US3283633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing transverse offset perforations on web fabric
Assignee: Windmoeller and Hoelscher KG
•
Filing: 1964-09-14
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Granted: 1966-11-08
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Finke Arno
- 👤 Vietmeier Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:24
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; B26F1/20; B31; B31B; B31B70/00; B31B70/14; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4705; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4833; Y10T83/4838; Y10T83/929; Y10T83/9314; Y10T83/9372; Y10T83/9408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN APPARATUS FOR PRODUCING TRANSVERSE OFFSET PERFORATIONS ON A WEB MATERIAL IN PARTICULAR FOR BAG-MAKING MACHINES COMPRISING A PLURALITY OF PERFORATING KNIVES FOR THOSE PORTIONS OF THE PERFORATED LINES OFFSET IN RELATION TO EACH OTHER IN THE LONGITUDINAL DIRECTION OF THE WEB, MOUNTED ON KNIFE HOLDERS MOUNTED ON AT LEAST TWO SEPARATE PARALLEL ROTATING KNIFE SHAFTS, SAFE KNIFE SHAFTS BEING FIXEDLY MOUNTED SPACED FROM EACH OTHER IN THE DIRECTION OF THE WEB FEED, EACH SAID KNIFE SHAFT AND THE MATERIAL WEB BEING ANGULARLY ADJUSTABLE IN RELATION TO EACH OTHER IN A PLANE PERPENDICULAR TO THE TRANSMPORT DIRECTION OF THE MOVING WEB WHICH INCLUDES THE AXIS OF ROTATION OF SAID KNIFE ADJUSTED TO COMPENSATE FOR ANY OBLIQUE POSITIONING WITH BE ADJUSTED TO COMPENSATE FOR ANY OBLIQUE POSITIONING WITH RESPECT TO THEMSELVES AND EACH OTHER.
Claim 2
Independent Claim
133 words
AN APPARATUS FOR PRODUCING TRANSVERSE OFFSET PERFORATIONS ON A WEB MATERIAL IN PARTICULAR FOR BAG-MAKING MACHINES COMPRISING A PLURALITY OF PERFORATING KNIVES FOR THOSE PORTIONS OF THE PERFORATED LINES OFFSET IN RELATION TO EACH OTHER IN THE LONGITUDINAL DIRECTION OF THE WEB, MOUNTED ON KNIFE HOLDERS MOUNTED ON AT LEAST TWO SEPARATE PARALLEL ROTATING KNIFE SHAFTS, SAFE KNIFE SHAFTS BEING FIXEDLY MOUNTED SPACED FROM EACH OTHER IN THE DIRECTION OF THE WEB FEED, EACH SAID KNIFE SHAFT AND THE MATERIAL WEB BEING ANGULARLY ADJUSTABLE IN RELATION TO EACH OTHER IN A PLANE PERPENDICULAR TO THE TRANSMPORT DIRECTION OF THE MOVING WEB WHICH INCLUDES THE AXIS OF ROTATION OF SAID KNIFE ADJUSTED TO COMPENSATE FOR ANY OBLIQUE POSITIONING WITH BE ADJUSTED TO COMPENSATE FOR ANY OBLIQUE POSITIONING WITH RESPECT TO THEMSELVES AND EACH OTHER.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |