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US 8,372,246 B2Granted
Multiaxial fabrics
AssigneeAlbany International Corp.
InventorsJohn M Hawes, Glenn Kornett, Bjorn Rydin, Scott Quigley, Michael A Royo, James G Donovan, Steven Yook
Life of this patent
Estimating the term…
Abstract
The present invention provides a multilayer multiaxial woven fabric for a papermachine having a reduced interference pattern and accordingly improved dewatering uniformity. The present invention also provides a method of forming such multilayer multiaxial fabric.
Claims8
A multilayer multiaxial fabric for use with a paper machine, said fabric comprising:
- an upper layer having a plurality of interwoven machine direction (MD) and cross-machine direction (CD) yarns;
- a lower layer having a plurality of interwoven MD and CD yarns, wherein a relative angle or offset is formed between the MD yarns of the upper layer with the MD yarns of the lower layer, and a relative angle or offset is formed between the CD yarns of the upper layer with the CD yarns of the lower layer such that neither the MD yarns nor the CD yarns of the upper layer align with the MD yarns or the CD yarns of the lower layer;
- and
- a nonwoven layer disposed between said upper layer and said lower layer to reduce an interference pattern or Moire Effect between the layers making up the multiaxial fabric.
1 more element
A method of forming a multilayer multiaxial fabric for use in papermaking, said method comprising the steps of:
- interweaving a plurality of machine direction (MD) and cross-machine direction (CD) yarns to form an upper layer;
- interweaving a plurality of MD and CD yarns to form a lower layer, and forming a relative angle or offset between the MD yarns of the upper layer with the MD yarns of the lower layer, and forming a relative angle or offset between the CD yarns of the upper layer with the CD yarns of the lower layer such that neither the MD yarns nor the CD yarns of the upper layer align with the MD yarns or the CD yarns of the lower layer;
- and
- disposing a nonwoven layer between said upper layer and said lower layer to reduce an interference pattern or Moire Effect between the layers making up the multiaxial fabric.
1 more element
Dependencies are inferred from the claim text.