Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Cleaning or foaming ability
Patent
1985-04-08
1986-02-18
Levy, Stewart J.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Cleaning or foaming ability
G01N 1110
Patent
active
045704783
ABSTRACT:
A rheometer (10) is disclosed which includes a central cylinder (14) surrounded by a tube (24) having a cylindrical bore (26), the bore (26) being slightly larger than the cylinder (14). A loading cup (44) has an interior cylindrical opening (50) larger than the bore (26) which extends from a first end portion (46) thereof toward a second end portion (48) thereof. The first end portion (46) of the cup (44) is detachably attachable to the tube (24) with the cylindrical opening generally coaxial with the bore (26) of the tube (24). An axial moving structure (34) serves for controllably axially moving the tube (24) relative to the cylinder (14). A measuring device (84) serves for measuring the instantaneous force exerted on the cylinder (14) as the tube (24) moves axially.
REFERENCES:
patent: 2156407 (1939-05-01), Stewart
patent: 3803903 (1974-04-01), Lin
patent: 3864961 (1975-02-01), Cessna, Jr.
patent: 3935729 (1976-02-01), McCarthy
patent: 4062225 (1977-12-01), Murphy, Jr. et al.
patent: 4299118 (1981-11-01), Gau et al.
patent: 4352287 (1982-10-01), Orth et al.
Myers, A. W., et al., A Modified Pochettino Viscometer for the Measurement of the Viscoelastic Properties of High Polymer Melts, Jn. Trans. Soc. of Rheo. 12:1, p. 183-193, 1968.
McCarthy, R. V., An Improved Rheometer Design Used to Measure Viscoelastic Properties of Polymer Melts, Jn. Rheo. 22(6), p. 623-641, 1968.
Levy Stewart J.
Roskos Joseph W.
The Regents of the University of California
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