US1354210A - Japanning-oven - Google Patents
Japanning-oven Download PDFInfo
- Publication number
- US1354210A US1354210A US328426A US32842619A US1354210A US 1354210 A US1354210 A US 1354210A US 328426 A US328426 A US 328426A US 32842619 A US32842619 A US 32842619A US 1354210 A US1354210 A US 1354210A
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- US
- United States
- Prior art keywords
- oven
- housing
- chamber
- wall
- walls
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- 238000005192 partition Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 241000905957 Channa melasoma Species 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
- F26B3/305—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements the infrared radiation being generated by combustion or combustion gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/13—Article holder attachable to apparel or body
- Y10T24/1321—Pencil
Definitions
- My invention ⁇ relates generally to ovens and more particularly to an oven of the portable type and in which radiated heat is utilized for the baking of japan, enamel, lacquer, or the like upon metals or for the vdrying or baking of any material which during the drying process gives off combustible vapors.
- the principal objects of my invention are, to provide a relatively simple and efficient oven which can be easily and cheaply manu# factured; to provide an oven which can be economically and conveniently heated; to provide for the thorough and uniform radiation of heat throughout the drying or baking chamber within the oven; to provide for the preheating of the air that circulates through the heating or baking chamber and which is effective in carrying ofi' the moisture and combustible vapors arising from the material being dried or baked; and, further, to provide a construction which will wholly eliminate the danger of fires resulting from accidental ignition of the combustible vapors arising from the material being dried or baked.
- - Fig. 2 is a cross section taken approximately on the lineA 2 2 of Fig. 1.
- Fig. 3 is an enlarged detail elevational view taken looking in the direction indicated by the arrow 3, in Fig. 1.
- Fig.y 4 is a front elevational view partly in section of a modified form of my improved oven.
- Fig. 5 is a horizontal section taken approximately on the line 5 5 of Fig. 4.
- Fig. 6 is a ⁇ detail section illustrating a modiiied construction of the bottom portion of the oven.
- vdesignates the bottom or base plate of the oven, and secured thereto in any suitable manner are a pair of side walls 11, a rear wall 12, and a front wall 13, and secured to the upper edges of these walls is a top 14.
- a top 14 vdesignates the bottom or base plate of the oven, and secured thereto in any suitable manner.
- walls and top are preferably made double and the intervening space is packed with asbestos or analogous heat insulating material as designated by 15.
- each side wall 11 Extending upwardly from the bottom plate 10 and arranged'parallel with and a short distance away from the lower portion of each side wall 11 is a vertically disposed wall 16, the same extending from the front wall 12 to the rear wall 13 and eX- tending from the top of each of these Walls 16 toward the adjacent side wall 11 is a horizontally disposed wall 17.
- These tubes preferably enter the oven through the front wall thereof and in orderl that the gas or liquid hydrocarbon issuing from the jets of said burner tubes may be readily ignited to heat the oven, the front wall 13 is provided at the front'ends of the chambers 18 with openings 2O that are normally closed by small hinged doors 21. Openings such as 22 are formed through the front wall 13 immediately below the doors 21, said openings being for the purpose of admitting air to the chambers to support combustion of the gas or liquid hydrocarbon consumed therein.
- partitions 23 Arranged in the lower inner corners of the chambers 18 are partitions 23 which, t0- gether with the adjacent portions of the partitions 16 and the bottom plate 10, inclose longitudinally disposed air preheating chambers 24, the same extending the entire length of the chambers 18 and the front ends of said air 'preheating chambers communicating with air inlet openings that are formed in front wall 1'3.
- apertures 2G are formed in the lower portions of the walls 1G which permit the preheated air to pass from the chambers 24.
- corrugated heat radiating walls 28 are preferably horizontally disposed and secured to the inner faces of the side walls 11 and projecting into the corrugations of the heat radiating walls 28 arehorizontally disposed baHle plates 29, suchconstruction forming tortuous passages for the heated air travelupwardly from the chamber"
- the upperends of the corrugated heat radiating walls 18 are connected to longi- I tudinally disposed inverted U-shaped housings 3 0 and leading from' the central portionsof the latter inwardly toltva central point on the top 14 are pipes 31 which com- Vrnunicate with an outlet pipe 32, the latter projecting through top 14.
- burners 19 are lightedand'the air heated within the chambers 18 travels upwardly through the tor- VVtuous passages provided bythe' corrugated Yand the Y air and products of combustionY walls 28 and batile plates 29 and as a result,
- the corrugated walls 28 are heated to a relatively high degree and this heat is radiated throughout the entire chamber within the oven. This uniform radiation of the heat is very effective .in drying coated work placed in the oven and which work is supported on suitable removable racks as illustrated by dotted lines A, in Fig. 2.
- the air which is heatedby the burners in the cham- -bers18 and which supports combustion of the fuel ignited atisaidY burners, is admitted through theV openings 22 v1n front wall 13 'leave the upper Yportions of the tortuous passages and leaveithe oven through pipes 31 and outlet 32.
- a chamber 33 is formed between the bottom Aplate 10a and a horizontally disposed partition 34 which is located a short dis- .tance above said bottom plate and the side edges of which partition connect with the -lower edOes of the corrudated heat radiatb Y D Y .
- Located inthe front wall immediately fz kabove this partition 36and above the burner tubes is an opening that is normally closed by a door 37 which latter permitsthe burners 'to be readily lighted.
- tubes 38 which admit air to the drying and bak-V ing chamber within the oven and Ywhich tubes are located above the ends of thef chamber V33 in order'thattheair passing into the ovenV chamber maybe effectually preheated.
- VAn oven of my improved construction is comparatively simple, can be easily and r cheaply constructed, can be heated in any desired manner,but preferably by the combustion ofg'as, liquid hydrocarbon ⁇ orvfuel suoli as coke, lis provided'with relatively large. heating surfaces, the same being :ar-
- a housing a corrugated wall arranged within said housing and spaced apart from one of the walls thereof, and there being a chamber formed in the lower portion of the housing and communicating with the space between the wall of the housing and said corrugated wall.
- a housing a corrugated wall arranged within said housing and spaced apart from one of the walls thereof, there being a chamber formed in the lower portion of the housing and communicating with the space between the wall of the housing and said corrugated wall, and there being an outlet leading from the space between the wall of the housing and said corrugated wall.
- a housing In an oven of the class described, a housing, a corrugated wall arranged within said housing and spaced apart from one of the walls thereof, there being a chamber arranged in the lower portion of the housing and communicating with the space between the wall of the housing and said corrugated wall, and there being an air preheating chamber located adjacent to said chamber.
- a housing In an oven of the class described, a housing, a corrugated wall arranged in said housing and spaced apart from one of the walls thereof, baffle plates arranged between said corrugated wall and the adjacent wall of the' housing, and there being a chamber formed in the lower portion of the housing of the oven, which chamber has communication with the space between the corrugated wall and the adjacent wall of the housing.
- a housing a corrugated wall arranged in said housing and spaced apart from one of the walls thereof, baffle plates arranged between said corrugated wall and the adjacent wall of the housing, there being a chamber in the lower portion of the housing of the oven, which chamber has communication with the space between the corrugated wall and the adjacent wall of the housing, and there being an air preheating chamber located adjacent to said chamber.
- a housing a corrugated wall arranged in said housing and spaced apart from one of the walls thereof, baiiie plates arranged between said corrugated wall and the adjacent wall of the housing, there being a chamber in the lower portion of the housing of the oven, which chamber has communication with the space between the corrugated Wall and the adjacent wall of the housing, there being an air preheating chamber located adjacent to said chamber, the upper portion of the oven being provided with an air and vapor outlet, and there being an outlet leading from the upper portion of the space between the corrugated wall and the adjacent wall of the oven housing.
- a housing provided in its lower portion with a chamber, a wall located within said housing adjacent to one of the walls thereof, the space between the wall of the housing and the adjacent inner wall having communication with said chamber, and means for conducting air into the drying chamber within the oven, which means is located adjacent to the chamber in the lower portion of the oven housing.
- a housing a wall arranged within said housing and spaced apart from one of the walls thereof to form a heated air duct, baffle plates arranged in said heated air duct, and there being a combustion chamber located in the lower portion of the oven and having communication with said heated air duct.
- a housing a wall arranged within said housing and spaced apart from one of the walls thereof to form a heated air duct, bave plates arranged in said heated air duct, there being a combustion chamber located in the lower portion of the oven and having communication with said heated air duct, and means located adjacent to the combustion chamber for preheating air and delivering the same into the baking chamber of the oven.
- a housing a wall arranged within said housing and spaced apart from one of the walls thereof to form a heated air duct, baflie plates arranged in said heated air duct, there being a combustion chamber located in the lower portion of the oven and having communication with said heated air duct, means located adjacent to the combustion chamber for preheating air and delivering the same into the baking chamber of the oven, the upper portion of said oven being provided with an outlet, and the upper portion of the heated air duct being provided with an outlet.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Description
0. PORBECK. JAPANNING OVEN. APPLICATION 'FILED ocr. 4, 1919.
PatentedSept. 28, 1920.
2 sHEETs`sHEET l El @V7/5' Patented Sept. 28,
2 SHEETS-SHEET 2.
Irma/far Zia Parke/5 o. PORBECK. .IAPANNING OVEN. APPLICATION FILED OCT. 4. 1919.
; g Q ws.
UNITED STATES PATENT OFFICE.
OTTO IPORBECK, OF ST. LOIS, MISSOURI.
Specification of Letters Patent.
J APANN ING-OVEN.
Patented Sept. 2S, 1920.
Application filed October 4, 1919. Serial No. 328,426.
lothers skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, forming part of this specication.
My invention` relates generally to ovens and more particularly to an oven of the portable type and in which radiated heat is utilized for the baking of japan, enamel, lacquer, or the like upon metals or for the vdrying or baking of any material which during the drying process gives off combustible vapors.
The principal objects of my invention are, to provide a relatively simple and efficient oven which can be easily and cheaply manu# factured; to provide an oven which can be economically and conveniently heated; to provide for the thorough and uniform radiation of heat throughout the drying or baking chamber within the oven; to provide for the preheating of the air that circulates through the heating or baking chamber and which is effective in carrying ofi' the moisture and combustible vapors arising from the material being dried or baked; and, further, to provide a construction which will wholly eliminate the danger of fires resulting from accidental ignition of the combustible vapors arising from the material being dried or baked.
With the foregoing and other objects in view, my invention consists in certain novel features of construction and arrangement of parts, hereinafter more fully described and claimed, and illustrated in the Y accompanying drawings, in which- Figure 1 is a top plan view of an oven ofmy improved construction, portions thereof being broken away and in horizontal section. Y
- Fig. 2 is a cross section taken approximately on the lineA 2 2 of Fig. 1. Y
Fig. 3 is an enlarged detail elevational view taken looking in the direction indicated by the arrow 3, in Fig. 1.
Fig.y 4 is a front elevational view partly in section of a modified form of my improved oven.
Fig. 5 is a horizontal section taken approximately on the line 5 5 of Fig. 4.
Fig. 6 is a `detail section illustrating a modiiied construction of the bottom portion of the oven.
Referring by numerals to the accompanying drawings and aarticularly the`construction illustrated in )Figs 1 to 3 inclusive, 10
vdesignates the bottom or base plate of the oven, and secured thereto in any suitable manner are a pair of side walls 11, a rear wall 12, and a front wall 13, and secured to the upper edges of these walls is a top 14. These. walls and top are preferably made double and the intervening space is packed with asbestos or analogous heat insulating material as designated by 15.
Extending upwardly from the bottom plate 10 and arranged'parallel with and a short distance away from the lower portion of each side wall 11 is a vertically disposed wall 16, the same extending from the front wall 12 to the rear wall 13 and eX- tending from the top of each of these Walls 16 toward the adjacent side wall 11 is a horizontally disposed wall 17. These walls together with the adjacent portions of the bottom plate 10 and side walls 11 form elongated chambers 18 in the lower corners of the oven and where the oven is heated with gas or liquid hydrocarbon, burner tubes such as 19 extend lengthwise throughout said chambers. These tubes preferably enter the oven through the front wall thereof and in orderl that the gas or liquid hydrocarbon issuing from the jets of said burner tubes may be readily ignited to heat the oven, the front wall 13 is provided at the front'ends of the chambers 18 with openings 2O that are normally closed by small hinged doors 21. Openings such as 22 are formed through the front wall 13 immediately below the doors 21, said openings being for the purpose of admitting air to the chambers to support combustion of the gas or liquid hydrocarbon consumed therein.
Arranged in the lower inner corners of the chambers 18 are partitions 23 which, t0- gether with the adjacent portions of the partitions 16 and the bottom plate 10, inclose longitudinally disposed air preheating chambers 24, the same extending the entire length of the chambers 18 and the front ends of said air 'preheating chambers communicating with air inlet openings that are formed in front wall 1'3.
. Formed in the lower portions of the walls 1G are apertures 2G which permit the preheated air to pass from the chambers 24.
into the lower portion ofthe drying chamber of the oven. This air is utilized` for carrying oif moisture arising from the material under treatment within the oven and said air and the combustible vapors arising froml thematerial under treatment escape from the chamber through` suitable outlets 27 that are located onl the top 14.
. -Arrranged within the drying chamber in the oven substantially parallel with and a short distance away lfrom the side walls 11 are corrugated heat radiating walls 28, the lower edges of which are connected to the horizontally disposed partitions 17.. r1`he corrugations of these walls 28 are preferably horizontally disposed and secured to the inner faces of the side walls 11 and projecting into the corrugations of the heat radiating walls 28 arehorizontally disposed baHle plates 29, suchconstruction forming tortuous passages for the heated air travelupwardly from the chamber" The upperends of the corrugated heat radiating walls 18 are connected to longi- I tudinally disposed inverted U-shaped housings 3 0 and leading from' the central portionsof the latter inwardly toltva central point on the top 14 are pipes 31 which com- Vrnunicate with an outlet pipe 32, the latter projecting through top 14. Then this form of the oven Ais in service, burners 19 are lightedand'the air heated within the chambers 18 travels upwardly through the tor- VVtuous passages provided bythe' corrugated Yand the Y air and products of combustionY walls 28 and batile plates 29 and as a result,
the corrugated walls 28 are heated to a relatively high degree and this heat is radiated throughout the entire chamber within the oven. This uniform radiation of the heat is very effective .in drying coated work placed in the oven and which work is supported on suitable removable racks as illustrated by dotted lines A, in Fig. 2. The air which is heatedby the burners in the cham- -bers18 and which supports combustion of the fuel ignited atisaidY burners, is admitted through theV openings 22 v1n front wall 13 'leave the upper Yportions of the tortuous passages and leaveithe oven through pipes 31 and outlet 32.
The air necessary to carryl off the moisture l'and the like from the material being dried within the oven enters the openings 25' and after being preheated in the cham-V bers 24'passes outwardly through apertures 26 and thence upwardly through the chamber within the oven and this air and the moisture and vapors combined therewith discharges through outlets 27. Y
ln the form of ovenillustrate'd in Figs. 4 and 5, 'a chamber 33 is formed between the bottom Aplate 10a and a horizontally disposed partition 34 which is located a short dis- .tance above said bottom plate and the side edges of which partition connect with the -lower edOes of the corrudated heat radiatb Y D Y .Located inthe front wall immediately fz kabove this partition 36and above the burner tubes is an opening that is normally closed by a door 37 which latter permitsthe burners 'to be readily lighted.
Located between the lower .portions of the side walls ofthe oven and the lower portions of the corrugated walls 28LY are tubes 38 which admit air to the drying and bak-V ing chamber within the oven and Ywhich tubes are located above the ends of thef chamber V33 in order'thattheair passing into the ovenV chamber maybe effectually preheated. f Y
In the modified construction illustrated in Fig. (ila-horizontally disposed partition Y 39-isrr arranged a short distance above the bottom plate of the oven, saidpartition being corrugated Vso as to provide channels 40 which extendfrom the frontwall of the oven to the back wall thereof, there being vopenings inthe front wall of the oven communicating l with the front ends of said channels to permit the inlet ofair. The tops of these Ychannels are closed by plates 41 that are perforated as designated by 42,
thus permitting the air to pass from said channels upwardly -into the heating or baking chamber of the oven.Y
VAn oven of my improved construction is comparatively simple, can be easily and r cheaply constructed, can be heated in any desired manner,but preferably by the combustion ofg'as, liquid hydrocarbon` orvfuel suoli as coke, lis provided'with relatively large. heating surfaces, the same being :ar-
ranged so as to uniformly radiate the heat throughout the drying or heating chamber,
and the air thatis taken into the heating or baking chamber to` carry off the moisture andthe like is thoroughly preheated prior to its entranceinto said chamber.
It will be'readily understood that minor changes in-theisize, form andconstruction of the various parts of my improved loven can be made and substituted for those herein shown and described, without departing from the spirit of my invention, the scope of which is set forth in the appended claims.
I claim:
1. In an oven of the class described, a housing, a corrugated wall arranged within said housing and spaced apart from one of the walls thereof, and there being a chamber formed in the lower portion of the housing and communicating with the space between the wall of the housing and said corrugated wall.
2. In an oven of the class described, a housing, a corrugated wall arranged within said housing and spaced apart from one of the walls thereof, there being a chamber formed in the lower portion of the housing and communicating with the space between the wall of the housing and said corrugated wall, and there being an outlet leading from the space between the wall of the housing and said corrugated wall.
