Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1977-06-30
1978-10-31
Corbin, John K.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156232, 404 12, G02B 5128
Patent
active
041231406
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: 2326634 (1943-08-01), Gebhard et al.
patent: 2713286 (1955-07-01), Taylor
patent: 2948191 (1960-08-01), Hodgson et al.
patent: 2977850 (1961-04-01), Vanstrum
patent: 3584932 (1971-06-01), Terrill
patent: 3827783 (1974-08-01), Lemelson
patent: 3975083 (1976-08-01), Rowland
Ryan John R.
Shalita Paul
Corbin John K.
de los Reyes B. W.
Ferro Corporation
Simmons Milton L.
Taylor Wesley B.
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