US3355767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granulating apparatus for melt extruded polymers
Assignee: Oerlikon Barmag AG
•
Filing: 1965-11-23
•
Granted: 1967-12-05
•
Expires: 1985-11-23
Abstract
No abstract record available.
Inventors
- 👤 Niemeyer Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:27
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/065; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN IMPROVED APPARATUS FOR GRANULATING A MELT EXTRUDED SYNTHETIC THERMOPLASTIC POLYMER COMPRISISNG: A GRANULATING CHAMBER HAVING OPPOSITELY DISPOSED BEAR ING WALLS; A CARRYING FRAME ADAPTED TO HOLD SAID CHAMBER IN A PREDETERMINED POSITION; MELT EXTRUSION MEANS INCLUDING A PERFORATED DIE PLATE FOR INJECTING AT LEAST ONE POLYMER STRAND INTO SAID CHAMBER, SAID EXTRUSION MEANS BEING ADAPTED TO RECEIVE ONE OF SAID OPPOSITELY DISPOSED BEARING WALLS OF SAID CHAMBER REMOVABLY ATTACHED IN A FIXED POSITION THERETO; ROTARY CUTTING MEANS MOUNTED ON SAID CHAMBER AND INCLUDING A DRIVE SHAFT ROTATABLY JOURNALLED IN THE OTHER OF SAID BEARING WALLS OF SAID CHAMBER; AND
Claim 2
Dependent Claim
100 words
AN IMPROVED APPARATUS FOR GRANULATING A MELT EXTRUDED SYNTHETIC THERMOPLASTIC POLYMER COMPRISISNG: A GRANULATING CHAMBER HAVING OPPOSITELY DISPOSED BEAR ING WALLS; A CARRYING FRAME ADAPTED TO HOLD SAID CHAMBER IN A PREDETERMINED POSITION; MELT EXTRUSION MEANS INCLUDING A PERFORATED DIE PLATE FOR INJECTING AT LEAST ONE POLYMER STRAND INTO SAID CHAMBER, SAID EXTRUSION MEANS BEING ADAPTED TO RECEIVE ONE OF SAID OPPOSITELY DISPOSED BEARING WALLS OF SAID CHAMBER REMOVABLY ATTACHED IN A FIXED POSITION THERETO; ROTARY CUTTING MEANS MOUNTED ON SAID CHAMBER AND INCLUDING A DRIVE SHAFT ROTATABLY JOURNALLED IN THE OTHER OF SAID BEARING WALLS OF SAID CHAMBER; AND
References Cited (Backward Citations)
US1574985A
Cited
US2299724A
Cited
US2422480A
Cited
US2512117A
Cited
US2524751A
Cited
US2594894A
Cited
US3114169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |