JPS4941451A - - Google Patents
Info
- Publication number
- JPS4941451A JPS4941451A JP8612672A JP8612672A JPS4941451A JP S4941451 A JPS4941451 A JP S4941451A JP 8612672 A JP8612672 A JP 8612672A JP 8612672 A JP8612672 A JP 8612672A JP S4941451 A JPS4941451 A JP S4941451A
- 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.)
- Pending
Links
Landscapes
- Diaphragms And Bellows (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8612672A JPS4941451A (en) | 1972-08-30 | 1972-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8612672A JPS4941451A (en) | 1972-08-30 | 1972-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4941451A true JPS4941451A (en) | 1974-04-18 |
Family
ID=13877996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8612672A Pending JPS4941451A (en) | 1972-08-30 | 1972-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4941451A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53120040A (en) * | 1977-03-28 | 1978-10-20 | Nippon Oil Seal Ind Co Ltd | Diaphragm and manufacturing method thereof |
| JPS643370A (en) * | 1987-06-24 | 1989-01-09 | Nok Corp | Manufacture of diaphragm |
| US8033316B2 (en) | 2005-06-07 | 2011-10-11 | Sintokogio, Ltd. | Flask unit and cope-and-drag molding machine and line |
-
1972
- 1972-08-30 JP JP8612672A patent/JPS4941451A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53120040A (en) * | 1977-03-28 | 1978-10-20 | Nippon Oil Seal Ind Co Ltd | Diaphragm and manufacturing method thereof |
| JPS5854306B2 (en) * | 1977-03-28 | 1983-12-03 | エヌオーケー株式会社 | Diaphragm manufacturing method |
| JPS643370A (en) * | 1987-06-24 | 1989-01-09 | Nok Corp | Manufacture of diaphragm |
| US8033316B2 (en) | 2005-06-07 | 2011-10-11 | Sintokogio, Ltd. | Flask unit and cope-and-drag molding machine and line |
| US8033317B2 (en) | 2005-06-07 | 2011-10-11 | Sintokogio, Ltd. | Flask unit and cope-and-drag molding machine and line |