Abstract: A multidose liquid dispenser for maintaining the sterility of solutions without a preservative has been developed. The dispenser includes a filter assembly having a hydrophobic filter and a hydrophilic filter in tandem with the hydrophobic filter located near the dispensing tip. The use of the hydrophobic exterior filter and the hydrophilic interior filter permits excellent liquid flow while precluding the growth of bacteria on the filter. The inability of the bacteria to attach to the exterior hydrophobic filter prevents clogging of the pores.

Abstract: There is disclosed a sheet stacker, for use in combination with a copying machine, a printer or the like, capable of ensuring satisfactory sheet stacking regardless whether the sheet is folded or not. The apparatus controls the stacking operation in different modes in accordance with whether the sheets to be stacked are folded or not.

Abstract: An apparatus for feeding sheets has a surface over which a sheet may be fed, a sheet feeder for feeding sheets over the surface which has at least one feed roll rotatably driven in the feeding direction at least one nudger roll upstream of the feed roll for urging a sheet to be fed toward the feed roll, the at least one nudger roll being pivotally supported about the at least one feed roll, a drive to rotate the feed roll in the feeding direction, an endless belt drive means to couple the rotational movement of the feed roll to the nudger roll, means responsive to identified feeding conditions to stop the drive and terminate the rotation of the feed roll in the feeding direction and reverse the direction of rotation of the feed roll whereby the endless belt drive coupling reverses the direction of rotation of the nudger roll and creates a drive torque on the nudger roll which urges it upwardly away from the feed surface.

Abstract: Dispensing apparatus (10) for use in a pressurized dispensing container (12) comprises a valve (18) mounted in a cup member (11) and an elastomeric vessel (13) forming a collapsible chamber (23). The vessel (13) is attached to the mounting and depends from the cup cylindrically surrounding the valve body (18). The vessel is attached to the cup member by having a flange (14) which is thermally bonded to the thermoplastic layer (5) covering the internal surface of the cup member. The flange (14) includes grooves (9) which prevent contamination from sputtering during thermal bonding. The apparatus has application for medical products including edible foam dispensed from containers having an internal fill pressure.

Abstract: A device for the removal of objects from blister packs, such device having a track member with a plurality of channels defined therein aligned with the columns of blisters of the blister pack to receive such blisters therein and a blade member disposed in a plane parallel to the surface of the track member and perpendicular to the plane along the length of the channels with a serrated roller to drive the blister pack against the blade member to slice off the blisters above the objects but below the planar back member of the blister pack.