| 摘要 |
Process for molding sheets possessing, locally, a three-dimensional projecting or recessed structure , in which a blank sheet is placed between the two parts of a mold, the surface of which corresponds to the negative of said three-dimensional structure. At least one portion of the surface of the mould surrounding said negative possesses a feature intended to form a local reservoir able to supply or receive material of the three-dimensional structure depending on whether it is projecting or recessed, respectively.
|
