<p>The multi-chamber containers with a dispenser/doser are blow molded as a single integral item. They then are fitted with dip tubes with the dip tubes with the dip tube fitment forming a seal in the transition of the container to the dispenser/doser. The dividing walls in the container are continued up into and through the dispenser/doser. The base is of a high impact structure having outwardly convex walls. A closure with a rotatable contact surface seals the container. The container preform is made by injection molding using an elongated gate pad in one embodiment in another embodiment an arrangement of recesses on the ends of the core projections with a complementary shaped gatepad. The webs of the container are of a thickness so that they flex upon a compression force being applied to the container walls.</p>
申请公布号
CA2158705(A1)
申请公布日期
1996.03.22
申请号
CA19952158705
申请日期
1995.09.20
申请人
COLGATE-PALMOLIVE COMPANY
发明人
DEARDURFF, LAWRENCE R.;DURHAM, DANIEL J.;SHERMAN, ADAM;DEL'RE, SALVATORE N.;MCKINNEY, JAMES C.;SEMERSKY, FRANK E.