Patent DE368720C successfully refreshed from Google Patents.
US3229595A
Expired / Lapsed
US
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Method of and apparatus for forming paper cup bottom structures
Assignee: Continental Can Co Inc
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Filing: 1964-04-27
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Granted: 1966-01-18
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Edmund A Waycie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:30
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/005; B31B2105/00; B31B2105/002; B31B2105/0022; B31B50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
THE HEREIN DESCRIBED METHOD OF FORMING A PAPER CUP, SAID METHOD COMPRISING, HOLDING A PAPER BOTTOM DISK ON A MANDREL CONFORMING IN SHAPE AT ITS EXTERIOR TO THE PROPOSED INTERIOR OF THE CUP, SHAPING A PAPER CUP BODY ABOUT THE MANDREL WITH AN END MARGIN THEREOF PROJECTING ENDWISE BEYOND THE DISK, RAPIDLY ROTATING THE MANDREL AND THE DISK AND BODY THEREON, SQUIRTING A STREAM OF ADHESIVE AT AN OUTWARDLY DIRECTED ANGLE AGAINST THE DISK AT A POINT SPACED INWARDLY FROM THE PERIPHERAL EDGE OF THE ROTATING DISK WHEREBY BY ACTION OF CENTRIFUGAL FORCE COLLECTING ON THE DISK AND THE BODY END MARGIN PROJECTING ENDWISE THEREBEYOND A RING OF ADHESIVE HAVING A GENERALLY RIGHT ANGULAR RADIAL CROSS SECTION, AND RESHAPING SAID PROJECTING BODY END MARGIN INWARDLY AGAINST THE DISK THE APPLIED RING OF ADHESIVE.
Claim 2
Dependent Claim
133 words
THE HEREIN DESCRIBED METHOD OF FORMING A PAPER CUP, SAID METHOD COMPRISING, HOLDING A PAPER BOTTOM DISK ON A MANDREL CONFORMING IN SHAPE AT ITS EXTERIOR TO THE PROPOSED INTERIOR OF THE CUP, SHAPING A PAPER CUP BODY ABOUT THE MANDREL WITH AN END MARGIN THEREOF PROJECTING ENDWISE BEYOND THE DISK, RAPIDLY ROTATING THE MANDREL AND THE DISK AND BODY THEREON, SQUIRTING A STREAM OF ADHESIVE AT AN OUTWARDLY DIRECTED ANGLE AGAINST THE DISK AT A POINT SPACED INWARDLY FROM THE PERIPHERAL EDGE OF THE ROTATING DISK WHEREBY BY ACTION OF CENTRIFUGAL FORCE COLLECTING ON THE DISK AND THE BODY END MARGIN PROJECTING ENDWISE THEREBEYOND A RING OF ADHESIVE HAVING A GENERALLY RIGHT ANGULAR RADIAL CROSS SECTION, AND RESHAPING SAID PROJECTING BODY END MARGIN INWARDLY AGAINST THE DISK THE APPLIED RING OF ADHESIVE.
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |