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US3172173A Expired / Lapsed US ⏱️ 0.0 years remaining

ellms

Assignee: —
•
Filing: —
•
Granted: 1965-03-09
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Expires: 1982-03-09
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:34
CPC Classifications
B; B22; B22C; B22C15/00; B22C15/10; B22C15/12; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S425/00; Y10S425/019

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 236 words
A FOUNDRY MOLDING MACHINE COMPRISING A BASE, LAN UPSTANDING FRAME SECURED TO SAID BASE, A PAIR OF ELEVATING CYLINDERS MOUNTED IN SAID BASE AND SUPPORTING A PATTERN PLATE THEREON, MEANS ON SAID FRAME TO POSITION A FLASK ABOVE SAID PATTERN PLATE TO BE RAISED FROM SAID MEANS WHEN SAID PATTERN PLATE IS RAISED BY SAID PISTONCYLINDER ASSEMBLIES, A SAND HOPPER AT THE TOP OF SAID FRAME, A SAND BOX WITHIN SAID FRAME BENEATH SAID SAND HOPPER, AND LOUVER MEANS TO CONTROL THE GRAVITY DISCHARGE OF SAND FROM SAID SAND BOX, CONVEYOR MEANS EXTENDING HORIZONTALLY TRANSVERSELY IN SAID FRAME, CARRIAGE MEANS POSITIONED ON SAID CONVEYOR MEANS, AND MEANS TO SHUTTLE SAID CARRIAGE MEANS BACK AND FORTH BENEATH SAID LOUVER MEANS; SAID CARRIAGE MEANS COMPRISING A SAND CHUTE ADAPTED TO BE ALIGNED WITH SAID LOUVER MEANS AND SAID PATTERN PLATE AND FLASK IN ONE POSITION THEREOF, AND A SAND SQUEEZE HEAD ADAPTED TO BE ALIGNED WITH SAID PATTERN PLATE AND FLASK IN THE OTHER POSITON THEREOF, SAID PISTON-CYLINDER ASSEMBLIES BEING OPERATIVE TO RAISE SAID PATTERN PLATE AND FLASK IN THE OTHER POSITION THEREOF, WHEN SO ALIGNED TO SQUEEZE THE SAND THEREIN, SAID MEANS TO SHUTTLE SAID CARRIAGE BACK AND FORTH COMPRISING A PISTON-CYLINDER ASSEMBLY HAVING THE ROD THEREOF CONNECTED TO SAID CARRIAGE MEANS, AND HOOD MEANS MOUNTED ON SAID CARRIAGE MEANS OPERATIE ALWAYS TO OVERLIE THE ROD OF SAID PISTON-CYLINDER ASSEMBLY TO PROTECT THE SAME FROM FALLING SAND.
Claim 2
Dependent Claim 236 words
A FOUNDRY MOLDING MACHINE COMPRISING A BASE, LAN UPSTANDING FRAME SECURED TO SAID BASE, A PAIR OF ELEVATING CYLINDERS MOUNTED IN SAID BASE AND SUPPORTING A PATTERN PLATE THEREON, MEANS ON SAID FRAME TO POSITION A FLASK ABOVE SAID PATTERN PLATE TO BE RAISED FROM SAID MEANS WHEN SAID PATTERN PLATE IS RAISED BY SAID PISTONCYLINDER ASSEMBLIES, A SAND HOPPER AT THE TOP OF SAID FRAME, A SAND BOX WITHIN SAID FRAME BENEATH SAID SAND HOPPER, AND LOUVER MEANS TO CONTROL THE GRAVITY DISCHARGE OF SAND FROM SAID SAND BOX, CONVEYOR MEANS EXTENDING HORIZONTALLY TRANSVERSELY IN SAID FRAME, CARRIAGE MEANS POSITIONED ON SAID CONVEYOR MEANS, AND MEANS TO SHUTTLE SAID CARRIAGE MEANS BACK AND FORTH BENEATH SAID LOUVER MEANS; SAID CARRIAGE MEANS COMPRISING A SAND CHUTE ADAPTED TO BE ALIGNED WITH SAID LOUVER MEANS AND SAID PATTERN PLATE AND FLASK IN ONE POSITION THEREOF, AND A SAND SQUEEZE HEAD ADAPTED TO BE ALIGNED WITH SAID PATTERN PLATE AND FLASK IN THE OTHER POSITON THEREOF, SAID PISTON-CYLINDER ASSEMBLIES BEING OPERATIVE TO RAISE SAID PATTERN PLATE AND FLASK IN THE OTHER POSITION THEREOF, WHEN SO ALIGNED TO SQUEEZE THE SAND THEREIN, SAID MEANS TO SHUTTLE SAID CARRIAGE BACK AND FORTH COMPRISING A PISTON-CYLINDER ASSEMBLY HAVING THE ROD THEREOF CONNECTED TO SAID CARRIAGE MEANS, AND HOOD MEANS MOUNTED ON SAID CARRIAGE MEANS OPERATIE ALWAYS TO OVERLIE THE ROD OF SAID PISTON-CYLINDER ASSEMBLY TO PROTECT THE SAME FROM FALLING SAND.
Claim 3
Dependent Claim 82 words
A SQUEEZE HEAD FOR FOUNDRY MOLDING MACHINES AND THE LIKE COMPRISING A SQUEEZE HEAD FRAME, A DONWARDLY FACING CAVITY IN SAID FRAME, A PLURALITY OF HOLLOW RESILIENT DEFORMABLE SQUEEZE BLOCKS SECURED TO THE INSIDE OF SAID CAVITY EACH HAVING VERTICALLY CONTINUOUS SIDE WALLS IN NESTED ENGAGING RELATIONSHIP WITH THE SIDE WALLS OF ADJACENT BLOCKS, CLAMPING PLATES IN SAID SQUEEZE HEAD CLAMPING SAID BLOCKS TO SAID FRAME, AND MEANS IN SAID HEAD PROVIDING DIRECT FLUID COMMUNICATION BETWEEN EACH OF SAID HOLLOW SEQUEEZE BLOCKS.
Claim 4
Dependent Claim 82 words
A SQUEEZE HEAD FOR FOUNDRY MOLDING MACHINES AND THE LIKE COMPRISING A SQUEEZE HEAD FRAME, A DONWARDLY FACING CAVITY IN SAID FRAME, A PLURALITY OF HOLLOW RESILIENT DEFORMABLE SQUEEZE BLOCKS SECURED TO THE INSIDE OF SAID CAVITY EACH HAVING VERTICALLY CONTINUOUS SIDE WALLS IN NESTED ENGAGING RELATIONSHIP WITH THE SIDE WALLS OF ADJACENT BLOCKS, CLAMPING PLATES IN SAID SQUEEZE HEAD CLAMPING SAID BLOCKS TO SAID FRAME, AND MEANS IN SAID HEAD PROVIDING DIRECT FLUID COMMUNICATION BETWEEN EACH OF SAID HOLLOW SEQUEEZE BLOCKS.

References Cited (Backward Citations)

US331208A Cited
US2857636A Cited
US2962775A Cited
US995690A Cited
US2411043A Cited
US2686345A Cited
US2830337A Cited
US2968846A Cited
US2988789A Cited
US3056183A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-08 1968-09-07 1969-03-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-08 1972-09-07 1973-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-08 1976-09-07 1977-03-09 $7700.00 Window Closed / Lapsed

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