VORRICHTUNG ZUM HERSTELLEN VON EINEM THERMOPLASTISCHEN ARTIKEL MIT EINEM HINTERSCHNITTENEN QUERSCHNITT

摘要

PCT No. PCT/IT94/00046 Sec. 371 Date Dec. 13, 1995 Sec. 102(e) Date Dec. 13, 1995 PCT Filed Apr. 18, 1994 PCT Pub. No. WO95/28272 PCT Pub. Date Oct. 26, 1995The equipment comprises a molding element (16) having a working surface (18) against which a previously-heated sheet (12) of thermoplastic material is urged. The equipment comprises at least one movable element for defining a cavity (38) with an undercut cross section which, in use, encloses a portion of the sheet (12) to be molded and compressed-air supply means (36) which brings about the deformation of at least one portion of the sheet (12) by means of a jet of compressed air.