Patent ID: 9670720
Date: 2017-06-06
CPC Classifications: E06B

Claim:
1. A method of making a plurality of foldable, collapsible window shades, each shade formed of a plurality of elongated preforms cut from a continuously moving narrow strip of elongated flexible material and subsequently stacked and bonded together to form a respective continuous array, said method comprising: cutting a first portion of said moving strip into at least a first set of preforms such that said first set of preforms, when stacked and bonded together, form a continuous array corresponding to a first customer-specified shade; accumulating said first set of preforms in a first receiving device and initiating repositioning of said first set of preforms; without interruption of the continuous movement of said continuous strip, repeating said cutting step on a second portion of said moving strip to produce a second set of preforms such that said second set of preforms, when stacked and bonded together, form a continuous array corresponding to a second customer-specified shade; and during said repositioning of said first set of preforms, accumulating said second set of preforms in a second receiving device by modifying the flow path of the preforms.