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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 159/47.1 - PROCESSES


Subclass of Class 159 - Concentrating evaporators
Definition: Subject matter relating to methods of concentration.
No. of patents: 302
Last issue date: 01/10/2012


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NumberTitleIssue Date
4032391Low energy recovery compounding and fabricating systems for plastic materials
Plastics recovery and polyolefins compounding systems utilize a gear pump for the pumping function. The gear pump is specially designed to include a free media surrounding substantially the entire gear face with minimum sealing to improve volumetric pump ...
06/28/1977
4032572Method for concentrating an acrylamide aqueous solution
A method for economically concentrating an acrylamide aqueous solution by catalytic hydration without substantial deterioration in the product. According to the method, an acrylamide aqueous solution obtained from catalytic hydration, is concentrated by d...
06/28/1977
4019951Magma cooling tower
The invention is a method for removing dissolved solids from water by creating a condition of super-saturation of the solid material within a confined water circuit, propagating the formation of solids by a slurry process of evaporative crystallization wh...
04/26/1977
4016001Method and device for obtaining sugar crystals from a sugar solution
A method and a device for obtaining sugar crystals from a sugar solution by concentrating the thick juice emanating from the multi-stage evaporator in a continuously operating pre-concentrator to a concentration at which seed granulate could be added to t...
04/05/1977
4002538Distillation apparatus and method
A vapor compression type distillation apparatus and method is provided for distilling brackish water or seawater wherein increased efficiency can be achieved by virtue of an arrangement and operation which maximizes the average effective temperature diffe...
01/11/1977
3997388Dehydration of manure
A method and apparatus for the dehydration of cattle and horse manure, cow dung or pig droppings, characterized by the action of a flow of hot air and of ultrasonic radiation along the path of the matter to be dehydrated, and that of microwave radiation a...
12/14/1976
3993535Multiple effect evaporation process
There is disclosed a multiple-effect evaporation system wherein the last effect of the system in the direction of miscella flow is provided with a stripping tower in which vapor effluent from that effect countercurrently contacts feed to that effect. In a...
11/23/1976
3992247Process for the concentration of diluted salt-containing sulphuric acid
A two step process for concentrating and desalting dilute sulfuric acid including, first indirectly countercurrently contacting and heating the dilute acid with steam from a second step, removing overhead water vapor and withdrawing concentrated acid, and...
11/16/1976
3992372Processing polycaprolactam extraction liquors
A process for processing polycaprolactam extraction liquors by evaporation of water and distillation of the residue in which the evaporation of water is carried out in a plurality of stages and the evaporation energy for the removal of the bulk of the wat...
11/16/1976
3991171Dehydration of aluminum fluoride hydrates
Aluminium fluoride hydrates, especially aluminium fluoride trihydrate, are dehydrated by a process involving dehydration in two sections, the first dehydration being effected in a disc dryer while observing certain process conditions and the second dehydr...
11/09/1976
3977935Method and apparatus for evaporating liquids
A method of evaporating liquids to separate solid substances contained therein to form a residue of the substances characterized by applying subatmospheric pressure to at least one discrete portion of the liquid at a first pressure level and subsequently ...
08/31/1976
3975231Method for producing concentrated alumina slurries
A method for producing concentrated alumina slurries containing from about 14 to about 20 weight percent Al2 O3 by forming a solvent-aqueous alumina mixture and evaporating solent-aqueous vapor from said mixture to produce said conce...
08/17/1976
3975230Steam distillation of polyvinyl chlorine slurry in presence of metal salt
An improvement in the process for removing vinyl chloride from a water-polyvinyl chloride slurry, which contains unreacted vinyl chloride, by steam distillation is disclosed. In many instances, steam distillation of the slurry results in an increase in th...
08/17/1976
3969537Method for the processing of vinasse
A method is provided for processing and drying potato vinasse, produced from fermented mash. The mash is crushed, distilled and the resulting vinasse is fractionated in a decanter where the clear liquid is then passed into a three-phase downfall vaporizer...
07/13/1976
3966539Process for extracting dissolved salts from water
Evaporation of water from a salt-saturated liquid is facilitated by adding a particulate solid having a density greater than that of the saturated liquid, and by maintaining a thin surface layer of liquid by settlement of the solids to leave an optimum on...
06/29/1976
3966541Concentration of underground brines in situ by solar evaporation
A process is provided for the recovery of chemicals, such as chlorides, sulfates, carbonates and borates of such alkali metals as sodium and potassium, among others, from underground brines associated with an ore body containing said chemicals, wherein th...
06/29/1976
3959067Concentration of volatiles-bearing products
In the process for the concentration of volatiles-bearing products by a low-temperature, short-time, multi-effect evaporation method, a forward feed of the product and vapor occurs so that at least from a given stage of evaporation, each subsequent stage ...
05/25/1976
3956060Removal of reaction diluent from poly(arylene sulfide) reaction slurry
A method for the removal of substantially all of the reaction diluent from a reaction mixture containing poly(arylene sulfide) polymer, organic polar diluent, by-product alkali metal halide, and other impurities is provided by the atmospheric adiabatic ex...
05/11/1976
3953248Method and apparatus for reclaiming heat treating salt
Heat treating salt used as a bath in heat treating metal articles is reclaimed from the rinsing tank in a closed cycle by removing a portion of the salt-contaminated rinse water from the rinsing tank to an enclosed portion of the heat treating tank which ...
04/27/1976
3951752Method and apparatus for converting saline water to fresh water
Saline water, typically sea water or brackish water, after deaeration and deoxygenation is preheated, then further heated by steam condensing with the preheated saline water. By the further heating, bicarbonates are thermally decomposed, forming carbon di...
04/20/1976
3939036Heat exchangers and evaporators
The invention comprises a method of evaporating an aqueous solution containing dissolved solids or mineral salts without adherence of the solids or mineral salts to any surfaces contacting the aqueous solution which comprises the following steps: A. Flowi...
02/17/1976
3933574Method of and device for isolation of rubber-like polymers from hydrocarbon solutions
A method of isolating rubber-like polymers from hydrocarbon solutions comprises at least three steps of steaming and a device for realization of this method in which the hydrocarbon solution is delivered into the upper section of the vertical column of th...
01/20/1976
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