US3185604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a scouring article
Assignee: General Foods Corp
•
Filing: 1962-04-12
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Granted: 1965-05-25
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Expires: 1982-04-12
Abstract
No abstract record available.
Inventors
- 👤 John A Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:57
CPC Classifications
B; B23; B23P; B23P17/00; B23P17/04; B23P17/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A METHOD OF FORMING A SCOURING ARTICLE, COMPRISING PROVIDING A BACKING SHEET HAVING DISPOSED THEREON A COATING OF THERMOPLASTIC MATERIAL HEAT ACTIVATABLE TO AN ADHESIVE CONDITION, BRINGING A LAYER OF METAL WOOL FILAMENTS CORRUGATED TO PROVIDE ALTERNATE CRESTS AND TROUGHS THEREIN INTO CONTACT WITH SAID THERMOPLASTIC COATING ON SAID SHEET, DISPOSING SAID SHEET AND SAID LAYER BETWEEN TWO CLOSELY SPACED, MOVING, ENDLESS BELTS OF HEAT RESISTANT MATERIAL SO THAT ONE OF SAID BELTS IS IN CONTACT WITH SAID SHEET AND THE OTHER OF SAID BELTS IS IN CONTACT WITH SAID LAYER, WHILE SAID SHEET AND SAID LAYER ARE BEING HELD BETWEEN AND MOVED BY SAID BELTS SIMULTANEOUSLY APPLYING HEAT TO A CONTINUOUS AREA OF SAID COATING THROUGH ONE OF SAID BELTS TO ACTIVATE SAID COATING AND FORCING SAID SHEET AND SAID LAYER TOGETHER TO URGE SAID TROUGHS INTO A POSITION IN WHICH THEY HAVE PENETRATED THE ACTIVATED COATING AND THE CRESTS OF SAID LAYER ARE FILLED WITH SAID COATING, AND COOLING SAID COATING WHILE MAINTAINING THE POSITION OF SAID TROUGHS THEREWITHIN TO SET SAID COATING AND PRODUCE A UNITARY SCOURING ARTICLE.
Claim 2
Independent Claim
181 words
A METHOD OF FORMING A SCOURING ARTICLE, COMPRISING PROVIDING A BACKING SHEET HAVING DISPOSED THEREON A COATING OF THERMOPLASTIC MATERIAL HEAT ACTIVATABLE TO AN ADHESIVE CONDITION, BRINGING A LAYER OF METAL WOOL FILAMENTS CORRUGATED TO PROVIDE ALTERNATE CRESTS AND TROUGHS THEREIN INTO CONTACT WITH SAID THERMOPLASTIC COATING ON SAID SHEET, DISPOSING SAID SHEET AND SAID LAYER BETWEEN TWO CLOSELY SPACED, MOVING, ENDLESS BELTS OF HEAT RESISTANT MATERIAL SO THAT ONE OF SAID BELTS IS IN CONTACT WITH SAID SHEET AND THE OTHER OF SAID BELTS IS IN CONTACT WITH SAID LAYER, WHILE SAID SHEET AND SAID LAYER ARE BEING HELD BETWEEN AND MOVED BY SAID BELTS SIMULTANEOUSLY APPLYING HEAT TO A CONTINUOUS AREA OF SAID COATING THROUGH ONE OF SAID BELTS TO ACTIVATE SAID COATING AND FORCING SAID SHEET AND SAID LAYER TOGETHER TO URGE SAID TROUGHS INTO A POSITION IN WHICH THEY HAVE PENETRATED THE ACTIVATED COATING AND THE CRESTS OF SAID LAYER ARE FILLED WITH SAID COATING, AND COOLING SAID COATING WHILE MAINTAINING THE POSITION OF SAID TROUGHS THEREWITHIN TO SET SAID COATING AND PRODUCE A UNITARY SCOURING ARTICLE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |