US4993840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking machine
Assignee: Sanyo Electric Co Ltd
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Filing: 1989-11-14
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Granted: 1991-02-19
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Expires: 2009-11-14
Abstract
Abstract A cooking machine comprising: a mixer body provided with a motor therein; a container placed on said mixer body; and an agitator with at least a discal portion provided in close proximity to the inner bottom surface of said container, said agitator being rotatably provided in said container substantially at the central portion of the bottom surface thereof in such a manner that the center axis of said discal portion is perpendicular to said bottom surface so as to agitate and whip a material charged into said container, and said discal portion being integrally provided with an indicator rod which protrudes upward from the center of the rotation of said discal portion and has a mark for indicating the height that the upper surface of the central portion of the whipped material is to reach when said material charged into said container has been whipped to said predetermined degree by the rotation of said agitator, which is suitable for whipping ice cream materials.
Inventors
- 👤 Yoshinari Maeda
- 👤 Tokio Akai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:16
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/08; A23G9/12; B; B01; B01F; B01F27/00; B01F27/05; B01F33/00; B01F33/45; B01F33/453; B01F33/4535; Y; Y10; Y10S; Y10S261/00; Y10S261/16; Y10S366/00; Y10S366/601
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
227 words
A method for whipping a product, comprising: providing a container, a rotatable member within the container, and an indicator rod which extends from the rotatable member to terminate at an upper end, the upper end of the indicator rod being at a predetermined level within the container; filling the container with a product at least to the predetermined level and thereby at least to an elevation of the upper end of the indicator rod; commencing rotation of the rotatable member to agitate and whip the product and thereby cause the upper end of the indicator rod to be uncovered by the product; continuing rotation of the rotatable member to continue to agitate and whip the product in the container to cause a central portion of the product to rise upward along the indicator rod until the upper end of the indicator rod becomes completely covered by the product; and observing the upper end of the indicator rod during the step of continued rotation to ascertain when a predetermined degree of whipping has taken place at which the volume of the product has increased by at least 60 percent, the upper end of the indicator rod becoming covered by the product as soon as the volume of the product has increased by at least 60 percent so as to thereby signify attainment of the predetermined degree of whipping.
Claim 2
Independent Claim
227 words
A method for whipping a product, comprising: providing a container, a rotatable member within the container, and an indicator rod which extends from the rotatable member to terminate at an upper end, the upper end of the indicator rod being at a predetermined level within the container; filling the container with a product at least to the predetermined level and thereby at least to an elevation of the upper end of the indicator rod; commencing rotation of the rotatable member to agitate and whip the product and thereby cause the upper end of the indicator rod to be uncovered by the product; continuing rotation of the rotatable member to continue to agitate and whip the product in the container to cause a central portion of the product to rise upward along the indicator rod until the upper end of the indicator rod becomes completely covered by the product; and observing the upper end of the indicator rod during the step of continued rotation to ascertain when a predetermined degree of whipping has taken place at which the volume of the product has increased by at least 60 percent, the upper end of the indicator rod becoming covered by the product as soon as the volume of the product has increased by at least 60 percent so as to thereby signify attainment of the predetermined degree of whipping.
Claim 3
Dependent Claim
52 words
A method according to claim 1, wherein the steps of commencing and continuing rotation include rotating the rotatable member together with an auxiliary agitator, the rotatable member having a disc-shaped portion, the auxiliary agitator being removably fitted onto the disc-shaped portion and having a diameter larger than that of the disc-shaped portion.
Claim 4
Dependent Claim
47 words
A method according to claim 1, further comprising the step of: obtaining ice cream material in preparation for freezing after the step of indicating is finished by placing raw cream, milk, yolk and sugar as the product into the container before the step of agitating and whipping.
Claim 5
Dependent Claim
39 words
A method according to claim 1, wherein the step of continuing rotation takes place so that the volume of the product increases between a range of 60 and 100 percent, the predetermined degree of whipping falling within this range.
Claim 6
Dependent Claim
28 words
A method according to claim 1, wherein the product is free of releasing air from the product to the outside during the steps of commencing and continuing rotation.
Claim 7
Independent Claim
251 words
A method for whipping a product, comprising: providing a container, a rotatable member within the container, and an indicator rod which extends from the rotatable member; removably placing an auxiliary indicator rod onto the indicator rod so that an upper end of the auxiliary indicator rod is at a predetermined level within the container that is higher than the extent to which extends the indicator rod; filling the container with a product at least to the predetermined level and thereby at least to an elevation of the upper end of the indicator rod; commencing rotation of the rotatable member to agitate and whip the product and thereby cause the upper end of the auxiliary indicator rod to be uncovered by the product; continuing rotation of the rotatable member to continue to agitate and whip the product in the container to cause a central portion of the product to rise upward along the auxiliary indicator rod until the upper end of the auxiliary indicator rod becomes completely covered by the product; and observing the upper end of the auxiliary indicator rod during the step of continued rotation to ascertain when a predetermined degree of whipping has taken place at which the volume of the product has increased by at least 60 percent, the upper end of the auxiliary indicator rod becoming covered by the product as soon as the volume of the product has increased by at least 60 percent so as to thereby signify attainment of the predetermined degree of whipping.
Claim 8
Independent Claim
251 words
A method for whipping a product, comprising: providing a container, a rotatable member within the container, and an indicator rod which extends from the rotatable member; removably placing an auxiliary indicator rod onto the indicator rod so that an upper end of the auxiliary indicator rod is at a predetermined level within the container that is higher than the extent to which extends the indicator rod; filling the container with a product at least to the predetermined level and thereby at least to an elevation of the upper end of the indicator rod; commencing rotation of the rotatable member to agitate and whip the product and thereby cause the upper end of the auxiliary indicator rod to be uncovered by the product; continuing rotation of the rotatable member to continue to agitate and whip the product in the container to cause a central portion of the product to rise upward along the auxiliary indicator rod until the upper end of the auxiliary indicator rod becomes completely covered by the product; and observing the upper end of the auxiliary indicator rod during the step of continued rotation to ascertain when a predetermined degree of whipping has taken place at which the volume of the product has increased by at least 60 percent, the upper end of the auxiliary indicator rod becoming covered by the product as soon as the volume of the product has increased by at least 60 percent so as to thereby signify attainment of the predetermined degree of whipping.
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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) | 1994-02-18 | 1994-08-20 | 1995-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-18 | 1998-08-20 | 1999-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-18 | 2002-08-20 | 2003-02-19 | $7700.00 | Window Closed / Lapsed |