Methods and apparatus for surface preparation and dual...

Details Methods and apparatus for surface preparation and dual... Methods and apparatus for surface preparation and dual...

2002-05-28

2008-11-18

Jackson, Monique R (Department: 1794)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S244110, C156S244180, C264S171140, C264S171170, C264S171210, C428S461000, C428S463000

Reexamination Certificate

active

07452434

ABSTRACT:
Processes and apparatus for manufacturing an engineered-composite combining rigid flat-rolled sheet metal continuous-strip and selected polypropylene thermoplastics, which are formulated into dual polymeric coating layers for extrusion deposition, as distinct layers, on a single surface at a time, of continuous-strip, traveling in-line at ambient temperature. Steps for forming a uniform thickness of polymeric layers across strip width, and attraction to an activated metallic surface which provides enhanced adhesion. Solidification of the polymeric layers is augmented by strip temperature during continuous-in-line travel; final dual-surface finishing provides for complete bonding of the polymeric layers on both metallic surfaces.

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