Cord tension is meticulously checked prior to application of adhesive which further increases tenacity in $96,000 hot stretching unit. Operation is one of many controls of tension in processing tire cord. Equipment is part of facilities for study of processing methods and development of new industrial end products of man-made fibers at DuPont's $2,000,000 Textile Research Laboratory at Chestnut Run, near Wilmington, Delaware.
Bobbins of twisted yarn are checked on creel preparatory to winding on beam for weaving. Each individual strand, called an end, must be wound with meticulous care to insure steady feed in high speed weaving operation. Machine at DuPont's $5,000,000 Textile Research Laboratory at Chestnut Run near Wilmington, Delaware is part of production facilities supplementing research in seventeen physical and chemical laboratory units to diversify and improve uses of company's man-made textile fibers.