DE97668C - - Google Patents
Info
- Publication number
- DE97668C DE97668C DENDAT97668D DE97668DA DE97668C DE 97668 C DE97668 C DE 97668C DE NDAT97668 D DENDAT97668 D DE NDAT97668D DE 97668D A DE97668D A DE 97668DA DE 97668 C DE97668 C DE 97668C
- Authority
- DE
- Germany
- Prior art keywords
- involute
- base circle
- forms
- draftsman
- tangent
- 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.)
- Active
Links
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011089 mechanical engineering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/08—Non-circular-curve-drawing instruments for drawing involutes
Landscapes
- Sheet Holders (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE97668C true DE97668C (es) |
Family
ID=368698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT97668D Active DE97668C (es) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE97668C (es) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2923368A (en) * | 1955-06-13 | 1960-02-02 | Sun Oil Co | Method and apparatus for seismic prospecting |
| FR2556655A1 (fr) * | 1983-12-19 | 1985-06-21 | Menez Jean Michel | Traceur de developpante de cercle |
-
0
- DE DENDAT97668D patent/DE97668C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2923368A (en) * | 1955-06-13 | 1960-02-02 | Sun Oil Co | Method and apparatus for seismic prospecting |
| FR2556655A1 (fr) * | 1983-12-19 | 1985-06-21 | Menez Jean Michel | Traceur de developpante de cercle |
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