B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 25/08 (2006.01) B32B 27/18 (2006.01)
Patent
CA 2744271
An acoustical plaster system teatures a base layer mixture and a finish layer mixture. The base layer mixture includes a first binder, a first thickener and a plurality of first particles, with the first particles being porous, lightweight, non-close packing particles having a first mean diameter. The finish layer mixture includes a powder latex binder, a second thickener and a plurality of second particles, with the second particles being porous, lightweight particles having a second diameter. The first mean diameter is larger than said second mean diameter. Image
L'invention porte sur un système de plâtre acoustique qui comprend un mélange de couche de base et un mélange de couche de finition. Le mélange de couche de base comprend un premier liant, un premier épaississant et une pluralité de premières particules, les premières particules étant des particules poreuses, légères et de compactage lâche, avec un premier diamètre moyen. Le mélange de couche de finition comprend un liant de latex pulvérulent, un second épaississant et une pluralité de secondes particules, les secondes particules étant des particules poreuses, légères, ayant un second diamètre. Le premier diamètre moyen est supérieur audit second diamètre moyen.
Company United States Gypsum
Gowling Lafleur Henderson Llp
LandOfFree
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