US3909181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion nozzle
Assignee: Nestec SA
•
Filing: 1974-02-12
•
Granted: 1975-09-30
•
Expires: 1994-02-12
Abstract
Abstract An extrusion nozzle, especially suitable for texturing proteinaceous materials, comprising an elongate body having a side wall defining an axial passage, at one extremity of the body the side wall having longitudinal slits defining at least two fins the free ends of which are turned inwardly towards the longitudinal axis of the passage. Other features of the invention are described in the following specification.
Inventors
- 👤 De Rovaart Paul Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:31
CPC Classifications
A; A21; A21C; A21C11/00; A21C11/16; A23; A23J; A23J3/00; A23J3/22; A23J3/26; B; B29; B29C; B29C48/00; B29C48/03; B29C48/06
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
93 words
An extrusion nozzle for extruding proteinaceous material in a doughlike mass thereof, said nozzle comprising an elongated body having a cylindrical wall portion enclosing space defining an axial passage, and an even numbered plurality of fins of arcuate cross section extending longitudinally from said cylindrical wall portion, said fins being circularly spaced about the longitudinal axis of said passage, tip end portions of alternate ones of said fins being turned inwardly relative to the remaining fins toward said longitudinal axis, said remaining fins extending in substantially straight disposition from said cylindrical wall portion.
Claim 2
Dependent Claim
93 words
An extrusion nozzle for extruding proteinaceous material in a doughlike mass thereof, said nozzle comprising an elongated body having a cylindrical wall portion enclosing space defining an axial passage, and an even numbered plurality of fins of arcuate cross section extending longitudinally from said cylindrical wall portion, said fins being circularly spaced about the longitudinal axis of said passage, tip end portions of alternate ones of said fins being turned inwardly relative to the remaining fins toward said longitudinal axis, said remaining fins extending in substantially straight disposition from said cylindrical wall portion.
Claim 3
Dependent Claim
14 words
An extrusion nozzle according to claim 1 in which the nozzle has six fins.
Claim 4
Dependent Claim
22 words
An extrusion nozzle according to claim 1 in which said alternate ones of said fins are disposed symmetrically spaced around said axis.
Claim 5
Dependent Claim
39 words
An extrusion nozzle according to claim 1 in which the tip end portions of said alternate ones of said fins are turned inwardly towards said axis to an extent that said tip ends are substantially equidistant from said axis.
References Cited (Backward Citations)
US361312A
Cited
US807595A
Cited
US1025133A
Cited
US1173275A
Cited
US1486421A
Cited
US2767553A
Cited
US2937794A
Cited
US3241186A
Cited
US3300105A
Cited
US3528614A
Cited
US3758007A
Cited
US3794386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |