METHOD AND APPARATUS FOR CONTROLLING RETRACTION OF COMPOSITE MATERIALS

• Main Authors: MATTINGLY, WALTER, ANDREW, CLOSE, KENNETH, BRADLEY, PRIMM, STEPHEN, HARDING, BAER, DAVID, JON, SMITH, CHARLES, ALLEN, LANGE, SCOTT, RICHARD
• Format: Patent
• Language: English; French
• Published: 30.01.2003
• Edition: 7
• Subjects: BRAIDING; COFFEE MILLS; COTTON-WOOL; DOMESTIC ARTICLES OR APPLIANCES; DOMESTIC WASHING OR CLEANING; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS; FURNITURE; HUMAN NECESSITIES; KNITTING; LACE-MAKING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; NON-WOVEN FABRICS; PERFORMING OPERATIONS; SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TEXTILES; TOILET ACCESSORIES; TRANSPORTING; TRIMMINGS; WADDING

The present invention provides a process for heat treatment of non-woven composite elastic material comprising a non-woven elastic layer; and a non-woven gatherable layer. The process comprises stretching the material, heating the material and cooling the material. The material has a softer more clo...