the outer circumference portion of the cutter body (90) so that a recess (94) is formed in the center portion of the cutter body (90) in the thickness direction, and a pair of relief faces (93) that follow the circumferential direction and bend from the respective ends on the outer circumference sides of the pair of flat faces (91) toward the outside in the radial direction and toward the center portion of the cutter body (90) in the thickness direction.
Inventors:
MARUYAMA TAKASHI (JP)
Application Number:
PCT/JP2018/003755
Publication Date:
November 01, 2018
Filing Date:
February 05, 2018
Export Citation:
Assignee:
MITSUBISHI HEAVY IND MACH SYSTEMS LTD (JP)
International Classes:
B26D1/28; B31B50/20
Foreign References:
| JPS5798453U | 1982-06-17 | |||
| JP2003236762A | 2003-08-26 | |||
| JP2000141279A | 2000-05-23 | |||
| JP2013155749A | 2013-08-15 | |||
| JP2016150407A | 2016-08-22 | |||
| JP2005040997A | 2005-02-17 | |||
| JP2003071784A | 2003-03-12 | |||
| JP2002273689A | 2002-09-25 | |||
| GB945870A | 1964-01-08 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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