METHOD OF DETERMINING QUALITY OF SOLDERED PIPES Russian patent published in 2004 - IPC

Abstract RU 2238531 C1

FIELD: investigating fluid-tightness of structures.

SUBSTANCE: method comprises testing a pipe by applying alternative inner pressure p=±0.1 MPa for 15-20 s. The criterion of quality is the number of cycles before destroying.

EFFECT: enhanced reliability.

3 dwg

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RU 2 238 531 C1

Authors

Borovushkin I.V.

Dates

2004-10-20—Published

2003-04-09—Filed