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Class 222/259 - Follower and impeller coaxial or parallel and interconnected


Subclass of Class 222 - Dispensing
Definition: Dispensers in which the follower and the casing enclosed
No. of patents: 24
Last issue date: 02/02/2010


NumberTitleIssue Date
7654418Airless dispensing pump
An airless dispenser pump assembly includes a pump mechanism with an inlet valve that is configured to efficiently pump viscous fluids and that is able to be pre-primed when the pump mechanism is attached to a container. In one form, the inlet valve includes a seal ...
02/02/2010
7600658Viscous material feed system with platen and method
A viscous material feed system, comprises a feed tube that receives material expressed from a container; and a container evacuator comprising a chamber to hold a container to express material from the container to the feed tube and a plunger comprising a platen axia...
10/13/2009
7152766Metal re-sealable beverage container with pour spout
An all-metal beverage can with a pour spout is disclosed. The can includes a can body for containing a beverage and a closure member. The closure contains a metal pour spout and a cap covering the pour spout. The pour spout and cap are in a recessed condition within...
12/26/2006
5918771Aerosol intended for dispensing a multi-component material
Aerosol intended for dispensing several components for the production of a multi-component material comprising a dispensing assembly, a main container and one or more separate auxiliary containers for components to be dispensed, piston pumps, control part...
07/06/1999
5913455Apparatus for rapid dispensing of minute quantities of viscous material
A chamber that communicates with a viscous material reservoir has a flexible resilient diaphragm which forms an exterior wall thereof. An impact mechanism, which may comprise a solenoid actuated hammer, applies a predetermined momentum to the diaphragm fo...
06/22/1999
5829652Body-conformable apparatus
A body-conformable apparatus that includes a platform that is configured to removably and adjustably receive a photography device and maintain the device in an operative position for use by a user. The platform is removably and adjustably mounted on a fle...
11/03/1998
5730250Gear type grease pump
A gear type grease pump includes a motor fixed on the top surface of a base plate, a gear type pump fixed on the bottom surface of the base plate, the pump having a pair of gears engaged with each other and rotationally driven by the motor for rotating, a...
03/24/1998
5435461Cartridge for dispensing toner concentrate
A cartridge for dispensing metered amounts of liquid electrophotography toner concentrate. The cartridge comprises first and second endcaps within a hollow of the cartridge for confining the concentrate; a tube rigidly attached to the first endcap having ...
07/25/1995
5042695Dispenser of paste products having a venting piston
A dispenser of paste products, in particular toothpaste, is composed of a cylindrical container provided with a headpiece carrying a paste product output and with a bottom wall fitting in an airtight manner therein for sliding movement one way toward the ...
08/27/1991
4944430Fluid dispenser
A vacuum-tight and pressure-tight closed storage space in a container is constructionally combined with a thrust piston pump projecting thereinto and a drag piston slidably guided therein and in the initial position of the thrust piston pump is hermetical...
07/31/1990
4903868Viscous fluid dispenser
A viscous fluid dispenser having a significant decrease in the number of parts constituting the dispenser and thus having a simplified structure which can be easily assembled and which can function satisfactorily is provided. A first embodiment of the dis...
02/27/1990
4838461Dispensing package for a viscous product
A package for containing and dispensing a viscous product such as toothpaste. The package includes a cylindrical container with a perforate spider member across an end of the container, such end serving as a dispensing end. A generally rigid, hemispherica...
06/13/1989
4817829Dispenser for flowable media
A dispenser for flowable media, particularly pasty pharmaceutical or cosmetic products, has a drag piston guided in a reservoir and is filled through a connecting piece through the drag piston. A riser is connected to a discharge pump and a reservoir clos...
04/04/1989
4790456Material supply equipment for viscous fluid pressure feed system
Material Supply Equipment in which a cylindrical container constructed with a substantially straight side all the way to the bottom receives a plastic bag filled with a high viscosity fluid to be pumped. A planar cover plate for the container has an outer...
12/13/1988
4694977Fluid dispenser
A vacuum-tight and pressure-tight closed storage space in a container is constructionally combined with a thrust piston pump projecting thereinto and a drag piston slidably guided therein and in the initial position of the thrust piston pump is hermetical...
09/22/1987
4691847Pasty product dispenser having combination actuator and outlet valve
The actuating lever of the dispenser has a rigid valve flap integral therewith which covers the spout outlet to close the same when the actuating lever is in its normal, undepressed position but which then lifts off the outlet to open the same when the le...
09/08/1987
4661688Bulk melter platen assembly
Apparatus for melting and pumping molten liquid material from a drum of material which is solid at room temperature and which includes a platen assembly having a top platen and a lower heating platen suspended from the top platen but movable vertically re...
04/28/1987
4635820Bulk unloader of solidified thermoplastic material from pails and drums
An apparatus for unloading heat meltable material from a container including a vertically moveable platen assembly having a platen supported by a platen carriage. The weight of the platen assembly is trapped between a balance spring which urges the platen...
01/13/1987
4555047Automatic toolchanger tapping lubricant dispenser
A tapping lubricant dispenser apparatus is provided for use in numerically controlled automatic toolchanger machining systems to dispense tapping lubricant into a previously drilled hole before tapping. The tapping lubricant is usually a viscous tapping c...
11/26/1985
4534493Apparatus for dispensing high viscosity thermoplastic materials
Apparatus for dispensing high viscosity thermoplastic materials such as resins, sealants and hot melt adhesives from drums. The apparatus comprises a functional hollow cylinder vertically disposed with a screw extending through its length. The cylinder is...
08/13/1985
4533069Pump-type dispenser
A pump-type dispenser for a fluid product is described which incorporates a single outlet check valve and a follower piston slidably mounted therewithin. The dispenser includes an axially extending bore of a tubular container body for housing a product to...
08/06/1985
4413759Dispenser for pasty compositions
The present invention relates to a dispenser for pasty compositions having a bellows on the top, a piston which travels in the direction towards the nozzle, and a rod which connects the bellows to the piston in such a manner that there is an idle stroke b...
11/08/1983
4079865Non-pulsating, non-throttling, vented pumping system for continuously dispensing product
A non-pulsating, non-throttling, vented pumping system is disclosed for continuously dispensing product from a container in a relatively non-pulsating stream or spray. The pumping system includes a pump for withdrawing product from a container and for pre...
03/21/1978
4059201Container closure with foil seal
The dispensing opening of a container closure is originally sealed with foil which may be torn out of the opening by a hinged door located removably in the opening....
11/22/1977
 
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