JPS4921232A - - Google Patents
Info
- Publication number
- JPS4921232A JPS4921232A JP8705972A JP8705972A JPS4921232A JP S4921232 A JPS4921232 A JP S4921232A JP 8705972 A JP8705972 A JP 8705972A JP 8705972 A JP8705972 A JP 8705972A JP S4921232 A JPS4921232 A JP S4921232A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
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
- B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
- B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722237396 DE2237396C2 (de) | 1972-07-29 | 1972-07-29 | Ellipsen-Zeichengerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4921232A true JPS4921232A (enrdf_load_stackoverflow) | 1974-02-25 |
| JPS527380B2 JPS527380B2 (enrdf_load_stackoverflow) | 1977-03-02 |
Family
ID=5852108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8705972A Expired JPS527380B2 (enrdf_load_stackoverflow) | 1972-07-29 | 1972-08-30 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS527380B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2237396C2 (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5170106A (ja) * | 1974-12-16 | 1976-06-17 | Nippon Oil Seal Ind Co Ltd | Shoketsuzairyono seizoho |
| JPS5647502A (en) * | 1979-09-26 | 1981-04-30 | Janome Sewing Mach Co Ltd | Manufacture of sintered aluminum parts |
| JPS6299081A (ja) * | 1985-10-23 | 1987-05-08 | Hitachi Powdered Metals Co Ltd | 焼結機械部品の表面仕上げ方法 |
| US6484406B1 (en) | 1998-08-26 | 2002-11-26 | Alterra Holdings Corporation | Hand-held cutting devices |
| US8091583B2 (en) | 2005-06-16 | 2012-01-10 | Raval A.C.S. Ltd. | Double check valve for a fuel system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59196179U (ja) * | 1983-06-15 | 1984-12-27 | 住江織物株式会社 | 視覚障害者誘導用カ−ペツト |
| JPS61215753A (ja) * | 1985-03-22 | 1986-09-25 | ダイニツク株式会社 | 積層不織シ−ト材および成形体 |
| JPS6211406A (ja) * | 1985-07-08 | 1987-01-20 | 忠見 佳彦 | タイルカ−ペツト |
| FR2608513A1 (fr) * | 1986-12-18 | 1988-06-24 | Chevillard Bernard | Trace-ellipses |
-
1972
- 1972-07-29 DE DE19722237396 patent/DE2237396C2/de not_active Expired
- 1972-08-30 JP JP8705972A patent/JPS527380B2/ja not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5170106A (ja) * | 1974-12-16 | 1976-06-17 | Nippon Oil Seal Ind Co Ltd | Shoketsuzairyono seizoho |
| JPS5647502A (en) * | 1979-09-26 | 1981-04-30 | Janome Sewing Mach Co Ltd | Manufacture of sintered aluminum parts |
| JPS6299081A (ja) * | 1985-10-23 | 1987-05-08 | Hitachi Powdered Metals Co Ltd | 焼結機械部品の表面仕上げ方法 |
| US6484406B1 (en) | 1998-08-26 | 2002-11-26 | Alterra Holdings Corporation | Hand-held cutting devices |
| US6668461B2 (en) | 1998-08-26 | 2003-12-30 | Alterra Holdings Corporation | Hand-held cutting device |
| US8091583B2 (en) | 2005-06-16 | 2012-01-10 | Raval A.C.S. Ltd. | Double check valve for a fuel system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS527380B2 (enrdf_load_stackoverflow) | 1977-03-02 |
| DE2237396C2 (de) | 1974-07-18 |
| DE2237396A1 (enrdf_load_stackoverflow) | 1973-12-06 |
| DE2237396B1 (de) | 1973-12-06 |