Patent ID: 7947209

Claim:
Method for the production of a water barrier in a roofing tile not yet hardened, characterized by the following steps: a) lower mold halves ( 53 , 54 , 55 ) coming from a roofing tile machine with the green roofing tiles ( 46 , 47 , 48 ) thereon are supplied to a forming station ( 40 to 43 , 45 ) by means of a feed conveyor ( 50 ), b) a supplied lower mold half ( 53 ) is pressed by a slider ( 52 ) of a first carriage ( 42 ) onto a stop ( 51 ) of a second carriage ( 43 ), c) the first carriage ( 42 ) is guided along a cam ( 21 ), with the ram ( 4 ) forming the water barrier ( 11 ) onto the green roofing tile ( 47 ) by means of a lever mechanism ( 16 , 17 ), and d) the stop ( 51 ) is subsequently removed and the lower mold half ( 53 ) is pushed by the slider ( 52 ) onto a removal conveyor ( 56 ).