Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-01-19
1991-01-01
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
5230913, 52315, 156 61, 156254, 156 736, 427202, 427359, 427370, 428 15, B32B 3500
Patent
active
049815393
ABSTRACT:
The process provides for the structural reinforcement of manufactured articles made of stone or, in general, agglomerates by means of a sequence of steps which comprise the following: (a) the article to be treated is heated; (b) spraying on one surface of the article a particular adhesive called primer; (c) spraying on the same surface a resin preferably containing glass fibers or fibers of another material; (d) spraying on the same surface grit of stone having a constant and defined granulometry; (e) applying an action of vibration or compression on the article in order to facilitate the cohesion of the grit with the resin; (f) letting the resin undergo a catalytic reaction which eventually may require application of heat; (g) levelling the surface by mechanical operations. The same process may be repeated on the other surface of the article if one desires to cut the article along its thickness for the purpose of obtaining a very thin product. The process is also aplicable to agglomerated articles for the purpose of obtaining very thin products and of limited weight while the mechanical and aesthetic properites remain unaltered. The product obtained by the process of the application offers structural properties substantially superior to the properties of the starting articles and permits to utilize material which is structurally weak and defective.
REFERENCES:
patent: 1534353 (1925-04-01), Besser
patent: 2701774 (1955-02-01), Marsell et al.
patent: 3097080 (1963-07-01), Weir
patent: 3161556 (1964-12-01), Slosberg
patent: 3878030 (1975-04-01), Cook
patent: 4698010 (1987-10-01), Toncelli
patent: 4822661 (1989-04-01), Battaglia
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