Method and system for registering pre-produced webs with...

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

Reexamination Certificate

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Details

C156S229000, C156S324000, C700S125000

Reexamination Certificate

active

06955733

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).

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