CN200963998Y - Graduation curve board - Google Patents
Graduation curve board Download PDFInfo
- Publication number
- CN200963998Y CN200963998Y CN 200620005193 CN200620005193U CN200963998Y CN 200963998 Y CN200963998 Y CN 200963998Y CN 200620005193 CN200620005193 CN 200620005193 CN 200620005193 U CN200620005193 U CN 200620005193U CN 200963998 Y CN200963998 Y CN 200963998Y
- Authority
- CN
- China
- Prior art keywords
- curve
- french
- curves
- calibration
- utility
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model is a French curve with calibration, relating to a French curve for stationery. The existing French curve does not have calibration, therefore can not draw two same curves. As French curves are not allowed to have a top side and an inverse side, having calibration on one side is impossible. The utility model is composed by mutually affixed two same French curves. Firstly, two same French curves are made; then, one of the two French curves is printed with measurement and line segment marks; finally, the two French curves are pressed and affixed together by gelatinizer, and thereby form a French curve with calibration. The utility model maintains the principle that French curves can not be divided into a top side and an inverse side, because the measurement mark is printed on the middle of the French curve; the utility model can draw same curves; moreover, the measurement mark can permanently keep clear.
Description
Affiliated technical field:
The utility model relates to stationery, is the plastics curve ruler that trace is used.
Background technology:
At present, the curve ruler that trace is used, after drawing a curve, the identical therewith curve that can't draw again needs marking on curve ruler if draw same curve.Because curve ruler does not allow positive and negative, therefore can not scale be arranged in the one side of curve ruler.
The utility model content:
The calibration curve plate is to be bonded by two curve rulers, and two identical curve rulers of processing print the size sign on a curve ruler earlier, at the different line segment sign of each curved section seal, is close to two curve rulers bonding with glue then.
The effect of calibration curve plate:
The size sign still keeps curve ruler not have the branch of positive and negative in the middle of curve ruler; Know curved section and terminus, the same curve of just can drawing; Therefore the size sign can keep forever clear in the middle of curve ruler.
Description of drawings:
Fig. 1 calibration curve plate front view
Fig. 2 calibration curve plate side view
The specific embodiment:
Be described in detail below now in conjunction with the accompanying drawings the utility model being given.
Calibration curve plate (1) is made up of two identical curve rulers, be that upper curve plate (2) and lower curve plate (3) are pasted combination, be printed with size sign and line segment sign on the upper curve plate, coating adhesive on the lower curve plate, curve ruler is extrusion bonded up and down then, and size sign and line segment sign are between two curve rulers.
Claims (1)
1, a kind of calibration curve plate is made up of two identical curve rulers, it is characterized in that, size sign and line segment sign are arranged on the curve ruler, and it is bonding that two blocks of same curve plates overlay, and size sign and line segment sign are between two curve rulers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620005193 CN200963998Y (en) | 2006-01-20 | 2006-01-20 | Graduation curve board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620005193 CN200963998Y (en) | 2006-01-20 | 2006-01-20 | Graduation curve board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200963998Y true CN200963998Y (en) | 2007-10-24 |
Family
ID=38868008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620005193 Expired - Fee Related CN200963998Y (en) | 2006-01-20 | 2006-01-20 | Graduation curve board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200963998Y (en) |
-
2006
- 2006-01-20 CN CN 200620005193 patent/CN200963998Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20120120 |