Claims
- 1. A method of manufacturing a radiation plate comprising forming a fin whereby a belt-like fin material is transferred by a pair of feed rollers, whereby a side edge of said fin material is deformed and expanded by a pair of groove forming rollers, and said fin material is cut at a desirable length by a cutter means, forming a base groove for the fin at a certain pitch on a base surface, and engaging the fin whereby the fin is held by a slit formed by a pair of plate-like pressure members, a side edge of the fin is pushed into the base groove by shifting a lift member, an outer portion of the base groove is deformed by a tapered pressure blade formed at a tip of a pair of the pressure members, and a part of the fin is engaged on the base groove.
Parent Case Info
This application is a divisional application of Ser. No. 08/194,995, filed Feb. 14, 1994, now abandoned.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
Country |
Parent |
194995 |
Feb 1994 |
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