Method of forming one or more flanges on or in a hollow continuously wound structural member
US9821496B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2012 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Nov 19, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1314
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of and apparatus for forming one or more flanges or formations, which may conveniently be inwardly facing, on or in a hollow continuously wound structural member, such as a hollow pole, the method including the steps of providing a tapered mandrel on which to continuously wind a loop of filament or filaments to form a hollow structural member, providing an end-forming plate at at least one end of the mandrel, placing one or more formers on the outside of the mandrel adjacent to and spaced from the or each end plate by a required amount to form one or more flanges when the member has been fully wound and set within a resin, and subsequently removing the continuously wound structural member from the mandrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.