Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1991-09-16
1993-04-20
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
144267, 144269, B27H 100
Patent
active
052039480
ABSTRACT:
An apparatus and method is disclosed for the bending and pressing of laminations into 2-dimensional or 3-dimensional curves. The apparatus includes a pair of spaced apart rotatable clamps for the clamping of the laminations at spaced apart locations. At least one of the clamps is movable towards the other clamp. Counterclockwise rotation of the clamps bends the laminations held by the clamps. A clamping force of at least one of the clamps is controllable so that the laminations may be bent while a mutual sliding movement of the laminations in at least one clamp is permitted. The laminations are bent to a radius larger than a desired radius. At this point, the clamping pressure is increased to prevent the mutual sliding movement so that upon further bending of the laminations, the outer laminations are pressed against the inner laminations at a substantially evenly distributed force along the bent section of the laminations. The apparatus is easily adaptable to produce different shapes and sizes of 2- and 3- dimensional curvatures and permits the fast and economical bending and compression of a workpiece having individual layers.
REFERENCES:
patent: 1933834 (1932-04-01), Wimer
patent: 3835904 (1974-09-01), Sumner
patent: 3879026 (1975-04-01), Lappin, Jr.
patent: 3902948 (1975-09-01), Morros
patent: 4793392 (1988-12-01), Gould
patent: 4886568 (1989-12-01), Strozier
patent: 4909889 (1990-03-01), Strozier
Hall James D.
Matney, Jr. William J.
Simmons David A.
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