Plastic and nonmetallic article shaping or treating: processes – Miscellaneous
Patent
1991-06-25
1992-10-20
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Miscellaneous
241236, 252134, 252367, 252370, 264101, 26421111, 366 77, 366 84, 366272, 425202, 425204, B29C 4752
Patent
active
051567946
ABSTRACT:
A pulverizing/kneading apparatus for pulverizing and kneading a material such as a soap compound. The material is supplied in a barrel in which are provided a pair of shafts respectively having feeding helical gears and returning helical gears. The material supplied is kneaded and the fine particles contained in the material pulverized by the gears. The forward driving force of the feeding gears is larger than the backward driving force of the returning gears so that the material advances forwardly toward the discharge opening of the barrel.
REFERENCES:
patent: 2434707 (1948-01-01), Marshall
patent: 2698962 (1955-01-01), Swallow
patent: 2767437 (1956-10-01), Marshall
patent: 3105268 (1963-10-01), Albright
patent: 3497912 (1970-03-01), Fischer
patent: 3856278 (1974-12-01), Eisenmann
p. 194 of "Kneading Apparatus" by Kenji Hashimoto, issued Sep. 20, 1986.
Hasegawa Takeshi
Nakanishi Nozomu
Otani Hironobu
Watanabe Shin-ichi
Kao Corporation
Thurlow Jeffery
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