Manufacturing method of metal bellows

Details Manufacturing method of metal bellows Manufacturing method of metal bellows

1994-02-28

1995-10-31

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Assembling or joining

298972, 72369, B23P 1700

Patent

active

054617677

ABSTRACT:
In manufacturing a metal bellows of high rigidity by using relatively simple equipment, a plurality of annular concavities are formed around the outer periphery of an unprocessed tube to form an intermediate product. Then, a core iron is inserted into the intermediate product while the annular concavities around the outer periphery are braced. Subsequently, the intermediate product is pressed in its axial direction to be formed into the metal bellows.

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M. Namaura, Nikkan Kogygo Shinbun Publication, "Working Method of Piping", p. 96.
Patent Abstracts of Japan, vol. 16, No. 474 (M-1319) 2 Oct. 1992 (JP-A-04 172 132).
Patent Abstracts of Japan, vol. 13, No. 163 (M-816) 19 Apr. 1989 (JP-A-64 002 733).

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