Thermal measuring and testing – Temperature measurement – Composite temperature-related paramenter
Patent
1994-10-19
1999-01-26
Cuchlinski, Jr., William A.
Thermal measuring and testing
Temperature measurement
Composite temperature-related paramenter
374106, 116207, 116219, G01K 304, G01K 1112
Patent
active
RE0360627
ABSTRACT:
A steam sterilization indicator for indicating both exposure to steam and sterilization is provided. The steam sterilization indicator includes a backing member. A tablet formed of a compound having a first melting point and second melting point which is lower that the first melting point, the second melting point being the melting point of the compound exposed to steam is also provided. A wick is affixed to the backing member adjacent to the tablet. A steam permeable material covers the tablet and the wick. Upon melting, the tablet material is absorbed by the wick. A handle is affixed to the backing member. One end of the handle includes a steam exposure indicator formed of a color changing ink which changes color in the presence of steam.
REFERENCES:
patent: 2118144 (1938-05-01), Berman et al.
patent: 2335999 (1943-12-01), Diack
patent: 2826073 (1958-03-01), Huyck et al.
patent: 3114349 (1963-12-01), Schuman
patent: 3360337 (1967-12-01), Edenbaum et al.
patent: 3360338 (1967-12-01), Edenbaum et al.
patent: 3360339 (1967-12-01), Edenbaum et al.
patent: 3414415 (1968-12-01), Broad, Jr.
patent: 3479877 (1969-11-01), Allen et al.
patent: 3981683 (1976-09-01), Larsson et al.
patent: 3996802 (1976-12-01), Smith
patent: 4121714 (1978-10-01), Daly et al.
patent: 4179397 (1979-12-01), Rohowetz et al.
patent: 4298569 (1981-11-01), Read
patent: 4410493 (1983-10-01), Joslyn
patent: 4448548 (1984-05-01), Foley
patent: 4692307 (1987-09-01), Bruso
patent: 5066464 (1991-11-01), Augurt
Platko Frank E.
Schuman Seymour
Speelman Irving A.
Summer Kenneth A.
Cuchlinski Jr. William A.
Propper Manufacturing Co. Inc.
Worth Willie Morris
LandOfFree
Steam sterilization 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 Steam sterilization indicator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Steam sterilization indicator will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1441728