US3130469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the shaping of tough granular substances
Assignee: Vereinigte Aluminium Werke AG
•
Filing: 1960-05-20
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Granted: 1964-04-28
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Expires: 1980-05-20
Abstract
No abstract record available.
Inventors
- 👤 Helmrich Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:09
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B30B11/022; B22; B22C; B22C13/00; B22C13/10; Y; Y10; Y10S; Y10S100/00; Y10S100/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A MACHINE FOR COMPACTING A TOUGH GRANULAR MASS INTO THE FORM OF A SHAPED ARTICLE WHICH COMPRISES, IN COMBINATION, A MOLD FORMED WITH OPENING MEANS AND ADAPTED TO RECEIVE THE GRANULAR MASS; A TAMPING MEMBER EXTENDABLE THROUGH SAID OPENING MEANS INTO COMPRESSIVE CONTACT WITH THE MASS IN SAID MOLD, SAID TAMPING MEMBER HAVING A TAMPING SURFACE WHOSE AREA AT LEAST APPROXIMATES THE CROSS-SECTIONAL AREA OF THE MOLD SO THAT THE GRANULAR MASS IS SUBSTANTIALLY COMPLETELY SURROUNDED WHEN THE TAMPING MEMBER EXTENDS INTO SAID MOLD; MEANS FOR RECIPROCATING SAID TAMPING MEMBER AT A PREDETERMINED FREQUENCY WITH STROKES OF PREDETERMINED LENGTH; AND MEANS FOR MAINTAINING SAID TAMPING MEMBER IN UNINTERRUPTED COMPRESSIVE CONTACT WITHTHE MASS IN SAID MOLD SO THAT SAID TAMPING MEMBER TRANSMITS TO THE MASS A CONTINUOUS COMPRESSIVE FACE DURING RECIPROCATION THEREOF.
Claim 2
Dependent Claim
131 words
A MACHINE FOR COMPACTING A TOUGH GRANULAR MASS INTO THE FORM OF A SHAPED ARTICLE WHICH COMPRISES, IN COMBINATION, A MOLD FORMED WITH OPENING MEANS AND ADAPTED TO RECEIVE THE GRANULAR MASS; A TAMPING MEMBER EXTENDABLE THROUGH SAID OPENING MEANS INTO COMPRESSIVE CONTACT WITH THE MASS IN SAID MOLD, SAID TAMPING MEMBER HAVING A TAMPING SURFACE WHOSE AREA AT LEAST APPROXIMATES THE CROSS-SECTIONAL AREA OF THE MOLD SO THAT THE GRANULAR MASS IS SUBSTANTIALLY COMPLETELY SURROUNDED WHEN THE TAMPING MEMBER EXTENDS INTO SAID MOLD; MEANS FOR RECIPROCATING SAID TAMPING MEMBER AT A PREDETERMINED FREQUENCY WITH STROKES OF PREDETERMINED LENGTH; AND MEANS FOR MAINTAINING SAID TAMPING MEMBER IN UNINTERRUPTED COMPRESSIVE CONTACT WITHTHE MASS IN SAID MOLD SO THAT SAID TAMPING MEMBER TRANSMITS TO THE MASS A CONTINUOUS COMPRESSIVE FACE DURING RECIPROCATION THEREOF.
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |