Method and apparatus for folding a web
AssigneeKimberly-Clark Worldwide, Inc.
InventorsKyle Solomon Allen, David Arthur Trefethren
Life of this patent
Estimating the term…
Abstract
A web has a series of cut outs that define bridging portions therebetween. A method for folding the web includes providing the web to a first conveyor, folding the web about a folding wheel to define a folded edge that extends through the series of cut outs, transferring the web to a second conveyor having an included angle of 15 to 40 degrees in relation to the first conveyor, folding the web about a folding bar to maintain the folded edge, and spanning at least one cut out with the folding bar and contemporaneously contacting at least two bridge portions with the folding bar to maintain the folded edge of the web about the folding bar as the web passes the folding wheel edge.
Claims12
A method for folding a web, comprising:
- providing a web to a first conveyor wherein the web includes a series of cut outs which define a series of bridging portions located between the cut outs,
- passing the web about a folding wheel to define a folded edge wherein the folded edge extends through the series of cut outs in the machine direction,
- transferring the web to a second conveyor,
- folding the web about a folding bar to maintain the folded edge wherein the folding bar extends in the machine direction and spans at least one cut out and contemporaneously contacts at least two bridging portions.
A method for folding a web, comprising:
- providing a web to a first conveyor, the web comprising a series of cut outs, the series of cut outs defining bridging portions located between the cut outs,
- folding the web about a folding wheel to define a folded edge, wherein the folded edge extends in the machine direction through the series of cut outs,
- transferring the web to a second conveyor, the first and second conveyors defining an included angle of 15 to 40 degrees,
- folding the web about a folding bar extending in the machine direction to maintain the folded edge, and
- spanning at least one cut out with the folding bar and contemporaneously contacting at least two bridge portions with the folding bar to maintain the folded edge of the web about the folding bar.
Dependencies are inferred from the claim text.