Metal expansion joint vibration absorber apparatus for pipe syst

Details Metal expansion joint vibration absorber apparatus for pipe syst Metal expansion joint vibration absorber apparatus for pipe syst

1994-11-21

1996-01-02

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Insulated

285226, 285286, 285300, 285906, F16L 1112

Patent

active

054801940

ABSTRACT:
The apparatus consists of three single integral sheet metal structures interconnected by weldings. The first structure is the bellows element. The second structure is an integral formed sheet metal part which forms the one flange element and simultaneously the protection sleeve element. The third structure is a further integral formed sheet metal part which forms the other flange element and simultaneously the pipe stub element in which the free end of the protection sleeve element is received. The flange elements are formed in that the sheet metal parts include a first and a second portion, whereby the respective second portions are folded back over the respective first portions and welded thereto.

REFERENCES:
patent: 1565254 (1925-12-01), Bystrom
patent: 2337038 (1943-12-01), Fentress
patent: 2712456 (1955-07-01), McCreery
patent: 2840394 (1958-06-01), Rohr
patent: 3298680 (1967-01-01), Jablin
patent: 3492030 (1970-01-01), Harrison et al.

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