A powder coating booth containment structure including first and second canopy halves, each of which is a substantially nonconductive, seamless, structural composite to substantially reduce oversprayed powder particle adhesion to the booth inner surfaces. The composite canopy halves, when assembled
A powder coating booth containment structure including first and second canopy halves, each of which is a substantially nonconductive, seamless, structural composite to substantially reduce oversprayed powder particle adhesion to the booth inner surfaces. The composite canopy halves, when assembled into a spray booth additionally including either a floor or a utility base and one or a pair of end units in the form of aperture bulkheads, vestibules, or a combination of both, are structurally sufficiently strong that no external support frame is required. The composite canopy halves can each include sidewall and ceiling portions, in an embodiment, that can be connected to a floor. In another embodiment, the canopy halves each additionally include a floor portion such that they may be connected together at a floor edge and placed atop a utility base. They may be connected to the utility base. In another embodiment, the canopy halves may each further include an integral end or ends, comprising aperture bulkhead or vestibule-type end portions. Methods of assembling these embodiments are also provided that require less time than for known powder coating spray booth assembly.
대표청구항▼
1. A powder spray coating booth, comprising at least one spray booth wall portion, wherein each wall portion comprises a first layer of reinforcing material, a second layer of core material adjacent to the first layer, a third layer of reinforcing material adjacent to the second layer, and resin, th
1. A powder spray coating booth, comprising at least one spray booth wall portion, wherein each wall portion comprises a first layer of reinforcing material, a second layer of core material adjacent to the first layer, a third layer of reinforcing material adjacent to the second layer, and resin, the resin binding the first, second, and third layers together thereby forming a composite structure; wherein each wall portion further comprises a fourth layer of resin, said fourth layer of resin adjacent to said first layer and forming an interior surface of the spray booth. 2. The spray booth of claim 1 wherein said core material comprises a closed cell foam. 3. The spray booth of claim 1 further comprising a veil layer between said first and fourth layers. 4. The spray booth of claim 3 wherein said veil layer comprises chopped strand mat. 5. The spray booth of claim 1 further comprising a fifth layer of unreinforced resin adjacent to said third layer of reinforcing material and forming an outer surface of the spray booth. 6. A wall section for a powder coating booth, comprising a first layer of reinforcing material, a second layer of core material adjacent to the first layer, a third layer of reinforcing material adjacent to the second layer, and resin, the resin binding the first, second, and third layers together thereby forming a composite structure; wherein the wall section further comprises a fourth layer of resin, said fourth layer of resin adjacent to said first layer and forming an interior surface of the wall section. 7. The wall section of claim 6 wherein said fourth layer comprises an unreinforced resin layer. 8. The wall section of claim 6 wherein said fourth layer comprises gelcoat. 9. The wall section of claim 6 wherein said core material comprises a closed cell foam. 10. The wall section of claim 6 further comprising a veil layer between said first and fourth layers. 11. The wall section of claim 10 wherein said veil layer comprises chopped strand mat. 12. The wall section of claim 6 further comprising a fifth layer of unreinforced resin adjacent to said third layer of reinforcing material and forming an outer surface of the wall section.
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