Process line for the production of freeze-dried particles
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United States of America Patent
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Feb 14, 2023
Grant Date -
Apr 9, 2020
app pub date -
Nov 27, 2019
filing date -
Oct 5, 2011
priority date (Note) -
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Abstract
A process line for the production of freeze-dried particles under closed conditions is provided, the process line comprising a freeze-dryer for the bulkware production of freeze-dried particles under closed conditions, the freeze-dryer comprising a rotary drum for receiving the frozen particles, and a stationary vacuum chamber housing the rotary drum, wherein for the production of the particles under closed conditions the vacuum chamber is adapted for closed operation during processing of the particles; the drum is in open communication with the vacuum chamber; and at least one transfer section is provided for a product transfer between a separate device of the process line and the freeze-dryer, the freeze-dryer and the transfer section being separately adapted for closed operation, wherein the transfer section comprises a temperature-controllable inner wall surface.
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