Patent application number | Description | Published |
20100227105 | PREDICTABLE BONDED REWORK OF COMPOSITE STRUCTURES - A patch for reworking an inconsistent area of a composite structure comprises a composite laminate patch and a bond joint between the patch and the structure. The bond joint including at least first and second regions respectively having differing properties for releasing strain energy around the inconsistent area at different rates. | 09-09-2010 |
20100227117 | TAPERED PATCH FOR PREDICTABLE BONDED REWORK OF COMPOSITE STRUCTURES - A patch for reworking an inconsistent area in a composite structure includes a composite laminate patch adapted to cover the inconsistent area and bonded to the structure by a layer of adhesive. The patch includes a plurality of composite plies having a tapered cross section, and at least first and second regions respectively having differing fracture toughnesses. | 09-09-2010 |
20100233424 | COMPOSITE STRUCTURES EMPLOYING QUASI-ISOTROPIC LAMINATES - A composite laminate comprises a stack of unidirectional fiber reinforced composite plies arranged in a fiber orientation sequence providing the laminate with quasi-isotropic properties. | 09-16-2010 |
20120244360 | Method of Promoting Adhesion and Bonding of Structures and Structures Produced Thereby - The disclosure provides in one embodiment a method of promoting adhesion on a composite surface. The method comprises providing a composite structure having at least one composite surface to be bonded. The method further comprises preparing the at least one composite surface. The method further comprises providing a chemical derivatization compound containing active functional groups that promote adhesion. The method further comprises depositing the chemical derivatization compound on the prepared composite surface to form a functional group-adhesive promoter derivatized layer. The method further comprises applying an adhesive layer to the derivatized layer. The method further comprises heat curing the adhesive layer to result in a bond with another structure made of a composite, a metal, or a combination thereof. | 09-27-2012 |
20130260077 | TAPERED PATCH FOR PREDICTABLE BONDED REWORK OF COMPOSITE STRUCTURES - A patch for reworking an inconsistent area in a composite structure includes a composite laminate patch adapted to cover the inconsistent area and bonded to the structure by a layer of adhesive. The patch includes a plurality of composite plies having a tapered cross section, and at least first and second regions respectively having differing fracture toughnesses. | 10-03-2013 |
20130337214 | PREDICTABLE BONDED REWORK OF COMPOSITE STRUCTURES USING TAILORED PATCHES - A patch for reworking an inconsistent area in a composite structure includes a composite laminate patch and a layer of adhesive for bonding the laminate patch to the composite structure. The laminate patch has at least first and second regions for releasing strain energy around the inconsistent area respectively at different rates. | 12-19-2013 |
20140020221 | BONDED PATCH HAVING MULTIPLE ZONES OF FRACTURE TOUGHNESS - A composite laminate patch for reworking an inconsistent area in a structure has inner and outer control regions possessing differing interlaminar fracture toughnesses for controlling the advance of a disbond in the patch. One or more separation zones in the patch between the control regions aids in diffusing the fracture energy of the disbond as the disbond advances from the inner region to the outer region. | 01-23-2014 |
20140053643 | Bond Surface Testing Apparatus and Method - A bond surface testing apparatus and method are presented. The bond surface testing apparatus comprises a solution chamber; a plurality of solution containers located in the solution chamber; a plurality of microfluidic pipettes; and an information capture module. Each solution container in the plurality of solution containers includes a microfluidic pipette in the plurality of microfluidic pipettes. A number of the plurality of microfluidic pipettes has a non-circular cross-section. The information capture module is physically associated with the solution chamber and is configured to capture information relating to bonding surface properties of the bonding surface. | 02-27-2014 |
20140076481 | Discretely Tailored Multi-Zone Bondline for Fail-Safe Structural Repair - A repair patch for reworking an inconsistent area of a composite structure includes a patch body adapted to cover the inconsistent area and having a first patch region, a second patch region outside the first patch region and a first separation zone between the first patch region and the second patch region, with the first patch region, the first separation zone and the second patch region having increasing interlaminar fracture toughness from a center to an edge of the patch body; and a layer of adhesive for bonding the patch body to the composite structure. | 03-20-2014 |
20140238579 | Structural Bonded Patch with Tapered Adhesive Design - A method and apparatus for reworking a composite structure. A composite rework patch system comprises a composite rework patch and a plurality of adhesive layers. The composite rework patch includes a first side having a contour conforming to an inconsistent area on the composite structure. The composite re patch comprises a plurality of regions having different structural properties. The plurality of adhesive layers is on the first side of the composite rework patch. The plurality of adhesive layers change in thickness within at least one region of the composite rework patch to form tapered adhesive sections. | 08-28-2014 |