US4135180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aftermixer and apparatus
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1977-08-15
•
Granted: 1979-01-16
•
Expires: 1997-08-15
Abstract
Abstract An aftermixer for an impingement mixer that accumulates initial material from the mixer and then divides the rest of the material into aliquots in a ring cavity before recombining the aliquots as it is charged to a mold.
Inventors
- 👤 John R. White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:03
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/42; B29; B29B; B29B7/00; B29B7/74; B29B7/7471; B29C; B29C33/00; B29C33/0061; B29C33/0072; Y; Y10; Y10S; Y10S264/00; Y10S264/83
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
124 words
An aftermixer for use in line with an impingement mixer to achieve improved mixing of a molding composition as it moves to a shaper, comprising an aftermixer member having an inlet opening connected by cavities therein to a series of outlet openings to permit the molding composition to move through the aftermixer to the shaper, said inlet opening of said mixer being connected to at least three outward radiating elongated hollow cavities that terminates in an enlarged accumulation chamber, each of said outward radiating elongated cavities having an interconnecting cavity positioned between them at a point past midpoint of distance from the inlet opening to the enlarged accumulation chamber, each interconnecting cavity having an elongated hollow cavity projecting outward therefrom to an outlet opening.
Claim 2
Dependent Claim
124 words
An aftermixer for use in line with an impingement mixer to achieve improved mixing of a molding composition as it moves to a shaper, comprising an aftermixer member having an inlet opening connected by cavities therein to a series of outlet openings to permit the molding composition to move through the aftermixer to the shaper, said inlet opening of said mixer being connected to at least three outward radiating elongated hollow cavities that terminates in an enlarged accumulation chamber, each of said outward radiating elongated cavities having an interconnecting cavity positioned between them at a point past midpoint of distance from the inlet opening to the enlarged accumulation chamber, each interconnecting cavity having an elongated hollow cavity projecting outward therefrom to an outlet opening.
Claim 3
Dependent Claim
13 words
The aftermixer of claim 1, wherein the enlarged cavity is circular in shape.
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) | 1982-01-15 | 1982-07-17 | 1983-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-15 | 1986-07-17 | 1987-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-15 | 1990-07-17 | 1991-01-16 | $7700.00 | Window Closed / Lapsed |