Web-laying.

摘要

A control system for a web-laying machine having reciprocating carriage means (12) laying a web (13) in folds on travelling conveyor means (14) comprises variable speed drive means (15, 16) driving one of said carriage and conveyor means (14), conveyor measuring means (18) measuring the travel of said conveyor means (14) between reversals of direction of said carriage means (12), and control means (19) controlling said drive means in accordance with the measured travel.