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US3406738A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic matchplate moulding machine

Assignee: Heatherwill Co
•
Filing: 1967-04-06
•
Granted: 1968-10-22
•
Expires: 1987-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Hunter William Allan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 07:14
CPC Classifications
B; B22; B22C; B22C17/00; B22C17/08; B22C17/10; B22C11/00; B22C11/02; B22C11/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 166 words
IN A MOULDING ACHINE, A DRAG FLASK HAVING A MATCHPLATE MOUNTED THEREON, MEANS FOR FILLING SAID FLASK WITH MOULDING MATERIAL, A BOARD ADAPTED TO BE MOVED INTO POSITION OVER THE CONTENTS OF SAID DRAG FLASK AND TO BE HELD THERETO, MEANS FOR TURNING SAID DRAG FLASK TO AN UPRIGHT POSITION AND MOVING SAID FILLED DRAG FLASK TO A SECOND POSITION, WITH THE CONTENTS OF SAID DRAG FLASK RESTING ON SAID BOARD, A MOVABLE RAM MEMBER ADAPTED TO RECEIVE SAID FILLED DRAG FLASK AND TO BE ENGAGED WITH SAID BOARD AFTER SAID FILLED DRAG FLASK HAS BEEN MOVED TO SAID SECOND POSITION, A COPE FLASK ADAPTED TO SURMOUNT SAID FILLED DRAG FLASK, SAID FILLING MEANS BEING ADAPTED TO FILL SAID COPE FLASK WHEN SAID MATCHPLATE AND SAID DRAG FLASK MOVE AGAINST SAID COPE FLASK, AND MEANS MOVABLE TO A POSITION WITH RESPECT TO SAID COPE FLASK SO THAT UPON CONTINUED MOVEMENT OF SAID MOVABLE RAM THE MOULDING MATERIAL WITHIN SAID DRAG AND COPE FLASKS WILL BE COMPACTED.
Claim 2
Dependent Claim 166 words
IN A MOULDING ACHINE, A DRAG FLASK HAVING A MATCHPLATE MOUNTED THEREON, MEANS FOR FILLING SAID FLASK WITH MOULDING MATERIAL, A BOARD ADAPTED TO BE MOVED INTO POSITION OVER THE CONTENTS OF SAID DRAG FLASK AND TO BE HELD THERETO, MEANS FOR TURNING SAID DRAG FLASK TO AN UPRIGHT POSITION AND MOVING SAID FILLED DRAG FLASK TO A SECOND POSITION, WITH THE CONTENTS OF SAID DRAG FLASK RESTING ON SAID BOARD, A MOVABLE RAM MEMBER ADAPTED TO RECEIVE SAID FILLED DRAG FLASK AND TO BE ENGAGED WITH SAID BOARD AFTER SAID FILLED DRAG FLASK HAS BEEN MOVED TO SAID SECOND POSITION, A COPE FLASK ADAPTED TO SURMOUNT SAID FILLED DRAG FLASK, SAID FILLING MEANS BEING ADAPTED TO FILL SAID COPE FLASK WHEN SAID MATCHPLATE AND SAID DRAG FLASK MOVE AGAINST SAID COPE FLASK, AND MEANS MOVABLE TO A POSITION WITH RESPECT TO SAID COPE FLASK SO THAT UPON CONTINUED MOVEMENT OF SAID MOVABLE RAM THE MOULDING MATERIAL WITHIN SAID DRAG AND COPE FLASKS WILL BE COMPACTED.

References Cited (Backward Citations)

DE204414C Cited
US1768359A Cited
US2640234A Cited
US2695432A Cited
US2850775A Cited
US2904858A Cited
US3192579A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-22 1972-04-22 1972-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-22 1976-04-22 1976-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-22 1980-04-22 1980-10-22 $7700.00 Window Closed / Lapsed

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