Patent ID: 6905323

Claim:
Device for producing the two-chamber containers, with an inner mandrel ( 15 ) and an outer mandrel ( 14 ), wherein the inner mandrel ( 15 ) can be inserted into and withdrawn from the outer mandrel ( 14 ), a die cavity for the cap ( 3 ) and a material feeder for supplying a heated portion of a thermoplastic polymer material into the die cavity ( 18 ) of a compression mould, characterised in that it has a device for winding a film round the driven-out inner mandrel ( 15 ) and a device for winding a film round the outer mandrel ( 14 ) and advanceable welding devices to produce longitudinal side seams ( 17 ) to produce tubs ( 11 , 12 ), wherein the mandrels ( 14 , 15 ) can both be inserted into and withdrawn from the die cavity ( 18 ) of the compression mould to produce a cap ( 3 ) with seal ( 8 ) and for connection to the walls of the chambers ( 1 , 2 ) formed, and in that each mandrel ( 14 , 15 ) has a projection ( 16 1 , 16 2 ) in the direction of the die cavity ( 18 ) for forming a channel ( 7 1 or 7 2 ) in the cap ( 3 ) connected to a chamber ( 1 or 2 ) in each case.