Claims
- 1. A method of splicing together metal webs of different widths, comprising the steps of:
- positioning together the end portions of said metal webs in a butted or lapped manner, one of said webs being wider than another of said webs;
- welding the butted or lapped portions of said webs to form a welded portion and leaving a portion of said wider web unwelded;
- after said welding step, trimming the unwelded portion at the end of said one wider web in a tapered manner toward said welded portion; and
- rolling said welded portion by moving a roller in the width direction of said metal webs.
- 2. A method as set forth in claim 1, wherein said welded positioned portion is rolled and the edges on the two sides of said welded positioned portion are trimmed.
- 3. A method as set forth in claim 1, wherein the ends of said metal webs are pre-cut before they are spliced together.
- 4. A method as set forth in claim 1, wherein said welding comprises one of a TIG arc welding, an MIG arc welding, a gas welding, and a laser welding.
- 5. A method as set forth in claim 2, wherein said trimming treatment is carried out by one of laser cutting, and air plasma cutting.
Priority Claims (2)
Number |
Date |
Country |
Kind |
62-181894 |
Jul 1987 |
JPX |
|
62-257990 |
Oct 1987 |
JPX |
|
Parent Case Info
This is a continuation of application Ser. No. 07/221,492, filed July 19, 1988 now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (9)
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DEX |
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Apr 1979 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
7221492 |
Jul 1988 |
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