| 发明名称 |
METHOD AND APPARATUS FOR MANUFACTURING FOR MANUFACTURING CASE OF FLEXIBLE MAGNETIC RECORDING DISC |
| 摘要 |
The jacket blanks punched out from a film web are folded to give jackets and then closed by spot welding with the aid of a wavy resistance belt, the welding temperature being produced for a short time by means of a current pulse in the resistance belt. |
| 申请公布号 |
JPS6231082(A) |
申请公布日期 |
1987.02.10 |
| 申请号 |
JP19860125966 |
申请日期 |
1986.06.02 |
| 申请人 |
BASF AG |
发明人 |
BERUNHARUTO RENTSU;NORUBERUTO HORU;DEIITORIHI GURIYUUN;KURUTO TSUBUINTSUSHIYAA |
| 分类号 |
G11B23/03;G11B23/033 |
主分类号 |
G11B23/03 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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