Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7284979 | Self aligning articulated joint for use in a hot runner system An injection molding self aligning articulated joint configured to be disposed between an injection unit and a hot runner. A joint is provided having first and second spherical surfaces and a melt channel therein. The joint is coupled to one of the injection unit an... | 10/23/2007 |
| 7252501 | Nozzle and apparatus for injection molding A nozzle controls flow of melt in injection molding equipment by passive actuation with opening and closing of a mold assembly. The nozzle comprises a valve pin having a pin passage therethrough movably supported within a nozzle passage and a contact arm transverse ... | 08/07/2007 |
| 7220117 | Nozzle and apparatus for injection molding A nozzle for controlling flow of melt in a mold assembly comprises a valve pin guide interposed between a nozzle inlet and nozzle outlet, a valve pin movably supported thereby, and a contact arm engaging the valve pin and transverse to and passing through the valve ... | 05/22/2007 |
| 6929041 | Keyed anesthetic vaporizer filling system A system for facilitating the delivery of a liquid anesthetic agent from an anesthetic bottle to an anesthetic vaporizer. The system includes a bottle adapter, an anesthetic bottle and a filler arrangement positioned on the anesthetic vaporizer. The bottle adapter a... | 08/16/2005 |
| 6688580 | Adjustable die for a fluid dispenser and method A die for dispensing a fluid onto a substrate, wherein the die has an movable lip adjacent a fixed lip to form a die opening therebetween. An actuator is mechanically connected to the movable lip and is operable to automatically move the movable lip with ... | 02/10/2004 |
| 5065910 | Dispenser head for flowable materials A dispenser for flowable materials has a dispensing head with a chamber having inlet and discharge openings of a predetermined volume, a closure to open and close the inlet, a body which can be positioned in the chamber, for occupying a portion of its vol... | 11/19/1991 |
| 4967931 | Bottom-up filler Apparatus for volumetric dosing of viscous products comprising a dispensing outlet connected to apparatus for substantially vertically moving the outlet, a supply conduit, a valve for the supply conduit, a dispensing valve and a dosing chamber. The dispen... | 11/06/1990 |
| 4905744 | Liquid-flow control apparatus A dosing device for filling liquid into containers comprises a filler body and a metering device. The metering device communicates with the interior of a rotary valve through an end cover of the valve housing, the valve including a valve seat and a check ... | 03/06/1990 |
| 4877160 | Valve unit A valve unit to be used in a packing machine of the type which manufactures filled and sealed non-returnable packages for dairy products such as milk, yogurt and the like from prefabricated blanks. The packages are filled one at a time by a metering pump ... | 10/31/1989 |
| 4565304 | Dosing apparatus for viscous liquid foodstuff A liquid-dosing apparatus has a lower tube centered on an axis and having a lower end provided with a nozzle, an upper tube telescoping coaxially with the lower tube and defining therewith an axial passage extending upward from the nozzle, A supply for fe... | 01/21/1986 |
| 4541548 | Dispenser with sniff device and method Apparatus for dispensing paint or other liquids having a rotational valve actuable between a dispensing position and a suction position and a piston and cylinder assembly in flow coupling relation to the valve, and having a base plate for rotationally pos... | 09/17/1985 |
| 4505298 | Fluid dispensing valve assembly A dispensing valve assembly for accurate volumetric dispensation of delicate fluids is disclosed, suitable for use with a fluid dispensing system. The valve has a poppet that is movable within a chamber. A bias spring or external operator urges the poppet... | 03/19/1985 |
| 4394945 | Valve having suck-back feature A valve assembly has a spring-biased discharge valve seated for closing the discharge whereafter product is sucked back from a discharge nozzle during a continued movement of the valve in the direction of closing. Parts of the valve may be relatively adju... | 07/26/1983 |
| 4263946 | Filling head assembly for dispensing liquid The invention provides a filling assembly for dispensing quantities of liquid into containers wherein there is a dispensing head which registers with the top of the container to be filled, the container is raised to lift the discharge head, the liquid is ... | 04/28/1981 |
| 4172471 | Valve unit In a non-drip valve for a fluid flow line having a vacuum unit comprising supply chamber, a discharge chamber and a vacuum chamber connected to the discharge chamber to withdraw fluid therefrom when the forward flow is arrested, an improved control valve ... | 10/30/1979 |
| 4147476 | Pump assembly for an atomizing piston pump A pump assembly for an atomizing piston pump comprises a first piston slidably located in a first cylinder to define a first variable volume space and a second piston of smaller piston area than the first slidably located in a second cylinder to define a ... | 04/03/1979 |
| 3937440 | Metering pump and combination two-section pinch-off aspirator valve This invention relates to a positive displacement adjustable volume pumping and dispensing system used to supply measured amounts of viscous material. The system includes a pneumatically or hydraulically driven submersible adjustable volume piston-type pu... | 02/10/1976 |
| 3934626 | Anti-drip injection nozzle for plastic molding An axially compliant injection nozzle for plastic molding machines incorporating a valve actuated by differential motion between the mold and the conditioning chamber comprises a tappet engaged on the stem of that valve and entrapping a valve spring betwe... | 01/27/1976 |
