Patent ID: 6852183
Filing Date: 2005-02-08
Classification: B29C,B29K,B29L,B64D,B64F,Y02T

Abstract:
1. Sealing method, used inside a hollow structure defining a confined volume or cavity, taking place by joining together at least two structural parts, which belong to the hollow structure and between them define a line portion leaking to the outside of the said hollow structure, with a bonding material of the adhesive and thermosetting mastic type, the said method comprising the following steps: (a) a moveable IR source of infrared radiation, in a wavelength spectrum of between 2 and 10 μm with an emission surface suitable for irradiating the leak line portion, is used; (b) said bonding material, chosen according to its thermosetting characteristics, namely thermosetting time in relation to respectively different thermosetting temperatures, is used in order to obtain, after thermosetting, a predetermined hardness and/or the absence of tack; (c) the said structural parts are connected with a bead of the bonding material along the leak line portion; (d) the IR source is placed inside the hollow structure in a position to illuminate the bead of bonding material; (e) the IR radiation is emitted in the illumination position of the said IR source; and (f) a working temperature (T