Dimensionally stable shaped hollow sections from aliphatic polya

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

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138118, 138177, 138DIG7, F16L 1106

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active

046135324

ABSTRACT:
Polyamide plastic fuel lines which are dimensionally stable and resistant to fuels, alcoholic fuels and alcohols as fuels are prepared from aliphatic high molecular weight polyamides. The fuel lines are prepared by extruding a hot melt of the polyamide, sizing through a die having a diameter in excess of the given diameter of the fuel line, cooling the fuel line in a cooling bath, removing the fuel line from the bath and sizing the fuel line adiabatically through a disk having a diameter less than the given diameter.

REFERENCES:
patent: 2661499 (1953-12-01), James, Jr. et al.
patent: 3182108 (1965-05-01), Branscum
patent: 4303711 (1981-12-01), Erk et al.
patent: 4508769 (1985-04-01), Vander Kool, Jr. et al.

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