The present panty is formed of first and second seamless tubular knit blanks each of which includes an inwardly turned welt on one end, a predetermined length of body yarn and inwardly contracted mock rib areas formed by incorporating elastic yarn therein. The inwardly contracted mock rib area of one...http://www.google.de/patents/US4527403?utm_source=gb-gplus-sharePatent US4527403 - Circular knit panty and method
