A multi-cavity dispensing container is provided for the co-extrusion of at least two flowable materials. The container includes a refill cartridge and a reusable base. The cartridge contains a pair of separate parallel cylinders within which are carried the flowable materials. At a lower end of each cylinder is a piston head. The lower surface of the piston head is configured as a hollow recess. The reusable base is formed with a pair of separate parallel piston support posts. These posts are characterized by a central hub surrounded with at least two outwardly projecting arms. Tops of the posts can readily engage within the recesses of the piston heads. Consequently the refill cartridge and reusable base can be readily engaged and disengaged from one another.
A multi-chamber dispenser for flowable materials includes a cartridge having a plurality of chambers disposed in side by side relationship. A pump has a plurality of longitudinal passageways corresponding to the number of chambers with each passageway being insertable into a chamber. The pump and cartridge are provided with guide structure to assure the proper positioning of the components and to permit the pump and cartridge to be readily mounted together and to be disassembled so that the pump may be used with a different cartridge after the contents have been dispensed.
The positive displacement pump delivers the products uniformly and with a low force to actuate the pump. The uniform delivery results from a close slideable fitting of the upper part into the lower part. A low force to actuate is accomplished in part by reduced surface area contact of the upper portion and lower portion during slideably interfitting operation. This is accomplished preferably by having transverse ribs on the exterior surface of the upper part and longitudinal ribs on the interior surface of the lower part. As a result the contact of the upper part and lower part during use is a transverse rib/longitudinal rib contact. The longitudinal ribs preferably are parallel to the vertical axis of the base with no draft angle. Further, there is a locking mechanism between the an upper part shroud and rams located in the lower part. The locking mechanism controls the movement of the reusable shroud. The locking mechanism is comprised of at least one arm on a lower part of the upper shroud, this at least one arm contacting the upper region of at least one of the rams of the lower part. Additionally there are reinforcing ledges on the lower region of the upper shroud and on the upper region of the lower shroud. The reinforcing ledge on the upper shroud can extend to comprise a floor on the upper shroud. Yet further the spout of the dispenser has a structure where the region of narrowest cross-section is intermediate the ends of the spout. This structure decreases the drag on the material flowing through the spout and thus further decreases the force to actuate the pump.
A two-compartment package is provided which includes a unitarily formed hollow sleeve with first and second openings on opposite ends. First and second compartments are formed from the sleeve through a crimp between the first and second ends, the crimp preventing fluid communication between the compartments and allowing sufficient hinged flexibility for the compartments to align parallel to one another. The cap with projections coupling together the first and second compartments maintains those compartments in parallel alignment. A variety of consumer products may be filled into the package, most particularly it is suitable for a toothpaste with mutually incompatible ingredients being separated into respective compartments, such as a peroxide and baking soda.
A dental floss dispenser is disclosed, which is adapted for mounting onto a pump toothpaste dispenser. The dental floss dispenser has a one-piece housing of integrally molded plastic construction which has a peripheral contour to match the predetermined bottom configuration of the toothpaste dispenser. The housing has a base with a peripheral wall having a recessed ledge and slot in the peripheral wall to dispense the floss. The dental floss spool is rotatably mounted on one of two bosses in the housing. The housing also has a hinged door which matches the predetermined bottom configuration of the toothpaste dispenser which is capable of movement away and against the peripheral base wall to expose the slot through which the floss is dispensed. A cutter is mounted on the hinged door allowing the severing of a desired length of floss pulled from the spool through the slot. The hinged door may be kept in a closed position when not in use to prevent external contamination between use of the dental floss or cutter.
A discharge unit (1) contains two separate delivery units (15) to be actuated in common through which the medium flows along a module (35) separate from two base bodies (4,5) to two atomizer nozzles (48) so that due to their spray cones overlapping each other the two separately emerging media are intermingled in utmost fine dispersion and, e.g. with the formation of a gelling blended medium, react with each other. As a result of this two media reacting with each other chemically or physically can be intermingled not before being outside of the discharge nozzles (48) and thereby simultaneously applied to the region of application, e.g. a mucuous membrane.
