Method for regulating strength degradation in elastic strand

• Main Authors: PEIGUANG ZHOU, WINGAK NG
• Format: Patent
• Language: English
• Published: 10.06.2004
• Edition: 7
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; BANDAGES, DRESSINGS OR ABSORBENT PADS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; CONVEYING; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE; FIRST-AID KITS; FOMENTATION; HANDLING THIN OR FILAMENTARY MATERIAL; HUMAN NECESSITIES; HYGIENE; MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS; MECHANICAL FINISHING OF YARNS OR ROPES; MEDICAL OR VETERINARY SCIENCE; NATURAL OR ARTIFICIAL THREADS OR FIBRES; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PACKING; PERFORMING OPERATIONS; PROSTHESES; SPINNING; STORING; TEXTILES; TRANSPORTING; TREATMENT OR PROTECTION OF EYES OR EARS; UNPACKING; WARPING OR BEAMING; YARNS

The present invention is directed to regulating strength degradation in elastic strand by regulating exposure of the strand to water or water vapor. One representative method having features of the present invention includes the steps of: providing elastic strand, the elastic strand having been made by steps comprising extruding, spinning, or otherwise making the strand; and regulating the strand's exposure to water or water vapor so that the strand's strength does not significantly degrade before the strand is used as a raw material on a production machine.