Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Reexamination Certificate
2007-03-13
2007-03-13
Cooley, Charles E. (Department: 1723)
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
C366S085000
Reexamination Certificate
active
10630210
ABSTRACT:
A modified kneading element for a screw extruder, peripherally congruent, aligned, and contiguous with a cross-sectional profile of a modified conveying element, includes a central portion defining a root diameter having a shaft receiving bore defined therein; and at least one lobe extending radially from the central portion, each lobe having an outer periphery ridge and first and second lateral sidewalls, wherein one of the lateral sidewalls of each lobe is concave between the outer periphery ridge and the central portion. Kneading blocks including such kneading elements and screw extruders including such kneading blocks are also provided.
REFERENCES:
patent: 3254367 (1966-06-01), Erdmenger
patent: 3734468 (1973-05-01), Cheng et al.
patent: 4556324 (1985-12-01), Tynan
patent: 4871259 (1989-10-01), Harada et al.
patent: 4938605 (1990-07-01), Friedrich
patent: 5044759 (1991-09-01), Gagliani
patent: 5048971 (1991-09-01), Wall et al.
patent: 5100240 (1992-03-01), D'Alterio
patent: 5267788 (1993-12-01), Rockstedt
patent: 5292186 (1994-03-01), Kubo et al.
patent: 5314245 (1994-05-01), Blach
patent: 5318358 (1994-06-01), Wobbe et al.
patent: 5487602 (1996-01-01), Valsamis et al.
patent: 5573332 (1996-11-01), Weihrich et al.
patent: 5672005 (1997-09-01), Fukui et al.
patent: 5932159 (1999-08-01), Rauwendaal
patent: 5947593 (1999-09-01), Inoue et al.
patent: 5984516 (1999-11-01), Inoue et al.
patent: 6048088 (2000-04-01), Haring et al.
patent: 6116770 (2000-09-01), Kiani et al.
patent: 6136246 (2000-10-01), Rauwendaal et al.
patent: 6170975 (2001-01-01), Andersen
patent: 2005/0024986 (2005-02-01), Mattingly, Jr.
patent: 39 40 954 (1989-12-01), None
patent: 19706134 (1997-11-01), None
patent: 102 07 145 (2002-02-01), None
patent: 769106 (1957-02-01), None
patent: 57-15911 (1982-01-01), None
patent: 4-104827 (1992-04-01), None
patent: 6-90651 (1994-04-01), None
“Mischelemente in neuen Geometrien” by H. Potente, et al. vol. 88, No. 4, Apr. 1998 pp. 494-496 and 498-499.
Communication Relating to the Results of the Partial International Search.
Americhem Inc.
Cooley Charles E.
Renner Kenner Greive Bobak Taylor & Weber
LandOfFree
Kneading element and related articles does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Kneading element and related articles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Kneading element and related articles will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3750269