US3263712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag actuated switch mechanism for bag filling machine
Assignee: Amcor Flexibles North America Inc
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Filing: 1963-06-10
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Granted: 1966-08-02
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Erwin M Lau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:27
CPC Classifications
B; B65; B65B; B65B39/00; B65B39/06; B65B39/08; B65B39/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A BAG FILLING MACHINE COMPRISING A CHAMBER, A BAG FILLING SPOUT COMMUNICATING WITH SAID CHAMBER AND ADAPTED TO PROJECT INTO A BAG TO BE FILLED, FEEDING MEANS FOR CAUSING MATERIAL IN SAID CHAMBER TO FLOW THROUGH SAID SPOUT AND INTO SAID BAG, BAG WEIGHT RESPONSIVE MEANS FOR RENDERING SAID FEEDING MEANS INOPERATIVE WHEN A PREDETERMINED AMOUNT OF MATERIAL HAS BEEN FED INTO SAID BAG, A BAG CLAMP COOPERATING WITH SAID SPOUT FOR CLAMPING A BAG IN POSITION ON SAID SPOUT, AN OPERATING CIRCUIT FOR CONTROLLING THE OPERATION OF SAID FEEDING MEANS AND SAID BAG CLAMP, SAID OPERATING CIRCUIT INCLUDING A STARTING RELAY FOR CLOSING SAID CIRCUIT AND A SWITCH OPERATED BY SAID BAG WEIGHT RESPONSIVE MEANS FOR OPENING SAID CIRCUIT, SAID STARTING RELAY INCLUDING A START SWITCH, SWITCH CLOSING MEANS OPERABLE BY THE PLACING OF A BAG ON SAID SPOUT FOR CLOSING SAID START SWITCH AND FOR CAUSING OPERATION OF SAID BAG CLAMP AND SAID FEEDING MEANS, AND MEANS FOR OPENING SAID START SWITCH IMMEDIATELY AFTER CLOSING SAME.
Claim 2
Dependent Claim
168 words
A BAG FILLING MACHINE COMPRISING A CHAMBER, A BAG FILLING SPOUT COMMUNICATING WITH SAID CHAMBER AND ADAPTED TO PROJECT INTO A BAG TO BE FILLED, FEEDING MEANS FOR CAUSING MATERIAL IN SAID CHAMBER TO FLOW THROUGH SAID SPOUT AND INTO SAID BAG, BAG WEIGHT RESPONSIVE MEANS FOR RENDERING SAID FEEDING MEANS INOPERATIVE WHEN A PREDETERMINED AMOUNT OF MATERIAL HAS BEEN FED INTO SAID BAG, A BAG CLAMP COOPERATING WITH SAID SPOUT FOR CLAMPING A BAG IN POSITION ON SAID SPOUT, AN OPERATING CIRCUIT FOR CONTROLLING THE OPERATION OF SAID FEEDING MEANS AND SAID BAG CLAMP, SAID OPERATING CIRCUIT INCLUDING A STARTING RELAY FOR CLOSING SAID CIRCUIT AND A SWITCH OPERATED BY SAID BAG WEIGHT RESPONSIVE MEANS FOR OPENING SAID CIRCUIT, SAID STARTING RELAY INCLUDING A START SWITCH, SWITCH CLOSING MEANS OPERABLE BY THE PLACING OF A BAG ON SAID SPOUT FOR CLOSING SAID START SWITCH AND FOR CAUSING OPERATION OF SAID BAG CLAMP AND SAID FEEDING MEANS, AND MEANS FOR OPENING SAID START SWITCH IMMEDIATELY AFTER CLOSING SAME.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |