Method for reinforcing a double-shell structure

Details Method for reinforcing a double-shell structure Method for reinforcing a double-shell structure

2006-10-10

2006-10-10

Rossi, Jessica (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C029S402010, C029S402090

Reexamination Certificate

active

07118640

ABSTRACT:
The invention concerns a method for reinforcing a double-shell structure in which a cellular core (2) is arranged between a first shell (5) and a second shell (6). In the method according to the invention, at least one cavity is formed in the double-shell structure from an opening in the first shell into the cellular core (2) so that the cavity substantially extends through the cellular core (2) to the second shell. Fixative (8) is injected into the cavity. A stiff bar (7) is introduced into the cavity, whereupon excess fixative (8) is allowed to pass out of the cavity. Finally, the fixative left in the cavity is cured.

REFERENCES:
patent: 3019865 (1962-02-01), Rohe
patent: 4978404 (1990-12-01), Westerman, Jr.
patent: 5190611 (1993-03-01), Cologna et al.
patent: 5207541 (1993-05-01), Westerman et al.

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