US4114065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator cabinet and method of constructing
Assignee: General Electric Co
•
Filing: 1976-12-09
•
Granted: 1978-09-12
•
Expires: 1996-12-09
Abstract
Abstract A single sheet of metal is stamped to provide portions which form the top, side and bottom outer walls of the refrigerator cabinet and portions which form the top, side and bottom inner walls of the cabinet. This single sheet of metal is stamped in the same operation to include a plurality of perforations in an elongated section thereof extending lengthwise of the sheet between the portions which form the outer wall and the portions which form the inner wall. This same elongated section is further shaped to provide a groove of arcuate cross-section extending substantially the length thereof. The single sheet of metal is then bent to form in one operation the top, side and bottom outer walls of the refrigerator and the top, side and bottom inner walls of the refrigerator, the elongated perforated section framing the door opening of the refrigerator, the perforations retarding heat transfer from the outer walls. A portion of the tubing forming the condenser of the refrigerating system employed with the refrigerator is assembled in the aforementioned arcuate groove. mentioned arcuate groove.
Inventors
- 👤 Julius B. Horvay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:48
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/06; F25D23/061; F25D21/00; F25D21/04; F25D23/006; F25D23/065; F25D23/066; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
132 words
A refrigerator cabinet comprising: a single sheet of metal including a first portion for forming at least a portion of the outer wall of the cabinet, a second portion for forming at least a portion of the inner wall of the cabinet, and a section disposed between said first and second portions and having a plurality of perforations therein for retarding heat transfer between said first and second portions; said sheet being bent to cause said first and second portions to form the portions of the inner and outer walls and said section to form at least a portion of a surface framing the door opening of the cabinet; and means disposed in assembled relation with said section for supplying heat thereto to reduce sweating of the outer wall of the cabinet.
Claim 2
Dependent Claim
132 words
A refrigerator cabinet comprising: a single sheet of metal including a first portion for forming at least a portion of the outer wall of the cabinet, a second portion for forming at least a portion of the inner wall of the cabinet, and a section disposed between said first and second portions and having a plurality of perforations therein for retarding heat transfer between said first and second portions; said sheet being bent to cause said first and second portions to form the portions of the inner and outer walls and said section to form at least a portion of a surface framing the door opening of the cabinet; and means disposed in assembled relation with said section for supplying heat thereto to reduce sweating of the outer wall of the cabinet.
Claim 3
Dependent Claim
13 words
The refrigerator cabinet of claim 1, wherein said means also conceals said perforations.
Claim 4
Dependent Claim
150 words
A refrigerator cabinet comprising: a single sheet of metal including a plurality of first portions for forming the top, side and bottom outer walls of the cabinet; said sheet further including a plurality of second portions for forming the top, side and bottom inner walls of the cabinet, said inner walls forming a food compartment; said sheet further including a section disposed between said first portions and said second portions and having a plurality of perforations therein for retarding heat transfer between said first portions and said second portions; said sheet being bent to cause said first portions and said second portions to form said top, side and bottom outer and inner walls and said section to form a surface framing the door opening of the cabinet; and means disposed in assembled relation with said section for supplying heat thereto to reduce sweating of the outer wall of the cabinet.
Claim 5
Dependent Claim
150 words
A refrigerator cabinet comprising: a single sheet of metal including a plurality of first portions for forming the top, side and bottom outer walls of the cabinet; said sheet further including a plurality of second portions for forming the top, side and bottom inner walls of the cabinet, said inner walls forming a food compartment; said sheet further including a section disposed between said first portions and said second portions and having a plurality of perforations therein for retarding heat transfer between said first portions and said second portions; said sheet being bent to cause said first portions and said second portions to form said top, side and bottom outer and inner walls and said section to form a surface framing the door opening of the cabinet; and means disposed in assembled relation with said section for supplying heat thereto to reduce sweating of the outer wall of the cabinet.
Claim 6
Dependent Claim
73 words
The refrigerator cabinet of claim 3, wherein: said single sheet of metal further includes a third portion for forming the back outer wall of the cabinet and a fourth portion for forming the back inner wall of the cabinet; and said sheet is bent to cause said third portion to form the back outer wall of the cabinet and to cause said fourth portion to form the back inner wall of the cabinet.
Claim 7
Dependent Claim
13 words
The refrigerator cabinet of claim 3, wherein said means also conceals said perforations.
Claim 8
Dependent Claim
25 words
The refrigerator cabinet of claim 3, and further comprising a refrigerating system including a condenser and wherein said means comprises a portion of said condenser.
Claim 9
Dependent Claim
49 words
The refrigerator cabinet of claim 6, wherein: said section is formed to provide an arcuate recess therein; said portion of said condenser comprises tubing; and said tubing is received in said arcuate recess and both supplies heat to raise the temperature of the outer wall and conceals said perforations.
Claim 10
Dependent Claim
13 words
The refrigerator cabinet of claim 7, wherein: said arcuate recess includes said perforations.
Claim 11
Dependent Claim
35 words
The refrigerator cabinet of claim 7, wherein: said arcuate recess has an access opening slightly smaller than the outer diameter of said tubing; and said tubing is forced into said recess through said access opening.
Claim 12
Dependent Claim
27 words
The refrigerator cabinet of claim 7, wherein: said section includes openings therethrough near the center of the bottom wall; and said condenser tubing extends through said openings.
References Cited (Backward Citations)
US2205779A
Cited
US2180886A
Cited
US2111411A
Cited
US2068532A
Cited
US2478145A
Cited
US2751106A
Cited
US3380615A
Cited
US3933398A
Cited
US3948410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-11 | 1982-03-13 | 1982-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-11 | 1986-03-13 | 1986-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-11 | 1990-03-13 | 1990-09-12 | $7700.00 | Window Closed / Lapsed |