High pressure fitting

Details High pressure fitting High pressure fitting

1998-02-17

1999-11-02

Melius, Terry Lee

Pipe joints or couplings

For branched path

T-type

285179, 2852881, F16L 4100, F16L 4300, F16L 4700

Patent

active

059755903

ABSTRACT:
A high pressure fitting configured to be weldingly coupled to high pressure tubing is provided. The high pressure fitting and/or the tubing welded thereto may be chamfered to provided a smoother welded joint. The interior surface finish of the fitting is smoothed via an abrasive fluid flowed through the fitting's fluid passageway. In fittings comprising a corner, the inner edge of the corner may be rounded by forcibly flowing an abrasive fluid through the fitting. Electropolishing further smoothes the interior surfaces. The inventive fitting allows flow system tolerancing to be tightly controlled by determining a desired distance between two high pressure fittings to be coupled, and adjusting the desired distance by a welded length variable.

REFERENCES:
patent: 2157274 (1939-05-01), Williams
patent: 2555256 (1951-05-01), Tyson
patent: 4363504 (1982-12-01), DeFeo et al.
patent: 4969980 (1990-11-01), Yoshioka et al.
patent: 5890747 (1999-04-01), Brockhage

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