Patent US3196723A successfully refreshed from Google Patents.
US3196723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for slitting and opening tubular material
Assignee: Samcoe Holding Corp
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Filing: 1961-04-18
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Granted: 1965-07-27
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Expires: 1981-04-18
Abstract
No abstract record available.
Inventors
- 👤 Cohn Samuel
- 👤 Cohn Joseph
- 👤 Cohn Eugene
- 👤 Catallo Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:19
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/04; D06H7/08; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/202; Y10T83/2092; Y10T83/2207; Y10T83/323
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
161 words
AN APPARATUS FOR SLITTING AND OPENING DISTORTABLE TUBULAR KNITTED MATERIAL, WHICH COMPRISES GUIDING MEANS, MEANS FOR ADVANCING THE MATERIAL OVER SAID GUIDING MEANS AND ALONG A PREDETERMINED AXIS, MEANS MOUNTED ADJACENT SAID GUIDING MEANS FOR SLITTING ONE LAYER OF SAID MATERIAL LONGITUDINALLY AS IT IS ADVANCED, AN OPENING FRAME POSITIONED TO RECEIVE SLIT MATERIAL FROM SAID GUIDING MEANS, SAID OPENING FRAME COMPRISING A FIRST PORTION GUIDING A CENTRAL LONGITUDINAL AREA OF THE SLIT MATERIAL THROUGH A PREDETERMINED PATH DISPOSED AT AN ANGLE TO SAID PREDETERMINED AXIS AND INTO A FLAT PLANE DISPOSED AT AN ANGLE TO SAID PREDETERMINED PATH AND A SECOND PORTION CONTROLLABLY GUIDING OUTER LONGITUDINAL AREAS OF SAID SLIT MATERIAL THROUGH PREDETERMINED DIVERGENT PATHS AND INTO SAID FLAT PLANE, SAID OPENING FRAME BEING SO RELATED TO SAID PREDETERMINED AXIS AND TO SAID FLAT PLANE THAT ALL LONGITUDINAL PORTIONS OF SID MATERIAL ARE CONTROLLABLY GUIDED THROUGH PATHS OF EQUAL LENGTH IN TRAVELLING TO A PREDETERMINED TRANSVERSE LINE IN SAID PLANE.
Claim 2
Independent Claim
161 words
AN APPARATUS FOR SLITTING AND OPENING DISTORTABLE TUBULAR KNITTED MATERIAL, WHICH COMPRISES GUIDING MEANS, MEANS FOR ADVANCING THE MATERIAL OVER SAID GUIDING MEANS AND ALONG A PREDETERMINED AXIS, MEANS MOUNTED ADJACENT SAID GUIDING MEANS FOR SLITTING ONE LAYER OF SAID MATERIAL LONGITUDINALLY AS IT IS ADVANCED, AN OPENING FRAME POSITIONED TO RECEIVE SLIT MATERIAL FROM SAID GUIDING MEANS, SAID OPENING FRAME COMPRISING A FIRST PORTION GUIDING A CENTRAL LONGITUDINAL AREA OF THE SLIT MATERIAL THROUGH A PREDETERMINED PATH DISPOSED AT AN ANGLE TO SAID PREDETERMINED AXIS AND INTO A FLAT PLANE DISPOSED AT AN ANGLE TO SAID PREDETERMINED PATH AND A SECOND PORTION CONTROLLABLY GUIDING OUTER LONGITUDINAL AREAS OF SAID SLIT MATERIAL THROUGH PREDETERMINED DIVERGENT PATHS AND INTO SAID FLAT PLANE, SAID OPENING FRAME BEING SO RELATED TO SAID PREDETERMINED AXIS AND TO SAID FLAT PLANE THAT ALL LONGITUDINAL PORTIONS OF SID MATERIAL ARE CONTROLLABLY GUIDED THROUGH PATHS OF EQUAL LENGTH IN TRAVELLING TO A PREDETERMINED TRANSVERSE LINE IN SAID PLANE.
Claim 3
Independent Claim
60 words
THE METHOD OF SLITTING AND OPENING TUBULAR MATERIAL WHICH COMPRISES ADVANCING THE MATERIAL LONGITUDINALLY, SLITTING ONE LAYER OF THE MATERIAL ALONG ONE SIDE AS IT ADVANCES PAST A PREDETERMINED POINT, IMMEDIATELY THEREAFTER DIRECTING THE SLIT EDGES OF THE MATERIAL IN DIVERGENT DIRECTIONS UNTIL THE MATERIAL IS IN FLAT OPEN WIDTH FORM IN A PREDETERMINED PLANE, AND CONTROLLABLY DIRECTING THE IN-
Claim 4
Independent Claim
60 words
THE METHOD OF SLITTING AND OPENING TUBULAR MATERIAL WHICH COMPRISES ADVANCING THE MATERIAL LONGITUDINALLY, SLITTING ONE LAYER OF THE MATERIAL ALONG ONE SIDE AS IT ADVANCES PAST A PREDETERMINED POINT, IMMEDIATELY THEREAFTER DIRECTING THE SLIT EDGES OF THE MATERIAL IN DIVERGENT DIRECTIONS UNTIL THE MATERIAL IS IN FLAT OPEN WIDTH FORM IN A PREDETERMINED PLANE, AND CONTROLLABLY DIRECTING THE IN-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |