Browse Prior Art Database

Continuous Vacuum Extraction

IP.com Disclosure Number: IPCOM000098547D
Original Publication Date: 1959-Feb-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 43K

Publishing Venue

IBM

Related People

Manko, HH: AUTHOR

Abstract

This device is for extracting soluble material from porous structures. The structure A is placed in the leaching tank 10 and covered with any well known solvent for vacuum impregnation. The temperature of the solvent is maintained by heating coils 11. Solvent in tank 12 is evaporated by coils 14, the vapor being condensed by cooling coils 15 to fill chamber 16 until a point is reached where the solvent is siphoned by pipe 17 to the leaching tank. When the level in that tank is raised to the level of pipe 18, it is siphoned into tank 12 and the cycle is repeated. The pipes 19 are provided for manual operation.

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Continuous Vacuum Extraction

This device is for extracting soluble material from porous structures. The structure A is placed in the leaching tank 10 and covered with any well known solvent for vacuum impregnation. The temperature of the solvent is maintained by heating coils 11. Solvent in tank 12 is evaporated by coils 14, the vapor being condensed by cooling coils 15 to fill chamber 16 until a point is reached where the solvent is siphoned by pipe 17 to the leaching tank. When the level in that tank is raised to the level of pipe 18, it is siphoned into tank 12 and the cycle is repeated. The pipes 19 are provided for manual operation. The removal of the solvent exposes the part to vacuum for low pressure bleeding so that the material to be extracted is forced to the surface, where the solvent is evaporated and the material remains to be washed off during the next cycle.

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