Patent US3323570A successfully refreshed from Google Patents.
US3323570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic ingredients mixing and grinding attachment
Assignee: Individual
•
Filing: 1964-05-27
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Granted: 1967-06-06
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Tullock Nigral Ray
- 👤 Tullock Betty Duff
- 👤 Tullock Dennis Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/30; B02C18/301; B02C18/302; B02C18/305; B02C2018/307
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
299 words
A DEVICE FOR MIXING A PLURALITY OF PLASTICALLY WORKABLE INGREDIENTS FED INTO SAID DEVICE INTO A RELATIVE HOMOGENEOUS CONGLOMERATE, SAID DEVICE COMPRISING: (A) A HOUSING DEFINING A CHAMBER, SAID CHAMBER (1) HAVING AN INTAKE AREA, (2) HAVING AN OUTLET AREA, SAID OUTLET AREA BEING DISPOSED REMOTELY FROM THE INTAKE AREA; AND (3) BEING CONSTITUTED OF: (A) A FIRST SECTION IN THE FORM OF THE FRUSTUM OF A CONE WITH ITS BASE AT THE INTAKE AREA, AND (B) A SECOND SECTION IN THE FORM OF A CYLINDER COAXIAL WITH THE FIRST SECTION AND EXTENDING FROM THE VERTEX OF THE FIRST SECTION TOWARD THE OUTLET AREA; (B) A MIXING AND IMPELLER UNIT, SAID UNIT (1) BEING ROTATABLE ABOUT AN AXIS SUBSTANTIALLY COINCIDING WITH THE AXIS OF SAID TWO CHAMBER SECTIONS, AND EXTENDING THROUGH SAID TWO SECTIONS SUBSTANTIALLY FROM THE INLET AREA TO THE OUTLET AREA; AND (2) INCLUDING A PLURALITY OF MEANS DISPOSED ABOUT SAID UNIT AXIS, EACH OF SAID MEANS BEING: (A) ADAPTED TO IMPEL THE INGREDIENTS THROUGH THE CHAMBER IN A DIRECTION FROM THE INLET AREA TO THE OUTLET AREA UPON ROTATION OF SAID UNIT RELATIVE TO THE CHAMBER; (B) OF A GENERALLY HELICAL CONFIGURATION AND OF AN OUTER RADIUS SUBSTANTIALLY EQUAL TO THE INNER RADIUS OF THE CROSS-SECTION OF HOUSING MOST PROXIMATE TO THE PARTICULAR ONE OF SAID MEANS, THEREBY TO PROVIDE A DEGREE OF FORWARD IMPULSION TO ANY INGREDIENTS CONTACTED BY SAID MEANS, UPON ROTATION OF THE LAST SAID MEANS RELATIVE TO SAID CHAMBER; AND (3) AT LEAST THE ONE OF SAID IMPELLING MEANS NEARER THE OUTLET AREA BEING A WORM CONVEYOR SPACED FROM OTHER IMPELLING MEANS NEARER THE INTAKE AREA, WHEREBY EFFECTIVE MIXING OCCURS IN THAT PART OF THE CHAMBER WHICH PRECEDES, IN ORDER OF PASSAGE OF THE INGREDIENTS BEYOND THE OUTLET MEANS THE WORM CONVEYOR.
Claim 2
Independent Claim
299 words
A DEVICE FOR MIXING A PLURALITY OF PLASTICALLY WORKABLE INGREDIENTS FED INTO SAID DEVICE INTO A RELATIVE HOMOGENEOUS CONGLOMERATE, SAID DEVICE COMPRISING: (A) A HOUSING DEFINING A CHAMBER, SAID CHAMBER (1) HAVING AN INTAKE AREA, (2) HAVING AN OUTLET AREA, SAID OUTLET AREA BEING DISPOSED REMOTELY FROM THE INTAKE AREA; AND (3) BEING CONSTITUTED OF: (A) A FIRST SECTION IN THE FORM OF THE FRUSTUM OF A CONE WITH ITS BASE AT THE INTAKE AREA, AND (B) A SECOND SECTION IN THE FORM OF A CYLINDER COAXIAL WITH THE FIRST SECTION AND EXTENDING FROM THE VERTEX OF THE FIRST SECTION TOWARD THE OUTLET AREA; (B) A MIXING AND IMPELLER UNIT, SAID UNIT (1) BEING ROTATABLE ABOUT AN AXIS SUBSTANTIALLY COINCIDING WITH THE AXIS OF SAID TWO CHAMBER SECTIONS, AND EXTENDING THROUGH SAID TWO SECTIONS SUBSTANTIALLY FROM THE INLET AREA TO THE OUTLET AREA; AND (2) INCLUDING A PLURALITY OF MEANS DISPOSED ABOUT SAID UNIT AXIS, EACH OF SAID MEANS BEING: (A) ADAPTED TO IMPEL THE INGREDIENTS THROUGH THE CHAMBER IN A DIRECTION FROM THE INLET AREA TO THE OUTLET AREA UPON ROTATION OF SAID UNIT RELATIVE TO THE CHAMBER; (B) OF A GENERALLY HELICAL CONFIGURATION AND OF AN OUTER RADIUS SUBSTANTIALLY EQUAL TO THE INNER RADIUS OF THE CROSS-SECTION OF HOUSING MOST PROXIMATE TO THE PARTICULAR ONE OF SAID MEANS, THEREBY TO PROVIDE A DEGREE OF FORWARD IMPULSION TO ANY INGREDIENTS CONTACTED BY SAID MEANS, UPON ROTATION OF THE LAST SAID MEANS RELATIVE TO SAID CHAMBER; AND (3) AT LEAST THE ONE OF SAID IMPELLING MEANS NEARER THE OUTLET AREA BEING A WORM CONVEYOR SPACED FROM OTHER IMPELLING MEANS NEARER THE INTAKE AREA, WHEREBY EFFECTIVE MIXING OCCURS IN THAT PART OF THE CHAMBER WHICH PRECEDES, IN ORDER OF PASSAGE OF THE INGREDIENTS BEYOND THE OUTLET MEANS THE WORM CONVEYOR.
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |