Measuring and testing – Fluid pressure gauge – U-tube liquid column
Patent
1981-06-12
1983-04-19
Woodiel, Donald O.
Measuring and testing
Fluid pressure gauge
U-tube liquid column
116323, G01L 718
Patent
active
043801730
ABSTRACT:
A roll-up type U-tube manometer of the type disclosed in Dwyer U.S. Pat. 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 arched 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.
REFERENCES:
patent: 646914 (1900-04-01), Peek
patent: 2662409 (1953-12-01), Dwyer
patent: 3529135 (1970-09-01), Rienecker
patent: 4297889 (1981-11-01), Buchanan et al.
Dwyer Instruments, Inc.
Woodiel Donald O.
LandOfFree
Roll-up type U-tube manometer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Roll-up type U-tube manometer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roll-up type U-tube manometer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-834357