US1488798A

US1488798A - Insulated wall for ovens and the like

Info

Publication number: US1488798A
Application number: US435771A
Authority: US
Inventors: William F Schaller
Original assignee: Individual
Current assignee: Individual
Priority date: 1921-01-07
Filing date: 1921-01-07
Publication date: 1924-04-01
Anticipated expiration: 1941-04-01

Description

April 1, 1924. 1,488,798

. W. F. SCHALLER INSULATED WALL FOR OVENS AND THE LIKE originalv Filed Jan; '2. 1921 Patented ltheir. l., 1924.

WILLIAM F. SOLER, 0F SAN FRANCISCO', CALFORNIA.

INSULATE-l) WALL FOR GVENS AND THE LIKE.

Application filed January 7, 1921, Serial No. 435,771.

To aZZ whom it may concern Be it known that l, WILLIAM F. SCHAL- LER, a citizen of the United States, residing at San Francisco, in the county of San Francisco and State of California, have invented.l

certain new and useful Improvements in an Insulated Wall for Ovens and the like, of which the following is a specification.

My invention relates to improvements in an insulated wall for ovens and the like, such as furnaces and driers; and the object of my invention is to provide a wall structure that is practically a non-conductor of heat, and yet a wall of light weight and of strong and simple construction.

I attain this object by the method of construction shown in the accompanying drawlneet the several portions of the inner layer 1, the recessed part of the strip 4 being denoted by 5. Similar recessed parts 6 also are formed in the outer'layer 2. Bent Wires 7 go through apertures in the recessed parts 5 to serve as binding means to hold the strips 4 and the inner layer 1 to the refractory filler 3. Bent wires 8 go through apertures in the recessed parts 6 to serve as binding means to hold the outer layer 2 to the refractory filler 3. It will be noticed that the

bent Wires

7 and 8 do not touch each other, and hence by my construction there is no radiation of heat, due to metallic connections, from the inner layer 1 to the outer layer 2. The strips 4 are placed in a different plane to the bent recessed parts 6, preferably at ninety degrees, to stiifen or brace the Wall.

A facing of enameled metal or other material 9 is fastened to the outer layer, for appearances sake.

In construction, the inner layer 1 of my insulated wall is composed of a tough nonconducting material, preferably asbestos board. The outer layer 2 is composed of a metallic substance to give strength to the structure. The refractory ller 3 is com Renewed November 26, 1923.

posed of a layer, or several layers cemented together, of a suitable refractory material ofl very high insulating quality as well as a non-conductor of heat. The inner layer 1 and the outer layer 2 are securely fastened to the refractory filler 3. The binding wires I and 8 serve to fasten the inner layer 1 and the outer layer 2 to the refractory filler 3, and to eliminate radiation the

Wires

7 and 8 must not touch each other.

Various changes may be made in the arrangement and details of my invention without-departing from the spirit of my invention as set forth in the following claims.

Having thus described my invention, what l claim as new, and desireto secure by Letters Patent, .is-

1. An insulated wall for ovens and the like comprising an inner layer of non-conducting asbestos board, an outer metallic layer, and a refractory filler of insulating material cemented to said inner layer and said outer layer substantially as described.

2. An insulated wall forv ovens and the like comprising an inner layer of thin nonconducting asbestos board, an outer metallic layer, a refractory filler of insulating material cemented to said inner layer and saidv outer layer, metal binding strips to hold said inner layer and binding wires passing through the metal strips and imbedded in the refractory filler to hold said inner layer and said refractory filler together, the metal and binding Wires on both sides of the wall being protected. by the refractory material from the transfer of heat through the wall.

3. An insulated wall for ovens and the like, comprising an inner layer of thin nonconducting asbestos board, an outer layer of metallic substance, a refractory filler of insulating material, and means to hold said inner layer and said outer layer substantially to said refractory filler, there bein no metallic communication between the sai inner layer and the said outer layer.

4. An insulated Wall for ovens and the like, comprising an inner layer of thin nonconducting asbestos board, an outer layer of metallic substance, a refractory filler of insulating material, said inner layer and said vouter layer being cemented to said refractory filler, and metal binding strips to hold said inner layer to said refractory filler.

5. A n insulated wall for ovens and the like comprising an inner layer of non-con- 'E Leeeyzoe ducting asbestos boordi an outer znetaiiic covering9 fi refractory filler of insulating motorini, ineens to iioici said inner Layer and said outer covering in Contact with said refractory iiilel', the inetzii on both sides of the willi being protected from the transfer of beat therethrough by the refiaetory filler.

6. An insuiated wail for ovens and the like, comprising en inner layer of thin noncondueting asbestos board, an outer ieyei of metaiiic substance., a refractory iier @finsuiating nieteiiai, metal binding strips inerted in the inner laye-i, U-sbapeci recessed parte bent in the outer layer, bent binding Wires passing through the said metal binding strips and imbedded in the iefiactory iiei' to bold said inner inyei to said refractory filler, and bent binding Wires passing through said ii-shaped ieeessed parte bent in the outer layer and imbedded in the seitiA ieractory iiiei to hoiti said ontei iayer to said refractory filler.

iin testimony whereof 1 nx my signature.

WELLAM E SCHLLLERQ