Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1988-10-13
1990-08-21
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1562748, 1563802, 1563809, 219 1043, 219 1053, 313113, B32B 3120
Patent
active
049503480
ABSTRACT:
A method for joining structural elements by heating of a binder, e.g., to form panel assemblies for automobiles, including applying to a first structural element a binder at locations thereof intended to form bonding contact with corresponding locations on a second structural element, mating the second structural element with the first structural element, and hemming an outer edge of the first structural element about a corresponding edge of the second structural element to make the binder contact upper and lower faces of corresponding edges. The combination of the first and second structural elements is brought into contact with a plurality of heating elements at selected, spaced apart spots along an outer edge of the combination. Heat energy is applied at the spots to form a spot bonding between the first and second structural elements thereat by curing the binder at the spots. The remainder of the binder is left uncured, and the spot-bonded combination is then removed from the heating elements and subjected to subsequent treatment, including treatment in the atmosphere at such elevated temperatures that the spot bonds are post-cured and the remaining binder is fully cured.
REFERENCES:
patent: 4293363 (1981-10-01), Wakabayashi et al.
patent: 4446397 (1984-05-01), Johnson et al.
patent: 4577085 (1986-03-01), Burgher et al.
patent: 4602139 (1986-07-01), Hutton et al.
Induction Bonding, Robotron Corporation.
Induction Heating, Robotron Corporation.
Wel-Bond Induction Adhesive Bonding Systems & Development, Welduction Group.
Assembly Engineering, Hitchcock Publication, Mar. 1989.
Heating Without Flames by ELVA Induksjon A/S, publ. May 1988.
Olofstrom Induction Heating Station of In Line Heating of Adhesive Bonded Hems on Automotive Panel Assemblies, Volvo, 1987.
Dawson Robert A.
Elva Induksjon A/S
Engel, Jr. James J.
VanOphem Remy J.
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