US1348478A - Attachment for metal-coating machines - Google Patents
Attachment for metal-coating machines Download PDFInfo
- Publication number
- US1348478A US1348478A US184348A US18434817A US1348478A US 1348478 A US1348478 A US 1348478A US 184348 A US184348 A US 184348A US 18434817 A US18434817 A US 18434817A US 1348478 A US1348478 A US 1348478A
- Authority
- US
- United States
- Prior art keywords
- rollers
- wiping
- feed
- metal
- attachment
- 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
- 239000011248 coating agent Substances 0.000 title description 19
- 238000000576 coating method Methods 0.000 title description 19
- 239000000463 material Substances 0.000 description 13
- 239000002184 metal Substances 0.000 description 11
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 229910000635 Spelter Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
Definitions
- This invention relates to metal coating machines, and the invention has more special reference to novel sheet wiping means.
- the invention has for its principal object to provide a wiping attachment for metal coating machines, whereby any surplus coating material remaining upon the sheet subsequent to the immersion thereof in the metal bath will be removed, thereby affording a smoothly surfaced and finished product and eliminating the waste of the coating material.
- the invention also embodies means whereby the wiping attachment, which is rotatably mounted upon the galvanizing or tinning pot of the coating machine will be driven at a rate of speed slightly less than the speed of the rotary feed-out rollers, thus efficiently and constantly changing the wiping surface.
- Figure 1 is a longitudinal section in elevation through a metal coating machine having my improved sheet-wiping attachment thereon; and i Fig. 2 is a side elevation of the machine showing the manner in which the wiping attachment is driven by the feed-out rollers of the machine.
- a strut 4 is arranged upon the bottom of the pot l and is adapted to receive the said guide ways thereupon.
- guide ways 8 are directed into the bite by a plurality of feed-out rollers 5 and 6, it being noted that two sets of the rollers are employed, namely, an upper set and a lower set.
- the feed-out rollers 5 and 6 are journaled in bearings formed within the side walls of the pot l and have arranged upon certain of the ends thereof a plurality of meshing gears 7, these gears providing means whereby the feed-out rollers may be driven.
- Slightly larger meshing gears 10 are arranged upon the endsof the supporting shafts of the wiping gears 8 and 9 adjacent the gears 7 and to connect the same with the said gears 7 whereby they may be driven at a rate of speed slightly less than the speed of the feed-out rollers 5 and 6, smaller gears 11 are in mesh with the several sets of the upper feed-out rollers-and the gears 10 of the wiping rollers.
- wiping rollers will rotate at a slower rate of speed.
- the pot 1 is provided with an inner depending wall 1 which extends below the upper surface of the pot, as shown in Fig. 1.
- This wall 1' is in direct alinement with the stud 4:, although its lower end is spaced therefrom to provide a communication upon each side thereof.
- the guide ways are so provided that the upper guide way 2 communicates with its respective guide way 3 in such manner as to permit the coating liquid upon one side of the wall 1 to pass thereinto, although the lower guide way communicates with its respective guide way 3 upon the opposite side of the wall, thus causing the coating liquid in this side of the pot to be used, thus causing a thorough circulation and the equal using of the liquid.
- the guide ways 2 and 3 taper gradually throughout their entire length toward the direction of the rollers, thus coating the sheet material which is being passed through the guide ways so that it will carefully engage the rollers. It will be noted that the guide ways 3 have their lower ends out turned as indicated at 3', preventing the hanging of the sheet material upon the ends of the guide Ways 3, owing to the out turned ends above specified being carried very near to the lower end of the guide way 2.
- a sheet of metal is fed into certain of the guideways 2 and is directed thereby downwardly into the metal bath. During movement of the sheet through the bath, it will be efliciently coated and fed upwardly by the remaining guideways 3 into the bite of the lower feed-out rollers 5 and 6. Should any surplus material remain upon the sides of the metal sheet, the same when engaged between the wiping rollers 8 and 9 will be removed and returned to the pot 1, whereupon the sheet will be then engaged with the upper feedout rollers and delivered onto the weighing tray or other receiving device.
- rollers 8 and 9 By r0- tating the rollers 8 and 9 at a rate of speed slightly less than the speed at which the feed-out rollers are rotated, it is evident that a slight drag will be imparted by the said rollers 8 and9 to the coated sheet, hence thoroughly and efliciently removing such surplus coating material as may remain upon the sides thereof. Furthermore, by rotating the rollers 8 and 9 a constantly changing wiping surface is afi'orded, thereby preventing the streaking or uneven wiping of the sheets and rendering a smoothly surfaced and finished product.
- a device of the class described the combination of a supporting means, pairs of feed-out rollers rotatably supported upon said supporting means, the rollers of each pair being contiguous to each other, while said pairs are spaced from each other, wiping rollers rotatably mounted upon said supporting means, said wiping rollers being interposed between pairs of the feed-out rollers, means for rotating the feed-out rollers at a uniform speed, and means for rotating the wiping rollers in the same direction as that of the feed out rollers and slower than the feed-out rollers, thus causing a sheet of metal to positively pass out between the feed out rollers and the wiping rollers.
- a supporting means pairs of feed-out rollers rotatably supported upon said supporting means, the rollers of each pair engaging each other under normal conditions, said pairs being spaced apart, wiping rollers rotatably supported upon said means and interposed between said feed-out rollers, meshing gears of uniform sizes connected to said feed-out rollers, enlarged gears connected to said wiping rollers, and gears so meshing with the gears of the feedout rollers and wiping rollers, as to cause the wiping rollers to rotate in the same direction as the feed-out rollers, but at a reduced speed, thus causing the wiping rollers to have a slight dragging action upon a sheet of material moved outwardly between the feed-out rollers to evenly coat such material.
Description
,WITN SSE I. A. CARRIGAN. v AIIACHMEN-T FOR METAL COATING MACHINES. APPLICATION FILED AUG.3. I917; RENEWED APR. 2|, I920.
1,348,41 8.. Patented Aug. 3, 1920.
INVENTOR ATTORN EY UNETE artist osri ATTACHMENT FOR METAL-COATING MACHINES.
Specification of Letters Patent.
Patented Aug. 3, 1920.
Application filed August 3, 1917, Serial No. 184,348. Renewed April 21, 1920. Serial No. 375,653.
To all whom it may concern:
Be it known that 1, JOHN A. Cnnnronn, a citizen of the United States, residing at New Castle, in the county of Lawrence and State of Pennsylvania, have invented certain new and useful Improvements in Attachments for Metal-Coating Machines, of which-the following is a specification.
This invention relates to metal coating machines, and the invention has more special reference to novel sheet wiping means.
The invention has for its principal object to provide a wiping attachment for metal coating machines, whereby any surplus coating material remaining upon the sheet subsequent to the immersion thereof in the metal bath will be removed, thereby affording a smoothly surfaced and finished product and eliminating the waste of the coating material.
The invention also embodies means whereby the wiping attachment, which is rotatably mounted upon the galvanizing or tinning pot of the coating machine will be driven at a rate of speed slightly less than the speed of the rotary feed-out rollers, thus efficiently and constantly changing the wiping surface.
Among other aims and objects of the invention may be recited the provision of an attachment of the character mentioned with a view to compactness and in which the number of parts are few, the construction simple, the cost of production small, and efficiency and operation high.
All of the foregoing, together with additional advantageous details and arrangement of parts of the preferred embodiment of my invention will be clear from the specific description hereinafter contained, when read in connection withthe accompanying drawings forming a part thereof, wherein said embodiment of the invention is illustrated for the purpose of facilitating a full understanding of the present improvements.
In the drawings,
Figure 1 is a longitudinal section in elevation through a metal coating machine having my improved sheet-wiping attachment thereon; and i Fig. 2 is a side elevation of the machine showing the manner in which the wiping attachment is driven by the feed-out rollers of the machine.
Similar characters of reference are employed in all of the above described views to indicate corresponding parts.
Referring now more particularly to the several figures of the said drawings, I have shown by way of illustration the present improvements as applied to aform of metal coating machine now marketed, wherein the tin, spelter or other coating material is contained by a pot 1, which pet has arranged therein a plurality of guides, indicated by the numerals 2 and 3, the latter as will be noted being spaced from the former t0 perinit circulation of coating material'therethrough. To support the forward ends of the guide-ways 2, a strut 4: is arranged upon the bottom of the pot l and is adapted to receive the said guide ways thereupon. The
guide ways 8 are directed into the bite by a plurality of feed-out rollers 5 and 6, it being noted that two sets of the rollers are employed, namely, an upper set and a lower set. Thus, when the coated material is fed into the bite of the lower set, it will be fed upwardly into engagement with the upper set and then delivered onto a suitable sup port or receiving tray. The feed-out rollers 5 and 6 are journaled in bearings formed within the side walls of the pot l and have arranged upon certain of the ends thereof a plurality of meshing gears 7, these gears providing means whereby the feed-out rollers may be driven.
With more sp cial reference to the present improvements, there is provided a plurality of sets of wiping rollers 8 and 9, which rollers may be and preferably are formed from an absorbent material, such as asbestos, felt, or the like and have embedded therein a wire mesh rein-force, which, obviously, will maintain the same in proper condition. Slightly larger meshing gears 10 are arranged upon the endsof the supporting shafts of the wiping gears 8 and 9 adjacent the gears 7 and to connect the same with the said gears 7 whereby they may be driven at a rate of speed slightly less than the speed of the feed-out rollers 5 and 6, smaller gears 11 are in mesh with the several sets of the upper feed-out rollers-and the gears 10 of the wiping rollers. By this ar rangement, it will be understood that upon rotation of the feedout rollers, such motion will be necessarily imparted to the wiping rollers 8 and 9. However, due to their connection with the said feed-out rollers, the
wiping rollers will rotate at a slower rate of speed.
It will also be noted that the pot 1 is provided with an inner depending wall 1 which extends below the upper surface of the pot, as shown in Fig. 1. This wall 1' is in direct alinement with the stud 4:, although its lower end is spaced therefrom to provide a communication upon each side thereof. It will be noted that the guide ways are so provided that the upper guide way 2 communicates with its respective guide way 3 in such manner as to permit the coating liquid upon one side of the wall 1 to pass thereinto, although the lower guide way communicates with its respective guide way 3 upon the opposite side of the wall, thus causing the coating liquid in this side of the pot to be used, thus causing a thorough circulation and the equal using of the liquid. It will further be noted that the guide ways 2 and 3 taper gradually throughout their entire length toward the direction of the rollers, thus coating the sheet material which is being passed through the guide ways so that it will carefully engage the rollers. It will be noted that the guide ways 3 have their lower ends out turned as indicated at 3', preventing the hanging of the sheet material upon the ends of the guide Ways 3, owing to the out turned ends above specified being carried very near to the lower end of the guide way 2.
The operation of the construction may be reviewed as follows: A sheet of metal is fed into certain of the guideways 2 and is directed thereby downwardly into the metal bath. During movement of the sheet through the bath, it will be efliciently coated and fed upwardly by the remaining guideways 3 into the bite of the lower feed-out rollers 5 and 6. Should any surplus material remain upon the sides of the metal sheet, the same when engaged between the wiping rollers 8 and 9 will be removed and returned to the pot 1, whereupon the sheet will be then engaged with the upper feedout rollers and delivered onto the weighing tray or other receiving device. By r0- tating the rollers 8 and 9 at a rate of speed slightly less than the speed at which the feed-out rollers are rotated, it is evident that a slight drag will be imparted by the said rollers 8 and9 to the coated sheet, hence thoroughly and efliciently removing such surplus coating material as may remain upon the sides thereof. Furthermore, by rotating the rollers 8 and 9 a constantly changing wiping surface is afi'orded, thereby preventing the streaking or uneven wiping of the sheets and rendering a smoothly surfaced and finished product.
From the foregoing, it will be appreciated by workers in the art that I have provided a wiping attachment which embodies the necessary qualities incident to an attachment of this nature and will prevent extensive waste of coating material. Also, it is to be understood that the device may be equally well adapted upon any form of metal coating machines, irrespective of the fact that the same does not employ rotatable feed-out rollers, such as disclosed in amachine chosen for the present illustration.
As hereinbefore indicated, I do not wish to be understood as confining the invention to the particular embodiment chosen for illustration herein, nor to the exact construction, arrangement and adaptation of the,parts shown and described, but I re serve the right to make any changes and alterations that fairly fall within the spirit and scope of the invention.
hat I claim is:
1. In a device of the class described, the combination of a supporting means, pairs of feed-out rollers rotatably supported upon said supporting means, the rollers of each pair being contiguous to each other, while said pairs are spaced from each other, wiping rollers rotatably mounted upon said supporting means, said wiping rollers being interposed between pairs of the feed-out rollers, means for rotating the feed-out rollers at a uniform speed, and means for rotating the wiping rollers in the same direction as that of the feed out rollers and slower than the feed-out rollers, thus causing a sheet of metal to positively pass out between the feed out rollers and the wiping rollers.
2. In a device of the class described, the combination of a supporting means, pairs of feed-out rollers rotatably supported upon said supporting means, the rollers of each pair engaging each other under normal conditions, said pairs being spaced apart, wiping rollers rotatably supported upon said means and interposed between said feed-out rollers, meshing gears of uniform sizes connected to said feed-out rollers, enlarged gears connected to said wiping rollers, and gears so meshing with the gears of the feedout rollers and wiping rollers, as to cause the wiping rollers to rotate in the same direction as the feed-out rollers, but at a reduced speed, thus causing the wiping rollers to have a slight dragging action upon a sheet of material moved outwardly between the feed-out rollers to evenly coat such material.
In testimony whereof I afiix my signature in presence of two witnesses.
JOHN A. GARRIGAN.
\Vitnesses:
JAMES THOMPSON, JAMEs B. FREY.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US184348A US1348478A (en) | 1917-08-03 | 1917-08-03 | Attachment for metal-coating machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US184348A US1348478A (en) | 1917-08-03 | 1917-08-03 | Attachment for metal-coating machines |
Publications (1)
Publication Number | Publication Date |
---|---|
US1348478A true US1348478A (en) | 1920-08-03 |
Family
ID=22676517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US184348A Expired - Lifetime US1348478A (en) | 1917-08-03 | 1917-08-03 | Attachment for metal-coating machines |
Country Status (1)
Country | Link |
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US (1) | US1348478A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2875096A (en) * | 1955-08-19 | 1959-02-24 | Wheeling Steel Corp | Continuous hot dip galvanizing of metal strip |
US2906018A (en) * | 1953-03-12 | 1959-09-29 | Armco Steel Corp | Finishing machine and method for use in the hot dip metallic coating of steel strip, and coated strip |
-
1917
- 1917-08-03 US US184348A patent/US1348478A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2906018A (en) * | 1953-03-12 | 1959-09-29 | Armco Steel Corp | Finishing machine and method for use in the hot dip metallic coating of steel strip, and coated strip |
US2875096A (en) * | 1955-08-19 | 1959-02-24 | Wheeling Steel Corp | Continuous hot dip galvanizing of metal strip |
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