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Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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Class 209/155 - Liquid


Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Methods and means wherein liquid is employed as the assorting
No. of patents: 112
Last issue date: 01/03/2012


    3  
NumberTitleIssue Date
4543180Device for separating coarse and fine particles from ultrafines
A device for separating fine articles as sand from a sludge containing ultrafine articles comprises a continuously rotated substantially horizontal drum having a helical web at the peripheral inside thereof. The mass flow to be separated is deposited in t...
09/24/1985
4518498Metallurgical slag filtering apparatus which effects uniform charging of a conveyer belt
A filtration apparatus comprised of a rotary drum having a plurality of internal vanes for conveying slag material is presented. The slag is conveyed upwardly by the vanes, after which is falls freely onto a conveyer belt passing longitudinally through th...
05/21/1985
4477349Metalurigical slag filtering apparatus
A filtration apparatus comprised of a rotary drum having a plurality of internal vanes for conveying slag material therein therein is presented. The slag is conveyed upwardly by the vanes, after which it falls freely onto a conveyer belt passing longitudi...
10/16/1984
4448679Apparatus and method for sedimentation field flow fractionation
A plastic ring has a circumferential groove formed in its outer peripheral surface. The ring is fitted in a bowl-type centrifuge rotor such that the ring's outer surface contacts the inner wall of the rotor. The channel is defined by the groove and rotor ...
05/15/1984
4446015Field flow fractionation channel
A free floating plastic channel for sedimentation field flow fractionation is suspended in a centrifuge rotor filled with a compensating liquid. The channel is constructed of a plastic central hub assembly fitted with a plastic outer ring preferably havin...
05/01/1984
4446014Sedimentation field flow fractionation channel and method
A free floating plastic channel for sedimentation field flow fractionation is suspended in a centrifuge rotor filled with a compensating liquid. The channel is constructed of a plastic central hub assembly fitted with a plastic outer ring preferably of a ...
05/01/1984
4414106Method and apparatus for improving sedimentation field flow fractionation channels
The channel in a sedimentation field flow fractionation apparatus is improved by the use of a heavy liquid layer formed of a water immiscible, chemically inert, nontoxic material. This thin, heavy liquid layer prevents the sample from plating on the outer...
11/08/1983
4392454Apparatus and method for rearing shrimp
An apparatus and method for rearing shrimp through the larvae stage wherein the shrimp are subjected to controlled conditions and a common enclosure for the male and female adult shrimp is provided which permits uncontrolled access of the shrimp to one an...
07/12/1983
4357235Drive for rotating seal
A long, thin annular belt-like channel can be used in sedimentation field flow fractionation. A rotating seal is required to couple fluids to the channel inlet and from the channel outlet. A flexible shaft is used to drive the rotating seal and thereby de...
11/02/1982
4356083Unbalanced rotor for field flow fractionation channel
The mass center of a field flow fractionation channel is adjusted to coincide with the geometric center of the channel. Under these conditions, above critical rotor speeds, the mass center will coincide with the geometric center of the channel and both wi...
10/26/1982
4353795Field flow fractionation channel
A sedimentation field flow fractionation channel is constructed to have an outer support ring and a continuous inner channel ring mating with the support ring to define the channel. The channel ring has a tension modulus capable of following centrifugally...
10/12/1982
4325819Coal washing plant
An apparatus and method for washing and recovering raw coal with no more than about 5% moisture and coal fines down to 200 mesh is disclosed. A complete washing plant having the ability to wash raw contaminated coal is disclosed. However, this invention i...
04/20/1982
4321135Method for separating solid phase from drilling mud
A method for separating solid phase from drilling mud, comprising forming from drilling mud an adhesive layer 4 on a revolving closed curvilinear surface 3 by partially submerging it in the drilling mud and forming from a treatment liquid (5) an adhesive ...
03/23/1982
4292089Process for continuously dissolving a particulate solid material, notably a lignocellulose material
A fragmented material is dissolved continuously by impregnation and immersion into a solvent bath in which said material is subjected to a moderate mixing movement allowing it to be kept within the interior of said bath to undergo dissolution therein unti...
09/29/1981
4285810Method and apparatus for field flow fractionation
The method described is useful in field flow fractionation techniques for reducing separation times and improving the convenience and accuracy of measuring sizes or molecular weights of particulates. In field flow fractionation, the particulates (particle...
