Method for producing sandwich type structural components

Details Method for producing sandwich type structural components Method for producing sandwich type structural components

1978-07-28

1981-05-05

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

523097, 523098, 523099, 52743, 156 78, 156 79, 156 81, 156 91, 156253, 156293, 428 71, 428 73, 428103, 428117, 428138, B32B 3116, B32B 312

Patent

active

042656885

ABSTRACT:
The present invention relates to a method for producing sandwich type structural components having a honeycomb core interposed between two cover layers. These cover layers are preferably made of fiber reinforced synthetic material. Force introduction points are formed in the structural components by insertion of a core filler mass in the form of a prepolymer which reacts to become a thermoplast. Force introducing connecting elements are connected to the force introducing points by melting these connecting elements into the core filler mass especially by using ultrasonic energy, for example, for an ultrasonic welding operation.

REFERENCES:
patent: 2744042 (1956-05-01), Pace
patent: 3644158 (1972-02-01), Strumbos
patent: 3886023 (1975-05-01), Deplante
patent: 4076877 (1978-02-01), Tanzen
W. Schonthaler et al., "Ultrasonic Joining of Duroplastics", Kunststoffe, l. 64, No. 5 (1974) pp. 239, 240, 245.
H. Huble, "Ultrasonic Welding Today", Industrie-Anzeiger, vol. 97, No. 41 (May 21, 1975) pp. 810-813.

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