Package for a stack of sheet materials

Claim 1

A package for a stack of generally quadrangular sheet materials whic is adapted to be opened at one end to leave a defined edge around said opening, which package comprises a composite wrapper of flexible wrapping material having a width slightly exceeding the width plus twice the thickness of said stack and an overall length exceeding twice the length and twice the thickness of said stack, said wrapper including at least one body sheet extending around one end and the major lengthwise portion of the opposite exterior surfaces of said stack but terminating at both end edges short of the other stack end, at least one end sheet extending around said other stack end and over the remaining lengthwise portions of said exterior surfaces with its edge margins in overlapping relation with the edge margins of said body sheet, a seal detachably adhering each end of said body sheet in the vicinity of the edge threof to a locus of the contiguous face of the end sheet spaced from the corresponding end edge of said end sheet, said composite wrapper being uniformly tensioned around the stack periphery in its lengthwise direction, whereby said stack is tightly contained within a tube defined by the thus sealed composite wrapper, and means for sealing the opposite ends of said tube along the sides of said stack.