Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work cooling means
Patent
1977-12-21
1979-10-09
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work cooling means
100 93P, 100 93RP, 156311, 1565831, 425407, B30B 300, B32B 3120
Patent
active
041705114
ABSTRACT:
A system is disclosed for laminating surfacing materials, such as high and low pressure laminates, paper, wood veneers, metal foils and the like, to core material, such as plywood, particle board, flake board, hard board, rigid plastic foams and the like.
The disclosure includes a machine for laminating, particularly utilizing high viscosity, hot melt adhesives within the ambient conditions of a factory. A sandwich is formed at ambient temperature with the adhesive between the laminate and core either as sheet material or precoated on the laminate or the core. The method employs a progressive heating of the adhesive and adjacent parts of the sandwich from ambient temperature through tackiness to an activating temperature followed immediately by a physical migration of the adhesive to wet out adjacent surfaces followed by a cooling of the sandwich to a mechanical bonding adhesive temperature. The machine is particularly useful in non-toxic, non-ventilated installations for laminating wherein it is desired to avoid solvent handling as well as the difficulties of melting and applying hot melt adhesives and controlling the necessary conditions thereof.
REFERENCES:
patent: 2518806 (1950-08-01), Muench
patent: 3011932 (1961-12-01), Downing
patent: 3223027 (1965-12-01), Suda et al.
patent: 3283052 (1966-11-01), Munk
patent: 3471600 (1969-10-01), Meek
patent: 3547742 (1970-12-01), Cottrell
patent: 3753832 (1973-08-01), Veneziale
patent: 3770550 (1973-11-01), Leyitan
patent: 3901758 (1975-08-01), Humphries
Brochure, "Stiles Salgo Hot Melt Surface Laminating Machine", Stiles Machinery, Grand Rapids, Michigan.
Pace Incorporated
Weston Caleb
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