Patent EA-002651-B1 (EA)
Title: Light building panel, process and apparatus for continuos manufacturing of light building panels with mineral filling
Inventor: ZUPANCIC DANIJEL
IPC: B32B7/00
Filed: 1999-02-02
Abstract: 1. A light building panel, characterized in that it comprises at least one of the following: (a) shielding means for protection against environment; (b) formative means for giving form and strength; (c) a filling of mineral wool and/or glass wool and/or a combination of insulation materials; (d) connecting means for connecting shielding and/or formative means with filling. 2. The light building panel according to claim 1, characterized in that comprises at least one of the following characteristics: (a) at least one surface of the light building panel is equipped with at least one protrusion and/or at least one rib in longitudinal direction; (b) the upper and the lower shielding and/or formative means are symmetrical with regard to longitudinal axis of the light building panel; (c) the shielding and/or formative means feature endings and/or protrusions to facilitate interconnecting between adjacent light building panels during mounting and/or overlapping with adjacent light building panels during mounting; (d) interconnection between adjacent building panels is facilitated using sealing means. 3. The light building panel according to claim 1 or 2, characterized in that the protrusions and/or the ribs on shielding and/or formative means feature trapezoidal cross sections with a width of narrower of both base sides of the trapezoid ranging from 20 mm to 30 mm, an inner angle of the trapezoid between 23 and 33 degree  and distance between both base, parallel, sides ranging from 33 mm to 40 mm. 4. The light building panel according to claims 1 to 3, characterized in that the mineral wool, glass wool, and/or other insulation material comprises one of the following densities: (a) between 115 kg/m<3> and 135 kg/m<3> for fireproof light building panels with appropriate mechanical characteristics; (b) between 135 kg/m<3> and 165 kg/m<3> for light building panels used for walkable essentially flat roofs or for those panels which should withstand usual loading during exploitation and/or local pressure load. 5. The light building panel according to claims 1 to 4, characterized in that the combination of the insulating materials is performed in at least two layers. 6. An apparatus for continuous manufacturing of light building panels with mineral filling with mineral filling as an insulation whereby said panels are manufactured by cutting of continuous band of the light building panel, characterized in that it comprises decoiling means for decoiling of shielding and/or formative means, profiling means for profiling of said shielding and/or formative means, insertion means for insertion of ribs of mineral filling, preheating means for heating of elements of the band of light building panel, application means for application of connecting means, a double band device (11), cutting means, cutting and arranging means for cutting and sorting of lamellas (26) into a band of lamellas (89) and/or unloading transporting means for loading of the light building panels on the pads (51) and elements of the light building panels comprising shielding means, formative means and/or filling of mineral wool and/or combinations of insulation materials connected thereto. 7. A process for continuous manufacturing of light building panels with mineral filling, said mineral filling serves as an insulation whereby said panels are manufactured by cutting of continuous band of the light building panel, characterized in that it comprises: assembling a continuous band of the light building panel comprised of elements of the light building panel comprising shielding means, formative means and/or filling of mineral wool and/or combinations of insulation materials using processes comprising of decoiling of shielding and/or formative means, cutting and arranging of lamellas (26) into a band of lamellas (89), inserting ribs of mineral filling, heating of elements of the band of the light building panel, application of connecting means on the elements of the band of the light building panel; connecting of the elements of the band of the light building panel within a double band device (11); cutting of the band of the light building panel into the light building panels of predetermined length; loading of finished light building panels on pads (51). 8. The process for continuous manufacturing of light building panels according to claim 1 using the mineral filling as an insulation whereby, said panels are manufactured by cutting of continuous band of the light building panel, characterized in that it enables manufacturing of fireproof light building panels, light building panels of modulus ranging from 200 mm to 1200 mm, light building panels using mineral wool fillings with various characteristics, light building panels for essentially flat roofs with flexible material bands and condensate shielding coating. 