Patent US3216349A successfully refreshed from Google Patents.
US3216349A
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Apparatus for treating sheet material
Assignee: MASCHINENFABRIK JOHANNES ZIMMER
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Filing: 1963-02-21
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Granted: 1965-11-09
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Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Kraft Rupert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:13
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/14; B41F15/40; B41F15/42; B41F15/426; F; F16; F16C; F16C32/00; F16C32/04; F16C32/0406; F16C32/0408; F16C32/0423; F16C32/0425; Y; Y10; Y10S; Y10S100/00; Y10S100/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
APPARATUS FOR TREATING SHEET MATERIAL, COMPRISING A ROLLER ADAPTED TO HAVE ROLLING CONTACT WITH THE SHEET MATERIAL, MEANS FOR MOUNTING THE ROLLER FOR FREE VERTICAL MOVEMENT, MEANS URGING THE ROLLER DOWNWARDLY TO HAVE PRESSURE CONTACT WITH THE MATERIAL, SAID LAST-NAMED MEANS COMPRISING REPELLING MAGNETS, SAID ROLLER COMPRISING AN ELONGATED CORE AND A PLURALITY OF MAGNETIC MEMBERS SURROUNDING SAID CORE, SAID MAGNETIC MEMBERS BEING AXIALLY SPACED APART BY NON-MAGNETIC MEMBERS, SAID MAGNETIC MEMBERS PROVIDING SPACED POLES ON THE ROLLER, SAID SPACED POLES ON SAID ROLLER BEING OPPOSED BY CLOSELY POSITIONED POLES OF LIKE POLARITY IN REPELLING MAGNETS THEREABOVE SAID ROLLER BEING HELD IN SPACED RELATION AND OUT OF SUBSTANTIAL FRICTION CONTACT WITH SAID MAGNETS BY MAGNETIC REPULSION, AND MEANS FOR RESTRICTING THE HORIZONTAL LATERAL AND LONGITUDINAL MOVEMENT OF SAID ROLLER WITH RESPECT TO THE MAGNETS SO AS TO KEEP THE RESPECTIVE LIKE OPPOSED POLES IN SUBSTANTIAL VERTICAL ALIGNMENT.
Claim 2
Dependent Claim
147 words
APPARATUS FOR TREATING SHEET MATERIAL, COMPRISING A ROLLER ADAPTED TO HAVE ROLLING CONTACT WITH THE SHEET MATERIAL, MEANS FOR MOUNTING THE ROLLER FOR FREE VERTICAL MOVEMENT, MEANS URGING THE ROLLER DOWNWARDLY TO HAVE PRESSURE CONTACT WITH THE MATERIAL, SAID LAST-NAMED MEANS COMPRISING REPELLING MAGNETS, SAID ROLLER COMPRISING AN ELONGATED CORE AND A PLURALITY OF MAGNETIC MEMBERS SURROUNDING SAID CORE, SAID MAGNETIC MEMBERS BEING AXIALLY SPACED APART BY NON-MAGNETIC MEMBERS, SAID MAGNETIC MEMBERS PROVIDING SPACED POLES ON THE ROLLER, SAID SPACED POLES ON SAID ROLLER BEING OPPOSED BY CLOSELY POSITIONED POLES OF LIKE POLARITY IN REPELLING MAGNETS THEREABOVE SAID ROLLER BEING HELD IN SPACED RELATION AND OUT OF SUBSTANTIAL FRICTION CONTACT WITH SAID MAGNETS BY MAGNETIC REPULSION, AND MEANS FOR RESTRICTING THE HORIZONTAL LATERAL AND LONGITUDINAL MOVEMENT OF SAID ROLLER WITH RESPECT TO THE MAGNETS SO AS TO KEEP THE RESPECTIVE LIKE OPPOSED POLES IN SUBSTANTIAL VERTICAL ALIGNMENT.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |