US3345684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fully automatic molding presses
Assignee: Maschinenfabrik Fahr AG
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Filing: 1964-11-12
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Granted: 1967-10-10
•
Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Scherrer-Wirz Donat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:44
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0003; B29C37/0017; B29C37/0021; B29C33/00; B29C33/44; B29C33/442; B29C33/444; B29C33/446; B29C37/0007; B29C43/00; B29C43/32; B29C43/50; B29D; B29D1/00; B29C33/20; B29L; B29L2031/00; B29L2031/56; B29L2031/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
APPARATUS FOR FULLY AUTOMATIC PRESSES, PARTICULARLY PLASTIC MOLDING PRESSES, FOR SEPARATING A PRESSED ARTICLE PROVIDED WITH INTERNAL THREADING FROM A PRESSING TOOL, COMPRISING AN EJECTOR PLATE, AT LEAST ONE PRESS RAM MOUNTED TO BE NON-DISPLACEABLE YET ROTATABLE AT SAID EJECTOR PLATE, A PUNCH PLATE THROUGH WHICH SAID PRESS RAM PIERCINGLY EXTENDS, SAID PRESS RAM INCLUDING SHOULDER MEANS BEARING AGAINST SAID PUNCH PLATE DURING THE PRESSING OPERATION, ROTARY DRIVE MEANS FOR DRIVING SAID PRESS RAM WHEN THE PRESS IS OPENED, SAID APPARATUS INCLUDING A HOLLOW GUIDE SLEEVE OF GIVEN DIAMETER CARRIED BY SAID PUNCH PLATE, SAID PRESS RAM BEING PROVIDED WITH A LARGE DIAMETER RAM SECTION SLIDABLE WITHIN SAID HOLLOW GUIDE SLEEVE, MEANS TO MOVE SAID PRESS RAM LONGITUDINALLY OF SAID HOLLOW GUIDE SLEEVE, ONLY A SMALL PORTION OF SAID LARGER DIAMETER RAM SECTION SUBSTANTIALLY CORRESPONDING IN DIAMETER TO SAID GIVEN DIAMETER OF SAID HOLLOW GUIDE SLEEVE, WHEREBY THE AFORESAID SMALL PORTION OF SAID RAM SECTION SLIDABLY CONTACTS THE INTERNAL WALLS OF SAID HOLLOW SLEEVE
Claim 2
Dependent Claim
164 words
APPARATUS FOR FULLY AUTOMATIC PRESSES, PARTICULARLY PLASTIC MOLDING PRESSES, FOR SEPARATING A PRESSED ARTICLE PROVIDED WITH INTERNAL THREADING FROM A PRESSING TOOL, COMPRISING AN EJECTOR PLATE, AT LEAST ONE PRESS RAM MOUNTED TO BE NON-DISPLACEABLE YET ROTATABLE AT SAID EJECTOR PLATE, A PUNCH PLATE THROUGH WHICH SAID PRESS RAM PIERCINGLY EXTENDS, SAID PRESS RAM INCLUDING SHOULDER MEANS BEARING AGAINST SAID PUNCH PLATE DURING THE PRESSING OPERATION, ROTARY DRIVE MEANS FOR DRIVING SAID PRESS RAM WHEN THE PRESS IS OPENED, SAID APPARATUS INCLUDING A HOLLOW GUIDE SLEEVE OF GIVEN DIAMETER CARRIED BY SAID PUNCH PLATE, SAID PRESS RAM BEING PROVIDED WITH A LARGE DIAMETER RAM SECTION SLIDABLE WITHIN SAID HOLLOW GUIDE SLEEVE, MEANS TO MOVE SAID PRESS RAM LONGITUDINALLY OF SAID HOLLOW GUIDE SLEEVE, ONLY A SMALL PORTION OF SAID LARGER DIAMETER RAM SECTION SUBSTANTIALLY CORRESPONDING IN DIAMETER TO SAID GIVEN DIAMETER OF SAID HOLLOW GUIDE SLEEVE, WHEREBY THE AFORESAID SMALL PORTION OF SAID RAM SECTION SLIDABLY CONTACTS THE INTERNAL WALLS OF SAID HOLLOW SLEEVE
References Cited (Backward Citations)
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US2514486A
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US2799049A
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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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |