Liquid collection tube

Claim 1

A liquid collecting tube comprising: a tubular member having an open end and a closed bottom for receiving a liquid therein; and closure means for closing said open end of said tubular member without using a separate cap member, said closure means being made of a material capable of being pierced by a piercing needle; said closure means including: a film sealing member for maintaining said open end of said tubular member sealed when taking out the liquid from said tubular member with a take-out tool which is insertable through said film sealing member, said film sealing member being bonded to and sealing said open end of said tubular member with a first adhesive strength; and a separable member separably laminated on said film sealing member on the side thereof opposite said open end of said tubular member, said separable member being bonded to said film sealing member and being separable from said film sealing member prior to insertion of said take-out took into said tubular member through said film sealing member; said separable member comprising a gas barrier layer provided on the side of said separable member which is laminated on said film sealing member, and a re-sealing member provided on the side of said separable member opposite to the side thereof which is laminated on said film sealing member, said re-sealing member re-sealing the closure means which is pierced by the piercing needle after removal of the piercing needle from said closure means; and said separable member being bonded to said film sealing member with a second adhesive strength which is lower than said first adhesive strength.