Title:
安全刃
Document Type and Number:
Japanese Patent JP6924075
Kind Code:
B2
Abstract:
To provide a safe blade having a shape which prevents even a user who unintentionally touches the blade from getting injured, and enabling making an appearance beautiful when sticking a tape cut by making a cut surface of the tape roughly linear.SOLUTION: A safe blade comprises a thin plate-like roughly rectangular base part, and a cutting part comprising a saw blade which is cut on one side of the base part and where a large number of protrusions and recesses for cutting a tape alternately continue. The cutting part has a cross section inverted V-shaped triangular shape so as to put the tip of each of the protrusions constituting the saw blade of the cutting part in a sharp shape, and suppress excessive protrusion each of the protrusions. Saw blade forming grooves comprising a plurality of recesses are cut at an equal interval in a fixed depth from an inclined plane on one inclined plane of the triangular shape so as to form the saw blade comprising the plurality of protrusions continuously provided on a head top, and the cutting part is formed by cutting so that the tip each of the protrusions has a flush linear shape.SELECTED DRAWING: Figure 1
Inventors:
Junji Saikawa
Application Number:
JP2017111286A
Publication Date:
August 25, 2021
Filing Date:
June 06, 2017
Export Citation:
Assignee:
Ect Co., Ltd.
International Classes:
B26D1/02; B65H35/07
Domestic Patent References:
| JP2014201443A |
Foreign References:
| WO2014073552A1 |
Attorney, Agent or Firm:
Fumihiko Hirose