Patent References 2665832 2717730 2849848 2903832 3270483 Distributor for pasty products and a method of introducing the piston into the interior of the tubular body Back and leg stretcher Air operated plastic pail capper Patent #: 4864799 InventorsAssigneeApplicationNo. 551854 filed on 07/13/1990US Classes:53/489, By plugging closure into container53/321Closure flexing means (straightening or buckling)ExaminersPrimary: Sipos, JohnAttorney, Agent or FirmForeign Patent References
International ClassB65B 007/28Foreign Application Priority Data1989-07-19 FRAbstractThe invention discloses a method of and apparatus for inserting a lid, or plug closure, in a container body by use of a thrust member bearing on the back surface of the lid in which the thrust member is applied in such a way as to obtain a creasing of the lid when the pressure of the air trapped in the said body increases, this air then escaping between the lid and the container body. The invention is applicable to the fields of cosmetics, pharmaceuticals, hygiene products and foodstuffs. | |