Patent ID: 6352421
Filing Date: 2002-03-05
Classification: B29C

Abstract:
Mold for the production of partially expanded bodies with a PVC-based embryo cellular structure, which can be charged with a paste containing PVC, expanding substances, stabilizers and liquids containing isocyanates and which can be used in a press operationally associated with heating and cooling means which are designed to subject said paste to the combined action of an increase in pressure and variation in temperature, said mold (1) being peripherally bounded by a perimetral edge (2) designed to define a containing area (3) for receiving said paste and producing said partially expanded bodies with an embryo cellular structure, wherein the containing area of said mold (1) is divided by a separation baffle (6) into at least two compartments, a main compartment (4) and a secondary compartment (5), which communicate with each other by means of connection channels (8) formed on said separation baffle (6).