PIPING SPRING FOR PRESSURE GAUGE Russian patent published in 2005 - IPC

FIELD: instrument industry.

SUBSTANCE: piping spring has invariable longitudinal section, eight-shaped cross-section, and wall thickenings at the sites of smooth conjugating of the side and intermediate sections. The intermediate and side sections of the cross-section has invariable wall thickness. The straights which confine the outer surface of the cross-section at the sites of conjugation of the intermediate and side sections are parallel to the great axis of the cross-section. The pipe wall thickness variations and minimum value of the pipe wall thickness for all conjugation sections are the same.

EFFECT: enhanced sensibility.

2 dwg