US4073953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of rolled foods products
Assignee: Daloon AS
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Filing: 1976-11-23
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Granted: 1978-02-14
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Expires: 1996-11-23
Abstract
Abstract A method for the production of Chinese spring rolls and other rolled food products wherein a flat pancake is deposited on a gas permeable conveyor belt and a filler substance is placed atop said pancake, wherein said pancake successively is passed above air jets directed against the underside of said pancake to fold the front portion and opposite side portions of the flat pancake over said filling substance and wherein the folded pancake together with the filler substance finally is rolled toward the rear edge of said pancake to form a roll fully enclosing said filler substance.
Inventors
- 👤 Erik Trostmann
- 👤 Ove Albertsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:49
CPC Classifications
A; A23; A23P; A23P20/00; A23P20/20; A21; A21C; A21C9/00; A21C9/06; A21C9/063; A21D; A21D13/00; A21D13/30
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
100 words
A method for producing rolled food products comprising the steps of forming a flat edible wrap having a front portion and a rear portion and two opposite side portions, depositing a filler centrally on the flat wrap, successively folding the front portion and the opposite side portions of the wrap onto the filler substance by generating a pressure differential across the portions successively pressure above said portions being less that the pressure below said portions, and rolling the folded wrap with its filler substance toward and onto a rear portion of the wrap thereby completing the enclosure of the filler.
Claim 2
Independent Claim
100 words
A method for producing rolled food products comprising the steps of forming a flat edible wrap having a front portion and a rear portion and two opposite side portions, depositing a filler centrally on the flat wrap, successively folding the front portion and the opposite side portions of the wrap onto the filler substance by generating a pressure differential across the portions successively pressure above said portions being less that the pressure below said portions, and rolling the folded wrap with its filler substance toward and onto a rear portion of the wrap thereby completing the enclosure of the filler.
Claim 3
Dependent Claim
23 words
A method according to claim 1, wherein the folding is accomplished by generating a superatmospheric pressure below the successive portion to be folded.
Claim 4
Dependent Claim
25 words
A method according to claim 2, wherein concurrent with the generation of superatmospheric pressure below each successive portion, a partial vacuum is created above it.
Claim 5
Dependent Claim
23 words
A method according to claim 1, wherein the folding is accomplished by creating a partial vacuum above the successive portion to be folded.
Claim 6
Dependent Claim
25 words
A method according to claim 1, wherein prior to folding the opposite side portions of the wrap, the step of defining folding lines is performed.
Claim 7
Dependent Claim
16 words
A method according to claim 5, wherein the folding lines are defined parallel to each other.
Claim 8
Dependent Claim
19 words
A method according to claim 5, wherein the folding lines are defined at an acute angle to each other.
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) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |