US3099044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making articles of polyurethane plastics
Assignee: Bayer Corp
•
Filing: 1958-09-10
•
Granted: 1963-07-30
•
Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Reuter Franz Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:47
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/30; B29C33/301; B29C39/00; B29C39/02; B29C39/04; B29C39/08; B29K; B29K2075/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AN APPARATUS FOR CENTRIFUGALLY CASTING PLASTIC PRODUCTS COMPRISING A MOUNTING PLATE CONNCTED TO AND ROTATABLY DRIVEN BY A DRIVE SHAFT, A MOUNTING WHEEL DETACHABLY CONNECTED TO SAID MOUNTING PLATE, A MOLD-POSITIONING ELEMENT DETACHABLY CONNECTED TO SAID MOUNTING WHEEL, SAID MOLD-POSITIONING ELEMENT BEING CONCENTRIC WITH SAID MOUNTING PLATE AND SAID MOUNTING WHEEL, A PLATE MEMBER FITTING WITHIN SAID MOLD-POSITIONING ELEMENT AND ATTACHED TO SAID MOUNTING PLATE TO DIRECT THE FLOW OF PLASTIC MATERIAL INTRODUCED THEREIN,, SAID MOLD-POSITIONING ELEMENT HAVING A PLURALITY OF BORES THROUGH THE WALL THEREOF, A PLURALITY OF MOLDS EACH OF WHICH DEFINES A MOLD CAVITY, EACH OF SAID MOLDS BEING CONNECTED TO SAID MOLD-POSITIONING ELEMENT BY AN INSERT MEMBER, EACH OF SAID INSERT MEMBERS BEING SLIDABLY DISPOSED IN ONE OF SAID BORES IN SAID MOLD-POSITIONING ELEMENT AND MOVABLE RADIALLY WITH RESPECT THERTO, EACH OF SAID INSERT MEMBERS HAVING A PASSAGEWAY THERETHROUGH TO CONVEY THE PLASTIC MATERIAL TO SAID MOLD CAVITY AND A MOLD SECURING MEANS ON THE PERIPHERY OF SAID MOUNTING WHEEL FOR HOLDING SAID MOLDS IN PLACE.
Claim 2
Independent Claim
170 words
AN APPARATUS FOR CENTRIFUGALLY CASTING PLASTIC PRODUCTS COMPRISING A MOUNTING PLATE CONNCTED TO AND ROTATABLY DRIVEN BY A DRIVE SHAFT, A MOUNTING WHEEL DETACHABLY CONNECTED TO SAID MOUNTING PLATE, A MOLD-POSITIONING ELEMENT DETACHABLY CONNECTED TO SAID MOUNTING WHEEL, SAID MOLD-POSITIONING ELEMENT BEING CONCENTRIC WITH SAID MOUNTING PLATE AND SAID MOUNTING WHEEL, A PLATE MEMBER FITTING WITHIN SAID MOLD-POSITIONING ELEMENT AND ATTACHED TO SAID MOUNTING PLATE TO DIRECT THE FLOW OF PLASTIC MATERIAL INTRODUCED THEREIN,, SAID MOLD-POSITIONING ELEMENT HAVING A PLURALITY OF BORES THROUGH THE WALL THEREOF, A PLURALITY OF MOLDS EACH OF WHICH DEFINES A MOLD CAVITY, EACH OF SAID MOLDS BEING CONNECTED TO SAID MOLD-POSITIONING ELEMENT BY AN INSERT MEMBER, EACH OF SAID INSERT MEMBERS BEING SLIDABLY DISPOSED IN ONE OF SAID BORES IN SAID MOLD-POSITIONING ELEMENT AND MOVABLE RADIALLY WITH RESPECT THERTO, EACH OF SAID INSERT MEMBERS HAVING A PASSAGEWAY THERETHROUGH TO CONVEY THE PLASTIC MATERIAL TO SAID MOLD CAVITY AND A MOLD SECURING MEANS ON THE PERIPHERY OF SAID MOUNTING WHEEL FOR HOLDING SAID MOLDS IN PLACE.
References Cited (Backward Citations)
US2899297A
Cited
US1738995A
Cited
US1668763A
Cited
US1666403A
Cited
US1675132A
Cited
GB363142A
Cited
US1977531A
Cited
US2019064A
Cited
US2209400A
Cited
US2296460A
Cited
US2378042A
Cited
US2442718A
Cited
US2448640A
Cited
US2542757A
Cited
US2618031A
Cited
US2763032A
Cited
US2629130A
Cited
US2753642A
Cited
GB749541A
Cited
US2838797A
Cited
US2847707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |