Claims
- 1. An apparatus for removing a defectively joined portion of a pair of joined metal blocks previously pressed together in a continuous hot pressing process, said apparatus comprising:a pair of upper and lower rotating cutters for shaving and removing the defectively joined portion of the metal blocks; and a cooling nozzle for ejecting a cooling medium at one or more positions of a region which extends from an input side to an output side of said upper and lower rotating cutters.
- 2. The apparatus, according to claim 1, further comprising means for controlling the upper and lower rotating cutters at a circumferential speed of 50-120 m/s.
- 3. The apparatus according to claim 1, further comprising controlling means for tracking a joined portion of the metal blocks, and means for controlling the cutting by the upper and lower rotating cutters according to a tracked state of the metal blocks.
- 4. The apparatus according to claim 1, wherein said cooling nozzle is arranged on an upstream side of the upper and lower rotating cutters, and operative to cool the defectively joined portion to a temperature of 1,200° C. or less.
- 5. The apparatus according to claim 1, wherein said cooling nozzle is arranged on a downstream side of the upper and lower rotating cutters, and operative to cool the surface of the joined portion to a temperature of about 600° C.
Priority Claims (3)
Number |
Date |
Country |
Kind |
5-167362 |
Jun 1993 |
JP |
|
5-169850 |
Jun 1993 |
JP |
|
5-275515 |
Nov 1993 |
JP |
|
Parent Case Info
This is a division of application U.S. Ser. No. 08/946,554, filed on Oct. 7, 1997, now U.S. Pat. No. 6,152,352 div. of Ser. No. 08/387,788 Feb. 15, 1995 now U.S. Pat. No. 5,753,894 which is 371 of PCT/JP94/00968 filed Jun. 15, 1994.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5509600 |
Okada et al. |
Apr 1996 |
A |
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