US3392076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for extrusion coating of plastic film on a running carrier web
Assignee: Individual
•
Filing: 1964-06-29
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Granted: 1968-07-09
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ernst W Van Gilse Van Der Pals
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:29
CPC Classifications
B; B32; B32B; B32B27/00; B05; B05D; B05D1/00; B05D1/26; B05D1/265; B05D3/00; B05D3/04; B05D3/0406; B05D3/0426; B05D7/00; B05D7/02; B05D7/04; B29; B29C; B29C48/00; B29C48/15; B29C48/154; B29C48/155; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR EXTRUSION COATING OF PLASTIC FILM ON A RUNNING CARRIER WEB OF THE KIND WHERE THE MOLTEN PLASTIC FILM FROM THE NOZZLE MEETS THE CARRIER WEB IMMEDIATELY BEFORE BEING LED TOGETHER THEREWITH THROUGH A ROLLER NIP IN ORDER TO BE CAUSED TO ADHERE TO THE CARRIER WEB IN THE SAID NIP BY PRESSURE, CHARACTERIZED IN THAT THE MOLTEN PLASTIC FILM IS COOLED ZONEWISE ALONG THAT SIDE WHICH IS TO FACE THE CARRIER WEB, USING GASEOUS COOLANT, IN ORDER THAT THE LAMINATE MAY OBTAIN LOWER ADHESION BETWEEN THE PLASTIC FILM AND THE CARRIER WEB IN AT LEAST ONE ZONE THAN IN THE VICINITY OF THE SAID ZONE, THE GASEOUS COOLANT BEING
Claim 2
Dependent Claim
112 words
A PROCESS FOR EXTRUSION COATING OF PLASTIC FILM ON A RUNNING CARRIER WEB OF THE KIND WHERE THE MOLTEN PLASTIC FILM FROM THE NOZZLE MEETS THE CARRIER WEB IMMEDIATELY BEFORE BEING LED TOGETHER THEREWITH THROUGH A ROLLER NIP IN ORDER TO BE CAUSED TO ADHERE TO THE CARRIER WEB IN THE SAID NIP BY PRESSURE, CHARACTERIZED IN THAT THE MOLTEN PLASTIC FILM IS COOLED ZONEWISE ALONG THAT SIDE WHICH IS TO FACE THE CARRIER WEB, USING GASEOUS COOLANT, IN ORDER THAT THE LAMINATE MAY OBTAIN LOWER ADHESION BETWEEN THE PLASTIC FILM AND THE CARRIER WEB IN AT LEAST ONE ZONE THAN IN THE VICINITY OF THE SAID ZONE, THE GASEOUS COOLANT BEING
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |