JPH0290781U - - Google Patents
Info
- Publication number
- JPH0290781U JPH0290781U JP16775088U JP16775088U JPH0290781U JP H0290781 U JPH0290781 U JP H0290781U JP 16775088 U JP16775088 U JP 16775088U JP 16775088 U JP16775088 U JP 16775088U JP H0290781 U JPH0290781 U JP H0290781U
- Authority
- JP
- Japan
- Prior art keywords
- thread hole
- injection molding
- metal powder
- looper
- worn
- 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.)
- Granted
Links
- 238000001746 injection moulding Methods 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- 229910001111 Fine metal Inorganic materials 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000009958 sewing Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Powder Metallurgy (AREA)
- Sewing Machines And Sewing (AREA)
Description
第１図〜第３図は本考案の第１の実施例を示す
図、第４図は第２の実施例を示す図、第５図及び
第６図は第３の実施例を示す図、第７図及び第８
図は従来例を示す図である。 ４……糸穴部、７……成形体、５，８，９……
糸穴パイプ。
図、第４図は第２の実施例を示す図、第５図及び
第６図は第３の実施例を示す図、第７図及び第８
図は従来例を示す図である。 ４……糸穴部、７……成形体、５，８，９……
糸穴パイプ。
Claims (1)
- バインダーを混練した金属微粉末を基に射出成
形及び焼結の工程を経て形成される金属粉末射出
成形法による成形体であつて糸穴部に硬質材料よ
り成る予め仕上げられた糸穴パイプを嵌着したこ
とを特徴とするミシン用のルーパー。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16775088U JPH0530702Y2 (ja) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16775088U JPH0530702Y2 (ja) | 1988-12-27 | 1988-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0290781U true JPH0290781U (ja) | 1990-07-18 |
| JPH0530702Y2 JPH0530702Y2 (ja) | 1993-08-05 |
Family
ID=31456325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16775088U Expired - Lifetime JPH0530702Y2 (ja) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0530702Y2 (ja) |
-
1988
- 1988-12-27 JP JP16775088U patent/JPH0530702Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0530702Y2 (ja) | 1993-08-05 |
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