US2764516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming laminated structures
Assignee: Goodyear Tire and Rubber Co
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Filing: 1955-02-23
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Granted: 1956-09-25
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Expires: 1975-02-23
Abstract
No abstract record available.
Inventors
- 👤 Henry A Pace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:30
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1233; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S264/00; Y10S264/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A PROCESS FOR THE MANUFACTURE OF LAMINATED INTERFOAMED STRUCTURES HAVING A FOAMED INTERIOR BONDED TO CONFINING LAMINAE COMPRISING PLACING A STRUCTURE WALL UPON A RIGID MOLD PLATEN MEMBER, PLACING CONFINING SHIMS ABOUT THE PERIPHERY OF SAID PLATEN MEMBER AND OVERLYING THE PERIPHERAL SURFACE OF SAID STRUCTURE WALL, PLACING A LAYER OF A FOAMABLE COMPOSITION COMPRISING AN ALKYD RESIN AND AN ORGANIC POLYISOCYANATE EVENLY ON SAID STRUCTURE WALL, PLACING A FLOATING STRUCTURE WALL UPON THE SURFACE OF SAID FOAMABLE COMPOSITION ADJACENT TO BUT SLIGHTLY REMOVED FROM SAID CONFINING SHIMS, PLACING ANOTHER RIGID MOLD PLATEN MEMBER ON THE CONFINING SHIMS SO THAT AN EXPANSION SPACE REMAINS BETWEEN THE FLOATING STRUCTURE WALL AND THE UPPER PLATEN MEMBER, RETAINING THE PLATEN MEMBERS IN RIGID SPACED-APART RELATION BY CLAMPING MEANS, INVERTING THE MOLD ASSEMBLY AFTER FOAMING HAS STARTED BUT BEFORE FOAMING HAS BEEN COMPLETED AND COMPLETING THE FOAMING OF SAID FOAMABLE COMPSITION WHILE SAID MOLD ASSEMBLY IS IN THE INVERTED POSITION BY HEATING SAID ASSEMBLY UNTIL THE FOAMED COMPOSITION IS COMPLETELY SET AND THE STRUCTURE WALLS ARE JOINED THERETO.
Claim 2
Dependent Claim
174 words
A PROCESS FOR THE MANUFACTURE OF LAMINATED INTERFOAMED STRUCTURES HAVING A FOAMED INTERIOR BONDED TO CONFINING LAMINAE COMPRISING PLACING A STRUCTURE WALL UPON A RIGID MOLD PLATEN MEMBER, PLACING CONFINING SHIMS ABOUT THE PERIPHERY OF SAID PLATEN MEMBER AND OVERLYING THE PERIPHERAL SURFACE OF SAID STRUCTURE WALL, PLACING A LAYER OF A FOAMABLE COMPOSITION COMPRISING AN ALKYD RESIN AND AN ORGANIC POLYISOCYANATE EVENLY ON SAID STRUCTURE WALL, PLACING A FLOATING STRUCTURE WALL UPON THE SURFACE OF SAID FOAMABLE COMPOSITION ADJACENT TO BUT SLIGHTLY REMOVED FROM SAID CONFINING SHIMS, PLACING ANOTHER RIGID MOLD PLATEN MEMBER ON THE CONFINING SHIMS SO THAT AN EXPANSION SPACE REMAINS BETWEEN THE FLOATING STRUCTURE WALL AND THE UPPER PLATEN MEMBER, RETAINING THE PLATEN MEMBERS IN RIGID SPACED-APART RELATION BY CLAMPING MEANS, INVERTING THE MOLD ASSEMBLY AFTER FOAMING HAS STARTED BUT BEFORE FOAMING HAS BEEN COMPLETED AND COMPLETING THE FOAMING OF SAID FOAMABLE COMPSITION WHILE SAID MOLD ASSEMBLY IS IN THE INVERTED POSITION BY HEATING SAID ASSEMBLY UNTIL THE FOAMED COMPOSITION IS COMPLETELY SET AND THE STRUCTURE WALLS ARE JOINED THERETO.
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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |