Patent ID: 8145343

Claim:
A method for registering absorbent products from a web converting manufacturing process, the method comprising the steps of: providing a communication network; connecting a sensor with the communication network, the sensor including a sensor clock; connecting a controller with the communication network, the controller including a controller clock; synchronizing the sensor clock with the controller clock such that the reported time of the controller clock and the sensor clock are correlated; advancing a substrate in a machine direction through a converting process at a first speed, the substrate including registration features arranged along the machine direction; providing a machine axis that generates counts that correspond with locations along machine direction; assigning a timestamp to each count, wherein each timestamp is based on the controller clock; detecting the registration features with the sensor; communicating registration feature detections from the sensor to the communication network; assigning a timestamp to each registration feature detection, wherein each timestamp is based on the sensor clock; sequentially adding component parts to the substrate; receiving the registration feature detections and corresponding timestamps from the communication network into the controller; comparing the timestamps of the registration feature detections with the timestamps of the count data; adjusting the first speed of the substrate based on the comparison of the timestamps associated with the registration feature detections with the timestamps associated with the count data; cutting the substrate with component parts added thereto into discrete absorbent articles; and packaging the discrete absorbent articles.