JPS6253836B2 - - Google Patents
Info
- Publication number
- JPS6253836B2 JPS6253836B2 JP56195802A JP19580281A JPS6253836B2 JP S6253836 B2 JPS6253836 B2 JP S6253836B2 JP 56195802 A JP56195802 A JP 56195802A JP 19580281 A JP19580281 A JP 19580281A JP S6253836 B2 JPS6253836 B2 JP S6253836B2
- Authority
- JP
- Japan
- Prior art keywords
- frame
- pin
- pin plate
- mold
- string
- 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
- 238000000034 method Methods 0.000 claims description 14
- 230000013011 mating Effects 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000005266 casting Methods 0.000 description 13
- 239000013618 particulate matter Substances 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56195802A JPS5897091A (ja) | 1981-12-04 | 1981-12-04 | ピアノ用フレ−ムの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56195802A JPS5897091A (ja) | 1981-12-04 | 1981-12-04 | ピアノ用フレ−ムの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5897091A JPS5897091A (ja) | 1983-06-09 |
| JPS6253836B2 true JPS6253836B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-11-12 |
Family
ID=16347215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56195802A Granted JPS5897091A (ja) | 1981-12-04 | 1981-12-04 | ピアノ用フレ−ムの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5897091A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-12-04 JP JP56195802A patent/JPS5897091A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5897091A (ja) | 1983-06-09 |