Patent ID: 8557200
Filing Date: 2013-10-15
Classification: B01L

Abstract:
1. A pipette tip comprising: an elongated tubular receptacle; and a sealing member, wherein the elongated tubular receptacle is made from a first material and includes a upper portion with a receiving surface facing a central axis of the elongated tubular receptacle and defining a central receiving cavity, wherein the receiving surface is configured to receive the sealing member, said upper portion includes at least one axial spaced wall section having axial ends in a circumferential direction of said upper portion; said sealing member made from a second material includes at least one sealing surface configured to provide a sealing surface for sealing engagement with a pipetter barrel inserted into said central receiving cavity, wherein said sealing member includes at least one rib coupled to said axial ends of said at least one axial spaced wall section of said upper portion, wherein said at least one axial spaced wall section and said at least one rib are engaged along the circumferential direction of said upper portion to define a circumference of said upper portion.