Extrusion die for forming composite rubber-cord strip

Details Extrusion die for forming composite rubber-cord strip Extrusion die for forming composite rubber-cord strip

1980-08-27

1981-11-17

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Extrusion shaping means

264174, 4251311, 4251335, 425461, 425467, B29F 310

Patent

active

043008780

ABSTRACT:
A die structure for forming a composite rubber-cord strip is provided having a die throat whose aperture width at entry is greater than at exit, while its height at entry is smaller than at exit, thus providing a substantially constant cross-sectional area of the throat throughout; rubber is supplied to the entry along a path parallel to the cords, and from a cord guide whose hole spacing is greater than the cord spacing in the ply at the die exit.

REFERENCES:
patent: 2401551 (1946-06-01), Cook, Jr.
patent: 2453312 (1948-09-01), Frazier
patent: 2468585 (1949-04-01), Bluma
patent: 3070841 (1963-01-01), Schornstheimer
patent: 3280427 (1966-10-01), Smith
patent: 3487505 (1970-01-01), Chisholm et al.
patent: 3616496 (1971-11-01), Anglioletti et al.
patent: 3874837 (1975-04-01), Jamieson
patent: 3994654 (1976-11-01), Chyu
patent: 4050867 (1977-09-01), Ferrentino et al.
patent: 4165957 (1979-08-01), Kertscher

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