08/25/1981
4285809Rotor for sedimentation field flow fractionation
A long, thin annular belt-like channel is designed for use in sedimentation field flow fractionation. The channel has a generally rectangular cross section and a width to thickness aspect ratio lying in the range of 3-50 to 1. The channel may be formed of...
08/25/1981
4284498Apparatus for field flow fractionation
A long, thin annular belt-like channel is designed for use in sedimentation field flow fractionation. This channel, which may be contained in the rotor of a centrifuge, has a generally rectangular cross-section. It has an inlet positioned to introduce par...
08/18/1981
4284497Rotor for sedimentation field flow fractionation
A long, thin annular belt-like channel is designed for use in sedimentation field flow fractionation. This channel, which may be the rotor of a centrifuge, is designed to maintain its thickness dimension constant by forming the radially inner wall with a ...
08/18/1981
4283276Rotor for sedimentation field flow fractionation
A long, thin annular belt-like channel is designed for use in sedimentation field flow fractionation. This channel, which is the rotor of a centrifuge, is designed to maintain its thickness dimension constant and yet facilitate its manufacture and cleanin...
08/11/1981
4280923Method for fractionating soluble polymers and colloidal particles
Colloidal particles are fractionated by size and dissolved polymers are fractionated by molecular weight by passing a polar solvent dispersion containing one or both through a bed of surface-bonded particles wherein the particles consist of a nonswellable...
07/28/1981
4274948Separation of minerals
A process is described for the separation of impurities from an aqueous slurry, dispersion or suspension. Streams of aqueous phase and an organic phase comprising a non-polar organic liquid are passed through a multi-compartment rotary contactor. A collec...
06/23/1981
4259179Method and apparatus for separating solids
A method and apparatus for separating solids of different relative weights by exposing the generally horizontally flowing solids to a fluid separating current flowing in a generally upward direction to buoy up the lighter solids while permitting the heavi...
03/31/1981
4250026Continuous steric FFF device for the size separation of particles
A method and apparatus for continuous, steric field-flow fractionation and segregation of particles according to particle size. An elongate, fluid flow channel carrying a stream of entrained particles is subjected to a force field which urges the particle...
02/10/1981
4214981Steric field-flow fractionation
A steric field-flow fractionation system including a flow channel adapted for use with a carrier stream of fluid having particles suspended therein and a force field disposed across the flow channel to cause migration of the particles to a restraining wal...
07/29/1980
4147621Method and apparatus for flow field-flow fractionation
A method and apparatus for flow field-flow fractionation involving the application of a lateral cross flow superimposed on a channel fluid flow in a field-flow fractionation system. The cross flow is developed by applying a pressure across semipermeable p...
04/03/1979
4119533Method for separating mixed plastics
A method of separating highly hydrophobic plastics from a plastics mixture comprising placing the plastics mixture in an aqueous liquid medium, keeping the aqueous liquid medium in an agitated state to disperse the plastics mixture whereby the plastics ha...
10/10/1978
4083776Method and apparatus for removing extraneous matter from waste glass with use of flow of water
Water is supplied to an inclined drum having a helical wall on its inner peripheral surface to cause the water to flow over the helical wall and also on the inner peripheral surface of the drum and to thereby form a flow of water running from the upper en...
04/11/1978
4077874Method removing radioactivity from kaolin
A method of reducing the radioactivity found in naturally occurring kaolins to about 40% below its native value, and the leachable radiogenic components to less than 20%. This reduction is achieved by removing from the kaolin particles of a size less than...
03/07/1978
4074865Method of recovering platinum group metal values from a used washcoated catalyst
This invention relates to the recovery of metallic values from materials such as catalysts containing or supporting the values. The method comprises removing a layer or layers and a catalyst support including a quantity of the metallic value and thereafte...
02/21/1978
4066536Particle size separation by suspension flow in an unobstructed passageway
Particles suspended in a fluid medium are separated into isolated fractions by size by passing a suspension of such particles through an unobstructed passageway, the particles emerging from the passageway in decreasing order of size....
01/03/1978
4052299Apparatus for washing impurities out of granular material
Freshly dredged gravel is washed free of loamy and organic impurities while being continuously conveyed through a wash zone which includes a delivery chute and a plane endless conveyor band entrained in a direction opposite to that of the material deliver...
10/04/1977
4010095Hydrodynamic method for separation of solid bodies or crystals
A method for hydrodynamic separation of enantiomorphic crystals such as mono-clinic or tri-clinic crystals as well as other bodies, at least one of which does not possess a center of hydrodynamic resistance, wherein said bodies are caused to move in one d...
03/01/1977
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