Class 141/116 - By means reversing direction of flow

Subclass of Class 141 - Fluent material handling, with receiver or receiver coacting means
Definition: Apparatus in which the contents material beyond the last
No. of patents: 36
Last issue date: 06/17/2008

Number	Title	Issue Date
7387221	Fluid discharge pumping apparatus A fluid discharge pumping apparatus includes: a drive mechanism; a cylinder; an outflow valve mechanism and an inflow valve mechanism coupled to the cylinder; a piston member inside the cylinder; and a piston-supporting member attached to the piston member driven by...	06/17/2008
7246726	Liquid material delivering method and device therefor A method and a device for accurate delivery, dripping and ejection in the form of flying droplets are provided. A liquid material is pressurized by a plunger sliding in a liquid feed passageway. A sliding surface of the plunger section sliding while closely contacti...	07/24/2007
7198073	Methodology and apparatus for storing and dispensing liquid components to create custom formulations A methodology and apparatus comprises integral material reservoir cylinders which contain separate material bags in which reside a component required for a formulation, or alternate material reservoir containers, typically drums, with a component required for a form...	04/03/2007
6941985	Drive device for packaging machine A drive device comprises an air cylinder 123 for causing an operating member for a packaging operation to perform a reciprocating motion, a sensor 132 for detecting the cycle velocity or time of the air cylinder 123, a control valve 222 f...	09/13/2005
6692175	Inserting page device A thin, flat device (10) for inserting scrapbook page device (22) for quick application of article protectors (20). The device is made of a flexible material, with a spine (12) so it can be repeatedly folded, without fracturing, tearing or cracking. In ad...	02/17/2004
6640843	Ink refilling apparatus and method for cartridge of ink jet printer An ink refilling apparatus for a cartridge of an ink jet printer comprises an injector and a refill holder. The injector includes a cylinder containing ink and a piston inserted into the cylinder. An ejecting protrusion having an ejection hole is formed a...	11/04/2003
6405897	Hand-operated syringe pumping system A dispensing apparatus includes a chamber cavity having an inlet with an inlet check valve and an outlet with an outlet check valve. The outlet check valve is openable to permit flow substantially only in a direction from the chamber cavity out through th...	06/18/2002
6070622	High speed aseptic filling machine A filling head apparatus for filling a container in sterile conditions. The filling head comprises a regulating valve displaceable in three positions: open position, closed position, and displacement position. The inner wall of the spout of the container ...	06/06/2000
5865221	Valve for filling liquids into packages A valve for filling liquids into packages has a housing (1) with a supply connection piece (24), a forward mouth piece and an outlet device (16) in which a large number of outlet holes (4) is arranged. A closing member (3) is movably arranged in the housi...	02/02/1999
5704403	Device for refilling a printer cartridge of an ink jet printer Device for the refilling of a print head of an ink jet printer outside of the ink jet printer, with a holder, into which the print head can be inserted, wherein the print head includes an ink supply chamber, which is in fluid communication with the emissi...	01/06/1998
5609191	Liquid transfer apparatus Apparatus for transferring liquid from a first tank to a second tank having supply line coupled to the first tank, a fill line connected to the second tank, a return line leading to the first tank or a sump, a pump for causing liquid to flow from the supp...	03/11/1997
5549143	Apparatus with vacuum recovery for adding flavor materials to beverages A method of adding flavor essences, aromas, and concentrates to beverages. These essences aromas, and concentrates, or any other flavors or flavor mixtures are added to the beverage after it has been filled to volume in a container and just prior to the f...	08/27/1996
5474113	Can filling machine having a mechanism to prevent overfill A can filling machine having an improved mechanism to prevent overfill of the can. The machine includes a group of filling heads mounted on a rotatable turntable, and each head includes an outer tubular housing having an open upper end that communicates w...	12/12/1995
5094278	Filling nozzle A filling nozzle comprising a vertical tubular nozzle body, and at least one perforated plate disposed at a lower-end opening of the nozzle body for preventing a liquid from flowing down under gravity by the surface tension of the liquid. The perforated p...	03/10/1992
5067531	Bench top container filler A bench top volumetric container filler is provided and consists of a mechanism to pump a predetermined amount of fluid from a reservoir into a container by using a volumetric piston pump operated by a vertical pump driving cylinder....	11/26/1991
5044889	Phase adjustable metering pump, and method of adjusting the flow rate thereof A valveless, positive displacement metering pump is provided by the invention. Such a pump includes a housing, a working chamber within the housing, a piston within the working chamber, the piston including a duct defined by a portion of its outer surface...	09/03/1991
5035270	Automatic conveyorized container filler An automatic conveyorized volumetric container filler is provided and consists of a mechanism to pump a predetermined amount of fluid from a reservoir into containers by using volumetric piston pumps operated by a pump drive cylinder. The containers are a...	07/30/1991
5029621	Push back procedure for preventing drop-former droplet formation in a vacuum assisted solution transfer system with upstream occulusion A device for vacuum-assisted transfer of fluid from one container to another via a conduit and having an occluder positioned between the containers includes apparatus and method for clearing fluid from the conduit downstream of the occluder by forcing the...	07/09/1991
5016687	Device for preventing liquid from dripping from filling nozzle of liquid filling machine In a liquid filling machine wherein a liquid is fed in a specified quantity at a time from a metering cylinder to a filling nozzle by the operation of a piston housed in the cylinder, a device for preventing the liquid from dripping from the filling nozzl...	05/21/1991
4995431	Apparatus for filling specified amount of liquid An apparatus for filling a specified amount of liquid comprises a vertical tubular filling nozzle, a damper attached to the lower end of the filling nozzle and pivotally movable upward and downward, a vertical rod supported upwardly and downwardly movably...	02/26/1991
4958669	Device for filling specified amount of liquid A device for filling a specified amount of liquid comprising a vertical tubular filling cylinder, and at least one perforated plate attached to the lower end of the nozzle for preventing the liquid from flowing out of the nozzle by the surface tension of ...	09/25/1990
4938271	Dosing apparatus A dosing apparatus for packaging containers comprises a dosing device including a housing, a wall within the housing and reciprocable to draw in and expel a substance through an inlet and an outlet, respectively, of the housing, a rotary stepping motor wh...	07/03/1990
4854354	Dosing arrangement including a return sucking device The invention relates to a dosing arrangement for filling of liquid nutrient materials, in particular salad-like products having solid, respectively chunky constituents, whereby a cylinder-piston-unit is mounted for a return sucking operation substantiall...	08/08/1989
4808078	Pump control system for instantly reversing the drive motor A liquid flow system comprising a bidirectional liquid pump, a bidirectional electric motor coupled to drive the pump, and a liquid flow line having the pump connected therein. The system further comprises a motor control circuit connected to power the mo...	02/28/1989
4797098	Apparatus for dental treatment provided with check valve in fluid passage A dental treatment apparatus includes a pressurized fluid source for pressurizing and supplying a fluid necessary for performing dental treatment operation and fluid conduits for conveying the pressurized fluid. The pressurized fluid source and a handpiec...	01/10/1989
4648421	Valve device for controlling liquid flow A valve device for use in filling cartons includes a tubular housing containing a valve member comprising a closure part co-operating with a valve seat at the lower extremity of the housing, and a driving part movably received with clearance in the housin...	03/10/1987
4633923	Apparatus for filling ink cartridges Apparatus for filling ink cartridges which are used in printer units of cigarette making machines has a frame which can removably support an empty cartridge in register with a stationary housing having a reciprocable plunger with axial and radial bores fo...	01/06/1987
4634347	Arrangement in plant equipment for supplying a binding agent directly to a building element The invention relates to an arrangement in plant equipment for directly supplying to a building element a binder comprising, for example, mortar of pumpable consistency and containing water. The plant equipment includes a vessel for ready-mixed binder, a ...	01/06/1987
4621665	Method of and apparatus for simultaneously filling the cup-shaped cavities of a microbeaker plate An apparatus for simultaneously filling a set of microcups includes a corresponding number of storage vessels having capillary outlets projecting into the microcups. The distance between the outlets and the bottom of the microcups is adjustable so that th...	11/11/1986
4588109	Adhesive supplying system In a thermo-cementing and folding machine which has a suck-back facility, by which at the end of an adhesive-applying operation adhesive supplied through the nozzle (22) is sucked back into the nozzle so as to prevent `drooling`, auxiliary suck-back steps...	05/13/1986
4516702	Dripless valve A valve for applying a flowable material in which it is desired to provide a sharp cutoff in application of the material includes a valve body with a chamber therein in communication with a source of the material to be applied. A movable piston is positio...	05/14/1985
4467843	Method of operating a metering apparatus for liquid A metering apparatus including a metering pump having a vertical, elongate pump cylinder tapered at one end to a point, and a piston arranged for axial movement in said cylinder, facilitates transfer of an accurately determined volume of liquid from a fir...	08/28/1984
4449650	Metering pump especially for volatile materials A dosing pump for metering a predetermined quantity of a displaceable material, usually a solvent-containing fluid substance, per stroke of the pump, comprises a chamber connected by an intake valve with a source of the material and with a discharge valve...	05/22/1984
4254806	Apparatus for filling caulking tubes in a clean manner An apparatus for filling caulking tubes in a clean manner with a liquid viscous composition wherein in the passage tube from which the viscous composition passes into the caulking tube there is attached a suck-back means comprising an air activated piston...	03/10/1981
4230160	Adjustable suck-back device for sanitary pumps A suck-back arrangement for a sanitary filling unit in which a threaded adjusting member adapted to be selectively moved into and out of the path of the valve member of the outlet valve assembly is in threaded engagement only with a support member dispose...	10/28/1980
4205534	Continuously refrigerated, automatically ejected block ice machine A continuously refrigerated, automatically ejected block ice machine having means to measure and supply a specified amount of water to a water distributor which appropriately directs each measured amount of water to each of a plurality of product cells in...	06/03/1980

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Class 141/116 - By means reversing direction of flow