Title:
CUTTING BLADE AND PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2020/188899
Kind Code:
A1
Abstract:
Provided is a cutting blade that is provided along a longitudinal direction of a packaging container accommodating a roll-shaped package and cuts off the package. The cutting blade has a central area in which a plurality of teeth are arranged and a pair of external areas in which a plurality of teeth are arranged outside the central area. Only the external areas have an outward tooth of which the tooth tip is directed outward. An outside oblique side of the outward tooth and an inside oblique side of an adjacent tooth arranged adjacent to the outside of the outward tooth are connected to each other by an arc, and the arc has a curvature radius (R1) of 0.3 mm or more and 1.3 mm or less. The cutting blade facilitates cutting of a package from a center and an end in a width direction and facilitates restoration during rewinding.
More Like This:
| JPH07329958 | WRAPPING FILM STORAGE BOX |
Inventors:
MATSUURA YUKO (JP)
SEKI TAKAYUKI (JP)
SEKI TAKAYUKI (JP)
Application Number:
PCT/JP2019/047022
Publication Date:
September 24, 2020
Filing Date:
December 02, 2019
Export Citation:
Assignee:
KUREHA CORP (JP)
International Classes:
B65D25/52; B65D5/72
Foreign References:
| JP2009132406A | 2009-06-18 | |||
| JPH068229U | 1994-02-01 | |||
| JP2014188652A | 2014-10-06 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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