Method and apparatus for joining metal pieces using induction heating
US6218649A · kind A · utility
2Cited by
3References
2Claims
0Family size
Assignee
Inventors
- Shigeru Isoyama
- Takeshi Hirabayashi
- Hideyuki Nikaido
- Toshiaki Amagasa
- Nozomu Tamura
- Takahiro Yamasaki
- Masashi Osada
- Hirosuke Yamada
- Toshisada Takechi
- Norio Takashima
- Junzo Nitta
- Shuji Amanuma
- Kanji Hayashi
- Akio Kuroda
- Yoshiki Mito
- Kunio Miyamoto
- Kazuo Morimoto
- Ikuo Wakamoto
- Kazuya Tsurusaki
- Hideo Sakamoto
- Michio Hashimoto
- Hiroyuki Nakano
- Toshinobu Eguchi
- Fumihiro Maeda
Key dates
| Filing date | Jul 12, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Jul 12, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/18
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Method and apparatus for joining metal pieces using induction heating. Metal pieces to be joined are placed end-to-end with a gap between them and induction heated in the thickness portion. To maximize speed and even heating edge-to-edge of the ends, members of a magnetic substance are provided in a gap between the inductor and the piece to be heated, thereby enhancing local heating effect by increasing magnetic flux density. Once heated, the ends are pressed together end-to-end for joining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.