Dispensing – With discharge assistant – Plural
Patent
1992-05-11
1993-11-30
Huson, Gregory L.
Dispensing
With discharge assistant
Plural
222241, 222242, 222334, 222413, G01F 1100
Patent
active
052657736
ABSTRACT:
The paste feeding apparatus is equipped, within a cylindrical container having a paste feeding opening at its lower end, with a spiral pump composed of a vertical mantle tube having a paste inlet and a paste outlet, which are spacedly formed at lower and upper positions, respectively, and a screw shaft provided coaxially within the mantle tube; a drive motor connected to the screw shaft; and a piston moving up and down in an annular space in the container. A raking blade which is connected to the screw shaft and serves to rake a paste in the paste inlet of the mantle tube may be provided. The paste feeding apparatus is composed of a drive section and a pump-container section detachably installed thereto. According to the paste feeding apparatus, the kneading of a paste, the adjustment of its viscosity and the control of its feed rate can be stably achieved with high precision, and hence high reliability can be attained.
REFERENCES:
patent: 2589583 (1952-03-01), Thompson
patent: 3240400 (1966-03-01), Smith
patent: 5080264 (1992-01-01), Limper
World Patents Index Latest, Section Ch, Week 9024, 25 Jul. 1990, Derwent Publications, Ltd., London GB; Class A, AN 90-182943 & SU-A-1 503 873 (Kharinskii) 30 Aug. 1989.
Patent Abstracts of Japan, vol. 6, No. 223 (C-133) (1101) 9 Nov. 1982 and JP-A-57 127 431 (Nitsukuu Kogyo K.K.), 7 Aug. 1982.
World Patents Index Latest, Section Ch, Week 9128, 28 Aug. 1991, Derwent Publications Ltd., London GB, Class J, AN 91-205729 [28] & SU-A-1 586 760 (Gorev), 23 Aug. 1990.
Huson Gregory L.
Kabushiki Kaisha Marukomu
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