JPH0510998Y2 - - Google Patents
Info
- Publication number
- JPH0510998Y2 JPH0510998Y2 JP17010887U JP17010887U JPH0510998Y2 JP H0510998 Y2 JPH0510998 Y2 JP H0510998Y2 JP 17010887 U JP17010887 U JP 17010887U JP 17010887 U JP17010887 U JP 17010887U JP H0510998 Y2 JPH0510998 Y2 JP H0510998Y2
- Authority
- JP
- Japan
- Prior art keywords
- inner circumferential
- circumferential surface
- mold
- surface portion
- diameter hole
- 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 - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 description 19
- 239000000463 material Substances 0.000 description 8
- 238000005121 nitriding Methods 0.000 description 7
- 238000005242 forging Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 238000010273 cold forging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Forging (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17010887U JPH0510998Y2 (en, 2012) | 1987-11-09 | 1987-11-09 | |
| US07/218,248 US4939829A (en) | 1987-07-13 | 1988-07-13 | Method of and apparatus for manufacturing a gear |
| CA000571907A CA1294463C (en) | 1987-07-13 | 1988-07-13 | Method of and apparatus for manufacturing a gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17010887U JPH0510998Y2 (en, 2012) | 1987-11-09 | 1987-11-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0180239U JPH0180239U (en, 2012) | 1989-05-30 |
| JPH0510998Y2 true JPH0510998Y2 (en, 2012) | 1993-03-17 |
Family
ID=31460757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17010887U Expired - Lifetime JPH0510998Y2 (en, 2012) | 1987-07-13 | 1987-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0510998Y2 (en, 2012) |
-
1987
- 1987-11-09 JP JP17010887U patent/JPH0510998Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0180239U (en, 2012) | 1989-05-30 |
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