Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1978-10-17
1980-11-04
Goolkasian, John T.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
40582, 40615, 156233, 156235, 156238, 156245, 156247, 264 1, 264226, 350320, 404 14, B32B 3120, B32B 1520, G02B 5128
Patent
active
042318300
ABSTRACT:
A reflective sheeting is disclosed having spaced apart cavities extending along one face and light-reflecting beads lining both wall and bottom portions of the cavities to impart a wide angle retroreflective response to incident light and improved brightness or intensity. The sheet is prepared by forming in a deformable carrier sheet a network of relatively depressed cavities having wall and bottom portions and spaced apart by intervening ridges, and then coating the wall and bottom portions of the cavities and the ridges with light-reflecting beads. After filling the cavities and covering the ridges with a solidified layer of a resinous organic matrix having a greater adherence to the beads than the carrier sheet has, the sheet is stripped away. This transfers the beads to the organic matrix and locates them in similarly shaped cavities and ridges molded in the matrix by the carrier sheet. Preferably, a light-transmitting face film is then secured to the matrix across the cavities to form an encapsulated reflective sheeting. In coating the corresponding wall and bottom portions of the cavities formed in the matrix with light-reflecting beads, the beads serve to impart a wide angle response and improved brightness to the sheeting.
REFERENCES:
patent: 3989775 (1976-11-01), Jack et al.
patent: 4075049 (1978-02-01), Wood
patent: 4102562 (1978-07-01), Harper et al.
Ryan John R.
Shalita Paul
Bokan Thomas
Ferro Corporation
Goolkasian John T.
Simmons Milton L.
Taylor Wesley B.
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