US3137898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of fiberreinforced plastic tanks
Assignee: Structural Fibers Inc
•
Filing: 1960-09-19
•
Granted: 1964-06-23
•
Expires: 1980-09-19
Abstract
No abstract record available.
Inventors
- 👤 Ernest E Geringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:53
CPC Classifications
B; B29; B29D; B29D22/00; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10S; Y10S425/00; Y10S425/019; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
THE COMBINATION WITH AN APPARATUS FOR FORMING HOLLOW MOLDED ARTICLES BY FLUID PRESSUE IN WHICH A BLANK OF FIBROUS MATTING MATERIAL IS POSITIONED IN A CLOSED MOLD AND AN INFLATABLE BAG IS EXPANDED WITHIN THE BLANK TO FORCE THE BLANK INTO FIRM CONTACT WITH THE INNER SURFACE OF THE MOLD, SAID MOLD AND SAID BLANK HAVING MEANS DEFINING OPENINGS THEREIN, THE IMPROVEMENT WHICH COMPRISES A BLANK POSITIONING MEANS COMPRISING A CORE, SAID CORE BEING MOUNTED WITHIN THE OPENING IN SAID BLANK, AN AXIALLY EXTENDING NECK PORTION ON ONE END OF SAID CORE ADAPTED TO BE INSERTED INTO THE OPENING IN THE MOLD, AND MEANS EXTENDING FROM THE OUTSIDE OF SAID MOLD THROUGH SAID NECK PORTION AND CORE, SAID MEANS ABUTTING THE END OF SAID CORE OPPOSITE FROM SAID NECK PORTION AND WITHIN TH MOLD AND BLANK WHEREBY SAID NECK PORTION CAN BE SEATED IN THE OPENING IN THE MOLD WHEN THE MOLD IS CLOSED BY PULLING SAID MEANS OUTWARDLY RELATIVE TO THE
Claim 2
Dependent Claim
162 words
THE COMBINATION WITH AN APPARATUS FOR FORMING HOLLOW MOLDED ARTICLES BY FLUID PRESSUE IN WHICH A BLANK OF FIBROUS MATTING MATERIAL IS POSITIONED IN A CLOSED MOLD AND AN INFLATABLE BAG IS EXPANDED WITHIN THE BLANK TO FORCE THE BLANK INTO FIRM CONTACT WITH THE INNER SURFACE OF THE MOLD, SAID MOLD AND SAID BLANK HAVING MEANS DEFINING OPENINGS THEREIN, THE IMPROVEMENT WHICH COMPRISES A BLANK POSITIONING MEANS COMPRISING A CORE, SAID CORE BEING MOUNTED WITHIN THE OPENING IN SAID BLANK, AN AXIALLY EXTENDING NECK PORTION ON ONE END OF SAID CORE ADAPTED TO BE INSERTED INTO THE OPENING IN THE MOLD, AND MEANS EXTENDING FROM THE OUTSIDE OF SAID MOLD THROUGH SAID NECK PORTION AND CORE, SAID MEANS ABUTTING THE END OF SAID CORE OPPOSITE FROM SAID NECK PORTION AND WITHIN TH MOLD AND BLANK WHEREBY SAID NECK PORTION CAN BE SEATED IN THE OPENING IN THE MOLD WHEN THE MOLD IS CLOSED BY PULLING SAID MEANS OUTWARDLY RELATIVE TO THE
References Cited (Backward Citations)
US1605782A
Cited
US1715920A
Cited
US2086276A
Cited
US2206410A
Cited
US2477180A
Cited
US2460820A
Cited
US2644198A
Cited
US2696184A
Cited
US2675598A
Cited
US2865079A
Cited
US2977268A
Cited
US2977269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |