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Class 222/389 - Fluid pressure actuated


Subclass of Class 222 - Dispensing
Definition: Dispensers in which the follower is operated by fluid under
No. of patents: 465
Last issue date: 02/14/2012


1                      
NumberTitleIssue Date
8113390Gas generation dispenser apparatus and method for on-demand fluid delivery
An on-demand fluid dispenser to dispense fluid in response to gas generation by a gas cell. The on-demand fluid dispenser includes an expandable gas chamber, a fluid chamber, and an on-demand gas cell. The expandable gas chamber includes a moveable plunger forming a...
02/14/2012
8042712System for dispensing fluid product
The subject invention is a system for dispensing a controlled amount of fluid product from a dispensing container which includes a pneumatically driven dispensing actuator. This actuator includes a dispensing cylinder and a movable dispensing piston. The dispensing ...
10/25/2011
8006873Pressure package system
A pressure package system for providing a working pressure on a fluid included in a pressure package, the system being provided with a pressure package in which a product chamber is included for holding the fluid and in which a working pressure chamber is included f...
08/30/2011
8006872Pressure package system
A pressure package system for providing a working pressure on a fluid included in a pressure package, the system being provided with a pressure package (2) in which a product chamber (4) is included for holding the fluid and in which a working pressure...
08/30/2011
7954678Pressure control device for a fluid dispensing container
A novel pressure control device is provided comprising a first cylinder (3) at a predetermined excess pressure, a piston (4) with a sealing ring (5) being movable within said first cylinder, and a second cylinder (7). The first cylinder (...
06/07/2011
7905375Dispensing device arranged to reduce the risk of strain and injury during use
A device for dispensing flowable materials to low locations without the user being required to bend over or kneel down during dispensing provides relief from back strain or other injuries. The device includes a cylinder having a piston mounted therein which reciproc...
03/15/2011
7878377Plunger for syringe of liquid dispenser
A plunger for a syringe of a liquid dispenser comprises a tapered front end section 12 having at its rear end 16 an outer diameter slightly smaller than the inner diameter of the syringe, a cylindrical drum section 14 continued to the rear end
02/01/2011
7748578Pressure control device for maintaining a constant predetermined pressure in a container
A pressure control device for maintaining a constant predetermined pressure in a container which is arranged for dispensing a fluid contained in the container from the container at said pressure, the pressure control device comprising a first chamber and a second ch...
07/06/2010
7708171Pressure control device
The invention is a pressurized gas providing and gas pressure regulating device. The invention is a container with an over pressurized second chamber of pressurized gas that can be released to the exterior of the container when a valve that is integrally connected t...
05/04/2010
7637398Pneumatic dispensing gun
A pneumatic dispensing gun includes a receptacle having a conduit for receiving a pressurized gas, a cartridge supported on the receptacle, an end cap attached to the cartridge and having a path communicating with the conduit of the receptacle, and a regulating devi...
12/29/2009
7621429Piston tank with compound piston for high loading and expulsion efficiency
A piston tank with elongated contact between the piston and the tank bore to prevent piston cocking and preserve alignment is equipped with a compound piston that includes a carriage (or glider) and a barrier that is movable relative to the carriage. The carriage is...
11/24/2009
7617953Pneumatic dispensing system with linear actuation and method
A pneumatic fluid dispenser has an electromechanical actuator that is supported by a dispenser body and operable to move a mechanical stop in the dispenser body. A drive piston also mounted in the dispenser body is powered by pressurized air and is movable into cont...
11/17/2009
7475797Liquid supply apparatus
A liquid supply apparatus is provided. The liquid supply apparatus has a cylinder, a piston and a gas supply apparatus. The cylinder is provided with a head portion with outlet. The cylinder has a rear end opened. The piston is inserted into the cylinder. The piston...
01/13/2009
7467733Pressure control device for maintaining a constant predetermined pressure in a container
A pressure control device for maintaining a constant predetermined pressure in a container which is arranged for dispensing a fluid contained in the container from the container at said pressure, the pressure control device comprising a first chamber and a second ch...
12/23/2008
7464838Viscous material application apparatus
A viscous material application apparatus includes a main body having a pressurized chamber which connects through to a discharge port and stores a viscous material, a viscous material supply device for transferring the viscous material to the pressurized chamber, an...
12/16/2008
7458487Plunger for syringe of liquid dispenser
A plunger for a syringe of a liquid dispenser comprises a tapered front end section 12 having at its rear end 16 an outer diameter slightly smaller than the inner diameter of the syringe, a cylindrical drum section 14 continued to the rear end
12/02/2008
7431033Gas dispensing and recovery apparatus
A container (1) having a first compartment (3) and a second compartment (5) separated by a movable gas impermeable partition (7) is used for storing and dispensing a gas for use in a process and receiving and storing a gas recovered from ...
10/07/2008
7387681Liquid dispensing method and apparatus
A method of dispensing a liquid, which handles a minimum amount of liquid without wasting it and to dispense and spray an exact amount of the liquid without precipitating solid particles. The method including the steps of regulating a flow rate of liquid in a flow p...
06/17/2008
7334709Pneumatic caulking gun
A pneumatic caulking gun includes a gun body, an air valve, a control unit, a trigger, a barrel, a push plate, a connecting base, a safety valve, and a push rod. Thus, the trigger is pressed to fill the pressurized air with the barrel successively to push the push p...
02/26/2008
7325702Orthopaedic paste delivering tool and method for continually delivering the paste
The present invention discloses a technique for continually delivering an orthopaedic paste into a bone, which will harden in the bone and act as a medical implant. The present invention uses a replacement mechanism in delivering the paste stored in a chamber throug...
