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US3265784A
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US
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Method for the manufacture of a foam insulated cabinet wherein the cabinet is cooled during the molding to prevent bulging
Assignee: Motors Liquidation Co
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Filing: 1963-04-02
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Granted: 1966-08-09
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Expires: 1983-04-02
Abstract
No abstract record available.
Inventors
- 👤 James W Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:12
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1233; B29L; B29L2031/00; B29L2031/762; B29L2031/7622; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE METHOD OF INSULATING A CABINET HAVING SPACED SHEET WALLS, PROVIDING AN INSULATION SPACE THEREBETWEEN ADJOINING A STORAGE COMPARTMENT, SAID WALLS CAPABLE OF BULGING OUTWARDLY WHEN A PRESSURE IS EXERTED ON THEIR INTERIOR SURFACES, COMPRISING: (A) INSERTING INTO THE INSULATION SPACE, FOAM-FORMING MATERIAL, (B) FORMING WITHIN THE INSULATION SPACE A FOAM WHICH INCREASES IN TEMPERATURE, EXPANDS AND AN OUTWARD PRESSURE ON SAID WALLS, HAVING A TENDENCY TO CAUSE BULGING OUTWARDLY OF SAID WALLS, AND (C) AS THE INSULATION SPACE IS SUBSTANTIALLY FILLED WITH THE FOAMED MATERIAL, FORCEABLY CIRCULATING A COOLING FLUID IN HEAT TRANSFER RELATION WITH THE SPACED WALLS, AT A RATE SUFFICIENT TO PREVENT ANY SUBSTANTIAL INCREASE IN THE TEMPERATURE OF THE FOAM AND THEREBY PREVENT ANY SUBSTANTIAL BULGING OF THE SPACED WALLS.
Claim 2
Independent Claim
124 words
THE METHOD OF INSULATING A CABINET HAVING SPACED SHEET WALLS, PROVIDING AN INSULATION SPACE THEREBETWEEN ADJOINING A STORAGE COMPARTMENT, SAID WALLS CAPABLE OF BULGING OUTWARDLY WHEN A PRESSURE IS EXERTED ON THEIR INTERIOR SURFACES, COMPRISING: (A) INSERTING INTO THE INSULATION SPACE, FOAM-FORMING MATERIAL, (B) FORMING WITHIN THE INSULATION SPACE A FOAM WHICH INCREASES IN TEMPERATURE, EXPANDS AND AN OUTWARD PRESSURE ON SAID WALLS, HAVING A TENDENCY TO CAUSE BULGING OUTWARDLY OF SAID WALLS, AND (C) AS THE INSULATION SPACE IS SUBSTANTIALLY FILLED WITH THE FOAMED MATERIAL, FORCEABLY CIRCULATING A COOLING FLUID IN HEAT TRANSFER RELATION WITH THE SPACED WALLS, AT A RATE SUFFICIENT TO PREVENT ANY SUBSTANTIAL INCREASE IN THE TEMPERATURE OF THE FOAM AND THEREBY PREVENT ANY SUBSTANTIAL BULGING OF THE SPACED WALLS.
References Cited (Backward Citations)
US3125616A
Cited
US2332674A
Cited
US2603741A
Cited
US2653139A
Cited
DE842267C
Cited
US2738406A
Cited
US2820987A
Cited
US2841205A
Cited
US2962407A
Cited
US3122785A
Cited
US2907627A
Cited
US3047449A
Cited
US3046177A
Cited
US3174887A
Cited
US3099516A
Cited
US3117171A
Cited
US3060843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |