Method for manufacturing an element having a curved surface from

Details Method for manufacturing an element having a curved surface from Method for manufacturing an element having a curved surface from

1984-03-09

1985-10-22

Simmons, David

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156245, 128118, B31D 302

Patent

active

045486654

ABSTRACT:
The rigidity of a panel of honeycomb material formed by parallel bands of thin metal spot-welded together and spread apart so as to form regular cavities, is broken by passing this panel in a gripped state between a plurality of cylinders 3, 4, 5 having a hard surface and whose axes are parallel and disposed in such manner as to produce in the panel as many changes in direction at roughly a right angle so as to fold or corrugate the walls of the cavities in a direction roughly parallel to the edges of the apices formed by the sides of the apices. A sandwich is formed by adhering at least one panel 6 treated in this way on a sheet 9 of a thermoplastic material, the sandwich is heated to a temperature for softening the thermoplastic material and the sandwich is placed on a form having the desired curvature and allowed to cool.

REFERENCES:
patent: 2609068 (1952-09-01), Pajak
patent: 2704587 (1955-03-01), Pajak
patent: 2742387 (1956-04-01), Giuliani
patent: 2988809 (1961-06-01), Hall
patent: 3133133 (1964-05-01), Fairbanks
patent: 3447163 (1969-06-01), Bothwell et al.
patent: 3670393 (1972-06-01), Almond
patent: 3949651 (1976-04-01), Spencer
patent: 3996087 (1976-12-01), May

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