3. In an oven of the class described, a housing, a corrugated wall arranged within said housing and spaced apart from one of the walls thereof, there being a chamber arranged in the lower portion of the housing and communicating with the space between the wall of the housing and said corrugated wall, and there being an air preheating chamber located adjacent to said chamber.
4. In an oven of the class described, a housing, a corrugated wall arranged in said housing and spaced apart from one of the walls thereof, baffle plates arranged between said corrugated wall and the adjacent wall of the' housing, and there being a chamber formed in the lower portion of the housing of the oven, which chamber has communication with the space between the corrugated wall and the adjacent wall of the housing.
5. In an oven of the class described, a housing, a corrugated wall arranged in said housing and spaced apart from one of the walls thereof, baffle plates arranged between said corrugated wall and the adjacent wall of the housing, there being a chamber in the lower portion of the housing of the oven, which chamber has communication with the space between the corrugated wall and the adjacent wall of the housing, and there being an air preheating chamber located adjacent to said chamber.
6. In an oven of the class described, a housing, a corrugated wall arranged in said housing and spaced apart from one of the walls thereof, baiiie plates arranged between said corrugated wall and the adjacent wall of the housing, there being a chamber in the lower portion of the housing of the oven, which chamber has communication with the space between the corrugated Wall and the adjacent wall of the housing, there being an air preheating chamber located adjacent to said chamber, the upper portion of the oven being provided with an air and vapor outlet, and there being an outlet leading from the upper portion of the space between the corrugated wall and the adjacent wall of the oven housing.
7. In an oven of the class described, a housing provided in its lower portion with a chamber, a wall located within said housing adjacent to one of the walls thereof, the space between the wall of the housing and the adjacent inner wall having communication with said chamber, and means for conducting air into the drying chamber within the oven, which means is located adjacent to the chamber in the lower portion of the oven housing.
8. In an oven of the class described, a housing, a wall arranged within said housing and spaced apart from one of the walls thereof to form a heated air duct, baffle plates arranged in said heated air duct, and there being a combustion chamber located in the lower portion of the oven and having communication with said heated air duct.
9. In an oven of the class described, 'a housing, a wall arranged within said housing and spaced apart from one of the walls thereof to form a heated air duct, baiile plates arranged in said heated air duct, there being a combustion chamber located in the lower portion of the oven and having communication with said heated air duct, and means located adjacent to the combustion chamber for preheating air and delivering the same into the baking chamber of the oven.
10. In an oven of the class described, a housing, a wall arranged within said housing and spaced apart from one of the walls thereof to form a heated air duct, baflie plates arranged in said heated air duct, there being a combustion chamber located in the lower portion of the oven and having communication with said heated air duct, means located adjacent to the combustion chamber for preheating air and delivering the same into the baking chamber of the oven, the upper portion of said oven being provided with an outlet, and the upper portion of the heated air duct being provided with an outlet.
In testimony whereof I hereunto affix my signature this 2nd day of October, 1919.
OTTO PORBECK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US328426A US1354210A (en) | 1919-10-04 | 1919-10-04 | Japanning-oven |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US328426A US1354210A (en) | 1919-10-04 | 1919-10-04 | Japanning-oven |
Publications (1)
Publication Number | Publication Date |
---|---|
US1354210A true US1354210A (en) | 1920-09-28 |
Family
ID=23280932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US328426A Expired - Lifetime US1354210A (en) | 1919-10-04 | 1919-10-04 | Japanning-oven |
Country Status (1)
Country | Link |
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US (1) | US1354210A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5018707A (en) * | 1989-03-14 | 1991-05-28 | Gas Research Institute | Heating furnace |
EP0937955A1 (en) * | 1998-02-19 | 1999-08-25 | Dietrich Schröck | Radiant heat drying system |
NL1034696C2 (en) * | 2007-11-14 | 2009-05-15 | Allco Equipment Bvba | Oven for powder coating of products, has heating unit positioned within housing along standing wall and including hot air pipe, where heating unit creates flow of heated air through hot air pipe into burner |
-
1919
- 1919-10-04 US US328426A patent/US1354210A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5018707A (en) * | 1989-03-14 | 1991-05-28 | Gas Research Institute | Heating furnace |
EP0937955A1 (en) * | 1998-02-19 | 1999-08-25 | Dietrich Schröck | Radiant heat drying system |
NL1034696C2 (en) * | 2007-11-14 | 2009-05-15 | Allco Equipment Bvba | Oven for powder coating of products, has heating unit positioned within housing along standing wall and including hot air pipe, where heating unit creates flow of heated air through hot air pipe into burner |
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