JPH0438939Y2 - - Google Patents
Info
- Publication number
- JPH0438939Y2 JPH0438939Y2 JP18221287U JP18221287U JPH0438939Y2 JP H0438939 Y2 JPH0438939 Y2 JP H0438939Y2 JP 18221287 U JP18221287 U JP 18221287U JP 18221287 U JP18221287 U JP 18221287U JP H0438939 Y2 JPH0438939 Y2 JP H0438939Y2
- Authority
- JP
- Japan
- Prior art keywords
- chisel
- sand
- dog
- vibrating tool
- frame
- 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
Links
- 239000004576 sand Substances 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 8
- 238000013459 approach Methods 0.000 description 8
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18221287U JPH0438939Y2 (enrdf_load_stackoverflow) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18221287U JPH0438939Y2 (enrdf_load_stackoverflow) | 1987-11-30 | 1987-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0184867U JPH0184867U (enrdf_load_stackoverflow) | 1989-06-06 |
| JPH0438939Y2 true JPH0438939Y2 (enrdf_load_stackoverflow) | 1992-09-11 |
Family
ID=31473663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18221287U Expired JPH0438939Y2 (enrdf_load_stackoverflow) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438939Y2 (enrdf_load_stackoverflow) |
-
1987
- 1987-11-30 JP JP18221287U patent/JPH0438939Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0184867U (enrdf_load_stackoverflow) | 1989-06-06 |
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