Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means
Patent
1977-03-25
1978-08-29
Drummond, Douglas J.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work feeding or handling means
291212, 425374, 156582, B32B 3120, B21B 2702
Patent
active
041101529
ABSTRACT:
An embossing roller has protruding lands extending radially outward from the surface of the roller to provide corresponding indentations in a thermoplastic surface to which the roller may be applied. A layer of resilient material underlies the lands so that when the roller is rolled over an irregular surface, individual lands, or groups of lands, may be depressed different amounts so that embossing indentations are formed in all portions of the surface. By applying adequate pressure to the roller, all of the lands are depressed at their points of contact when in contact with the surface if the surface is flat and regular. The lands are forced by action of the resilient material into contact with the bottom of any slight concavity in the surface and adapt to any slight convexity. In some embodiments, lands protrude outwardly from metal rings which encircle the roller. In other embodiments, lands are supported directly by the resilient material. In a method of using the roller, a surface is substantially simultaneously coated and embossed by first pressing against the surface a portion of a film web which carries a thermally transferable coating, then heating the web, the coating and the surface, and then rolling the embossing roller across the web and the surface. The heating and pressing steps may be carried out with heated resiliently surfaced rollers which travel ahead of the embossing roller.
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Dunning Richard E.
Nelson Marshall A.
Avery International Corporation
Drummond Douglas J.
Thrower William H.
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