US 6,981,657 B1 | ||
Apparatus for applying foam material to a substrate | ||
Richard A. West, 31303 Nantucket Row, Bay Village, Ohio 44140 (US) | ||
Assigned to Richard A. West, Bay Village, Ohio (US) | ||
Filed on Jan. 25, 2002, as Appl. No. 10/55,085. | ||
Int. Cl. B05B 3/00 (2006.01); B05B 3/18 (2006.01); B05B 13/02 (2006.01); A01G 27/00 (2006.01); B05C 5/00 (2006.01) |
U.S. Cl. 239—227 | 29 Claims |
1. In apparatus comprising depositing means for depositing a layer of foamed plastic material on an underlying roof surface along a run of a path having a beginning end and an ending end, support means for supporting said depositing means for movement on said underlying surface along said path, moving means for moving said support means along said path, and control means for controlling said moving means, the improvement comprising: said control means including means controlling said moving means for varying the rate of movement of said support means along said run of said path for a layer of foamed plastic material deposited on said underlying surface to slope uniformly relative thereto along at least a portion said run of said path between said beginning end and said ending end. |