B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 29/02 (2006.01) B32B 7/12 (2006.01) B32B 27/10 (2006.01) B32B 27/40 (2006.01) B32B 37/12 (2006.01)
Patent
CA 2518564
The invention serves to configure the production of laminated floorboards in conjunction with rear sound damping in a less complicated manner. For this purpose, a compensating element, in particular and impregnated backing, is provided in which an impregnated paper (1) is joined to an insulating underlay (2) . By means of the use of the compensating element in a laminated floorboard, in which the insulating underlay (2) is used as a sound-damping material layer (2), in particular using an adhesive coating (3) between paper and underlay (2), a halving of the sound pressure as compared with a standardized reference floor construction can be demonstrated in a footfall test. A series of further, in particular process engineering, environmentally friendly and logistical advantages are associated with the use of the process and apparatuses according to the invention for production of compensating element and laminated floorboard, such as the omission of specific fabrication steps, a reduced use of formaldehyde and the ability to use simplified transport apparatuses, as compared with processes which are conventionally used.
Beck Elmar
Campo Claude
Miclo Thierry
Strub Jean-Jacques
Zierold Mark
Dakor Melamin Impraegnierungen Gmbh
Smart & Biggar
LandOfFree
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