Closed composite sections with bonded scarf joints
US5281454A · kind A · utility
54Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 16, 1991 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | Aug 16, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/195
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A novel joint for connecting a closed composite adherend utilizes complementary scarf surfaces on the adherends and then bonds the adherends together. The angle of the scarf is determined by the materials used and the expected loads. Preferably, constant stiffness is achieved through the joint. In alternative embodiments, lap joint areas are included to create localized stress free zones. A method of creating the scarf surfaces utilizes a wrapping technique in which the edges of a lamina of composite material are prepared so as to provide a desired edge termination which permits each layer to be bonded to the adjacent adherend.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.