JPH0336800U - - Google Patents
Info
- Publication number
- JPH0336800U JPH0336800U JP9778889U JP9778889U JPH0336800U JP H0336800 U JPH0336800 U JP H0336800U JP 9778889 U JP9778889 U JP 9778889U JP 9778889 U JP9778889 U JP 9778889U JP H0336800 U JPH0336800 U JP H0336800U
- Authority
- JP
- Japan
- Prior art keywords
- notch
- cutting blade
- cutting
- punching
- bent portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 claims 3
- 239000010959 steel Substances 0.000 claims 3
- 230000007704 transition Effects 0.000 claims 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
図は本考案の実施例を示し、第１図は第１の実
施例に係る切り刃の要部斜視図、第２図は第２の
実施例に係る切り刃の要部斜視図、第３図イは第
３の実施例に係る切り刃の要部斜視図、同図ロは
同図イ中の・線に沿つた断面図、第４図は従
来例の切り刃を手作業により略々完全に仕上げた
状態を仮想的に示す斜視図、第５図は第４図中の
−線に沿つた断面図、第６図イは従来例の要
部側面図、第６図ロは同じくその一部拡大側面図
、第７図は従来例の斜視図、第８図は同じく従来
例の別の状態を示した側面図、である。
１０……刃先部、２０……屈曲部、３０……直
線部、４０，５０，６０……切欠き。
The figures show embodiments of the present invention, and FIG. 1 is a perspective view of the main parts of the cutting blade according to the first embodiment, FIG. 2 is a perspective view of the main parts of the cutting blade according to the second embodiment, and FIG. Figure A is a perspective view of the main parts of the cutting blade according to the third embodiment, Figure B is a cross-sectional view taken along the line . FIG. 5 is a sectional view taken along the - line in FIG. 4, FIG. 6 A is a side view of the main part of the conventional example, and FIG. 6 B is the same. FIG. 7 is a partially enlarged side view, FIG. 7 is a perspective view of the conventional example, and FIG. 8 is a side view of the conventional example in another state. 10... Cutting edge portion, 20... Bent portion, 30... Straight portion, 40, 50, 60... Notch.
Claims (1)
を略々Ｕ字状に曲げて屈曲部と、これに連なる２
つの直線部とを有する切り刃において、前記屈曲
部に対応する部位の帯鋼板他端縁に切欠きが設け
てあることを特徴とする紙器等の打抜き用切り刃
。 ２ 前記切欠きが段状であることを特徴とする請
求項１に記載の紙器等の打抜き用切り刃。 ３ 前記切欠きが、前記直線部から当該屈曲部へ
の移行域よりＵ字状の先端へ向い漸次大きく切除
されテーパー状を呈していることを特徴とする請
求項１に記載の紙器等の打抜き用切り刃。 ４ 前記切欠きが、前記他端縁から前記一端縁に
向い漸次先細りとなる円錐形に前記帯鋼板を削成
したものであることを特徴とする請求項１に記載
の紙器等の打抜き用切り刃。[Claims for Utility Model Registration] 1. A steel strip of a constant width with a cutting edge formed at one end thereof is bent into a substantially U-shape to form a bent portion, and 2.
1. A cutting blade for punching paper containers, etc., characterized in that the cutting blade has two straight portions, and a notch is provided on the other edge of the steel strip at a portion corresponding to the bent portion. 2. The cutting blade for punching paper containers, etc. according to claim 1, wherein the notch is stepped. 3. The punching of a paper container or the like according to claim 1, wherein the notch is tapered by gradually increasing its size from the transition area from the straight portion to the bent portion toward the tip of the U-shape. Cutting blade for use. 4. The cutout for punching paper containers, etc. according to claim 1, wherein the notch is formed by cutting the steel band plate into a conical shape that gradually tapers from the other end edge to the one end edge. blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9778889U JPH0336800U (en) | 1989-08-21 | 1989-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9778889U JPH0336800U (en) | 1989-08-21 | 1989-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0336800U true JPH0336800U (en) | 1991-04-10 |
Family
ID=31646918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9778889U Pending JPH0336800U (en) | 1989-08-21 | 1989-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336800U (en) |
-
1989
- 1989-08-21 JP JP9778889U patent/JPH0336800U/ja active Pending