Patents
United States Patent 5314246
Douris , ê et al. May 24, 1994
Increased barrel-stress extruder
Derezinski May 24, 1994
Abstract
An extrusion apparatus 10 for extruding thermoplastic materials comprises a hollow cylindrical barrel 12 having a preferably smooth inner cylindrical wall 14. An extrusion screw 16 is mounted for rotation about an axis 18 within hollow barrel 12. The extrusion screw 16 has a major diameter, a minor diameter defining a minor circumferential surface (MCS) of the screw 16, and material pushing threads that are spaced axially and have a normal height `h` extending outwardly from the MCS of the screw into rotatable contact with the inner cylindrical wall 14 of the barrel 12.
Feed Screws
Barrels
Augers
Static Mixers
Wear Measuring Devices
- Manufactured
- Rebuild
- Repaired
- Designed
Compare notes with other manufacturing pros!
Visit the discussion forums at FeedScrewDesigns.com. >>
Not listed on our site?
Need to update your listing?
Click here
Hundreds of patent abstracts for injection molding and extrusion methods and apparatus.
click here.
Request quotes from dozens of manufacturers or dealers with one click. Click here.
Website Maintenance by Greaterscope, LLC