A method of dyeing yarns is provided wherein a single yarn or a web of parallel yarns is passed through a falling stream of liquid dyestuff which is substantially at boiling temperature when it contacts the yarn. The falling stream may be interrupted intermittently or may be traversed to and fro of the...http://www.google.ca/patents/US4361019?utm_source=gb-gplus-sharePatent US4361019 - Dyeing yarns
