Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Controlling rate of movement of molding material or its...
Patent
1977-06-01
1978-06-27
Husar, Francis S.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Controlling rate of movement of molding material or its...
425141, 425142, 425162, 425164, 425315, 425377, B29F 300
Patent
active
040975665
ABSTRACT:
An extrusion line for producing rubber tire tread. Method and apparatus for continuously controlling extrusion line operation to maintain a predetermined length and weight for the finished product. Sensors for unit weight, extruder speed and swell, extruder load, extrudate temperature at the extruder and at the skiver, and conveyor speeds, signal conditioning circuits, and controls for take away conveyor speed, extruder speed, unit weight and skiver length.
REFERENCES:
patent: 2726922 (1955-12-01), Merril et al.
patent: 3150213 (1964-09-01), Doering
patent: 3286302 (1966-11-01), Doering
patent: 3875383 (1975-04-01), Somerville et al.
patent: 3881651 (1975-05-01), Wilhelm, Jr.
patent: 3904338 (1975-09-01), Straumanis
patent: 3930774 (1976-01-01), Brand et al.
Bertin Michael C.
Hicksted Richard L.
Mitsuhashi James M.
Husar Francis S.
McQuade John
Nucleonics Data Systems
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