Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1979-05-18
1981-08-18
Anderson, Philip
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
523095, 523097, 5230912, 5230914, 5230916, 5230917, 52410, 52454, 52475, 156299, 264 454, 264 464, 264 467, 264 48, 264 55, 264274, 264275, 264293, 425 4R, B29D 2700
Patent
active
042844479
ABSTRACT:
A method of forming a panel structure useful in building construction and the like includes the steps of heating a heat expandable plastic in a separable mold having a cavity with the configuration of the resultant panel to form a panel core and adhering thin reinforcing strips to the front and back surfaces of the core. Control over the dimensions and configuration of the panel is obtained by adhering the strips to the core in the mold while applying heat thereto whereby core shrinkage is minimized. The strips may be adhered to the core during initial heating of the plastic material to form the core or may be adhered to the core in the mold subsequent to core formation.
REFERENCES:
patent: 3042967 (1962-07-01), Edberg
patent: 3073066 (1963-01-01), Edwards et al.
patent: 3112163 (1963-11-01), Alderfer
patent: 3484331 (1969-12-01), Betz
patent: 3556918 (1971-01-01), Lemelson
patent: 3833454 (1974-09-01), Ambrose
patent: 4144296 (1979-03-01), Dickens
patent: 4157640 (1979-06-01), Joannes
Dickens Luther I.
Nanny William C.
Anderson Philip
Hendricson Alvin E.
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