Patent ID: 7449331
Filing Date: 2008-11-11
Classification: C12M

Abstract:
1. A container for cell growth culturing comprising: an elongate cylindrical wall having a closed bottom end and a liquid opening at an opposing top end, said elongate cylindrical wall including (i) a plurality of longitudinally axial extending pleats that at least partially extend from said closed end to said top end, each said pleat including a first side wall extending between a first end point and a first apex; and a second side wall extending between a second end point and said first apex, said first apex being located radially further from a longitudinal center of said container than said first and second end points; (ii) at least one circumferential rib integrally formed with said cylindrical wall for reinforcing said cylindrical wall, wherein said rib includes an outer wall extending radially outwardly from, and continuously between, said side walls of each of said pleats, said rib being superimposed across said pleats, said rib outer wall being flush with outermost portions of said first apices of said pleats such that said rib outer wall does not protrude radially outwardly from said first apices; and (iii) at least one unpleated longitudinal section defining a drain panel, said rib not being superimposed across said drain panel and said rib outer wall being flush with the outermost portions of said drain panel such that said rib outer wall does not protrude radially outwardly from said drain panel.