CN204749670U - Sword is unsealed for book bag of cockscomb structure to cutting edge - Google Patents
Sword is unsealed for book bag of cockscomb structure to cutting edge Download PDFInfo
- Publication number
- CN204749670U CN204749670U CN201520432224.XU CN201520432224U CN204749670U CN 204749670 U CN204749670 U CN 204749670U CN 201520432224 U CN201520432224 U CN 201520432224U CN 204749670 U CN204749670 U CN 204749670U
- Authority
- CN
- China
- Prior art keywords
- cutting edge
- cutter body
- knife
- blade
- cutter
- 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.)
- Expired - Fee Related
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Abstract
In the various large -scale examination of country, province's tissue, the invigilator teacher is usually required the paper bag with sealed to open, and common way is riped the department of unsealing with the knife, often can make mistakes under limited time and atmosphere, has brought very big inconvenience for the supervisor like this. Unseal the travelling comfort of paper for the improvement, created this device. Sword is unsealed for book bag of cockscomb structure to cutting edge, by handle of a knife (1), cutter body (2) and cutting edge on cutter body (2) constitutes its characterized in that: cutter body (2) constitute " Y " shape by the long cutter body (3) and the short sword body (4), the cutting edge of cutter body (2) is in " Y " appears insidely, the blunt physique that is equipped with the button head is all fixed by the knife tip department of long cutter body (3) and the short sword body (4). The cutting edge of long cutter body (3) is the cockscomb structure cutting edge.
Description
Technical field
This device belongs to exam tools field, and to be a kind of blade be specifically, and cutter sealed off by jagged volume bag.
Background technology
In country, economize in the various examinations of tissue, invigilator teacher is usually required sealed test papers bag to open, common way opening place is scratched with pocket knife, often scratches tongue in paper or volume bag, bring great inconvenience like this to supervisor's work under limited time and atmosphere.In order to improve the comfortableness of sealing off paper, having created a kind of blade is that cutter sealed off by jagged volume bag.
Utility model content
The technical characteristic that this device adopts is as follows.
Blade is that cutter sealed off by jagged volume bag, is made up of, it is characterized in that: described cutter hub (2) forms " Y " shape by rimmer knife body (3) and short sword body (4) the blade on handle of a knife (1), cutter hub (2) and described cutter hub (2); The blade of described cutter hub (2) is inner described " Y " shape; The point of a knife place of described rimmer knife body (3) and short sword body (4) is all fixed with the obtuse body of round end.
The width of described rimmer knife body (3) is about 5mm, and its length is 5 ~ 10cm.
The width of described short sword body (4) is about 3mm, and its length is 1 ~ 5cm.
The round end obtuse body physical dimension at the point of a knife place of described rimmer knife body (3) and short sword body (4) is about 4mm.
Described round end obtuse body is spherical.
The blade of described rimmer knife body (3) is serrated edge.
Described short sword body (4) can for not having the cylinder of blade yet.
Accompanying drawing explanation
Accompanying drawing 1: blade is the structure chart that cutter sealed off by jagged volume bag.
Each component names in figure: 1-handle of a knife, 2-cutter hub, 3-rimmer knife body, 4-short sword body.
Detailed description of the invention
Blade is that cutter sealed off by jagged volume bag, is made up of, it is characterized in that: described cutter hub 2 forms " Y " shape by rimmer knife body 3 and short sword body 4 blade on handle of a knife 1, cutter hub 2 and described cutter hub 2; The blade of described cutter hub 2 is inner described " Y " shape; The point of a knife place of described rimmer knife body 3 and short sword body 4 is all fixed with the obtuse body of round end.
The width of described rimmer knife body 3 is about 5mm, and its length is 5 ~ 10cm.
The width of described short sword body 4 is about 3mm, and its length is 1 ~ 5cm.
The round end obtuse body physical dimension at the point of a knife place of described rimmer knife body 3 and short sword body 4 is about 4mm.
Described round end obtuse body is spherical.
The blade of described rimmer knife body 3 is serrated edge.
Described short sword body 4 can for not having the cylinder of blade yet.
Claims (6)
1. blade is that cutter sealed off by jagged volume bag, is made up of, it is characterized in that: described cutter hub (2) forms " Y " shape by rimmer knife body (3) and short sword body (4) the blade on handle of a knife (1), cutter hub (2) and described cutter hub (2); The blade of described cutter hub (2) is inner described " Y " shape; The point of a knife place of described rimmer knife body (3) and short sword body (4) is all fixed with the obtuse body of round end.
2. blade according to claim 1 is that cutter sealed off by jagged volume bag, it is characterized in that: the width of described rimmer knife body (3) is about 5mm, and its length is 5 ~ 10cm.
3. blade according to claim 1 is that cutter sealed off by jagged volume bag, it is characterized in that: the width of described short sword body (4) is about 3mm, and its length is 1 ~ 5cm.
4. blade according to claim 1 is that cutter sealed off by jagged volume bag, it is characterized in that: the round end obtuse body physical dimension at the point of a knife place of described rimmer knife body (3) and short sword body (4) is about 4mm.
5. blade according to claim 1 is that cutter sealed off by jagged volume bag, it is characterized in that: described round end obtuse body is spherical.
6. blade according to claim 1 is that cutter sealed off by jagged volume bag, it is characterized in that: the blade of described rimmer knife body (3) is serrated edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432224.XU CN204749670U (en) | 2015-06-23 | 2015-06-23 | Sword is unsealed for book bag of cockscomb structure to cutting edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432224.XU CN204749670U (en) | 2015-06-23 | 2015-06-23 | Sword is unsealed for book bag of cockscomb structure to cutting edge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204749670U true CN204749670U (en) | 2015-11-11 |
Family
ID=54464419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520432224.XU Expired - Fee Related CN204749670U (en) | 2015-06-23 | 2015-06-23 | Sword is unsealed for book bag of cockscomb structure to cutting edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204749670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859349A (en) * | 2015-06-23 | 2015-08-26 | 沈向安 | Examination paper bag unsealing knife with serrate edge |
-
2015
- 2015-06-23 CN CN201520432224.XU patent/CN204749670U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859349A (en) * | 2015-06-23 | 2015-08-26 | 沈向安 | Examination paper bag unsealing knife with serrate edge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20180623 |