Patent US3128816A successfully refreshed from Google Patents.
US3128816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
van witteloostuyn
Assignee: —
•
Filing: —
•
Granted: 1964-04-14
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Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:50
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN AN APPARATUS FOR FORMING LIPS IN STRIP-LIKE MATERIAL AND HAVING A FRAME, THE COMBINATION WITH A ROTARY PUNCH ROLLER AND A ROTARY COUNTER ROLLER, SAID ROLLERS BEING ROTATABLY MOUNTED IN THE FRAME ABOUT PARALLEL AXES AND WITH THEIR SURFACES CLOSELY ADJACENT BUT SEPARATED BY A SUFFICIENT AMOUNT TO RECEIVE BETWEEN THEM THE STRIP-LIKE MATERIAL TO BE PROVIDED WITH LIPS, SAID PUNCH ROLLER BEING PROVIDED WITH A PLURALITY OF PUNCHES, MEANS FOR RADIALLY DISPLACING SAID PUNCHES INTO THEIR OPERATIVE POSITION AND GUIDING MEANS FOR RADIALLY DISPLACING SAID PUNCHES OUT OF ENGAGEMENT WITH THE STRIP-LIKE MATERIAL, ALL SAID MEANS BEING CONSTRUCTED AND ARRANGED IN SUCH A WAY THAT ALWAYS AT LEAST TWO PUNCHES ARE AT THE SAME TIME IN ENGAGEMENT WITH THE STRIP-LIKE MATERIAL AND NO PUNCHES ARE IN ENGAGEMENT WITH THE STRIP-LIKE MATERIAL AT THE POINT WHERE SAID STRIP-LIKE MATERIAL LEAVES THE ROTARY PUNCH ROLLER, SAID ROLLERS BEING FREE TO TURN AS SAID STRIP-LIKE MATERIAL PASSES THEREBETWEEN.
Claim 2
Dependent Claim
157 words
IN AN APPARATUS FOR FORMING LIPS IN STRIP-LIKE MATERIAL AND HAVING A FRAME, THE COMBINATION WITH A ROTARY PUNCH ROLLER AND A ROTARY COUNTER ROLLER, SAID ROLLERS BEING ROTATABLY MOUNTED IN THE FRAME ABOUT PARALLEL AXES AND WITH THEIR SURFACES CLOSELY ADJACENT BUT SEPARATED BY A SUFFICIENT AMOUNT TO RECEIVE BETWEEN THEM THE STRIP-LIKE MATERIAL TO BE PROVIDED WITH LIPS, SAID PUNCH ROLLER BEING PROVIDED WITH A PLURALITY OF PUNCHES, MEANS FOR RADIALLY DISPLACING SAID PUNCHES INTO THEIR OPERATIVE POSITION AND GUIDING MEANS FOR RADIALLY DISPLACING SAID PUNCHES OUT OF ENGAGEMENT WITH THE STRIP-LIKE MATERIAL, ALL SAID MEANS BEING CONSTRUCTED AND ARRANGED IN SUCH A WAY THAT ALWAYS AT LEAST TWO PUNCHES ARE AT THE SAME TIME IN ENGAGEMENT WITH THE STRIP-LIKE MATERIAL AND NO PUNCHES ARE IN ENGAGEMENT WITH THE STRIP-LIKE MATERIAL AT THE POINT WHERE SAID STRIP-LIKE MATERIAL LEAVES THE ROTARY PUNCH ROLLER, SAID ROLLERS BEING FREE TO TURN AS SAID STRIP-LIKE MATERIAL PASSES THEREBETWEEN.
References Cited (Backward Citations)
US2188407A
Cited
US2583682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |