Stac-Pac Technologies Inc.

Kt Holdings Inc.

Mark B Davidson

Lawrence J O'Connor

Darrell Van Mol

A package of a continuous strip of material includes a plurality of parallel side by side stacks each containing a length of the strip, which is folded back and forth such that each folded portion of the stack is folded relative to the next portion about a line transverse to the strip and such that the side edges of the strip portions are aligned. The strip is continuous through each stack and can be connected by a splice from the end of one stack to beginning of the next stack. The package is compressed to reduce the height of the stacks and maintained in the compressed condition by an evacuated sealed bag. The package can have the stacks oriented vertically or horizontally. When the stacks are horizontal, the spliced portions are vertical and coplanar with the strips and at alternate ends. When the stacks are vertical, the spliced portions extend from the bottom of the stack along one end of the stack to the top of the next stack. A package can be formed with a tail at the end of each stack ready for splicing, but not yet spliced. Accumulating a twist as the stacks are unfolded is prevented either by pre-twisting the splice portions or by providing the splice portions of alternate stacks at opposed ends of the stacks. The package is formed by the method of folding the strip and securing the folded strip with packaging. The method can further include compressing the folded packaged strip, then vacuum sealing the compressed package.

Packaging a strip of material in layers with intervening splices

A package of a continuous strip of material includes a plurality of parallel side by side stacks each containing a length of the strip which is folded back and forth such that each folded portion of the stack is folded relative to the next portion about a line transverse to the strip and such that the side edges of the strip portions are aligned. The strip is continuous through each stack and is connected by a splice from the end of one stack to beginning of the next stack. The package can be compressed to reduce the height of the stacks and maintained in the compressed condition by an evacuated sealed bag. The package can be formed by folding a wide web of material back and forth and by slicing the folded web in a direction parallel to the sides of the web to form one or more stacks of a strip of width less than that of the web. The stack can be used to form the above package or can be used in a further processing by unfolding slitting and winding.

Packaging a strip of material by folding and cutting the folded package

A package of a continuous strip of material includes a plurality of parallel side by side stacks each containing a length of the strip which is folded back and forth such that each folded portion of the stack is folded relative to the next portion about a line transverse to the strip and such that the side edges of the strip portions are aligned. The strip is continuous through each stack and is connected by a splice from the end of one stack to beginning of the next stack. The package can be compressed to reduce the height of the stacks and maintained in the compressed condition by an evacuated sealed bag. The package can have the stacks vertical or horizontal. The stacks are connected by a spliced portion so that the strip is continuous through the package. When the stacks are horizontal, the spliced portions are vertical and coplanar with the strips and at alternate ends. When the stacks are vertical, the spliced portions extend from the bottom to the top at one end of the stack.

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Winnipeg, Canada

Mark B Davidson