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US3140739A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for forming continuously moving strip material

Assignee: Individual
•
Filing: 1961-07-05
•
Granted: 1964-07-14
•
Expires: 1981-07-05
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Abstract

No abstract record available.

Inventors

  • 👤 Floyd J Moltchan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 02:10
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 160 words
IN THE METHOD FOR FORMING CONTINUOUSLY MOVING LONGITUDINALLY CORRUGATED STRIP MATERIAL ALONG A PLANE EXTENDING TRANSVERSE TO THE DIRECTION OF MOVEMENT OF THE STRIP, WITH THE STRIP MATERIAL MOVING ALONG A STRAIGHT LINE PATH EXTENDING PARALLEL TO ITS LONGITUDINAL AXIS, THE STEPS OF PASSING THE STRIP MATERIAL BETWEEN A PUNCH AND DIE WITH THE PUNCH BEING LOCATED BELOW THE STRAIGHT LINE PATH OF TRAVEL OF THE STRIP, ACCELERATING SAID PUNCH AND DIE TO MOVE IN THE DIRECTION OF STRIP MOVEMENT UNTIL THEY MOVE IN SYNCHRONISM WITH THE STRIP, THEREAFTER FORCING THE PUNCH INTO THE DIE WHILE DEFORMING THE CORRUGATED MATERIAL IN A SIDEWAYS DIRECTION WITH RESPECT TO ITS DIRECTION OF TRAVEL AND WHILE DEFLECTING THE STRIP DOWNWARDLY FROM ITS NORMAL PATH OF TRAVEL, AND FINALLY SEPARATING THE PUNCH AND DIE WHILE FORCING THE STRIP BACK INTO ITS NORMAL PATH OF TRAVEL SUCH THAT IT WILL PASS OVER THE DIE WITH ITS CROSS SECTION FORMED INTO THE SHAPE OF THE DIE.
Claim 2
Dependent Claim 160 words
IN THE METHOD FOR FORMING CONTINUOUSLY MOVING LONGITUDINALLY CORRUGATED STRIP MATERIAL ALONG A PLANE EXTENDING TRANSVERSE TO THE DIRECTION OF MOVEMENT OF THE STRIP, WITH THE STRIP MATERIAL MOVING ALONG A STRAIGHT LINE PATH EXTENDING PARALLEL TO ITS LONGITUDINAL AXIS, THE STEPS OF PASSING THE STRIP MATERIAL BETWEEN A PUNCH AND DIE WITH THE PUNCH BEING LOCATED BELOW THE STRAIGHT LINE PATH OF TRAVEL OF THE STRIP, ACCELERATING SAID PUNCH AND DIE TO MOVE IN THE DIRECTION OF STRIP MOVEMENT UNTIL THEY MOVE IN SYNCHRONISM WITH THE STRIP, THEREAFTER FORCING THE PUNCH INTO THE DIE WHILE DEFORMING THE CORRUGATED MATERIAL IN A SIDEWAYS DIRECTION WITH RESPECT TO ITS DIRECTION OF TRAVEL AND WHILE DEFLECTING THE STRIP DOWNWARDLY FROM ITS NORMAL PATH OF TRAVEL, AND FINALLY SEPARATING THE PUNCH AND DIE WHILE FORCING THE STRIP BACK INTO ITS NORMAL PATH OF TRAVEL SUCH THAT IT WILL PASS OVER THE DIE WITH ITS CROSS SECTION FORMED INTO THE SHAPE OF THE DIE.

References Cited (Backward Citations)

US2153524A Cited
US2708958A Cited
US2828792A Cited
US2909138A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-14 1968-01-13 1968-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-14 1972-01-13 1972-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-14 1976-01-13 1976-07-14 $7700.00 Window Closed / Lapsed

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