Drop Formers Patents (Class 222/420)
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Patent number: 6464110Abstract: An implement enabling a user to positively split-inject various kinds of perfumes by a simple attaching/detaching operation is provided. The implement includes a multi-stage engaging unit 21 to be fitted to the outlet of a container 8 for storing therein perfume, a push-operation head 2 provided with an outlet hole opened at the center of the engaging unit 21, and a dispensing pipe 1 connected to the outlet hole, whereby it is possible to split-inject small amounts of perfumes for transfer into separate containers and carry a plurality of kinds of perfume.Type: GrantFiled: October 31, 2000Date of Patent: October 15, 2002Assignee: Yamada Atomizer Company LimitedInventor: Hiromichi Yamada
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Patent number: 6450994Abstract: Apparatus for multi-dose delivery of preservative-free pharmaceuticals includes a film laminate flexible container for holding and maintaining a sterile drug formulation. A nozzle disposed within the container and in fluid communication therewith provides for dropwise dispensing of the formulation from the flexible container. The nozzle includes an interface established by inner and outer portions of the nozzle which is normally sealed. The nozzle out of portion is sufficiently flexible to enable expansion thereof and passage of the dry formulation therethrough by a piston which withdraws selected volumes of the formulation from the container.Type: GrantFiled: March 15, 2000Date of Patent: September 17, 2002Assignee: Allergan, Inc.Inventors: James V. C. Boyles, John S. Kent
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Patent number: 6446878Abstract: An apparatus and method for the production of small, uniform sized droplets. The apparatus is a droplet generator including a housing defining a chamber for holding a material to be ejected therefrom, an inlet and a droplet outlet communicating with the chamber. The housing is coupled to a pressurizing system connected to the inlet for applying pressure pulses to the chamber. The housing includes a vent in communication with the chamber for relieving pressure in the chamber. The vent has an effective size so that during application of the pressure pulse the chamber is pressurized to a pressure effective to eject a droplet of the material therefrom and thereafter the chamber is vented through the vent at a rate sufficient to prevent further discharge of droplets. The droplet generator produces molten metal or alloy droplets and is particularly suitable for generating single droplets on demand in manufacturing techniques using droplet deposition.Type: GrantFiled: March 1, 2000Date of Patent: September 10, 2002Inventors: Sanjeev Chandra, Rahim Jivraj
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Publication number: 20020121529Abstract: This invention aims at allowing a consistent increase in the output of selective dispensing of micro-droplets, at making a spatial, targeted selectivity by distributing a predetermined reagent on the predetermined site, and at creating a multifunctional system, easy to adjust.Type: ApplicationFiled: June 15, 2001Publication date: September 5, 2002Inventor: Moussa Hoummady
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Publication number: 20020100770Abstract: A dispensing apparatus, which is capable of delivering precise quantities of a liquid product less than one mm3 in size, includes a drive mechanism, a housing made up of at least two input channels coupled to a chamber made up of a first portion and a second portion. First and second component liquids are delivered via the first and second input channels respectively to the chamber and the first and second input channels are disposed so that interaction is hindered between the first component liquid and the second component liquid in either input channel. At least one feed screw with a helical thread is disposed in the chamber such that when the at least one feed screw is rotated by the drive mechanism the first and second component liquids are mixed to form a liquid product and the feed screw rotation also discharges the liquid product from the chamber.Type: ApplicationFiled: January 28, 2002Publication date: August 1, 2002Inventor: Timothy D. Strecker
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Patent number: 6422431Abstract: In one embodiment, a microvolume liquid handling system includes a microdispenser employing a piezoelectric transducer attached to a glass capillary, a positive displacement pump for priming and aspiring transfer liquid into the microdispenser, controlling the pressure of the liquid system and washing the microdispenser between liquid transfers, and a pressure sensor to measure the liquid system pressure and produce a corresponding electrical signal. The pressure signal is used to verify and quantify the microvolume of transfer liquid dispensed and is used to perform automated calibration and diagnostics on the microdispenser. In another embodiment of the microvolume liquid handling system, a system reservoir is connected with tubing to a pressure control system for controlling the liquid system pressure in the system reservoir. The system reservoir is coupled to one or more microdispenser through a distribution tube having a branched section for each microdispenser.Type: GrantFiled: February 1, 2001Date of Patent: July 23, 2002Assignee: Packard Instrument Company, Inc.Inventors: Richard E. Pelc, Nicholas S. Chibucos, Roeland F. Papen, Wilhelm Meyer
