Flow control insert
AssigneeObrist Closures Switzerland GmbH
InventorMartin Carey Bull
Life of this patent
Estimating the term…
Abstract
A flow control insert (102) for a dispensing closure is provided. The insert has a plurality of dispensing slits (that define petals. (120,122,124,126). The petals are formed in an open position and are closed upon assembly of the insert into a dispensing closure.
Claims14
A flow control insert for a dispensing closure, the flow control insert consists of a single piece molding having an axis, the flow control insert including a head which has a plurality of dispensing slits that define petals, in an as-molded condition the petals are formed in an open position, in which the petals are closed upon assembly of the flow control insert directly into a dispensing closure, wherein geometry of the flow control insert in the as-molded condition is selected so that when the flow control insert is directly inserted into the dispensing closure, pressure is applied to the head, along the axis and against the petals, by the dispensing closure, and the petals close to provide a seal.
A flow control insert in combination with a dispensing closure having a housing adapted to receive the flow control insert, the flow control insert consists of a single piece molding having an axis, the flow control insert having an insert engagement means adapted to engage the housing and thereby to be received directly into the dispensing closure housing in use, the flow control insert has a head having a plurality of dispensing slits that define petals, in an as-molded condition the petals are formed in an open position, in which the petals are at least partially closed upon assembly into the dispensing closure by pressure applied to the head, along the axis and against the petals, by the dispensing closure.
Dependencies are inferred from the claim text.