US3194706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnating, laminating, and cast coating in one operation
Assignee: General Foods Corp
•
Filing: 1959-05-12
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Granted: 1965-07-13
•
Expires: 1979-05-12
Abstract
No abstract record available.
Inventors
- 👤 Walter C Utschig
- 👤 Yezek Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:34
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/70; D21H23/72; D21H5/00; D21H5/0005; D21H5/005; D21H5/0055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A METHOD FOR PRODUCING LAMINATED PACKAGING MATERIAL HAVING ON ONE SIDE THEREOF A SMOOTH, GLOSSY COATING OF THERMOPLASTIC AGENT, COMPRISING APPLY A COATING OF MOLTEN THERMOPLASTIC AGENT TO OPPOSED SURFACES OF AN ELONGATEDFIRST PLY, BRINGING SAID FIRST PLY INTO CONTACT WITH A SECOND ELONGATED PLY SO THAT THE COATING ON ONE SURFACE OF SAID FIRST PLY IS CONTIGUOUS WITH A SURFACE OF SAID SECOND PLY, FORCING SAID PLIES INTO THE NIP FORMED BY A MIRROR-FINISHED CASTING SURFACE AND A PRESSURE ROLL TO FORM A LAMINATED STRUCTURE IN WHICH SAID MOLTEN THERMOPLASTIC AGENT IS DISPOSED BETWEEN SAID FIRST AND SECOND PLIES AND THE COATING ON THE EXPOSED SURFACE OF SAID FIRST PLY IS ADHERED TO SAID CASTING SURFACE, SAID LAMINATED STRUCTURE THEREBY BEING HELD IMMOVABLE RELATIVE TO SAID CASTING SURFACE, CHILLING SAID LAMINATED STRUCTURE WHILE IT IS HELD ON SAID CASTING SURFACE TO SIMULTANEOUSLY HARDEN THE LAMINATING LAYER BETWEEN SAID FIRST AND SECOND PLIES AND THE COATING ADHERED TO SAID CASTING SURFACE, AND PEELING THE LAMINATED STRUCTURE FROM SAID CASTING SURFACE.
Claim 2
Independent Claim
170 words
A METHOD FOR PRODUCING LAMINATED PACKAGING MATERIAL HAVING ON ONE SIDE THEREOF A SMOOTH, GLOSSY COATING OF THERMOPLASTIC AGENT, COMPRISING APPLY A COATING OF MOLTEN THERMOPLASTIC AGENT TO OPPOSED SURFACES OF AN ELONGATEDFIRST PLY, BRINGING SAID FIRST PLY INTO CONTACT WITH A SECOND ELONGATED PLY SO THAT THE COATING ON ONE SURFACE OF SAID FIRST PLY IS CONTIGUOUS WITH A SURFACE OF SAID SECOND PLY, FORCING SAID PLIES INTO THE NIP FORMED BY A MIRROR-FINISHED CASTING SURFACE AND A PRESSURE ROLL TO FORM A LAMINATED STRUCTURE IN WHICH SAID MOLTEN THERMOPLASTIC AGENT IS DISPOSED BETWEEN SAID FIRST AND SECOND PLIES AND THE COATING ON THE EXPOSED SURFACE OF SAID FIRST PLY IS ADHERED TO SAID CASTING SURFACE, SAID LAMINATED STRUCTURE THEREBY BEING HELD IMMOVABLE RELATIVE TO SAID CASTING SURFACE, CHILLING SAID LAMINATED STRUCTURE WHILE IT IS HELD ON SAID CASTING SURFACE TO SIMULTANEOUSLY HARDEN THE LAMINATING LAYER BETWEEN SAID FIRST AND SECOND PLIES AND THE COATING ADHERED TO SAID CASTING SURFACE, AND PEELING THE LAMINATED STRUCTURE FROM SAID CASTING SURFACE.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |