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| United States Patent |
6,429,403
|
|
Nakayama
|
August 6, 2002
|
Supporting grid welding apparatus
Abstract
A supporting grid welding apparatus including a welding chamber configured
to encase a supporting grid, at least one laser device disposed outside of
the welding chamber, and a drive device configured to move the welding
chamber independently from said supporting grid.
| Inventors:
|
Nakayama; Kimio (Naka-gun, JP)
|
| Assignee:
|
Mitsubishi Nuclear Fuel Co., Ltd. (Naka-gun, JP)
|
| Appl. No.:
|
492275 |
| Filed:
|
January 27, 2000 |
Foreign Application Priority Data
| Jan 27, 1999[JP] | 11-019134 |
| Current U.S. Class: |
219/121.82; 219/121.63 |
| Intern'l Class: |
B23K 026/22 |
| Field of Search: |
219/121.63,121.64,121.82,121.86
|
References Cited
U.S. Patent Documents
| 5221515 | Jun., 1993 | Thiebaut et al. | 219/121.
|
| 5726418 | Mar., 1998 | Duthoo | 219/121.
|
| 5808271 | Sep., 1998 | Duthoo | 219/121.
|
| Foreign Patent Documents |
| 2000-214285 | Aug., 2000 | JP.
| |
Other References
U.S. patent application Ser. No. 09/476,084, filed Jan. 3, 2000, pending.
U.S. patent application Ser. No. 09/167,604, filed Oct. 7, 1998.
|
Primary Examiner: Evans; Geoffrey S.
Attorney, Agent or Firm: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
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