The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 1994
Filed:
Apr. 24, 1992
Allen J McIntire, Ansonia, CT (US);
Geoffrey C Davis, Madison, CT (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
A method to bond metallic structures to thermoset composite structures is described. Various construction details have been developed which provide a method for producing a bond of sufficient strength to transmit torsional and axial loads between the metallic and thermoset composite structures. In one embodiment, the method includes steps to form a bonding surface on a metallic structure by knurling a mating surface of the metallic structure and molding a thermoplastic material over the knurled surface. Further, the method includes steps to form a bonding surface on a thermoset composite structure by partially embedding a layer of dry fiber into a thermoplastic cone, coating the exposed dry fiber with thermoset resin, and curing the coated dry fibers into the thermoset composite structure. The final step is to fuse the two bonding surfaces by applying heat sufficient to melt the thermoplastic material.