02/05/2008
7323614Dressing and antiseptic agent containing silver
The invention relates to a dressing or bandage comprising a dispersion of at least one transition metal in an imogolite or allophane matrix. In particular, it is intended for the manufacture of transparent dressings. ...
01/29/2008
7308991Blown bottle with intrinsic liner
A container for holding and dispensing liquid having a container wall comprising a rigid portion that dimensionally defines the container, a liner portion disposed within the container adjacent to the rigid portion, and an adhesive layer disposed between the rigid p...
12/18/2007
7306442Pneumatic mud stamp
There is a pneumatic mud stamp including an applicator, a tube-like member, a stopper, a retraction mechanism, ad a pneumatic control. The applicator is configured to apply mud in a pattern and includes a boot and a faceplate with a slot. The tube-like member is cou...
12/11/2007
7296707Method and apparatus for dispensing a hot-melt adhesive
An apparatus and method for dispensing controlled precise amounts of a hot-melt adhesive. A positive displacement dispenser which is mounted on a programmable motion system is connected to a hot-melt cartridge feed assembly by an inlet block. The dispenser, feed ass...
11/20/2007
7296714Device for dispensing a heated liquid having a flexible hydraulic seal
A device for dispensing a heated liquid, such as a hot melt adhesive, which includes a heated dispenser body having a liquid passage in communication with a liquid inlet and a liquid outlet. The dispenser body further includes a valve element having a circumferentia...
11/20/2007
7278557Pressure container for viscous substances
A pressure container is used for receiving viscous substances and has an outlet valve (14) which can be displaced between a closed position and an open position. A movable valve element (18) can be moved in the direction toward the interior of the cont...
10/09/2007
7275663Dispensing device using multiple gas cartridges
A manifold includes a plurality of inlet passages provided in fluid communication between an inlet and an outlet passage. A housing retains a pressurized gas cartridge in sealed fluid communication with each of the inlet passages. A check valve is located in at leas...
10/02/2007
7261220Cordless DC caulk gun
A cordless device for dispensing a viscous material including housing components for a product cartridge, a DC motor, an air pump, and a rechargeable battery. The device has a pressure limiting switch that maintains a pre-determined pressure of compressed air in a g...
08/28/2007
7252111Transport of highly viscous fluids in closed pipeline systems
Apparatus far equilibrating differences between flow rates into and out of closed pipeline systems, which apparatus includes a tank having a supply line and a discharge unit, with a displaceable plate; the supply being fed to the tank through the displaceable plate,...
08/07/2007
7237694Food metering and dispensing device
A pump apparatus for an adjustable metering and dispensing pump apparatus for food products including a product piston moving in a product cylinder, the product cylinder being connected to a food hopper and a dispensing nozzle. The pump apparatus also includes a cyl...
07/03/2007
7222646Piston for dispensing device, dispensing device, product containing dispensing device, method of filling, and method of dispensing
A piston for a pressurized container (i.e., “aerosol can”), the piston including a body having circumferential fins, with the fins being of uniform thickness, decreasing thickness radially away from the body, or varying thickness circumferentially. Further discl...
05/29/2007
7216782Dispenser for discharging liquid material
A dispenser has a syringe having a nozzle at one end thereof and a plunger fitted in the syringe from the other end of the syringe. One end of a pipe is connected to a portion of the syringe between the one end and the other end of the syringe. A liquid material tan...
05/15/2007
7198179System for storing and dispensing a gas-solubilized product
A packaged gas-solubilized product is described. The gas-solubilized product contains a first gas with a first pressure. The product is placed into a flexible inner container made of a gas-impermeable material. The inner container is hermetically disposed inside an ...
04/03/2007
7188753Pressure release connection and pneumatic dispensing device
An inlet is adapted to receive pressurized gas from a CO2 gas cartridge. A variable compression member has a normal height, under normal operating temperature conditions, adapted to provide a normal compressive force between the gas cartridge and the inle...
03/13/2007
7185792Dispensing device with rack and pinion drive for nozzle valve
A pressurized gas cartridge drives a dispensing device for viscous product cartridges. The dispensing device and the viscous product cartridge form a gas enclosure separated from a product enclosure by a movable wall. A valve is driven by a rack and pinion valve dri...
03/06/2007
7185786Gas storage and delivery system for pressurized containers
A gas adsorption material containing a desired quantity of gas is placed in a pressurized container along with a product to be dispensed, and as pressure in the container is depleted during use, stored gas is released into the container to maintain pressure in the c...
03/06/2007
7182229Device for dispensing liquid having an improved seal assembly
A device for dispensing a liquid includes a dispenser body having a liquid passage and an air passage. A valve stem is mounted in the dispenser body and reciprocates between an open position allowing liquid flow and a closed position preventing liquid flow. A pre-as...
02/27/2007
7182227Aerosol delivery system
An aerosol delivery system comprises a container defining a chamber for a product to be delivered, an outlet from the chamber through which product may in operation be delivered, a valve for controlling passage of product through the outlet and a pump for pressurisi...
02/27/2007
7163130Portable gas powered fluid dispenser
A caulking gun has a tubular chamber to surround sleeve-like rigid tubes and compressible sausage type containers containing viscous materials including sealants, adhesives, caulking, mastics and the like. When rigid tubes are loaded into the chamber, compressed gas...
01/16/2007
7157076Aerosol device comprising a hair treatment composition, and hair treatment process
The present invention relates to a two-compartment aerosol device containing a hair treatment composition in a first compartment and a compressed gas chosen from air, nitrogen and carbon dioxide, and mixtures thereof, in a second compartment, where the hair treatmen...
01/02/2007
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