US3042967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making foamed polymeric structures
Assignee: Beazer East Inc
•
Filing: 1958-06-18
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Granted: 1962-07-10
•
Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Edberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:23
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/3415; B29C44/3426; B29C44/343; B29C44/36; B29C44/38; B29C44/44; B29C44/445; Y; Y10; Y10S; Y10S264/00; Y10S264/10; Y10S264/11; Y10S425/00; Y10S425/20; Y10S425/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
AUTOMATIC APPARATUS FOR FORMING FOAMED POLYMERIC STRUCTURES FROM EXPANDABLE POLYMERIC MATERIAL, COMPRISING A MOLD HAVING MOVABLE TOP AND BOTTOM PORTIONS AND FIRST AND SECOND OPPOSITE SIDES, SAID FIRST SIDE HAVING AT LEAST ONE FIRST HOLE THERETHROUGH, SAID SECOND SIDE HAVING SECOND HOLES THERETHROUGH, AN AIR ACTUATED MEANS FOR FORCING SAID EXPANDABLE POLYMERIC MATERIAL THROUGH SAID FIRST HOLE SO AS SUBSTANTIALLY TO FILL SAID MOLD WITH SAID EXPANDABLE POLYMERIC MATERIAL, A PLURALITY OF HOLLOW STEAM PROBES EACH HAVING AN INLET AND A PLURALITY OF SMALL SPACED OUTLET HOLES, SAID STEAM PROBES BEING INSERTABLE IN SAID MOLD THROUGH SAID SECOND HOLES SO AS SUBSTANTIALLY TO CLOSE SAID MOLD THEREBY TO KEEP SAID EXPANDABLE POLYMERIC MATERIAL FROM COMING OUT OF SAID MOLD THROUGH SAID SECOND HOLES FIRST MEANS OPERABLE AFTER INSERTION OF SAID PROBES INTO SAID MOLD FOR CAUSING STEAM TO BE INJECTED INTO SAID MOLD THROUGH SAID PROBES, AND SECOND MEANS OPERABLE TO RETRACT SAID PROBES FROM SAID MOLD AFTER STEAM IS INJECTED INTO SAID MOLD WHEREBY SAID MATERIAL IS EXPANDED INTO THE SHAPE OF SAID MOLD.
Claim 2
Dependent Claim
175 words
AUTOMATIC APPARATUS FOR FORMING FOAMED POLYMERIC STRUCTURES FROM EXPANDABLE POLYMERIC MATERIAL, COMPRISING A MOLD HAVING MOVABLE TOP AND BOTTOM PORTIONS AND FIRST AND SECOND OPPOSITE SIDES, SAID FIRST SIDE HAVING AT LEAST ONE FIRST HOLE THERETHROUGH, SAID SECOND SIDE HAVING SECOND HOLES THERETHROUGH, AN AIR ACTUATED MEANS FOR FORCING SAID EXPANDABLE POLYMERIC MATERIAL THROUGH SAID FIRST HOLE SO AS SUBSTANTIALLY TO FILL SAID MOLD WITH SAID EXPANDABLE POLYMERIC MATERIAL, A PLURALITY OF HOLLOW STEAM PROBES EACH HAVING AN INLET AND A PLURALITY OF SMALL SPACED OUTLET HOLES, SAID STEAM PROBES BEING INSERTABLE IN SAID MOLD THROUGH SAID SECOND HOLES SO AS SUBSTANTIALLY TO CLOSE SAID MOLD THEREBY TO KEEP SAID EXPANDABLE POLYMERIC MATERIAL FROM COMING OUT OF SAID MOLD THROUGH SAID SECOND HOLES FIRST MEANS OPERABLE AFTER INSERTION OF SAID PROBES INTO SAID MOLD FOR CAUSING STEAM TO BE INJECTED INTO SAID MOLD THROUGH SAID PROBES, AND SECOND MEANS OPERABLE TO RETRACT SAID PROBES FROM SAID MOLD AFTER STEAM IS INJECTED INTO SAID MOLD WHEREBY SAID MATERIAL IS EXPANDED INTO THE SHAPE OF SAID MOLD.
References Cited (Backward Citations)
US1540219A
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US1977374A
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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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |