Method and system for registering pre-produced webs with variable pitch length - Patent US6955733(B2)

Filed: Dec 20, 2002

Published: Oct 18, 2005

Abstract

A new machine control method and system for registering pro-produced webs into a converting line producing disposable absorbent articles such as diapers, pants, feminine hygiene articles or a component thereof. The pre-produced web can include a multiplicity of pre-produced objects spaced on the web at a pitch interval in the web direction. The pre-produced web being manipulated in order for the pre-produced object of the web to be registered in relation to a target position constant. The present invention includes three embodiments, where the first embodiment is expressed as a generic claim. The first embodiment includes a closed-loop feedback registration system; the second and third embodiments, in addition, include an open-loop feedforward phasing system. In addition, the third embodiment uses a machine vision system to recognize any element of a complex pre-produced object (e.g., colorful graphics).

Applicants

PROCTER GAMBLE

Inventors

MILLER CHARLES PHILLIP
HENRY DOUGLASS SCOTT
THOMAS TERRY HOWARD
LAMPING MICHAEL JOSEPH
KOLODESH MICHAEL S
MCLAUGHLIN JON KEVIN

Application Number

10324368

Priority Claims

US9827135

Family Members

US2003136495(A1) - Method and system for registering pre-produced webs with variable pitch length

US6955733(B2) - Method and system for registering pre-produced webs with variable pitch length

Classification Codes

B65H23/188, A61F13/15