Method and apparatus for manufacturing roof tiles.
摘要
<p>In the manufacture of roof tiles comprising extruding a continuous shaped ribbon of tile forming material onto a succession of pallets, and cutting the ribbon where pallets adjoin to form individual green state tiles on pallets, there is performed the step of causing a cutting tool to engage with the upper surface of the ribbon only for part of the length of each pallet whereby a recess is formed in the upper surface of each tile. In a particular embodiment the recess is a channel cut in the tile at a location immediately downstream of the extruding step. The recess is also subsequently smoothed by applying a smoothing roll thereto.</p>
申请公布号
EP0174760(A2)
申请公布日期
1986.03.19
申请号
EP19850305999
申请日期
1985.08.22
申请人
REDLAND ROOF TILES LIMITED
发明人
OBEROI, BHUSAN KUMAR;SMITH, FRANK ARTHUR;RAE, MALCOLM CHARLES;BAKER, ROBIN MILFORD, DR.;SARGEANT, PAUL ROGER;PAPPER, ERNEST GEORGE