Plastic and nonmetallic article shaping or treating: processes – Utilizing special inert gaseous atmosphere or flushing mold...
Patent
1984-07-03
1985-11-12
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Utilizing special inert gaseous atmosphere or flushing mold...
264564, 264176R, 264211, 425380, 425461, 425467, B29F 304
Patent
active
045527121
ABSTRACT:
Melt fracture of films made from LLDPE resins is reduced by using a die having a die land region fabricated from stainless steel and wherein the length of the die land to the width of the die gap is about 35:1 to about 60:1.
REFERENCES:
patent: 2705669 (1955-04-01), Leston
patent: 3030665 (1962-04-01), Eagleton et al.
patent: 3125547 (1964-03-01), Blatz
patent: 3174183 (1965-03-01), Siegel
patent: 3351695 (1967-11-01), Hollingsworth
patent: 3382535 (1968-05-01), Ferrari
patent: 3397427 (1968-08-01), Burke, Jr. et al.
patent: 3611493 (1971-10-01), Fogelberg et al.
patent: 3879507 (1975-04-01), Cavanna et al.
patent: 3920782 (1975-11-01), Cogswell
patent: 3942937 (1976-03-01), Prober et al.
patent: 4243619 (1981-01-01), Fraser et al.
patent: 4264294 (1981-04-01), Ruiz
patent: 4282177 (1981-08-01), Kurtz et al.
patent: 4324748 (1982-04-01), Hatakeyama et al.
patent: 4342848 (1982-08-01), Blanchard et al.
patent: 4348349 (1982-09-01), Kurtz
patent: 4412025 (1983-10-01), Corwin et al.
patent: 4415711 (1983-11-01), Jones
"Extrusion Dies", Modern Plastics Encyclopedia, 82-83 Edition, pp. 380-382.
"Instabilities in Polymer Processing", AlChE Journal, vol. 22, No. 2, 3-1976, pp. 209-236.
Thurlow Jeffery
Union Carbide Corporation
Vicari Clement J.
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