Dispensing device

• US 3,319,837 A
• Filed: 01/27/1965
• Issued: 05/16/1967
• Est. Priority Date: 01/27/1965
• Status: Expired due to Term

• Current Assignee: John J. Mueller
• Original Assignee: John J. Mueller
• Inventors: Mueller, John J.
• Application Number:
  US04/428,363
• Time in Patent Office: 839 Days
• US Class Current: 222/212
• CPC Class Codes: B05B 11/0041 compensating underpressure without contact of the fluid remaining in the container with the atmospheric air B05B11/026 and B05B11/028 take precedence
• CPC Class Codes: B65D 83/00 Containers or packages with special means for dispensing contents dispensing means incorporated in removable or non-permanently secured container closures B65D47/00; for shops, stores, offices, bars, or the like A47F1/04; showcases or show cabinets with dispensing arrangements A47F3/02; magazines for screws or nuts in combination with spanners, wrenches or screwdrivers B25B23/06; for use in connection with the handling of sheets, webs, or filamentary material B65H
• CPC Class Codes: Y10S 215/902 Vent

Claims

16. A LIQUID SPRAY DISPENSER COMPRISING A FLEXIBLE, RESILIENT OUTER CONTAINER HAVING TWO INTERNAL CHAMBERS;

A NOZZLE;

A PASSAGEWAY FROM EACH CHAMBER TO SAID NOZZLE;

A CHECK VALVE IN ONE OF SAID PASSAGEWAYS CONSTRUCTED AND ARRANGED TO PERMIT FLOW ONLY FROM WITHIN THE ASSOCIATED CHAMBER TO THE NOZZLE;

AN AIR INLET INTO THE CHAMBER ASSOCIATED WITH THE PASSAGEWAY HAVING THE CHECK VALVE;

A CHECK VALVE COOPERATING WITH SAID AIR INLET CONSTRUCTED AND ARRANGED TO PERMIT FLOW ONLY FROM OUTSIDE THE CHAMBER TO WITHIN;

AND AN EXPANSIBLE AND INFLATABLE BLADDER WITHIN THE CHAMBER ASSOCIATED WITH THE AIR INLET, FIXED TO ONE INTERNAL SURFACE THEREOF, ISOLATING THE AIR INLET FROM THE PASSAGEWAY OF THE CHAMBER TO THE NOZZLE.