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US 7,954,749 B2Granted
Extruded cylinder with a solid wood exterior
AssigneeRandolph A. Dunn
InventorRandolph A Dunn
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Abstract
A method and is disclosed for the production of winding cores having a solid wood exterior. The method comprises adhering a plurality of staves about the exterior of the extruded wood core, such that those staves form a shell.
Claims16
A method for the production of winding cores with a solid wood exterior, the method comprising:
- Providing a extruded wood core column;
- Providing a plurality of solid wood staves having an interior profile mating an exterior profile of said extruded wood column;
- Applying an adhesive to said interior profile of said staves and said exterior profile of said core;
- Adhering said interior profile of each of said staves to said exterior profile of said core;
- Mechanically securing said staves to said core;
- Allowing said adhesive to cure providing a winding core with a solid wood exterior.
3 more elements
A structural winding unit;
- said structural winding unit comprising:
- A extruded winding core comprising wood fiber and a thermoset resin having a central hole coaxial with a major axis of said winding core and an exterior;
- A plurality of shaped staves forming a shell, each stave of said plurality of staves disposed about the exterior of said winding core and parallel to said major axis.
Dependencies are inferred from the claim text.