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Because of elastic deformation of the reduced portion, the second valve is capable of radial deformation. The patent includes 42 drawings.
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## Rohm & Haas on track Rohm and Haas affirmed that it is on track to achieve its target of US$300 million lower operating rate, overall sales growth of 4-5%
This invention relates to high-pressure, female couplings for sub-sea use in oil and gas exploration and production applications. An annular cavity in the wall of the probe seal is open to the outer surface of the (generally) ring-shaped probe seal. Hydraulic fluid, under pressure, enters the annula
Applicant: Mahle Metal Leve S/a, Brazil This patent describes a piston ring, particularly devised for use in internal combustion engines or compressors. It consists of a metallic base to which is applied -by physical vapour deposition -a coating of chromium nitride that has a periodicity (P), formed