Agitating – Stirrer within stationary mixing chamber – Rotatable stirrer
Patent
1985-09-06
1987-01-06
Jenkins, Robert W.
Agitating
Stirrer within stationary mixing chamber
Rotatable stirrer
118657, 198670, 198676, 355 3DD, 355 14D, 366323, B01F 708, G03B 1500
Patent
active
046342869
ABSTRACT:
An electrographic copier/duplicator has a development station with a sump for holding a supply of two-component developer material. A magnetic brush applies the developer material to a photoconductor moved past the magnetic brush. The developer material may comprise carriers of hard, magnetic material. A ribbon blender mixes the developer material in the sump. The blender includes first and second ribbons with each ribbon having a first, relatively large diameter helical end portion and a second relatively small diameter helical end portion. The second end portion of each ribbon is located substantially within the first end portion of the other ribbon. Because the two end portions of the ribbon are connected, there is good axial mixing of developer material in the area between the two portions of each ribbon, and the level of the developer material tends to remain level throughout the length of the ribbon blender. Replenishment of depleted toner particles can occur in the area between the first and second end portions of the ribbons.
REFERENCES:
patent: 319311 (1885-06-01), Peters
patent: 560259 (1896-05-01), Day et al.
patent: 743202 (1903-11-01), Speirs
patent: 1001508 (1911-08-01), Craig
patent: 1457848 (1923-06-01), Mojonnier
patent: 1861721 (1932-06-01), Scott
patent: 2761657 (1956-09-01), Rietz
patent: 3138167 (1964-06-01), Fisher
patent: 3293117 (1966-12-01), Pennington et al.
patent: 3315947 (1967-04-01), Nauta
patent: 3639051 (1972-02-01), Cherlap et al.
patent: 3664299 (1972-05-01), Shaler
patent: 3675904 (1972-07-01), Bremmer et al.
patent: 3724725 (1973-04-01), Stauffer
patent: 3877881 (1975-04-01), Ono
patent: 3912388 (1975-10-01), Takahashi
patent: 3924567 (1975-12-01), Koleman et al.
patent: 3943887 (1976-03-01), Smith
patent: 4030447 (1977-06-01), Takahashi et al.
patent: 4100611 (1978-07-01), Jugle
patent: 4101211 (1978-07-01), Kayson
patent: 4173405 (1979-11-01), Swapceinski et al.
patent: 4194465 (1980-03-01), Tsukamoto et al.
patent: 4201484 (1980-05-01), Sasiela et al.
patent: 4235194 (1980-11-01), Wada et al.
patent: 4286544 (1981-09-01), Witte
patent: 4324483 (1982-04-01), Tagawa
patent: 4344692 (1982-08-01), Oda
patent: 4456364 (1984-06-01), Hatzis
patent: 4546060 (1985-10-01), Miskinis et al.
Application Ser. No. 597,323, filed Apr. 6, 1984 (copy not enclosed).
"The Performance of Continuous Mixtures for Dry Powders", by C. F. Harwood et al., pp. 289-296.
"Update on Batch-Compounding Equipment", Part II: Low- and Medium-Intensity Batch Mixers, Plastics Compounding, Mar./Apr. 1981, (pp. 52, 53, 59, etc.).
"Which Mixer?" by J. B. Gray, Chemical Engineering Progress, Jan. 1957 (vol. 53, No. 1), pp. 25-J-32-J.
"Ribbon Blenders Working Capacities to 1000 Cubic ft.", Charles Ross & Son Company.
"Day Mixing (Mixing and Size Reduction Equipment", Style B Horizontal Batch Mixers, Sprout-Waldron, Bulletin 3460.
Childress G. Herman
Eastman Kodak Company
Jenkins Robert W.
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