Matches 201 - 250 out of 373 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4610846 Compartmentalized centrifugation chamber  
The stability of buoyant density gradients in centrifuge tubes decreases rapidly when the volume of the tubes is increased beyond 50-100 ml because vortices form in large tubes on acceleration and...
4604086 Multifunction centrifuge  
A multifunction centrifuge consists of a rotor 1 to which a plurality of centrifuge bowls 2 are rigidly fixed. Each bowl 2 has two chambers 3a, 3b connected with each other for free flow...
4571238 Centrifuge rotor having a retaining arrangement thereon  
A rotor for a centrifuge is provided with a peripheral groove having confronting slots communicating therewith. A retaining member is disposed so as to overlie each of the slots by a predetermined...
4568325 Breakaway base for an ultracentrifuge rotor  
A breakaway base for use with an ultracentrifuge rotor wherein the base is designed to fracture when the rotor is above a specified speed so that the rotor will disengage from the drive spindle of...
4553955 Multi-angle adapter for fixed angle centrifuge rotor  
A centrifuge rotor is provided with a plurality of cavities having a non-circular cross-section for receiving mating multi-angle adapters, which may be inserted in the cavities with selected...
4512202 Pregrooved centrifuge tubes  
A thick walled centrifuge tube with a generally constant internal diameter and having at least one circumferential groove within the exterior surface of the tube. The groove is designed to have a...
4511349 Ultracentrifuge tube with multiple chambers  
A thin-wall centrifuge tube having multiple chambers for use in fluid sample investigation with an ultracentrifuge. More particularly, the multiple chamber ultracentrifuge tube can be used, for...
4509940 Fixed angle pelleting rotor configured to provide a maximum clearing rate factor  
A fixed angle pelleting rotor is physically configured such that the clearing rate factor K R , functionally related to the volume V of each bottle carried by the rotor, the number N of bottles...
4498896 Heatable centrifuge  
A heatable centrifuge is formed of a rotor rotatable about a central axis. The rotor includes a dish shaped portion concentric to the central axis and a jacket portion extending upwardly from the...
4484907 Microtube adapter having a holding and uncapping apparatus  
An adapter for a swinging bucket centrifuge rotor includes a slide plate having a retaining lip and a cam surface thereon. Movement of the plate in one direction to a holding position disposes the...
4484906 Shell type centrifuge rotor retaining ruptured tube sample  
A rotor adapted for containing a plurality of sample tubes and for retaining the contents of such tubes if any should rupture while in the rotor. The rotor includes an upper shell and a lower shell...
4479720 Apparatus for rotating reaction vessels in inclined posture  
An apparatus for rotating reaction vessels in an inclined posture, comprising a plate, means for rotatably supporting the plate, means for rotating the plate at a predetermined speed, a plurality...
4464161 Safety device for centrifugal separators  
A centrifugal separator capable of selectively mounting sedimentation tubes or capillary tubes on a rotor includes a container receptacle mounted in an outer box of the separator for receiving...
4462964 Conditioning device for preparing multiple analyses  
The conditioning device has a receptacle (5) which communicates with n calibrated analysis cells (10 to 19) in which the analysis reagents are placed the liquid to be analyzed being conveyed from...
4460351 Rotor for a centrifuge  
A rotor for a centrifuge comprises a rotatable shaft, a disc-shaped bottom plate fixed to the rotatable shaft, and a holder plate mounted on the bottom plate for holding sedimentation tubes. The...
4451250 Inside adapter for a sample container  
An adapter for supporting a centrifuge container from the inside surface thereof includes a bore extending through a portion thereof. The bore exhibits generally confronting planar surfaces each...
4449965 Shell type centrifuge rotor having controlled windage  
The present invention is directed to a shell type centrifuge rotor formed as a frustoconical shell having a circular rim adjacent at least one end thereof. The lower end of the shell is open,...
4449964 Decanting centrifuge  
A decanting centrifuge for processing liquid material in cylindrical open-topped sample tubes supported on the rotor and movable from a first position with the open ends directed towards the rotor...
4435167 Centrifuge  
A centrifuge with swinging sample vessels has a rotor with curved rolling support faces on which the sample vessels may be rolled as they are moved into and out of a horizontal position by...
4427406 Sectional shaped liner for a centrifuge rotor  
A one piece integrally formed sectional shaped liner for use in combination with similarly shaped sectional liners in a generally cylindrical chamber of a centrifuge rotor. The utilization of a...
4417981 Blood phase separator device  
A blood collection device for receiving whole blood adapted to be centrifuged into phases of lighter and heavier specific gravity includes a container with proximal and distal ends and a penetrable...
4416778 Means for preparing neocyte enriched blood  
A method of preparing neocyte-enriched blood is disclosed wherein a contained sample of whole blood is centrifuged at high speed so as to distribute the blood components in said chamber along a...
4412973 Autonomous simultaneous analysis apparatus and a method of using it  
Analysis apparatus which uses a solid reaction support designed to hold successively a quantity of a compound such as a biological liquid which contains a substance to be analyzed, and then a...
4412830 Cover for centrifuge rotor  
A cover having a free-turning knob in its center for use on the rotor of a centrifuge. The knob includes tool means for coupling the knob with a threaded fastener securing the rotor to a drive...
4398905 Variable pressure rotor  
A fixed angle centrifuge rotor having a cavity is provided with a well adapted to receive a predetermined volume of a liquid having a predetermined specific gravity. The well is interconnected with...
