Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1984-07-27
1987-06-09
Czaja, Donald E.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156294, 264269, 264516, B29C 6328, B29C 6334
Patent
active
046718400
ABSTRACT:
An internal lining for ducts (C) is provided by introducing into one end of the duct an assembly (E) which comprises a sleeve (5) and an inflatable system (2) and which is provided with heating means for applying a sheath (1) impregnated with a resin against the inner wall of said duct (C). After partial polymerization at least of the resin, the sheath (1) adheres to the inner wall of the duct. The system (2) is then deflated, the heating stopped and the assembly (E) withdrawn from the duct. With the length of the duct a multiple of the length (l) of an assembly (E), the operation is repeated by introducing into the duct successively a multiplicity of sheaths (1) until the inner wall of the duct (C) is provided with an internal lining over the whole of its length.
REFERENCES:
patent: 889796 (1908-06-01), Lowther
patent: 3080269 (1963-03-01), Pollock et al.
patent: 3258377 (1966-06-01), Scott
patent: 3511734 (1970-05-01), Darrow
patent: 3758361 (1973-09-01), Hunter
patent: 4361451 (1982-11-01), Renaud
patent: 4410391 (1983-10-01), Thomas et al.
Coopetanche S.A.
Czaja Donald E.
Hoch Ramon R.
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