PROCESSO PARA PROVER A FACE INTERIOR DA ABERTURA DO GARGALO DE UM RECIPIENTECOM UM CASQUILHO DE MATERIAL SINTETICO

摘要

Method of providing the inner side of a neck of a vessel with a synthetic sleeve provided with inner screw thread for a closure stop (15) said sleeve being provided with an outer collar (8) with the shape of a truncated cone having its smallest diameter at the outer end and smaller than the inner diameter of the neck (3) and its largest diameter larger than the inner diameter of the neck, which sleeve in heated condition is pressed into and through the neck until the collar snaps outwardly over the edge of the neck.