Roll-up type u-tube manometer

Details Roll-up type u-tube manometer Roll-up type u-tube manometer

G - Physics

01

L

73/28

G01L 7/18 (2006.01)

Patent

CA 1177664

ROLL-UP TYPE U-TUBE MANOMETER Abstract of the Disclosure A roll-up type U-tube manometer of the type disclosed in Dwyer U. S. Patent No. 2,662,409, in which the manometer tubes are defined by a flexible elongate body that may be as long as ten feet or any desired length formed from a transparent flexible plastic material that is shaped to define the basic manometer tubes, the opposing side walls of which are integrally connected in spaced apart relation by a web, in which the body along the front side of same is formed adjacent the juncture of the respective tubes and the web with a pair of continuous flanges at similar flat angles relative to the web to overlie same and define along each tube an apex shaped slot, which slots and the web form a slideway between the tubes in which a scale in the form of a length of spring steel stripping of film thickness dimensions and a length approaching that of said body, that is arced convexly of the front surface of same, is slidably mounted with continuous engagement by the body with the scale along the scale side edges to uniformly hold the scale in its slideway along its length, wherein the scale has fixed to same adjacent the scale zero markers a finger hold knob for manual zero setting of the scale without having to reach for one end of the scale to shift same.

415661

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