Expansion joint

Details Expansion joint Expansion joint

1977-12-06

1980-12-30

Arola, Dave W.

Pipe joints or couplings

Flexible joint, rigid members

Bellows

285423, F16L 5102

Patent

active

042419441

ABSTRACT:
A high-pressure, high temperature expansion joint having superior physical characteristics and susceptible of economical manufacture. The joint comprises inner and outer covering layers of elastomeric material and a body which includes at least one layer of a bias-cut fabric and at least one outer supporting layer formed of a helically-wound strip of elastomeric material with a plurality of parallel reinforcing strands running longitudinally through the strip. The joint is formed in a shallow or flowing arch configuration which does not trap particulate materials in a fluid stream, and obviates the need for a filler piece.

REFERENCES:
patent: 2998986 (1961-09-01), Buono
patent: 3051512 (1962-08-01), Cranston
patent: 3359014 (1969-12-01), Clements
patent: 3500869 (1970-03-01), Skoggard et al.
patent: 3552776 (1971-01-01), Leymann
patent: 3580616 (1971-05-01), Merkwacz
patent: 3799825 (1974-03-01), Champleboux et al.
patent: 3979142 (1976-09-01), Fujisawa
patent: 4023834 (1977-05-01), Ewing

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