The present invention pertains to a method wherein a concavoconvex cutting line is applied repetitively in a periodical way in the longitudinal direction of a continuous first web to form first and second partial webs; said first partial web is offset with respect to said second partial web in the longitudinal...http://www.google.es/patents/US5110386?utm_source=gb-gplus-sharePatente US5110386 - Method of forming parts of products to be worn