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Publication number: 20020092366Abstract: A method and system to deposit rapidly, accurately and efficiently liquid droplets onto a sample plate. A liquid from which the droplet is formed contains sample molecules, matrix molecules or a mixture of both sample and matrix molecules. A sample plate is positioned with respect to a position below a portion of the liquid, such as a droplet. A power supply forms an electric field between the sample plate and the liquid, which pulls the droplet to a target location on the sample plate. A plurality of capillary columns is provided for simultaneous or successive multiple depositions via application of one or more high voltage pulses between the liquid sample array and a sample plate.Type: ApplicationFiled: January 17, 2001Publication date: July 18, 2002Inventors: Ansgar Brock, Christopher M. Shaw, Robert C. Downs
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Publication number: 20020084290Abstract: A wetting-resistant nozzle for accurately and precisely dispensing small volumes of liquids. The nozzle comprises an internal flowpath, and an external surface that recedes from the discharge point at an angle greater than 90 degrees, and an exceptionally low surface energy for the external surface. The low surface energy material may exist as a coating on top of a shaped substrate. A flat land region may be included and may have sharp edges, one of which may define the boundary of the low surface energy region. Another embodiment includes the low surface energy material as a bulk material through which a hole is drilled. The internal flowpath inside the nozzle may be smoothly tapered. Liquid being dispensed tends not to advance past the edge of the low surface energy region, which may coincide with a geometrically sharp edge. Such nozzles provide improved dispensing of liquids that have both low surface tension and low viscosity, such as organic solvents.Type: ApplicationFiled: November 13, 2001Publication date: July 4, 2002Applicant: Therics, Inc.Inventor: Peter A. Materna
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Publication number: 20020070230Abstract: A liquid dispenser comprises a container for supporting liquid, and has a dispensing end with an opening. A reservoir is located in the container and is connected to the opening, and means are provided for channeling liquid into the reservoir. Liquid is propelled from the dispenser by squeezing resiliently depressable portions of the dispenser. The reservoir may take the form of a bowl-like structure or may retain liquid by cohesive and adhesive forces. The dispenser may also include a nozzle and a rest for resting the dispenser against a suitable surface when squeezing the dispenser.Type: ApplicationFiled: January 28, 2002Publication date: June 13, 2002Inventors: Klaus Michael Andrean Vollrath, Jurgen Klaus Vollrath
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Patent number: 6386394Abstract: A liquid dispenser comprises a container for supporting liquid, and has a dispensing end with an opening. A reservoir is located in the container and is connected to the opening, and a structure is provided for channeling liquid into the reservoir. Liquid is propelled from the dispenser by squeezing resiliently depressable portions of the dispenser. The reservoir may take the form of a bowl-like structure or may retain liquid by cohesive and adhesive forces. The dispenser may also include a nozzle and a rest for resting the dispenser against a suitable surface when squeezing the dispenser.Type: GrantFiled: July 17, 2000Date of Patent: May 14, 2002Inventors: Klaus M. A. Vollrath, Jurgen K Vollrath
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Patent number: 6386463Abstract: Atomized particles within a desired size range (e.g., 1 micron to about 5 microns) are produced from two immiscible fluids, the first a fuel source containing the formulation to be atomized, and a second fluid source which is contained in a pressure chamber surrounding at least the area where the first liquid is to be provided. The invention provides a method for the formation of small, relatively uniform fuel particles for use in internal combustion engines and a nozzle-type apparatus for providing the particles to a combustion chamber.Type: GrantFiled: June 27, 2000Date of Patent: May 14, 2002Assignee: Universidad de SevillaInventor: Alfonso Ga{overscore (n)}an-Cálvo
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Patent number: 6357626Abstract: A pre-filled oral liquid disposable plastic container along with its storage means are provided to deliver medication to a patient in a easy to use and sanitary manner. The plastic container (20) includes a hollow bulb portion (22) on one end and a hollow stem portion (24) on the other. A bulbous flange (26) is integrally formed onto the distal end or the hollow stem, thus permitting comfortable insertion of the container into a patient's mouth. A specified quantity of liquid medication (28) is pre-filled into the container with the container sized appropriately. The plastic in the container is colored, thereby indicating the type of liquid medication, and permitting the medication to be colorless and still maintain its identity. All of the containers have a recognizable shape on the bulb portion, such as a cylinder with spherical ends for adult medicine, or in some shape attractive to infants and small children.Type: GrantFiled: March 5, 2001Date of Patent: March 19, 2002Inventors: Jack Yongfeng Zhang, Anthony D. Marrs, Mary Ziping Luo
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Patent number: 6334557Abstract: A capped container is disclosed, which includes a container body, a nozzle, a cap, and retainer means provided between the inside wall of the cap and the shoulder or nozzle tip of the nozzle for enabling the nozzle to be press-fitted first into the cap and then fastened to the opening of the container body with the cap. When holding the cap to aim the nozzle at the opening of the container body, the punch of an automatic machine is pressed on the top of the cap to force the nozzle into engagement with the opening of the container body without causing damage to the nozzle.Type: GrantFiled: November 13, 2000Date of Patent: January 1, 2002Inventor: Kuo-Chen Yang
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Publication number: 20010035432Abstract: A dropper assembly comprising a pipette portion, having a proximate end and a distal end, the distal end of said pipette having an opening through which fluid is adapted to flow in the pipette pr9otion; a cap portion having a top wall, the proximate end of the said pipette portion being integrally formed with the top wall of said cap portion on one side thereof; a bulb portion having a flange at one end thereof, said cap portion having an annular wall extending axially outwardly from the opposite side of the top wall thereof, the flange of said bulb portion being positioned on said opposite side of said top wall, and said annular wall being swaged over the flange of said bulb portion, to thereby integrally connect said bulb portion to said cap portion.Type: ApplicationFiled: December 28, 2000Publication date: November 1, 2001Inventor: John D. Buehler
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Patent number: 6308867Abstract: The dispenser outlet (13) is microbiologically sealingly closeable by a valve stopple (25) which closes counter flow direction (11). Outlet 13 is manually reversely opened prior to the pump stroke against a spring (34). The medium reaches outlet (13) via throttles (22, 21, 49). Thus the medium creeps practically non-pressurized to an adhering face (51) of a droplet former (50). There the medium accumulates to a droplet suspending in the upside-down position. The medium contained in the dispenser (1) is effectively protected from germ contamination and the droplet may be simply administered to an eye or the like.Type: GrantFiled: August 31, 1999Date of Patent: October 30, 2001Assignee: Ing. Erich Pfeiffer GmbHInventor: Michael Wolter
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Patent number: 6293428Abstract: A soap feeding device mounted in a housing comprises an upper housing having a soap reservoir and a lower housing having a control assembly consisting of a power source, a sensor means including a circuit board, a transmission means including a drive means, a reduction gear set, and a crankshaft, and a feeding means. A setting switch on circuit board is extended through hole in the bottom of lower housing being enclosed by a waterproof silicone switch such that user may press the silicone switch to set the dropping of the device. The power source is activated once the sensor senses the stretching out of ones hand. Then reduction gear set is driven to rotate. The rotation of the gear causes the crankshaft to reciprocally move between a pair of clips. Thus the actuated bellow-like extruder compresses air into a barrel which is in cooperation with valve and poppet to extrude soap.Type: GrantFiled: June 23, 2000Date of Patent: September 25, 2001Inventor: Yi-Chen Chen
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Patent number: 6273661Abstract: A method and apparatus for binding sheet print media uses a cartridge adapted from ink-jet technology for selectively firing droplets of adhesive onto an adjacently positioned stack of printed sheets.Type: GrantFiled: August 7, 2000Date of Patent: August 14, 2001Assignee: Hewlett-Packard CompanyInventor: David M. Payne
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Patent number: 6267270Abstract: The invention provides a liquid dispenser for dispensing liquid medicaments, in particular, in metered droplets, in which an upwardly open container (2) can be closed off by means of a deformable diaphragm (3) and liquid is dispensed from the container (2) in the form of droplets through an outlet tube (12) leading out of the interior of the container when slight pressure is exerted on the diaphragm (3), the opening of the outlet tube (12) pointing at the upper surface of the diaphragm (3). This allows an instrument used to exert the pressure on the diaphragm (3), e.g. pincers holding a piece of cotton wool, also to be used at the same time to take up the liquid displaced from the container (2); single-handed operation is thus possible. Any unused liquid cannot run back. The instrument comes into contact only with the diaphragm (3) and the liquid dispensed onto it, and the diaphragm (3) can be exchanged before each re-use, thus satisfying even the high hygiene requirements in the medical sector. (FIG.Type: GrantFiled: February 25, 2000Date of Patent: July 31, 2001Inventor: Alfred Schaffner
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Patent number: 6241124Abstract: The present invention is a single-use container useful for the storage and dispension of small quantities of liquids. The subject container is particularly useful for dispensing sterile, preservative-free formulations, such as those used in single dose eye drop applications.Type: GrantFiled: November 25, 1997Date of Patent: June 5, 2001Assignee: Bausch & Lomb IncorporatedInventor: Earl Hoyt
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Patent number: 6223947Abstract: An eye dropper bottle for application of opthalmic solutions to the eye includes a bottom wall which is a convex lens which collects light and is configured to focus the ambient light at about the tip of the eye dropper. Thus when an individual utilizes this device, the bottom wall of the eye dropper is focused at a light source such as an incandescent light and as the individual applies the solution to his eyes. The light from the light source will pass through the lens, collect at the tip illuminating the tip relative to the surrounding dropper bottle.Type: GrantFiled: January 31, 2000Date of Patent: May 1, 2001Inventor: Byron W. Bernard
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Patent number: 6213354Abstract: A system and method for dispensing fluid droplets of a known volume uses a control system using inner and outer control loops. The inner control loop includes a pump which pressurizes a fluid against an aperture, causing fluid to pass through the aperture and to a dispensing tip at a particular flow rate. The pressure of the fluid upstream of the aperture is measured and fed back to a controller, which also receives a setpoint input representative of desired dispensed volume. The outer control loop uses a droplet volume measuring system which determines the volume of the droplet that forms at the outlet of the dispensing tip as a result of the applied pressure, the value of which is also fed to the controller.Type: GrantFiled: December 29, 1999Date of Patent: April 10, 2001Assignee: Elite Engineering CorporationInventor: Robert L. Kay
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Patent number: 6197008Abstract: A dropper tip 30 is provided which allows a person to instill a drop D into and eye E from a bottle 20 that has compressible and resilient walls 19 while the bottle 20 is held in a horizontal orientation. The dropper tip 30 includes an internal passage 37 into which a stem 35 is inserted. The stem 35 has a groove 36 along its peripheral surface which allows the flow of liquid 21 from the reservoir 20 to the free end 29 of the tip 30. The stem 35 protrudes from the external opening 44 of the internal passage 37 of the tip 30 and has a head 33 on the protruding end. The drop D adheres to the head 33 rather than adhere to and migrate along the external surface 28 of the tip 30. The dropper tip 30 further includes an annulus 32 at the free end 29 of the tip 30 which encircles the external opening 44 of the internal passage 37. The annulus provides a surface for a drop D of liquid 21 to adhere to while awaiting release.Type: GrantFiled: May 26, 1999Date of Patent: March 6, 2001Inventor: James Hagele
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Patent number: 6170711Abstract: The present invention relates to a container for dispensing a fluid product, the container having a dispensing device on or within which is placed at least one magnet.Type: GrantFiled: February 18, 1998Date of Patent: January 9, 2001Assignee: E-L Management Corp.Inventors: Adam Sherman, Charles Craig Tadlock, Andrew J. Bevacqua
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Patent number: 6152331Abstract: A bilge cleaner dispenser and method of dispensing liquid bilge cleaner is provided that continuously dispenses a preselected amount of bilge cleaner over time into a bilge. A flow regulator is attached to the standard external threads of the mouth opening of a conventional container of bilge cleaner such that when the container is turned in an orientation that allows liquid flow by gravity, the liquid bilge cleaner drips out of the flow regulator into the bilge at a predetermined rate over time. The conventional container of liquid bilge cleaner is removably attached to a rigid support member. The support member is attachable to a rigid frame such as a suitable location of a boat, and maintains the container of bilge cleaner in an orientation such that the bilge cleaner drips out of the flow regulator directly into the boat's bilge at a predetermined rate.Type: GrantFiled: March 18, 1999Date of Patent: November 28, 2000Assignee: Crew Cleaner, Inc.Inventor: Pierre Clement
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Patent number: 6135985Abstract: A dispenser of eyedrop medication that includes a detachable spout connected to a bottle. The spout has a curved bend region that terminates in a discharge port and that extends in a radial direction from a center of the mouth of the eyedrop bottle to define a distance less than one-half a width of the body of the eyedrop bottle or, if larger, then made of a flexible, resilient material. In this manner, a cap may be secured to the eyedrop bottle to contain the spout with the confines of the cap.Type: GrantFiled: April 7, 1999Date of Patent: October 24, 2000Inventor: Mark D. Fromer
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Patent number: 6129248Abstract: A tip 10 for a liquid dropper 2 is provided which allows liquids such as eye medication to be easily and precisely released from the dropper. The tip 10 is oriented in a substantially horizontal position with an opening 20 in the tip 10 located directly above the targeted area of a patient's eye E. The opening 20 is surrounded by a substantially planar annular face 30 which enhances control of the trajectory of each dispensed droplet D. The annular face 30 encourages the release of each droplet D along the plane formed by the annular face 30. A perimeter ring 40 circumscribes the annular face 30 and abuts a circumambient notch 50. The narrow width 42 of the perimeter ring 40, juxtaposed against the geometric departure of the notch 50, creates an impediment to wettable adhesion of each droplet D to an exterior surface of the tip 10 by minimizing the lateral wettable area available to a droplet D as it exits the opening 20, descends along the annular face 30, then drops toward the eye E of the patient.Type: GrantFiled: September 18, 1998Date of Patent: October 10, 2000Inventor: James Hagele
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Patent number: 6119953Abstract: The object of the present invention is a liquid atomization procedure that uses appropriate geometric parameters and physical properties to ensure that the liquid to be atomized is discharged as a continuous, steady capillary microjet through a suitable orifice. The procedure relies on the microwithdrawal effect undergone by a liquid-gas interface when the gas is withdrawn from a point (orifice) near the liquid surface. The invented procedure is applicable to any mechanism involving homogeneous atomization of liquids (particularly electronic fuel injection).Type: GrantFiled: April 21, 1999Date of Patent: September 19, 2000Assignee: Aradigm CorporationInventors: Alfonso Ganan-Calvo, Antonio Barrero Ripoll
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Patent number: 6116468Abstract: The invention relates to a method for keeping the dispensing parts on a device for administering a sterile preparation for local treatment containing a preservative-free preparation free from bacterial growth. This is achieved in that the dispensing part is allowed to dry quickly after each use. The invention is also directed towards a cap to be used in this method.Type: GrantFiled: April 23, 1997Date of Patent: September 12, 2000Assignee: Astra AktiebolagInventor: Kurt Nilson
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Patent number: 6116516Abstract: The invention is directed to a stable capillary microjet and a monodisperse aerosol formed when the microjet dissociates. A variety of devices and methods are disclosed which allow for the formation of a stream of a first fluid (e.g. a liquid) characterized by forming a stable capillary microjet over a portion of the stream wherein the microjet portion of the stream is formed by a second fluid (e.g. a gas). The second fluid is preferably in a different state from the first fluid--liquid-gas or gas-liquid combinations. However, the first and second fluids may be two different fluids in miscible in each other. The stable capillary microjet comprises a diameter d.sub.j at a given point A in the stream characterized by the formula: ##EQU1## wherein d.sub.j is the diameter of the stable microjet, = indicates approximately equally to where an acceptable margin of error is .+-.10%, .rho..sub.1 is the density of the liquid and .DELTA.P.sub.g is change in gas pressure of gas surrounding the stream at the point A.Type: GrantFiled: November 13, 1998Date of Patent: September 12, 2000Assignee: Universidad de SevillaInventor: Alfonso Ganan-Calvo
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Patent number: 6105828Abstract: A dropper tip which is adapted to be connected to a container for dispensing fluid, such as medications and like, from the container includes a body having first and second opposite ends and an inner wall defining a conduit therethrough. The inner wall smoothly diverges and gradually increases in inner diameter from the first end to the second end such that air bubbles are prevented from being permanently trapped along the inner wall. The inner wall is highly polished and may be made of olefinic material, silicone rubber material, or fluorocarbon, including, but not limited to, polytetrafluoroethylene (PTFE), carbon tetrafluoroethylene (CTFE), fluoroethylene propylene (FEP) or the like, to resist fluid wetting, facilitate fluid detachment therefrom and to reduce fluid film thickness therealong. The surface of the inner wall is smoothed to minimize surface roughness.Type: GrantFiled: April 22, 1998Date of Patent: August 22, 2000Assignees: Atrion Medical Products, Inc., Baush and Lomb Pharmaceuticals, Inc.Inventors: Rowland W. Kanner, Paul Wesley Lombard, Joseph Murray Ault, Jr.
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Patent number: 6101946Abstract: The invention herein describes a device for fabricating microarrays of biochemical substances, consisting of a holder and one or more printing pins. The holder contains apertures with regular spacing that define the location of one or more printing pins during the printing process. The tip of each printing pin contains a sample channel that holds a predetermined volume of biological or chemical sample and a point that is machined to precision with an electronic discharge machine (EDM). The device can be attached to a motion control system for precise and automated movement in three dimensions. The flat tips of the pins are immersed in a biochemical sample such that a predefined volume of sample fills the sample channel of each pin. The holder and pins are then moved in proximity to a printing substrate whereby direct contact between the flat tips of the pins and the surface results in the transfer of a small amount of the sample onto the solid surface.Type: GrantFiled: November 13, 1998Date of Patent: August 15, 2000Assignee: TeleChem International Inc.Inventor: Richard S Martinsky
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Patent number: 6098852Abstract: A liquid container includes a drop dispensing tip with a hollow stem which defines a liquid passageway and an interior partition wall in the passageway. The partition wall separates the liquid passageway into an upstream chamber and a downstream chamber. Flow communication between these two chambers is provided by a liquid passage in the partition wall. The liquid passage guides liquid against an impingement surface in the downstream chamber from which the liquid is dispensed dropwise.Type: GrantFiled: January 27, 1999Date of Patent: August 8, 2000Assignee: Automatic Liquid Packaging, Inc.Inventors: Gerhard H. Weiler, Ralph Kaufmann
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Patent number: 6076709Abstract: Dental adhesive container dropping system, characterized by the combination of (a) a dental adhesive polymerizable with visible light dissolved in acetone or acetic acid ethyl ester; (b) a light impermeable bottle (1) for the dental-adhesive, elastically deformable for the drop formation, with a laminated wall (3) comprising (b1) at least one polymer layer (15) impermeable to acetone or acetic acid ethyl ester, and (b2) at least one light impermeable, elastically deformable polymer layer (13); (b3) a compatibilizer guaranteeing the laminate structure and which can be formed as at least one intermediate layer (17) or which can be admixed to the elastically deformable polymer layer (13); (c) a light impermeable and evaporation-proofsealable dropper insert (20) of light impermeable plastic material with a dropper conduit (50) enlarging from the inner to the outer part, whereby; (c1) the diameter at the inlet end corresponds to the desired drop size; and, (c2) the diameter at the discharge end is within the rangeType: GrantFiled: May 4, 1998Date of Patent: June 20, 2000Assignee: Dentsply DeTrey G.m.b.H.Inventor: Ralf Wilner
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Patent number: 6041978Abstract: A dropper 10 is provided which allows a person to precisely instill eye drop solution while the person's head and the dropper 10 are oriented in an upright position. The dropper 10 includes a deformable, resilient reservoir 40 of medicinal fluid which may be squeezed to to cause the fluid to flow up a supply conduit 15 to a housing 20 of the dropper 10. The fluid then flows out an opening 32 in a tip 31 of the dropper 10. An inner rod 130 or inner delivery tube 30 extends along an interior of the supply conduit 15. The tube 30 or rod 130 discourages air bubbles from being entrapped within the conduit 15. The tip 31 extends forward from a center line 41 along an extension 27 which is substantially perpendicular to a collar 50 extending up from the reservoir 40.Type: GrantFiled: October 30, 1998Date of Patent: March 28, 2000Inventor: James Hagele
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Patent number: 6024253Abstract: A container which comprises a bottle portion and a tube portion. The bottle portion includes a recess adjacent the top opening of the bottle, whereby one can access small amounts of liquid easily with a dropper. The dropper is stored within the tube, which protects the dropper from contamination by microbes and/or viruses, as well as other contaminants.Type: GrantFiled: March 29, 1999Date of Patent: February 15, 2000Inventor: Alice Marie Doctor
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Patent number: 6010254Abstract: A liquid ejection apparatus includes an ejection tank disposed above a conveying path and storing an image-forming solvent, a nozzle plate provided at the ejection tank as a bottom wall of the ejection tank and having a plurality of nozzle holes for ejecting the image-forming solvent, and at least one actuator for moving the nozzle plate reciprocally toward and away from an image-recording material on the conveying path. As the image-forming solvent is ejected from the nozzle holes, bubbles may enter into the ejection tank by way of the nozzle holes. However, the bubbles rise in the ejection tank without remaining in vicinities of the nozzle holes. As a result, a case in which bubbles close the nozzle holes and prevent the image-forming solvent from being released from the nozzle holes is avoided. Consequently, the image-forming solvent can be uniformly applied onto the image-recording material.Type: GrantFiled: December 20, 1996Date of Patent: January 4, 2000Assignee: Fuji Photo Film Co., Ltd.Inventor: Kazuo Sanada
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Patent number: 6000580Abstract: A device for dispensing a liquid, sterile, preservative-free preparation free from bacterial growth. The device includes a reservoir which contains the preparation and, in fluid communication with the reservoir, a dispensing part constructed to deliver the liquid preparation directly to a predetermined region of the human body. The device also includes a protective cap constructed to be removably mounted over the dispensing part, where the protective cap has an opening which allows ambient air to reach the dispensing part to facilitate air-drying of the dispensing part. Located near the opening is a plug constructed from an absorbent material, such as ethylenevinylacetate foam or sintered polyethylene, which helps the dispensing part dry quickly.Type: GrantFiled: December 3, 1998Date of Patent: December 14, 1999Assignee: Astra AktielbolagInventor: Kurt Nilson
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Patent number: 5992701Abstract: A device for packaging and dispensing a sterile liquid product. The device comprises a reservoir on which a nozzle is mounted. The nozzle is provided with an inner conduit which has an upstream end communicating with the reservoir and a downstream end opening to the outside via an evacuation orifice. The inner conduit is at last partially obturated by an insert of selective porosity which allows both a metered flow of the product to the outside and a filtration of air sucked towards the inside, stopping biological polluting and/or contaminating agents.Type: GrantFiled: April 2, 1998Date of Patent: November 30, 1999Assignee: SofabInventors: Jean-Louis Bougamont, Pascal Hennemann
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Patent number: 5971208Abstract: A device and method for delivering an animal attractant scented liquid to a spot on the ground. The device is intended to be positioned on the ground. It employs a flexible walled container with an external gas filled balloon strapped to the container so positioned that expansion and contraction of the gas within the balloon, in response to temperature changes, causes the wall of the container to flex so as to discharge liquid from the container when the temperature rises, and cease discharging on a temperature drop.Type: GrantFiled: June 12, 1998Date of Patent: October 26, 1999Inventor: Gene Kennedy
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Patent number: 5913455Abstract: 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 for rapidly metering a predetermined minute blob of the viscous material from the chamber through a nozzle. The reservoir is pressurized with gas to force the viscous material into the chamber to refill the same. The chamber is heated to control the viscosity of the material. Dispensing rates in excess of four blobs per second can be achieved. Variations in the height of the nozzle from the surface of the workpiece are not critical to uniform rapid dispensing. An alternate embodiment eliminates the diaphragm and instead rapidly retracts a nozzle relative to a fluid feed conduit to eject very small blobs of viscous material. A strain gauge detects refill of the chamber inside the nozzle and sends a signal to control refill logic circuitry.Type: GrantFiled: February 20, 1997Date of Patent: June 22, 1999Assignee: Nordson CorporationInventors: Duong La, Robert L. Ciardella, Alec J. Babiarz, Carlos E. Bouras
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Patent number: 5906300Abstract: An applicator of resilient plastic material having a double wall construction, an air chamber between the walls and spacers in the air chamber is disclosed. The applicator is adapted to be pressed between the thumb and forefinger to dispense glue. The applicator has an applicator body comprising a shoulder, a dispensing opening in the shoulder and a downwardly depending skirt. A cup which is adapted to hold glue, particularly cyanoacrylate glue, is within the skirt and the top and bottom portions of the cup are in fluid tight engagement with the applicator body adjacent the top and bottom of the skirt. The cup fits within the skirt with its walls in spaced apart relationship with the skirt to provide an air chamber therebetween. The shape of cup walls and the opposed skirt generally conform to each other. A preferred embodiment includes friction elements on the outside of the skirt overlying at least a portion of the area covered by the spacers.Type: GrantFiled: November 17, 1997Date of Patent: May 25, 1999Assignee: Toagosei America, Inc.Inventor: Takashi Horie
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Patent number: 5848999Abstract: An eye drop dispensing device (10), designed to replace the cap (18) of an eye drop squeeze bottle (12), includes a positioning member (38). The positioning member is brought to bear against a boundary (54) of a patient's (14) lower eyelid (36), and the assembly (52) rotated about the member to bring a nozzle tip (24) of the device in facing relation with the eye (32). Besides providing stability to the assembly, the member assists in the eversion of the lower eyelid to form a well-like configuration (61) to receive drops (28). Thus, the patient may maintain a primary gaze position (17), facilitating the eye drop dispensing procedure.Type: GrantFiled: August 18, 1994Date of Patent: December 15, 1998Inventors: Vincent P. Basilice, Joseph P. Basilice
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Patent number: 5803310Abstract: A bottle cap adaptable spout that is attachable to an appropriately modified plastic cap of a spent motor oil bottle that converts the spent motor oil bottle into an oiler for dispensing oil contained therein.Type: GrantFiled: December 3, 1996Date of Patent: September 8, 1998Inventor: Min Tet Soon
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Patent number: 5799837Abstract: A packaged pharmaceutical product having extended shelf life includes a pharmaceutical preparation and a dispensing container. The container has a hollow body, having an open end therein, and is formed from a blend of low density polyethylene, having high permeability of label-related extractables, and a polypropylene, having low permeability of label-related extractables. A body wall thickness enables both drop-by-drop dispensing of the pharmaceutical preparation by manual squeezing of the body, and, in combination with the blend of polymers, prevents significant ingress of label-related extractables through the body wall upon storage of the container with the body filled with the pharmaceutical preparation. A dropper tip fixed to the body open end is provided for forming droplets of pharmaceutical preparation upon manual squeezing of the body.Type: GrantFiled: January 22, 1997Date of Patent: September 1, 1998Assignee: AllerganInventors: Bruce A. Firestone, Ava Hayashi
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Patent number: 5775546Abstract: A dispensing bulb having a squeezable body portion and integral squeezable neck portion having a pair of diametrically disposed vent holes. An adaptor is mounted in the neck portion and is provided with a cylindrical portion extending into the bulb neck portion beyond the vent holes and spaced radially inwardly therefrom. A dispensing tube is connected to the adaptor and communicates with the interior of the bulb. The neck portion of the bulb is squeezed to draw liquid into the tube, and the cylindrical portion of the adaptor limits the squeezing of the neck portion to prevent liquid from being drawn through the tube into the body portion of the bulb.Type: GrantFiled: May 1, 1997Date of Patent: July 7, 1998Assignee: Comar, Inc.Inventor: John D. Buehler
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Patent number: 5766642Abstract: A mechanism for making granulated material from a viscous substance includes a vessel charged with the substance and having a discharge arrangement such as a slit through which the substance can flow onto a cooling surface. A belt disposed above the cooling surface is passed across the slit of the vessel. The belt has openings arranged to periodically come into alignment with the slit to allow the substance to flow therethrough. The belt is a thin metal belt strengthened by sleeves projecting from respective ones of the openings in a direction away from the vessel.Type: GrantFiled: July 17, 1995Date of Patent: June 16, 1998Assignee: Santrade Ltd.Inventor: Reinhard Froeschke
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Patent number: 5735437Abstract: A dispenser for dispensing relatively low viscosity material includes a plunger that is movable to advance the plunger in the chamber. A full stroke of the lever dispenses no more than a single drop of material from the chamber. A cap is detachably connected to an outlet of the chamber and includes an arm in contact with the lever when the cap is connected to the outlet for releasably retaining the lever in a fixed position to prevent unintentional discharge of material from the chamber. A stop comprising one or more sets of teeth is connected to the lever for hindering advancement of the plunger after the lever is released. In certain embodiments, the dispenser includes two side-by-side chambers, and a mixing tray has a well with side recesses for receiving protruding outlets of the chambers.Type: GrantFiled: May 29, 1996Date of Patent: April 7, 1998Assignee: Minnesota Mining and ManufacturingInventors: Bruce R. Broyles, James A. Wilson, Vern E. Radewald, James C. Biesecker
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Patent number: 5713495Abstract: An eye-drop dispenser guide designed for aiding the insertion of an eye-drop into the eye. The guide is designed to stabilize a dispenser so that an individual can safely and accurately insert drops into any area of the eye. The guide includes three essentially perpendicular regions, one designed to grasp the eye-drop dispenser, one designed to rest on the bridge of the user's nose, and one intermediate portion designed to set the eye-drop dispenser off from the user's eye. The portion that rests on the user's nose is preferably curved so as to accommodate the user's finger and to permit easy pivoting of the guide.Type: GrantFiled: October 11, 1995Date of Patent: February 3, 1998Inventor: Leslie E. Menard
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Patent number: RE37734Abstract: A dispensing bulb having a squeezable body portion and integral squeezable neck portion having a pair of diametrically disposed vent holes. An adaptor is mounted in the neck portion and is provided with a cylindrical portion extending into the bulb neck portion beyond the vent holes and spaced radially inwardly therefrom. A dispensing tube is connected to the adaptor and communicates with the interior of the bulb. The neck portion of the bulb is squeezed to draw liquid into the tube, and the cylindrical portion of the adaptor limits the squeezing of the neck portion to prevent liquid from being drawn through the tube into the body portion of the bulb.Type: GrantFiled: April 3, 2000Date of Patent: June 11, 2002Assignee: Comar, Inc.Inventor: John D. Buehler
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Patent number: H2044Abstract: Containers a retaining member disposed within the container which substantially obstructs the opening of the container are disclosed. In a preferred embodiment, the member enlarges to receive a dispensing instrument that is used to cap the container.Type: GrantFiled: November 2, 1998Date of Patent: September 3, 2002Assignee: McNeil-PPC, Inc.Inventors: Michael Faughey, Daniel A. Backich, M. Simon Freed, Brian J. Brozell