Signals and indicators – Indicators – Fluid flow
Patent
1991-09-24
1993-09-14
Yasich, Daniel M.
Signals and indicators
Indicators
Fluid flow
277169, 359894, 422 55, G01L 2306, G02B 700
Patent
active
052439291
ABSTRACT:
A sanitary sight indicator for viewing the contents of a production process is provided. The sanitary sight indicator includes a body, an optical unit, and a sanitary connection between the body and the optical unit. The body includes a process-interfacing portion which is adapted to interface with the production process and an optical-interfacing portion which interfaces with the optical unit. The optical unit includes a viewing portion for viewing the contents of the production process and a body-interfacing portion which interfaces with the optical-interfacing portion of the body. The sanitary connection includes a sanitary gasket having a substantially flat annular portion, and first and second annular projections which are approximately semi-circular in cross-sectional shape and which extend outwardly from opposite sides of the annular portion. The sanitary connection further includes a sanitary gasket-groove in each of the optical unit-interfacing portion and the body-interfacing portion. Each of the sanitary-gasket grooves includes a flat surface supporting the flat annular portion of the sanitary gasket and a channel supporting one of the annular projections of the sanitary gasket. Such a sight indicator may be in the form of a "sight flow indicator" for installation in a process line or a "sight window" for installation on a process tank.
REFERENCES:
patent: 2503033 (1950-04-01), Engelmann
patent: 2681034 (1954-06-01), Mannion
patent: 2789844 (1957-04-01), Kessler
patent: 2817309 (1957-12-01), Wittlin
patent: 3185128 (1965-05-01), Moore et al.
patent: 3340890 (1967-09-01), Raskhodoff
patent: 3380303 (1968-04-01), Le Roy
patent: 4064826 (1977-12-01), Pauli
patent: 4441365 (1984-04-01), Schulz et al.
patent: 4961628 (1990-10-01), Herberts
"Ferrule Plate-PMH Air Pilot Float Control" Majonnier Bros. Co., 1 sheet, Apr. 7, 1978.
Metaglas brochure, Herberts Ubdystruegkas GmbH & Co. KG (4 pages).
"The Source" Clark-Reliance brochure, 1991, (4 pages).
Sight Flow Indicators by Jacoby-Tarbox, Clark Reliance brochure, 1990.
E-3-A Sanitary Standards for Fittings Used on Egg and Egg Products Equipment and Used on Sanitary Lines Conducting Egg and Egg Products, No. E-0800, Nov. 1971, Journal of Milk and Food Technology, vol. 34, No. 11, pp. 1-30.
Tentative Revisions of the 3-A Sanitary Standards for Fittings Used on Milk and Milk Products Equipment, No. T-08-21 Rev., Feb. 1991, pp. 1-9.
3-A Sanitary Standard for Sight and/or Light Windows . . . , T-08-22, Aug. 1991, 6 pages.
3-A Sanitary Standards for Flow Meters for Milk and Milk Products, No. 28-01 Dairy and Food Sanitation, Sep. 1988, pp.498-499.
E-3-A Sanitary Standards for Flow Meters for Liquid Egg Products, No. E-2800, pp. 457-459 (May 1979).
Part 2 of the 3-A Sanitary Standards for Fittings Used on Milk and Milk Products Equipment . . . , No. 08-17 Rev., formulated by Int. Assoc. of Milk, Food & Environmental Sanitarians, US Public Health Service.
Brown David E.
Purcel David E.
Clark-Reliance Corporation
Yasich Daniel M.
LandOfFree
Tubular sanitary sight indicator does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tubular sanitary sight indicator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tubular sanitary sight indicator will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2020367