US3074327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making fold lines in fibrous sheet material
Assignee: Swedish Match AB
•
Filing: 1960-11-15
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Granted: 1963-01-22
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Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Grahn Karl Martin Runar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:50
CPC Classifications
B; B27; B27G; B27G5/00; B23; B23C; B23C3/00; B23C3/28; B23C3/30; B23C3/305; B23C2210/00; B23C2210/32; B23C2210/326; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN MANUFACTURE OF MULTILATERAL OBJECTS OF FIBROUS SHEET MATERIAL, THE METHOD OF MAKING FOLD LINES IN THE FORM OF SUBSTANTIALLY V-SHAPED GROOVES BY REMOVAL OF MATERIAL, COMPRISING THE STEPS OF ADVANCING SAID SHEET MATERIAL UPON A COUNTER SUPPORT WITH RESPECT TO A ROTATABLE FILE WITH RIFLED ENVELOPE SURFACE AND A SMOOTH, SUBSTANTIALLY PLANE END SURFACE; HOLDING SAID FILE WITH THE EDGE BETWEEN ITS ENVELOPE SURFACE AND ITS END SURFACE IN ENGAGEMENT WITH SAID SHEET MATERIAL AND WITH ITS AXIS OF ROTATION INCLINED AN ACUTE ANGLE WITH RESPECT TO THE PLANE OF THE SHEET MATERIAL IN THE POINT OF ENGAGEMENT; AND ROTATING SAID FILE AT HIGH SPEED ON ITS AXIS OF ROTATION FOR CREATING SAID GROOVE.
Claim 2
Dependent Claim
115 words
IN MANUFACTURE OF MULTILATERAL OBJECTS OF FIBROUS SHEET MATERIAL, THE METHOD OF MAKING FOLD LINES IN THE FORM OF SUBSTANTIALLY V-SHAPED GROOVES BY REMOVAL OF MATERIAL, COMPRISING THE STEPS OF ADVANCING SAID SHEET MATERIAL UPON A COUNTER SUPPORT WITH RESPECT TO A ROTATABLE FILE WITH RIFLED ENVELOPE SURFACE AND A SMOOTH, SUBSTANTIALLY PLANE END SURFACE; HOLDING SAID FILE WITH THE EDGE BETWEEN ITS ENVELOPE SURFACE AND ITS END SURFACE IN ENGAGEMENT WITH SAID SHEET MATERIAL AND WITH ITS AXIS OF ROTATION INCLINED AN ACUTE ANGLE WITH RESPECT TO THE PLANE OF THE SHEET MATERIAL IN THE POINT OF ENGAGEMENT; AND ROTATING SAID FILE AT HIGH SPEED ON ITS AXIS OF ROTATION FOR CREATING SAID GROOVE.
References Cited (Backward Citations)
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US1289271A
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US1940106A
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |