Abstract: After it has been evacuated, a liquid crystal cell whose filling hole is located at a corner of the cell is immersed into a liquid crystal material inside a vacuum jar and immediately raised again, whereby a drop of liquid crystal material forms at the filling hole. Then the vacuum jar is quickly aerated and the cell is filled outside the vacuum jar. The volume of the drop and the volume of the cell have to be brought into line with each other in such a way that the drop volume is at least as great as the volume of the cell interior so that filling can take place with the drop volume only.

Abstract: An apparatus for controllably feeding a particulate material, and particularly silicon material into a crucible, comprises a drum mounted for rotation about an axis tilted at an acute angle with reference to the horizontal. At least one cavity, a portion of which is formed in the inner surface of the bottom wall of the drum, extends from about the outer periphery of the bottom wall at its one end towards the center thereof at its other end. At one of its ends, the cavity communicates with an aperture in the bottom wall. A feeding tube having an outlet port supplies the material into the cavity and is so positioned in relation to the drum that the outlet port directs the material into the cavity only when the cavity is in a rotational position in which its end with the aperture is elevated with respect to a horizontal plane above the other end of the same cavity and pours the material into that portion of the receiving cavity which is remote from the aperture.

Abstract: A combination of a pipette and a liquid transfer apparatus is disclosed. The liquid transfer apparatus comprises a frame defining a liquid inlet aperture connected by a first passageway to a dispensing aperture, an air vent aperture connected by a second passageway that extends toward the first passageway, and a valve interposed between the two passageways to alternate between allowing continuous liquid flow along the first passageway, or continuous air flow along the second passageway and part of the first passageway.

Abstract: 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 the liquid against gravity.

Abstract: A syringe infusion or other patient health care fluid delivery arrangement or system having a substantially constant force syringe holder/driver for a fluid-dispensing, preferably disposable, syringe to which an on-off valve and effectively bendably flexible tube connecting set are connected. The outside diameter of the tubing of an available flow-rate assortment of suitably identifiably marked tube connecting sets is formed of a desired single size by extrusion addition of a plastic outer overcoat layer over the inner fluid-carrying tubing, enabling interchangeable accommodation and securing thereon of standard single-size conventional or other desired connectors, whereby a single health care professional may fill a syringe with a prescribed dosage and concentration of health care fluid, and may also preselect and fix the delivery rate for the fluid, by selecting and assembling a given syringe holder/driver, fluid-filled syringe and tube connecting set.

Abstract: This ultrasonic atomizer includes an oscillating member, a means for vibrating the oscillating member at a supersonic frequency, a bottle for liquid storage, with an opening, fitted generally above the oscillating member with regard to the preferred orientation of the atomizer during use, and a nozzle fitted into the opening of the bottle, this nozzle having a tip portion protruding outside the bottle in the generally downwards direction and approached closely to the oscillating member. The nozzle is formed with a fine groove for leading liquid in the bottle downwards to the tip portion of the nozzle by capillary action and by gravitational action, and with an aperture for introducing air from the outside into the bottle. Thereby liquid in the bottle may be properly supplied to the oscillating member to be atomized in a controlled fashion, and interruption of liquid supply and also dribbling of liquid are positively prevented. Constructions for the nozzle and for the bottle are also disclosed.

Abstract: A capping device for an ink jet recorder is provided with a support frame of substantially L-shaped cross-section contained in a frame and supporting an ink absorbing member inside thereof, and a throttle plate in contact with the underside of the absorbing member and disposed substantially parallel to the support frame, the capping device being so disposed that the rear end edge of the throttle plate opposite to a recording head is situated vertically below the side edge surface of the recording head. The specification also discloses an ink jet recording apparatus having such capping device. (FIGS. 1 and 6-8). A flow path for directing liquid squeezed from the absorbing member has upper and lower stages, the upper stage having a sufficiently large diameter that a liquid meniscus does not form and the lower stage having a small diameter that permits a meniscus to form. (FIGS. 9 and 10).

Abstract: A dispenser for manually filling a plurality of liquid receptacles simultaneously is disclosed. The dispenser includes an elevated base having a plurality of apertures through which liquid may flow into receptacles or cups positioned thereunder. Leg members support the base to position the apparatus over the receptacles. A filler tank is secured to the base for retaining a volume of liquid. Sandwiched between the filler tank and the base, a slide cover is manually rotatable over the base between an open position and a closed position so that a plurality of selectively placed apertures in the slide cover line up with selected apertures in the base to permit fluid flow therethrough. The filller tank of the apparatus includes a vacuum release valve for manually controlling the flow of fluid through the apertures in the base.

Abstract: A method and apparatus for automatically filling a plurality of flexible vessels or pipettes with liquid in a controlled manner. The vessels are sorted, inserted into a filling rack and then inserted in the rack into a vacuum container with their filling ports or tubes inserted into the liquid. The container and hence the vessels are evacuated to a desired pressure, which then is released to fill the vessels with a desired amount of liquid. The vessels then are removed in the rack and sealed for later use. The sealed vessels then can be labeled prior to use.

Abstract: A method for the filling of a container with a potable liquid, such as fruit juice, and a filler nozzle for practicing the method. Prior methods for filling containers with potable liquids have often employed a series of nozzles, each discharging a single stream of liquid, falling under the action of gravity, vertically downward through an opening in a nozzle, each nozzle acting in cooperation and being attached to its valve. As the container is filled, both splashing and foaming of the liquid in the container, has often caused problems. According to the method and apparatus of this invention, the potable liquid to be dispensed into a container is directed to the interior surface of the container at a point above its intended fill level. By virtue of this method, foaming and splashing are minimized at each filler nozzle station.

Abstract: In its initial position an input opening of a sample input device provides a seal against a funnel element which is directly connected to a feed pipe delivering standard media and to a valve-controlled air supply, and which has a feed opening cooperating with the input opening. Thus, in the initial position of the sample input device, the input opening and the feed opening at the funnel element together are part of a closed path for the additional media required for measurement and cleaning purposes, which will simplify the overall design of the apparatus.

Abstract: A liquid sample in a syringe can be injected into a capillary column with inner diameter less than 200 microns without inserting the injection needle of the syringe into the column. The end of a modified injection needle according to this invention has a tubular opening with inner diameter sufficiently large so that the intake end of the column can be inserted inside, thereby establishing an annular duct between the needle and the column. A carrier gas is caused to flow through this duct while the plunger on the syringe is pressed to squeeze the liquid into the needle, thus forcing the liquid into the capillary column.

Abstract: A hose assembly for use to regulate flow from a dispensing device that provides a generally constant pressure on a liquid to be dispersed. The hose assembly includes a length of capillary tubing through which the liquid must pass as it is dispersed which has a length of at least 45 centimeters and a volume of less than about 0.25 cubic centimeters so that the assembly can provide a slow steady predetermined flow rate while containing a small amount of the liquid being dispensed.

Abstract: A capillary transport device is disclosed, suitable for use as an ion bridge for potentiometric test elements. Such device has an internal capillary transport passage, and two access apertures for separate access of two different liquids to two spaced-apart regions of the passage. To control the liquid flow rate within the passage, there is disposed on at least a portion of at least one of the surfaces of the passage between the two regions, means for (a) increasing the viscosity of the liquid while it is flowing past at least one surface, and (b) at the same time maintaining such flow continuous within the passage.

Abstract: A battery filler unit for automatically filling a battery container to a predetermined level consists of a vessel containing liquid to be dispensed into the battery. The vessel is supplied with liquid in a manner to maintain a constant head in the vessel. An orifice in the bottom of the vessel above a downpipe, extending in use into the top of a battery, ensures that an air seal is formed across the orifice by the action of surface tension of the dispensing liquid. As the container fills, air is trapped in the downpipe and dispensing of liquid from the vessel ceases when a pressure equilibrium is established, at which time the liquid level in the container will be at a predetermined desired level.

Abstract: In a device for the extraction of capillary blood including a capillary open at both ends and being of a predetermined volume, having a capillary effect at least at the front end thereof, a holder is integrally connected to said capillary which is provided with one or more windows.For avoiding dosage errors, a closure pin for the rear end of the capillary or in a modification a rear transverse wall having one or more air exit apertures is provided.

Abstract: This invention relates to a container having a reservoir for storing a liquid and an intermediate storage space communicating with said reservoir and adapted to receive liquid therefrom on generation of a vacuum therein. Communication between reservoir and intermediate storage space is through a capillary tube having an inside diameter small enough so that a column of liquid is maintained therein whenever pressures in said reservoir and storage space are substantially equal, but large enough so that liquid flows into the storage space when pressure therein is lower than in the reservoir. The closure for the container comprises a piston which, as the container is opened, moves out of the storage space to create a vacuum therein.

Abstract: An improved device for the study of biochemical or enzymatic reactions produced by living organisms is disclosed. The device comprises a sandwich of two plastic sheets sealed to each other, the said sandwich having a central open area with upstanding walls which define a central receptacle which is closed at its bottom by one of said plastic sheets. Internal of the sandwich are a plurality of radially-extending cavities providing individual reaction chambers, which are in communication with the central receptacle internal of the sandwich, as by means of capillaries of reduced cross-section with respect to the reaction chambers themselves. The reaction chambers have apertures therein, preferably at their radially-outwardly extending portions, to enable aerobic growth therein.