Archimedes screw with flexible-bottomed trough for processing and handling in the agri-food sector

FR2645132A1Inactive Publication Date: 1990-10-05CORBERON RENE
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Patent Information

Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
CORBERON RENE
Filing Date
1989-04-03
Publication Date
1990-10-05
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing agro-food handling systems using Archimedean screws fail to effectively transfer fragile vegetables like cooked peas without causing damage, and there is a need for improved materials and designs to prevent jamming and deterioration during the transfer process.

Method used

The Archimedean screw is equipped with a flexible-bottomed bucket made of stainless steel and a food-grade polyester tarpaulin coated with PVC, featuring a slightly stretched design and elastic tensioners, along with adjustable deflectors and a gearmotor positioned at the head to minimize obstruction, ensuring gentle vegetable handling.

Benefits of technology

The solution enables the transfer of fragile vegetables like cooked peas without damage, while preventing jamming and deterioration, enhancing the efficiency and reliability of the transfer process.

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Abstract

This addition concerns the agri-food adaptations (use in canneries, handling of raw or cooked fruits and vegetables, grapes or pomace, etc.) of the screw conveyor with a flexible-bottom hopper made of extra-strong polyester tarpaulin. Its widened lower section (hopper) includes two semi-rigid deflectors, one of which (2a) is positioned to allow vegetables to slide on the opposite, upward side of the screw so they are not trapped between the edge of the screw and the tarpaulin. The equipment will be adapted according to each specific case: a geared head for maximum lowering, a water spray bar along the conveyor's path, etc.
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