9. The process according to claims 7 and/or 8, characterized in that comprises: (a) decoiling with at least one decoiler (2) of upper shielding and/or formative means; (b) decoiling with at least one decoiler (1) of lower shielding and/or formative means; (c) changing of sheets with a double carriage at reduced velocities of the band of lamellas (89); (d) positioning of tools on cassettes enabling fast and simple changing of tools. 10. The process according to any of claims 7 to 9, characterized in that comprises: (a) cutting of mineral filling panels (81) with a set of at least two circular saws (33) into lamellas (26); (b) changing the direction from essentially perpendicular to the longitudinal lamella (26) axis to essentially parallel to the longitudinal lamella (26) axis; (c) separation into individual lamellas (26) or groups thereof using sorting feeder (84) and turning of individual lamellas (26) or groups thereof for essentially right angle around center of turning table (85); (d) transporting individual lamellas (26) to sorting feeder (84) with a velocity which exceeds accommodating velocity of sorting feeder (84) thereby ensuring longitudinal contact between individual lamellas. 11. The process according to any of claims 7 to 9, characterized in that comprises: (a) formation of a set of lamellas (86) comprising at least two one from another separated yet sidelong aligned lamellas by means of separators whereby said set of lamellas (86) is transported: -during a start-up until it reaches a rearranging device (87) whereby parquet-like assembly is assembled by rearranging of lamellas; -during normal operation until it reaches previously assembled set of lamellas; resulting in sidelong shifted set of lamellas (86); (b) establishment of continuous band of lamellas (89) comprising at least two adjacent and sidelong connected lamellas (26) whereby said band (89) is driven by at least one side guiding belt (88) which exerts side force and whereby the band of lamellas (89) features parquet-like appearance when observed from above; (c) establishment of longitudinal force via means of the side guiding belt (88) velocity which exceeds velocity of the band of lamellas (89). 12. The process according to any of claims 7 to 9, characterized in that comprising inserting corrective lamella (26) to remedy corrupted parquet-like order. 13. The process according to any of claims 7 to 9, characterized in that a set of at least two circular saws (33) performs simultaneous cutting of mineral filling panel (81) into individual lamellas (26) of predetermined thickness. 14. The process according to any of claims 7 to 9, characterized in that the trimming and milling process applied to the band of lamellas (89) comprises at least one of the following steps: (a) trimming using at least one circular saw (35) in longitudinal direction; (b) simultaneous trimming using at least two coaxially positioned circular saws (35), said saws (35) distanced for a width of the band of lamellas (89); (c) breaking of trimmed-off edges; (d) milling of at least one edge of the band of lamellas (89) with at least one milling tool (37). 15. The process according to any of claims 7 to 9, characterized in that the trimming is followed by suction of remnants from the surface of mineral filling using suction means. 16. The process according to any of claims 7 to 9, characterized in that an application of connecting means is performed in a think layer whereby essentially uniformly applied quantity of connecting means does not exceed 500 g/m<2>. 17. The process according to any of claims 7 to 9, characterized in that the application of connecting means is performed essentially uniformly in a film or droplets over essentially whole width of the band of lamellas (89) whereby the adhesive application device (9) applies a coating of the connecting means on upper and/or lower side of the band of lamellas (89) by periodic or oscillatory moves essentially perpendicular to the movement of the band of lamellas (89). 18. The process according to any of claims 7 to 9, characterized in that the connecting means is an adhesive, and: (a) a quantity of applied adhesive ranges between 90 to 110 g/m<2>, or, alternatively (b) the use of adhesive ranges between 0.1 to 0.5 kg/m<2> and further the use of water is up to 45 % (weight) of adhesive; whereby said values are valid for individual layer of adhesive on one of the base surfaces of the band of lamellas (89) and whereby the adhesive features the following characteristics: viscosity up to 2 Pas; density up to 1500 kg/m<3>, reaction time in a laboratory: open time 15-20 sec, or, alternatively, open time over 64 sec; developing in a double band device (11) at temperature of up to 50 degree C for up to 3 minutes. 19. The process according to any of claims 7 to 9, characterized in that double band device (11) is comprised of two parallel bands of shielding and/or formative means supported and/or guided by supporting means and the band of lamellas (89) guided into between said parallel bands from the side whereby an angle formed by a projection of one of longitudinal edges