B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
117/32, 117/56,
B05B 7/14 (2006.01) B05D 1/12 (2006.01) B22D 41/02 (2006.01) F27D 1/16 (2006.01)
Patent
CA 2029904
ABSTRACT Company called: DAUSSAN ET COMPAGNIE "Machine for spraying a coating containing pulverulent and/or fibrous substances, method for spraying such a coating and coating thus obtained" (An invention of Jean Charles DAUSSAN, André DAUSSAN and Gerard DAUSSAN) The machine comprises means (1) for receiving the mixture of the substances forming the coating, means (6) for conveying the mixture to the lower part of the machine, lock chamber means (8) for distributing the mixture to a transport duct (13) in which the mixture is propelled pneumatically to a spraying tube (14) into which atomized water, or air and atomized water, are injected in order to make the mixture pasty so as to enable it to be sprayed and to set. It furthermore comprises at least one atomizer (16) of water, or of air and water, in order to premois- ten the mixture, the quantity of water injected at this stage being adjusted so that the mixture preserved the properties of a substantially dry product. Use in particular for reducing the emission of dust and lessening the quantity-of water required when spraying coatings containing high percentages of pul- verulent and/or fibrous substances and intended to set after wetting with water, in particular fire-protection coatings or coatings for thermal or acoustic or sound insulation or coatings for protecting the walls of a metallurgical vessel intended to receive liquid metal, and for at least partially eliminating the addition of dedusting oil to these coatings. See Figure 1.
Daussan Andre
Daussan Gerard
Daussan Jean-Charles
Daussan Andre
Daussan Gerard
Daussan Jean-Charles
Daussan Et Compagnie
Fetherstonhaugh & Co.
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