Multi-layer sheet material web assembly
The present invention relates generally to a method and apparatus for embossing and crimping a multi-layer sheet material web assembly, and in particular, to a method and apparatus for embossing and crimping a multi-layer sheet material web by forming a pattern of embossments in the layers of the sh...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
17.06.2003
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| Online Access | Get full text |
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| Summary: | The present invention relates generally to a method and apparatus for embossing and crimping a multi-layer sheet material web assembly, and in particular, to a method and apparatus for embossing and crimping a multi-layer sheet material web by forming a pattern of embossments in the layers of the sheet material web assembly, a portion of which further comprise crimps to bind the layers together. The invention also relates to a multi-layer sheet material web assembly having a pattern of embossments and crimps.
A sheet material web assembly includes a plurality of layers of sheet material web, with each layer having a plurality of embossments arranged in a pattern. The embossments in each layer are raised in the same direction and nest within the plurality of embossments in the other layers. A portion of the pattern of embossments further comprises a plurality of crimped embossments that bind the plurality of layers together. |
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