| 摘要 |
A pierce turn tap is provided that consists of two parts, and wherein there is provided integral molded seals, and wherein the pierce turn tap is adapted to be mounted on plastic pouches. The pierce turn tap has an integral seat and an integral flange for sealing directly to a plastic pouch. The tap is especially suitable for holding in an automatic attachment system for the purpose of sealing directly on a plastic pouch. External concentric body flanges are provided to permit alignment and automatic attachment. A locking device is provided for receiving a tab of a box, such as a cardboard box, whereby the body of the tap is locked and cannot rotate when the tap handle is rotated in use. The pierce turn tap includes inner and outer members, the inner member having a piercing device thereon, and wherein the members have openings that can selectively register with each other to permit material from the pouch to be dispensed.
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