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US 12,370,731 B2Granted
Reinforced wood fiber core and method of making thereof
AssigneeSouhegan Wood Products Inc.
InventorRandolph A Dunn
Life of this patent
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Abstract
A winding core with improved beam and hoop strength and diminished friability and method for manufacturing such a core are provided, the method for making the winding core comprising: providing a wood fiber core, applying an adhesive to the wood fiber core, and sliding a tube or sheath onto the wood fiber core.
Claims15
A method for manufacturing a winding core, said method comprising:
- providing an extruded wood fiber core member having an external diameter;
- applying an expanding adhesive to said extruded wood fiber core member;
- and
- sliding a sheath over said extruded wood fiber core member.
1 more element
Dependencies are inferred from the claim text.