US3560312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orbital pressure applying apparatus for traveling webs
Assignee: Pratt Manufacturing Corp
•
Filing: 1968-08-07
•
Granted: 1971-02-02
•
Expires: 1988-08-07
Abstract
Abstract PACKAGING APPARATUS WITH MEANS FOR CONTINUOUSLY MOVING TWO SUPERIMPOSED CONTINUOUS WEBS OF PACKAGING MATERIAL, AND INCLUDING A HEAT SEALING BAR DISPOSED TRANSVERSELY OF THE TRAVELING WEB. THERE IS MECHANISM FOR ENGAGE THE TRAVELING WEB AT LONGITUDINALLY SPACED POINTS, AND MEANS AUTOMATICALLY COMPENSATING FOR THE CHANGE IN SPEED OF THE SEALING BAR RELATIVE TO THE WEB DUE TO THE HARMONIC PROJECTION OF THE SPEED OF THE ORBITING BAR ON A STRAIGHT LINE, WHEREBY SAID SEALING BAR, WHICH ENGAGES THE WEB FOR ABOUT 30 DEGREES ON EACH SIDE OF CENTER, IS CAUSED TO TRAVEL AT THE SAME LINEAR SPEED AS THE WEB DURING THE ENTIRE PERIOD OF ENGAGEMENT.
Inventors
- 👤 Richard W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:35
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/26; B65B51/30; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/24; B29C66/244; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81419; B29C66/81431; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/8226; B29C66/8227; B29C66/824; B29C66/8242; B29C66/83; B29C66/834; B29C66/8341; B29C66/83421; B29C66/8351; B29C66/83541; B29C66/84; B29C66/849; B29C66/90; B29C66/98; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4783
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |