Method for adjusting specific quality characteristics and...

Details Method for adjusting specific quality characteristics and... Method for adjusting specific quality characteristics and...

2004-08-13

2009-11-03

Williams, Hezron (Department: 2856)

Measuring and testing

With fluid pressure

Pipe

Reexamination Certificate

active

07610796

ABSTRACT:
The invention relates to a method for adjusting specific quality characteristics and/or properties of pipes (1) by means of a pressure test, especially for steel pipes of pipe conduits for combustible media. According to said method, in addition to the water volume required for the pressure test according to DIN EN 10208 part 2, an additional water volume (12) is filled into every single pipe (1) with the proviso that the pipe material is slightly subjected to plastic stress.

REFERENCES:
patent: 1870009 (1932-08-01), Huet
patent: 2667136 (1954-01-01), Singer et. al.
patent: 3303680 (1967-02-01), Thielsch
patent: 4130925 (1978-12-01), Gibson
patent: 5303570 (1994-04-01), Kaiser
patent: 5737953 (1998-04-01), Allison et al.
patent: 5953945 (1999-09-01), Horton
patent: 6601423 (2003-08-01), Peterson

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