Tray lyophilization apparatus

• US 3,293,772 A
• Filed: 10/04/1965
• Issued: 12/27/1966
• Est. Priority Date: 10/04/1965
• Status: Expired due to Term

• Current Assignee: Herbert Gottfried, Samuel Natelson
• Original Assignee: Herbert Gottfried, Samuel Natelson
• Inventors: Gottfried, Herbert, SAMUEL NATELSON
• Application Number:
  US04/492,730
• Time in Patent Office: 449 Days
• US Class Current: 34/92
• CPC Class Codes: F26B 5/06 the process involving freezing

Claims

1. AN ARRANGEMENT OF LYOPHILIZATION OF A VOLATILE CONSTITUENT IN A CONTAINER HAVING A STOPPER, COMPRISING IN COMBINATION;

A CABINET HAVING SHELVES THEREFOR SUPPORTING A VESSEL INTO WHICH SAID CONTAINER CAN BE PLACED WITH AT LEAST ONE SUCTION LINE PASSING INTO THE CABINET;

COOLING COILS, IN SAID CABINET DISPOSED SO AS TO COOL SAID VESSEL;

AT LEAST ONE COVER DEVICE IN SAID CABINET DESIGNED TO BE DISPOSED OVER SAID VESSEL MADE OF AN INERT MEDIUM HAVING A LOWER, AT LEAST PARTLY FLAT RESILIENT, SEALING SECTION, AN APERTURE IN SAID COVER DEVICE AND AN OUTLET DUCT SEALED THERETO FOR COUPLING TO SAID SUCTION LINE, A BLEEDER LINE, AND A BLEEDER VALVE COMMUNICATING WITH SAID COVER DEVICE APERTURE FOR DIFFERENTIAL PRESSURE RELEASE;

AND, A PISTON CHAMBER, PISTON ROD AND PISTON PLATE DISPOSED IN SAID APERTURE SAID PISTON PLATE BEING DISPOSED TO REST ON SAID CONTAINER STOPPERS, A FLUID FEED LINE TO SAID PISTON CHAMBER, SO THAT THE FEEDING OF FLUID THERETO WILL ACT ON SAID PISTON ROD PRESSING SAID PLATE ON SAID STOPPER SEALING THE CONTAINER.