Thin walled tubing formed of a melt spinnable synthetic polymer

Details Thin walled tubing formed of a melt spinnable synthetic polymer Thin walled tubing formed of a melt spinnable synthetic polymer

1979-09-21

1981-12-15

Dixon, Jr., William R.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

264176F, 2642108, 264563, 428398, 428376, D02G 300, B28B 320

Patent

active

043059830

ABSTRACT:
Thin walled tubing formed of a melt spinnable synthetic polymer having a flow-through cross-section amounting to 30 to 95% of the total tubular cross-section and a breaking elongation of less than 100% prepared by melt spinning a synthetic polymer so as to form a tube and then drawing off the tube thus formed at a velocity which is greater than 3500 m/min. Preferably the process is carried out under utilization of the phenomena of natural fiber bending whereby the distance between the spinning means and the take-off means can be decreased.

REFERENCES:
patent: 3630824 (1971-12-01), Rohlig
patent: 3674628 (1972-07-01), Fabre
patent: 3728428 (1973-04-01), Turner
patent: 3930105 (1975-12-01), Christen et al.
patent: 4055696 (1977-10-01), Kamada et al.
patent: 4251481 (1981-02-01), Hamlyn

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