4396381 Closure device for specimen-containers such as test tubes  
A closure device for a test tube to be used with an ultra-centrifuge comprising an insertion member, the insertion member including a bottom section which is adopted to be inserted into the test...
4375272 Fixed angle tube carrier  
A fixed angle tube carrier is provided for use with externally shouldered sample tubes and a centrifuge rotor having formed therein a plurality of symmetrically disposed vertical slots in its outer...
4372483 Fluid containment annulus for fixed angle rotors  
A centrifuge rotor for carrying a plurality of centrifuge tubes at a fixed angle with respect to the spin axis of the rotor wherein the rotor has a containment annulus located above the tube...
4364832 Separating member in a separating tube for centrifugal separation  
A separating tube (2) preferably made from a plastics material for centrifugal separation of a liquid containing at least two components and preferably blood is provided, in which an asymmetrically...
4360151 Aerosol resistant bowl rotor  
A sealed bowl rotor having a transparent lid for easy visual checking of rotor contents. The lid has sealing means that automatically creates a seal which prevents the escape of liquid samples from...
4360150 Centrifuge apparatus for reorienting gradients  
A centrifuge rotor and sample containers for reorienting gradients and separating the components of a sample. The rotor contains a plurality of cylindrical recesses equally spaced about its...
4358425 Penetrable centrifuge tube  
A transparent tube for use in the cavity of the rotor of a high speed centrifuge. The tube is penetrable at its bottom end by a needle of a hypodermic syringe. The tube is open at the top and has a...
4356957 Centrifugal bucket  
Centrifugal bucket 1, 31 consists of a plastic material 52, in which a U-shaped metal part 2, 32 is imbedded. Receiving grooves 3, 33 for sustaining the pegs of the centrifugal suspension gear are...
4350593 Assembly, compositions and method for separating blood  
The disclosure is of an improved assembly, compositions and method for the separation of blood into its light, liquid and heavy, substantially cellular phases with insertion of a non-Newtonian...
4341342 Centrifuge  
A centrifuge is provided with a rotor having a plurality of spaced arms each of which has formed integrally therewith stepped portions projecting towards adjacent arms. Tube rack carrying test...
4340171 Air driven centrifuge adjustable rotor seat  
A rotor seat which automatically adjusts its position with respect to the rotor in response to air flow levitation air entering between the rotor and the rotor seat. The central portion of the...
4327661 Chamber block having a supernatant collection receptacle therein  
A chamber block removably insertable into a centrifuge rotor of the type used for the preparation of cell dispersions on slides is characterized by a opening formed in the chamber block which, when...
4314663 Swinging type rotors of centrifugal machines  
In a swinging type rotor of a centrifugal machine of the type wherein the rotor is provided with a plurality of equally spaced radial arms and each arm is provided with a pair of trunnion pins for...
4306514 Chamber block with a removable supernatant collection vial  
A chamber block removably insertable into a centrifuge rotor of the type used for the preparation of cell dispersions on slides is characterized by a opening formed in the chamber block and sized...
4306676 Tube holder for centrifuge rotor  
A test tube holder for insertion into a cylindrical test tube cavity in a centrifuge rotor to support a plurality of relatively small test tubes within the rotor cavity. The holder includes a body...
4305546 Large diameter air driven centrifuge rotor  
A large diameter air driven centrifuge rotor which holds a plurality of centrifuge tubes in a fixed horizontal position. The rotor is designed to operate in a stable and smooth condition on a rotor...
4304356 Supporting cap for sealed centrifuge tube  
A fluid-containing means for each bore of a centrifuge rotor is disclosed which combines a self-capped tube and a floating cap resting on the top of the tube and arranged to resist deformation of...
4301963 Integral one piece centrifuge tube  
A substantially enclosed centrifuge tube having a small fill or access port at one end. In its preferred form there is integrally formed adjacent the fill port a neck or stem which is fused to...
4301964 Swinging tube holder  
A centrifuge tube holder designed for use in a centrifuge rotor to hold a plurality of small volume tubes in such a manner that, when the centrifuge rotor is at rest, the tubes will be oriented at...
4290550 Modular supporting cap and spacer for centrifuge tubes  
A modular spacer concept is disclosed for use in centrifuge bores. The arrangement is such that various sizes of tubes are available to allow for different amounts of fluid which may be inserted...
4279863 Reagent separator for a blood collection tube  
An apparatus (10,50) is provided for physically retaining a reagent (17) in a blood collection tube (11) separate from a blood sample until the tube (11) is centrifuged. The apparatus includes a...
4244513 Centrifuge unit  
Disclosed is an improved centrifuge apparatus for separating substances of varying density and a method of controlling the speed of a rotor of the centrifuge apparatus. A vent-view port is mounted...
4235367 Secondary centrifuge tube seal  
A secondary seal arrangement for use in a rotor to ensure the retention of the fluid sample within the test tube cavity of the rotor during high speed centrifugation in an ultracentrifuge. The...
4226669 Vacuum centrifuge with magnetic drive  
A high speed centrifugal concentrator includes a vacuum chamber within which a centrifuge rotor is rotatably mounted for spinning a plurality of vials containing biological solutions or the like at...
4221325 Cooling structure for a centrifuge  
In a centrifuge in which a truncated-cone-shaped angle rotor is disposed in an outer casing and driven by a motor disposed in the outer casing and a plurality of sample tube containers are mounted...
Matches 201 - 250 out of 373 < 1 2 3 4 5 6 7 8 >