received by the International Bureau on 8 May 2015 (08.05.2015)

NEW CLAIMS

1. A foam-generating mixture for the forming of thermal insulation foam, which consists of at most 3 volume parts first component (A), at most 3 volume parts second component (B) and at most 4 volume parts third component (C), wherein the first component (A) is water-glass, the second component (B) is polymethylene-polyphenyl-polyisocyanate, the third component (C) is the mixture of at least 65 v% tris(2-chloro-isopropyl)-phosphate, at most 10 v% benzyl-dimethyiamine, at most 10 v% cyclohexyl-dimethylamine and at most 15 v% foam-forming agent.

2. The foam-generating mixture of Claim 1 , wherein the amount of the foam- forming agent in the third component (C) is at least 5 v%.

3. The foam-generating mixture of Claim 2, wherein the amount of the cyclohexyl-dimethylamine in the third component (C) is at least 2.5 v%.

4. The foam-generating mixture of Claim 3, wherein the amount of the benzyl- dimethyiamine in the third component (C) is at least 2.5 v%.

5. Equipment (1 ) for the formation and dispensing a foam-generating mixture, which has a house (2), a pump (10) arranged in the house (2), a motor (M) driving the pump (10), and has valves (7, 8, 9) connected to the pump (10), which valves can also be connected to the tanks (4, 5, 6) serving the storage of the components (A, B, C) of the foam- generating mixture, and the pump (10) is connected to a spray head (18a) with nozzle (18), characterized that the pump (10) is formed from at least two pump-houses (10a, 10b), and in each pump-house (10a, 10b) piston houses are arranged with the same design, and with the same number of piston houses as the number of components (A, B, C), and the inlet (Bm) of each piston houses (13) is connected to the tanks (4, 5, 6), the outlet (Km) is connected to the mixing head (17) connected to the spray head (18), and the pistons (13a) of each pump- houses (10a, 0b) are fixed to a common piston-rod (11 a), which is connected by bearing to the output shaft (Te) of the excenter drive (12), and the movement direction (N) of the pistons (13a) of the pump-house (10a) encloses an angle with the movement direction (N) of the pistons (13a) of the pump-house (10b).

6. The equipment (1) of Claim 5 which has two pump-houses (10a, 10b), and the movement direction (N1) of the pistons (13a) of the first pump-house (10a) encloses a right angle with the movement direction (N2) of the pistons (13a) of the second pump-house (10b).

7. The equipment (1 ) of Claim 5 which has n number of pump-houses (10a, 10b), and the movement direction (Nn) of the pistons ( 3a) of the n^th pump-house ( 0n) encloses a 90°/2^n"2 angle with the movement direction (Nn-1 ) of the pistons (13a) of the (n-1)^lh pump- house (10b).

8. The equipment (1) of Claim 6-7 in which between the mixing head (17) and the pump (10) a reversing valve-block (16) is connected to the mixing head (17) and the pump, per components (A, B, C).

9. Method for repairing the cavity (22) occurred in the insulation material (24) of the thermal insulation (19) of building boundary wall structures (19), during which the location and extension of the cavity (22) is determined, and the building boundary wall structure ( 9) is explored in the location of the cavity (22), and liquid foam-generating mixture is introduced into the cavity, characterized that the localization and extension of the cavity (22) is determined by the evaluation of the thermal camera recording prepared about the wall structure (19), and the liquid foam-generating mixture is prepared by mixing the first component (A), second component (B) and third component (C), during which water glass is used as first component (A), polymethylene-polyphenyl-polyisocyanate is used as second component (B), and a mixture containing at least 65 v% tris(2-chloro-isopropyl)-phosphate, at most 10 v% benzy!-dimethylamine, at most 10 v% cyclohexyl-dimethylamine and at most 15 v% foam-forming agent is used as third component (C) and during exploration at least one bore (F) is prepared on the wall surface (20, 21 ) of the boundary wall structure (19) falling on the area of the cavity, and the liquid foam-generating mixture is introduced into the cavity (22) through the bore (F) with steady p(x) pressure with changes sinusoidally between at most p(x)max (sin 90°) and least p(x)min (sin 135°), while the residues of the insulation material (25) in the thermal insulation (24) cavity (22) are washed to the wall of the cavity (22), and/or enclosed by the foam-generating mixture.

10. Method of Claim 9, characterized that the during of the exploration the cavity (22) is surrounded on the borderline of the cavity (22) with bores (F), drilled into the wall surface (20, 21) about 0.6-0.8 m away from each other, preferably with 16 mm diameter.

11. Method of Claim 9, characterized that the during of the exploration bores (F) are made on the wall surface (20, 21) of the building boundary wall structure (19) in the range corresponding to the area of the cavity (22), about 0.6-0.8 m away from each other.

12. Method of Claim 9, characterized that a steady pressure is used p(x) = Isin (x+90°/2^<n'2))l, wherein x is the angular position of the piston (13a), n is the number of the pump-houses (10a, 10b).