The fire-resisting value of a wood door encased in tin depends upon the exclusion of oxygen from the wood, thereby retarding or preventing combustion, and also upon the degree to which bulging in the covering can be prevented when the door is exposed... Proceedings - Página 98por Brooklyn Engineers' Club - 1910Vista completa - Acerca de este libro
| George Velten Steeb - 1902 - 230 páginas
...between the sheets. Soldered joints must not be used, as the solder will melt and the joints come apart. The fire resisting value of a wood door encased in...or preventing combustion. To obtain this result the tin must be so applied that during exposure to fire the tin will not leave the door nor will any joints... | |
| Francis Cruger Moore - 1903 - 890 páginas
...should be taken to have all edges and corners smooth and square. 6. Tin Covering. The fire-resisting value of a wood door encased in tin depends upon the...or preventing combustion. To obtain this result the tin must be so applied that during exposure to fire the tin will neither leave the door nor trill any... | |
| Peter Joseph McKeon - 1912 - 280 páginas
...edges of the door. All edges or corners of the door should be smooth and square. Tin Covering. — The fire resisting value of a wood door encased in...wood, thereby retarding or preventing combustion, and also, upon the degree to which bulging in the covering can be prevented when the door is exposed... | |
| Joseph Kendall Freitag - 1912 - 1090 páginas
...inches apart, placing the outer rows -near the edges of the door. Tin Covering. — The fire-resisting value of a wood door encased in tin depends upon the...wood, thereby retarding or preventing combustion, and also upon the degree to which bulging in the covering can be prevented when the door is exposed... | |
| 1915 - 672 páginas
...first conflagration." MATERIALS, APPARATUS, PROCESSES A FIRE DOOR IN WHICH FIRST COST IS FINAL COST. The fire resisting value of a wood door encased in...wood, thereby retarding or preventing combustion, and also upon the degree to which bulging in the covering can be prevented when the door is exposed... | |
| Charles Carroll Dominge - 1918 - 568 páginas
...counterweights being used. The melting point of fusible link is usually 165 deg. F. The fire-resisting value of a wood door encased in tin depends upon the exclusion of oxygen from the wood, therefore retarding or preventing combustion, and also upon the degree to which bulging in the covering... | |
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