US3269085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrapper feed mechanism
Assignee: Package Machinery Co
•
Filing: 1963-09-23
•
Granted: 1966-08-30
•
Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Paul V Czajkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:57
CPC Classifications
B; B65; B65B; B65B57/00; B65B57/10; B65B57/12; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN COMBINATION WITH A WRAPPING MACHINE HAVING AN ARTICLE FEEDER, AND MEANS FOR DETECTING AN INTERRUPTION IN THE SUPPLY OF ARTICLES AT THE FEEDER, WRAPPER SUPPLY MECHANISM COMPRISING A CONTINUOUSLY OPERATING ROTARY KNIFE FOR SEVERING INDIVIDUAL WRAPPERS FROM THE LEADING END OF A WEB OF WRAPPING MATERIAL, A PAIR OF FEED ROLLS FOR ADVANCING THE WEB TO THE KNIFE, MEANS OPERATIVE IN RESPONSE TO ACTUATION OF SAID DETECTING MEANS FOR STOPPING SAID FEED ROLLS AND INPARTING A LIMITED REVERSE ROTATION THERETO TO RETRACT THE LEADING EDGE OF THE WEB FROM THE ROTARY KNIFE AND PREVENT IT FROM BEING DRAWN INTO THE KNIFE AND THEREBY TO PREVENT SMALL SILVERS FROM BEING SEVERED THEREFROM.
Claim 2
Dependent Claim
112 words
IN COMBINATION WITH A WRAPPING MACHINE HAVING AN ARTICLE FEEDER, AND MEANS FOR DETECTING AN INTERRUPTION IN THE SUPPLY OF ARTICLES AT THE FEEDER, WRAPPER SUPPLY MECHANISM COMPRISING A CONTINUOUSLY OPERATING ROTARY KNIFE FOR SEVERING INDIVIDUAL WRAPPERS FROM THE LEADING END OF A WEB OF WRAPPING MATERIAL, A PAIR OF FEED ROLLS FOR ADVANCING THE WEB TO THE KNIFE, MEANS OPERATIVE IN RESPONSE TO ACTUATION OF SAID DETECTING MEANS FOR STOPPING SAID FEED ROLLS AND INPARTING A LIMITED REVERSE ROTATION THERETO TO RETRACT THE LEADING EDGE OF THE WEB FROM THE ROTARY KNIFE AND PREVENT IT FROM BEING DRAWN INTO THE KNIFE AND THEREBY TO PREVENT SMALL SILVERS FROM BEING SEVERED THEREFROM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |