| 摘要 |
A method of molding a container closure providing selective fluid communication between an interior of a fluid container and an exterior environment, the method comprising: (i) configuring and closing a mold having a first cavity negatively defining a base of a container closure that includes a spout and a container mount, where the spout and container mount cooperate to define a conduit therethrough in fluid communication with an outlet orifice of the spout; (ii) injecting a first material into the first cavity to mold the base; (iii) cooling the first material in the mold to impart at least minimal rigidity to the base; (iv) reconfiguring at least a portion of the mold to define a second cavity adjacent to the first material, the second cavity negatively defining a cap covering the outlet orifice of the spout; (v) injecting a second material into the second cavity to mold the cap over the outlet orifice; (vi) cooling the second material in the mold to impart at least minimal rigidity to the cap; and (vii) removing the base and integrally formed cap from the mold.
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