Port tube closure assembly

Details Port tube closure assembly Port tube closure assembly

2005-03-22

2005-03-22

Nolan, Sandra M. (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S476100, C428S516000, C428S519000, C428S521000

Reexamination Certificate

active

06869653

ABSTRACT:
The present invention provides a flowable material container closure assembly having a port tube and a membrane tube. The port tube (I) has a first layer and a second layer, (A) the first layer is a polymer blend and (B) the second layer is disposed coaxially within the first layer; and the membrane tube (II) is disposed coaxially within the port tube, the membrane tube has an outer layer, a core layer and an inner layer.

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PCT Appl PCT/US 02/00299 Written Opinion mailed May 21, 2003.

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