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Force-resistant portable building
| Details |
Inventors: Bigelow, William H.;
Assignee:
Primary Examiner: Slack; Naoko
Assistant Examiner: Thissell; Jennifer I.
Attorney, Agent or Firm: McClung; Guy
The present invention discloses, in certain aspects, a portable building with a plurality of interconnected walls defining an interior space therebetween, a floor on which the walls are positioned, a roof structure connected on top of the walls, a layer of sprayed-on urethane material on at least one of the floor, walls, and roof structure, and a layer of force-resistant material on at least one of the floor, walls, and roof structure. |
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DETAILED DESCRIPTION What is claimed is: 1.
A portable building comprising a plurality of interconnected walls defining an interior space therebetween, a floor on which the walls are positioned, and a roof structure connected on top of the walls, a layer of sprayed-on urethane material on at least one of the floor, walls, and roof structure, a layer of force-resistant material on at least one of the floor, walls, and roof structure, and wherein at least one of the floor, roof and walls comprises a layer of netting structure which includes a layer of netting material and a layer of sprayed-on urethane material.
2.
The portable building of claim 1 wherein the layer of sprayed-on urethane material on at least one of the floor, walls, and roof structure is on an exterior surface of the portable building.
3.
The portable building of claim 1 wherein the layer of sprayed-on urethane material on at least one of the floor, walls, and roof structure is on an interior surface of the portable building.
4.
The portable building of claim 1 wherein the layer of force-resistant material on at least one of the floor, walls, and roof structure is on an exterior surface of the portable building.
5.
The portable building of claim 1 wherein the layer of force-resistant material on at least one of the floor, walls, and roof structure is on an interior surface of the portable building.
6.
The portable building of claim 1 further comprising air conditioning apparatus for conditioning air within the portable building.
7.
The portable building of claim 1 wherein the roof structure comprises a roof member, a covering on the roof member, the covering comprising sprayed-on urethane material, wherein the roof member has an outer edge comprising two pairs of opposed edges and the covering having a lower lip projecting inwardly toward the walls beneath the outer edge of the roof member and positioned adjacent to and beneath the two pairs of opposed edges.
8.
The portable building of claim 1 wherein at least one of the floor, roof and walls comprises two spaced-apart body members with a vacuum therebetween
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Vibration and Earthquake Isolation 
