Method and material for securing structure for machining

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

29423, 29424, 156247, 269 7, 428138, 428147, 428285, 428287, 428339, 428354, B23P 1700, B32B 502, B32B 712

Patent

active

044459564

ABSTRACT:
An improved method and material for securing a thin-edged deformable structure, such as a honeycomb core, so that the structure may be machined while it is in a generally stabilized condition. The material is a laminate which is bonded to one side of the structure to be machined. The laminate is then secured by vacuum and the structure is then machined in a desired manner. The laminate includes a first stabilizing layer formed from a mesh of fiberglass, nylon or the like and having relative large openings. The mesh is impregnated with a suitable epoxy or phenolic resin which acts as an adhesive to secure the mesh to the structure. A fabric of nylon or the like is applied over the mesh and bonded thereto. A third and final layer includes a non-porous plastic sheet which permits the laminate to adhere by suction to a vacuum chuck. After machining, the fabric and non-porous layers are removed, leaving the open mesh layer fixed to the structure to stabilize it.

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patent: 3513065 (1970-05-01), Pearson
patent: 3733239 (1973-05-01), George
patent: 4316926 (1982-02-01), Kaminstein

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