Importance

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Abstract

A nested, expandable, compact, liquid film fill sheet bundle is provided which facilitates shipment and then installation of the sheets to present a film fill pack for use in liquid cooling apparatus. The bundle includes a plurality of shingled, nested film fill sheets each having repeating, successive, area-increasing surface patterns on opposite faces thereof which complementally nest when the sheets are in bundled, shingled relationship. The sheets which are shingled are offset from the other sheets of the bundle by an amount equal to the width of each of the successive, repeating, surface area-increasing patterns in the sheets. The nested bundle is raised as a unit to the site of the fill pack where it is installed on support structure for the fill pack. The film fill sheets are then successively and sequentially expanded while carried by the fill pack support structure by shifting either one sheet with respect to the next adjacent sheet, or by shifting adjacent sheets relative to one another. The film fill sheets are moved relatively through a displacement to unshingle and thereby unnest the fill sheets. The sheets which are shifted to unshingle and unnest the bundle are each provided with a slot or slit therein which clears the support structure for the fill pack during shifting of a respective movable sheet and while the bundle remains supported by the fill support structure.

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First Claim