Patent ID: 8863967
Filing Date: 2014-10-21
Classification: A61J,B29C,B32B

Abstract:
1. An outlet port for a fluid container, said outlet port being capable of accommodating a rubber plug, through which a syringe needle can be inserted, such that the rubber plug is buried in an end of the outlet port, wherein the outlet port comprises: a port portion and a plug portion, wherein the port portion and the plug portion are ultrasonically welded together at their respective resin layers composed of the cyclic polyolefin resins as the principal components, suppressing the occurrence of crazes, fine particles, or dusting, and at least the resin that forms the plug portion includes a rubber component in a range of from 0.05 wt % to 30 wt %, or includes the cyclic polyolefin resin including in a backbone thereof molecular structures represented by the following formula (1) and includes a polyethylene-based resin in a range of from 1 wt % to 30 wt % and/or an antioxidant in a range of from 0.1 wt % to 1.0 wt %: wherein C represents a carbon atom, H represents a hydrogen atom, R represents a hydrogen atom or an organic group having from 1 to 20 carbon atoms, and n stands for an integer of 2 or greater.