Patent References 3238691 3294301 3374602 3555768 3628301 3652363 3762125 3861983 Arrangement for aligning heat-sealable lids on mating product-filled containers Patent #: 4018028 InventorAssigneeApplicationNo. 800954 filed on 12/02/1991US Classes:53/485, By applying a separate preformed closure (e.g., lid, cap)53/51, REGISTER CONTROL53/329.3, Adapted to engage flange (e.g., outturned seam) of package cover53/478, Separate closure156/69, Application of end closures to containers156/361Of feed or motion of indefinite length work or transfer carrying tapeExaminersPrimary: Sipos, JohnAssistant: Moon, Daniel Attorney, Agent or FirmForeign Patent References
International ClassB65B 007/28Foreign Application Priority Data1990-12-03 FRAbstractA method of positioning a continuous strip of tops over a continuous set of receptacles prior to sealing, wherein the following steps are performed repeatedly;the set of receptacles is advanced past sealing means through a distance equal to one longitudinal pitch of the receptacles or a multiple thereof;simultaneously, the strip of tops is released over a length equal to one longitudinal pitch of the tops or a multiple of said pitch, with said strip being driven by the set of receptacles, and with the longitudinal pitch of the tops being slightly greater than the longitudinal pitch of the receptacles; andapplying deformation to a central zone of each top level with the sealing means so as to shift the edges between the not-yet sealed tops so that they overlie the corresponding edges between receptacles.Field of SearchApplication of end closures to containersOf feed or motion of indefinite length work or transfer carrying tape Means bringing articles into association with web REGISTER CONTROL With preliminary closure shaping and/or treatment Heated securing means Adapted to engage flange (e.g., outturned seam) of package cover Separate closure By applying a separate preformed closure (e.g., lid, cap) With preliminary closure shaping Continuous web cover material | |