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US 12,220,853 B2Granted
Extruding connected hollow strands
Assignee3M Innovative Properties Company
InventorsRonald W. Ausen, William J. Kopecky, Vasav Sahni
Life of this patent
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Abstract
A web. The web includes an array of discrete polymeric tubes; a plurality of spacer segments between at least a plurality of adjacent polymeric tubes; wherein polymeric tubes are hollow polymeric tubes; wherein the web is a continuous web.
Claims13
A web comprising,
- an array of discrete polymeric tubes;
- and
- a plurality of spacer segments structures between at least a plurality of adjacent polymeric tubes;
- wherein polymeric tubes are hollow polymeric tubes;
- wherein the web is a continuous web;
- and
- wherein the tubes are within two or more planes.
4 more elements
Dependencies are inferred from the claim text.