... or beneath the floor on which the machines are placed to which such wheels are attached. All bends, turns or elbows in such pipes must be made with easy smooth surfaces having a radius in the throat of... Annual Report - Página 6de Illinois. Dept. of Factory Inspection - 1898Visualização completa - Sobre este livro
| Wisconsin. Bureau of Labor and Industrial Statistics - 1901 - 1140 páginas
...discharged into the aforesaid hood or hopper. All branch pipes must enter tue main trunk pipe at any angle of forty-five degrees or less; the main suction or trunk pipe shall be below the emery or buftiug wheels, and as close to the same as possible, and to be either upon the floor or underneath... | |
| 1908 - 1132 páginas
...column of water not less than five inches high in a U-snaped tube. All branch pipes must enter the main trunk pipe at an angle of forty-five degrees or less. The main suction, or trunk pipe, shall r>e below the polishing or buffing wheels and as close to tho same as possible and to be either upon... | |
| Illinois - 1897 - 792 páginas
...pipe, etc.] Sec. 3. Each and every such wheel six inches or less in diameter shall be provided with л three-inch suction pipe; wheels six inches to twenty-four...suction or trunk pipe shall be below the emery or buffimg wheels and as close to the same as possible, and to be either upon the floor or beneath the... | |
| 1898 - 1026 páginas
...column of water not less than five inches iu a U-shaped tube. All branch pipes must enter the main-trunk pipe at an angle of forty-five degrees or less, the main suction or trunk pipe shall be below the emory or bufliug wheels and as close to the same as possible, and to bo either upon tho floor or beneath... | |
| New York (State). Office of Factory Inspectors - 1898 - 846 páginas
...at an angle of 45 degrees or less, the main suction »r trunk pipes •hall be below the polishing or buffing wheels, and as close to the same as possible, and to bo either upon the floor or beneath the floor on which the machines are placed to which such wheels... | |
| Wisconsin - 1899 - 856 páginas
...forty-live degrees or less; tlie main suction or trunk pipe shall be below the emery or buffina: wheels, ami as close to the same as possible, and to be either upon the .floor or underneath the floor on which the machines are placed to which such wheels are attached. All bends,... | |
| Michigan - 1899 - 704 páginas
...suction, or trunk pipe, trunk pipesshall be below the polishing or buffing wheels and as close "p^pos'tSJn to the same as possible and to be either upon the floor or be- ofneath the floor on which the machines are placed to which such wheels are attached. All bends,... | |
| Wisconsin - 1901 - 1398 páginas
...discharged Into the aforesaid hood or hopper. All branch pipes must enter the main trunk pipe at any angle of forty-five degrees or less; the main suction...wheels, and as close to the same as possible, and to be cither upon the floor or underneath the floor on which the machines are placed to which such wheels... | |
| Great Britain. Parliament. House of Commons - 1901 - 826 páginas
...than 5 inches in a U-shaped tube. All branch pipes must enter the main trunk pipe at an angle of 45° or less ; the main suction or trunk pipe shall be...wheels, and as close to the same as possible, and be either upon the floor or beneath the floor on which the machines are placed to which such wheels... | |
| New Jersey. Bureau of Industrial Statistics - 1904 - 726 páginas
...column of water not less than five inches in a U-shaped tube ; all branch pipes must enter the main trunk pipe at an angle of forty-five degrees or less;...buffing wheels and as close to the same as possible, and shall be either upon or beneath the floor on which the machines are placed to which such wheels are... | |
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