发明名称 |
UN METODO PARA LA FABRICACION DE HOJAS DE MATERIAL DE RECU-BRIMIENTO. |
摘要 |
<p>A method for the manufacture of wide sheets of water impermeable coating material useful in hydraulic engineering which comprises passing carrier sheet having a width in excess of 4 meters through a molten petroleum bitumen coating composition, coating said carrier sheet on both sides with said coating composition and placing the resultant coated sheet as soon as possible onto a conveyor belt while inserting between said coated sheet and said conveyor belt a surfacing material comprising one or more paper strips and a strip of plastic film easily removed from the coated carrier sheet after cooling in a manner such that the strip of plastic film forms a lateral boundary of the surfacing material.</p> |
申请公布号 |
ES407335(A1) |
申请公布日期 |
1975.11.16 |
申请号 |
ES19350004073 |
申请日期 |
1972.10.05 |
申请人 |
BITUMARIN N. V.;N. V. ASPHALT - EN CHEMISCHE F. |
发明人 |
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分类号 |
B05D5/00;B05D7/02;B32B27/00;D06N5/00;E04D5/02;(IPC1-7):32B/;06N/;02D/ |
主分类号 |
B05D5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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