US4259051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion apparatus for food material
Assignee: Ampco Foods Inc
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Filing: 1979-05-10
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Granted: 1981-03-31
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Expires: 1999-05-10
Abstract
Abstract An apparatus for extruding pumpable materials comprising an outer conduit means connected to a material supply source said outer conduit means being arranged around two inner conduit means one of which is connected to another material supply source and the other of which is in communication with the ambient. A method for extruding one material to surround another material comprising extruding one material into a hollow extrusion to surround a supply of another material filling the center of the extrusion whereby air contained in the center of the extrusion is displaced to the ambient.
Inventors
- 👤 Mounir A. Shatila
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:32
CPC Classifications
A; A23; A23P; A23P30/00; A23P30/20; A23P30/25
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
76 words
An extrusion apparatus for food material comprising an outer conduit means adapted to be connected at its inlet to a dough material supply source, a die plate means having an orifice mounted in connection to the discharge end of said outer conduit means, and two inner conduit means arranged substantially along the longitudinal axis within said outer conduit means, one of said inner conduit means being adapted to be connected to another food material supply source.
Claim 2
Dependent Claim
76 words
An extrusion apparatus for food material comprising an outer conduit means adapted to be connected at its inlet to a dough material supply source, a die plate means having an orifice mounted in connection to the discharge end of said outer conduit means, and two inner conduit means arranged substantially along the longitudinal axis within said outer conduit means, one of said inner conduit means being adapted to be connected to another food material supply source.
Claim 3
Dependent Claim
33 words
The apparatus of claim 1 wherein said conduit means are concentrically arranged along the longitudinal axis extending from the discharge end of said outer conduit means as outer, intermediate and inner conduit means.
Claim 4
Dependent Claim
23 words
The apparatus of claim 2 wherein said inner conduit means extends beyond said intermediate conduit means through said orifice of said die plate.
Claim 5
Dependent Claim
33 words
The apparatus of claim 2 wherein said inner conduit means is adapted to be connected to another material supply source and said intermediate conduit means is adapted to be open to the atmosphere.
Claim 6
Dependent Claim
45 words
The apparatus of claim 4 in combination with said material supply source in fluid communication with said outer conduit means and said another material supply source in fluid communication with said inner conduit means and said intermediate conduit means is in communication with the atmosphere.
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) | 1984-03-30 | 1984-09-29 | 1985-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-30 | 1988-09-29 | 1989-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-30 | 1992-09-29 | 1993-03-31 | $7700.00 | Window Closed / Lapsed |