Machine for the production of sheet elements from composite material

Abstract

The machine has a heated plate, a conveyor for conveying the elements along a conveyor path leading across the heated plate, a top part vertically movable with respect to the heated plate, a membrane disposed on the top part and a separating film disposed between the membrane and the heated plate which can be moved synchronously with the conveyor. The separating film is divided into sections and every section is retained exclusively by a single edge oriented transversely to the conveying path by a retaining device. The sections therefore sit loosely on the elements free of tension. The membrane lies against a peripherally extending peripheral face of the top part facing the heated plate and can be moved directly onto the plane of the surface of the heated plate in order to form a closed chamber with it. Finally, the membrane is connected to a clamping device.

1 . A machine for producing board-shaped elements of composite material comprising:
 (a) a heated plate comprising a heated plate surface and a heated plate edge;   (b) a conveyor for conveying the elements along a conveyor path leading across the heated plate;   (c) a top part vertically movable relative to the heated plate and comprising a peripherally extending peripheral surface facing the heated plate;   (d) at least one clamping device disposed on the top part generating a force;   (e) a membrane connected to the at least one clamping device, said membrane being disposed against the peripheral surface of the top part and having a membrane surface lying opposite to the peripheral surface sealed on the heated plate surface or on the heated plate edge; and   (f) a separating film disposed between the membrane and the heated plate and movable synchronously with the conveyor.   
     
     
         2 . The machine as claimed in  claim 1 , wherein the at least one clamping device is connected to the membrane by clamp mechanisms. 
     
     
         3 . The machine as claimed in  claim 2 , wherein every clamp mechanism comprises two clamping jaws which can be clamped to one another by screws and have longitudinally disposed recesses and clamp the membrane between the clamping jaws, and a deflector section deflecting the membrane is inserted in at least one of the recesses. 
     
     
         4 . The machine as claimed in  claim 1 , wherein the at least one clamping device comprises a piston cylinder unit. 
     
     
         5 . The machine as claimed in  claim 1 , wherein the at least one clamping device is connected to the membrane via a traction device.