Extruder screw with conveying portions and barrier portions and extrusion methods using the extruder screw and a plurality of barrel blocks
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 2, 2022
Grant Date -
Aug 10, 2017
app pub date -
Apr 26, 2017
filing date -
Oct 27, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
An extruder includes a screw for extruder provided with a screw element for kneading a raw material, and a barrel including a cylinder portion in which the screw is inserted so as to be rotatable. A plurality of screw elements identical with the screw element are provided in a longitudinal direction of the screw under a certain rule. The barrel is integrated by combining a plurality of barrel blocks blocked. Each of the plurality of barrel blocks is configured in accordance with a length of the screw element provided in the longitudinal direction of the screw.
First Claim
Other Claims data not available
Family
Loading Family data...
International Classification(s)
- 2017 Application Filing Year
- B29C Class
- 6708 Applications Filed
- 4570 Patents Issued To-Date
- 68.13 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- B29C Class
- 81.60 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Feb 2, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 2, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 2, 2034 |
