US3646722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preassembly of refractory brick and lining furnaces therewith
Assignee: General Refractories Co
•
Filing: 1969-09-02
•
Granted: 1972-03-07
•
Expires: 1989-09-02
Abstract
Abstract Refractory brick are preassembled into configuration matching a furnace to be lined and are retained together for transporting into place in the furnace. The resulting assembly is releasably secured mechanically or magnetically to suitable transporting means.
Inventors
- 👤 Victor John Salmi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:23
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/142; E04G21/147; E04C; E04C2/00; E04C2002/001; E04C2002/002; Y; Y10; Y10S; Y10S52/00; Y10S52/04
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
62 words
The method of lining an enclosure with refractory material comprising preassembling into an assembly having a desired configuration, a plurality of refractory brick each provided with at least one magnetically permeable end face, magnetically gripping the assembled permeable end faces to a carrier means for transporting, and transporting the assembly of bricks so gripped as a unit into place in the enclosure.
Claim 2
Independent Claim
62 words
The method of lining an enclosure with refractory material comprising preassembling into an assembly having a desired configuration, a plurality of refractory brick each provided with at least one magnetically permeable end face, magnetically gripping the assembled permeable end faces to a carrier means for transporting, and transporting the assembly of bricks so gripped as a unit into place in the enclosure.
Claim 3
Dependent Claim
20 words
Method according to claim 1, wherein an expendable magnetically permeable membrane is bonded to an end face of the assembly.
Claim 4
Dependent Claim
30 words
Method according to claim 1, wherein the assembly has the configuration of a sector and is transported into place at a part of the enclosure having a correspondingly arcuate shape.
Claim 5
Dependent Claim
18 words
Method according to claim 3, wherein the sector subtends an angle of from about 30* to about 45*.
Claim 6
Dependent Claim
104 words
Apparatus comprising, in combination, refractory brick preassembled into a configuration having an end face matching the shape of a furnace into which the resulting assembly is to be installed and having retaining means to retain the assembly together in such configuration, transporting means having an end plate configured to abut the end face of the assembly, and means for securing the assembly to the end plate of the transporting means, the securing means being magnetically permeable, and the transporting means comprising means for setting up a magnetic field to grip the magnetically permeable securing means to the end plate for transporting of the assembly.
Claim 7
Dependent Claim
104 words
Apparatus comprising, in combination, refractory brick preassembled into a configuration having an end face matching the shape of a furnace into which the resulting assembly is to be installed and having retaining means to retain the assembly together in such configuration, transporting means having an end plate configured to abut the end face of the assembly, and means for securing the assembly to the end plate of the transporting means, the securing means being magnetically permeable, and the transporting means comprising means for setting up a magnetic field to grip the magnetically permeable securing means to the end plate for transporting of the assembly.
Claim 8
Dependent Claim
21 words
Apparatus according to claim 5, wherein the securing means comprises a metallic coating on the end face of the component brick.
Claim 9
Dependent Claim
18 words
Apparatus according to claim 5, wherein the securing means comprises a metallic membranous plate affixed to the assembly.
Claim 10
Independent Claim
70 words
The method of lining an enclosure with brick-shaped elements comprising erecting outside said enclosure an assembly of said brick-shaped elements having end faces configured to conform to a poRtion of said enclosure, juxtaposing to said assembly a supporting surface also conforming to said enclosure portion, and transporting said assembly into said enclosure while juxtaposed to said supporting surface, said assembly being retained magnetically against said juxtaposed supporting surface during transportation.
Claim 11
Independent Claim
70 words
The method of lining an enclosure with brick-shaped elements comprising erecting outside said enclosure an assembly of said brick-shaped elements having end faces configured to conform to a poRtion of said enclosure, juxtaposing to said assembly a supporting surface also conforming to said enclosure portion, and transporting said assembly into said enclosure while juxtaposed to said supporting surface, said assembly being retained magnetically against said juxtaposed supporting surface during transportation.
Claim 12
Dependent Claim
16 words
The method of claim 8 characterized that said end faces and supporting surface are all curved.
References Cited (Backward Citations)
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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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |