Continuous sieving apparatuses for pupae separation
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United States of America Patent
Stats
-
Feb 7, 2023
Grant Date -
Oct 21, 2021
app pub date -
Feb 10, 2021
filing date -
Apr 16, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A continuous sieving apparatus is described. The continuous sieving apparatus includes an inclined sieve surface attached to a wall. The inclined sieve surface is inclined with respect to a horizontal axis for pupae to continuously flow across down the incline. A set of openings is formed in the sieve surface so as to define a set of pathways extending through the sieve surface. The set of opening are defined by a length dimension that is greater than a width dimension. When the inclined sieve surface is submerged in a liquid, a first pupa having a first cephalothorax width that is less than the width dimension is free to move through any one of the set of openings, and a second pupa having a second cephalothorax width that is greater than the width dimension is prevented from moving through the set of openings.
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