Patent ID: 6164449
Filing Date: 2000-12-26
Classification: B01L

Abstract:
A pipette tip refill pack comprising:a plurality of pipette tips contained within a volume, each pipette tip having an elongate tapering shape, from an open proximal base end to a relatively more narrow open distal tip end, said plurality of pipette tips arranged in stacks of several layers of arrays of pipette tips, pipette tips in each stack being stacked in telescopic fashion, with proximal base ends engaged over distal tips ends of a next lower layer, base ends of pipette tips in a lowermost layer resting upon a bottom support surface, anda push plate defining an array of holes corresponding to the array of pipette tips, with distal tip ends of pipette tips of an uppermost layer of pipette tips initially received through the array of holes in said push plate and held in horizontally-supporting engagement by said push plate, said push plate being adapted for downward step-wise advancement, toward the bottom support surface, over base ends of successive layers of pipette tips held in horizontally-supporting engagement, releasing the array of pipette tips of each successive layer from horizontally-supporting engagement, for removal of a released layer of an array of pipette tips with a pipette rack, to engage over an array of pipette tips of a successively next-lower layer of pipette tips in horizontally-supporting engagement.