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US 11,772,315 B1Granted
Reinforced wood fiber core and method of making thereof
AssigneeSouhegan Wood Products Inc.
InventorRandolph A Dunn
Life of this patent
Estimating the term…
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.
Claims14
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;
- sliding a pre-formed un-split sheath over said extruded wood fiber core member.
Dependencies are inferred from the claim text.