US3235954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a composite structure or laminate
Assignee: Individual
•
Filing: 1964-07-23
•
Granted: 1966-02-22
•
Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 Howard A Fromson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:39
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04; B21; B21C; B21C37/00; B21C37/06; B21C37/14; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49629; Y10T29/4998; Y10T29/49988; Y10T29/49991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A METHOD OF FORMING A LAMINATE WHICH COMPRISES PROVIDING AN EXPANDED IMPERVIOUS DUCTILE TUBE OF FORM SUSTAINING RIGIDITY FILLED ALONG ONLY A PART OF ITS LENGTH WITH A DEFORMABLE MASS OF CORE MATERIAL, DIFFERENT FROM THAT OF THE TUBE, AND PASSING THE FILLED SECTION OF THE EXPANDED TUBE THROUGH A DIE MEANS TO SHAPE AND COLLAPSE THE FILLED TUBE TO AN EXTENT SUFFICIENT TO FORM A LAMINATE COMPRISING A CORE AND A CASING THEREFOR, WHILE REDUCING THE CROSS-SECTIONAL AREA OF THE FILLED TUBE, THEREBY CAUSING SAID CORE MATERIAL TO BE SQUEEZED BY SAID DIE MEANS AND CONSEQUENTLY TO BE SPREAD REARWARDLY OF SAID FIELD OF ACTION ALONG THE EXPANDED UNFILLED TUBE.
Claim 2
Independent Claim
111 words
A METHOD OF FORMING A LAMINATE WHICH COMPRISES PROVIDING AN EXPANDED IMPERVIOUS DUCTILE TUBE OF FORM SUSTAINING RIGIDITY FILLED ALONG ONLY A PART OF ITS LENGTH WITH A DEFORMABLE MASS OF CORE MATERIAL, DIFFERENT FROM THAT OF THE TUBE, AND PASSING THE FILLED SECTION OF THE EXPANDED TUBE THROUGH A DIE MEANS TO SHAPE AND COLLAPSE THE FILLED TUBE TO AN EXTENT SUFFICIENT TO FORM A LAMINATE COMPRISING A CORE AND A CASING THEREFOR, WHILE REDUCING THE CROSS-SECTIONAL AREA OF THE FILLED TUBE, THEREBY CAUSING SAID CORE MATERIAL TO BE SQUEEZED BY SAID DIE MEANS AND CONSEQUENTLY TO BE SPREAD REARWARDLY OF SAID FIELD OF ACTION ALONG THE EXPANDED UNFILLED TUBE.
References Cited (Backward Citations)
US2414226A
Cited
US2888740A
Cited
US3040417A
Cited
US3141227A
Cited
US3084397A
Cited
US3158474A
Cited
US3142560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |