Ultrathin-wall fluoropolymer tube with removable fluoropolymer c

Details Ultrathin-wall fluoropolymer tube with removable fluoropolymer c Ultrathin-wall fluoropolymer tube with removable fluoropolymer c

1988-03-31

1990-05-15

Seidleck, James

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

428 369, 428 3691, 428220, 428251, 428402, 428412, 428421, 428422, 4284231, 4284735, 4284744, 428515, 138DIG3, F16L 1100

Patent

active

049257102

ABSTRACT:
An ultrathin-wall sintered fluoropolymer tube is disclosed which has a wall thickness less than about 0.002 inch (0.051 mm). Also, disclosed are fluoropolymer tubes which have been extruded over and are supported by a removable, sintered fluoropolymer core. Preferably the fluoropolymer core contains an inorganic filler such as glass beads. Integral multilayered tubes which can be used as automotive cables or medical catheters are also disclosed. These multilayered tubes have an inner lubricious sheath comprises of the afore-described sintered fluoropolymer tube, with or without the removable fluoropolymer core, surrounded by an outer sheath comprised of one or more different materials.

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patent: 4636346 (1987-01-01), Gold et al.

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