Patent US3174187A successfully refreshed from Google Patents.
US3174187A
Expired / Lapsed
US
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Molding apparatus
Assignee: Individual
•
Filing: 1961-12-19
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Granted: 1965-03-23
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 Schriever Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:43
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/1759; B29C45/03; B29C45/40; Y; Y10; Y10S; Y10S425/00; Y10S425/051; Y10S425/806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A MOLDING PRESS COMPRISING A STATIONARY PLATEN, A MOVABLE PLATEN, POWER MEANS FOR MOVING THE MOVABLE PLATEN INTO ABUTTING RELATION WITH THE STATIONARY PLATEN TO FORM A MOLD THEREBETWEEN, SAID MOVABLE PLATEN HAVING A CYLINDER FORMED THEREIN AND A NOZZLE COMMUNICATING BETWEEN THE CYLINDER AND THE MOLD SURFACE OF THE PLATEN, A RAM MOUNTED IN THE CYLINDER FOR RECIPROCATING MOVEMENT AND MOTOR MEANS FOR MOVING THE RAM RELATIVE TO THE CYLINDER WHEREBY THE POWER MEANS AND THE MOTOR MEANS MAINTAIN THE PLATENS IN ABUTTING RELATION DURING THE INJECTION OF MOLDING MATERIAL FROM THE CYLINDER INTO THE MOLD, SAID MOVABLE PLATEN HAVING A RADIAL SUPPLY BORE COMMUNICATING WITH SAID CYLINDER FOR FEEDING MOLDING MATERIAL TO THE CYLINDER AND HAVING A RADIAL EJECTION PORT EXTENDING THROUGH OPPOSITE SIDES OF THE CYLINDER AND COMMUNICATING WITH THE CYLINDER FOR EJECTING FLASH, SAID EJECTION PORT BEING SPACED FROM THE NOZZLE A GREATER DISTANCE THAN THE SUPPLY BORE.
Claim 2
Dependent Claim
152 words
A MOLDING PRESS COMPRISING A STATIONARY PLATEN, A MOVABLE PLATEN, POWER MEANS FOR MOVING THE MOVABLE PLATEN INTO ABUTTING RELATION WITH THE STATIONARY PLATEN TO FORM A MOLD THEREBETWEEN, SAID MOVABLE PLATEN HAVING A CYLINDER FORMED THEREIN AND A NOZZLE COMMUNICATING BETWEEN THE CYLINDER AND THE MOLD SURFACE OF THE PLATEN, A RAM MOUNTED IN THE CYLINDER FOR RECIPROCATING MOVEMENT AND MOTOR MEANS FOR MOVING THE RAM RELATIVE TO THE CYLINDER WHEREBY THE POWER MEANS AND THE MOTOR MEANS MAINTAIN THE PLATENS IN ABUTTING RELATION DURING THE INJECTION OF MOLDING MATERIAL FROM THE CYLINDER INTO THE MOLD, SAID MOVABLE PLATEN HAVING A RADIAL SUPPLY BORE COMMUNICATING WITH SAID CYLINDER FOR FEEDING MOLDING MATERIAL TO THE CYLINDER AND HAVING A RADIAL EJECTION PORT EXTENDING THROUGH OPPOSITE SIDES OF THE CYLINDER AND COMMUNICATING WITH THE CYLINDER FOR EJECTING FLASH, SAID EJECTION PORT BEING SPACED FROM THE NOZZLE A GREATER DISTANCE THAN THE SUPPLY BORE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |