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US3128816A Expired / Lapsed US ⏱️ 0.0 years remaining

van witteloostuyn

Assignee: —
•
Filing: —
•
Granted: 1964-04-14
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Expires: 1981-04-14
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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 2026-11-07 06:34
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

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