AT33446B - Galvanizing device with lead and zinc bath. - Google Patents
Galvanizing device with lead and zinc bath.Info
- Publication number
- AT33446B AT33446B AT33446DA AT33446B AT 33446 B AT33446 B AT 33446B AT 33446D A AT33446D A AT 33446DA AT 33446 B AT33446 B AT 33446B
- Authority
- AT
- Austria
- Prior art keywords
- zinc
- lead
- zinc bath
- bath
- galvanizing device
- Prior art date
Links
Landscapes
- Coating With Molten Metal (AREA)
Description
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hervortretenden Bleche tritt. Das dem Bleche anhaftende, flüssige Zink kommt hiedurch zur Erstarrung, bevor es genügend Zeit gehabt hat, abzufliessen. Der Zinkbelag fällt infolgedessen zu dick aus, was bei geringwertigen Dachblechen zu teuer wird.
Um diesen Übelstand zu verhüten, sind im Zinkbad zwei verschiebbare Zwischen- wände 11, beispielsweise aus feuerfesten Ziegeln, angeordnet. Diese Zwischenwände. ragen einige Zoll aus dem Zinkbade hervor, so dass ein warmes Luftlager zwischen ihnen gebildet wird, wodurch ein zu rasches Abkühlen des geschmolzenen Zinkes verhindert wird.
Je näher diese Zwischenwände an das Blech herangeführt werden, desto dünner wird der Zinkbelag. Dies geht jedoch nur bis zu einer bestimmten Grenze, denn wenn die Wände zu nahe aneinander herankommen, hindern dieselben das herabfliessende abgekühlte Zink, sich mit dem heissen Zinkbad zu vermischen, wodurch ein dickerer Zink-belag, gebildet würde.
Da diese günstigste Entfernung teils von der Dicke des Bleches, teils von der Temperatur des Zinkbades und der Luft sowie von der Geschwindigkeit der Bewegung abhängig ist, so ist
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struktion mit der endlosen Kette. Ein weiterer Grund, die Zwischenwände verstellbar zu machen, ist der Umstand, dass man für verschiedene Zwecke verschieden dicken Zinkbelag wünscht.
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protruding sheet metal occurs. The liquid zinc adhering to the sheet solidifies before it has had enough time to flow off. As a result, the zinc coating is too thick, which is too expensive for low-quality roofing sheets.
In order to prevent this inconvenience, two movable partition walls 11, for example made of refractory bricks, are arranged in the zinc bath. These partitions. protrude a few inches from the zinc bath so that a warm air layer is formed between them, preventing the molten zinc from cooling too quickly.
The closer these partitions are brought to the sheet metal, the thinner the zinc coating becomes. However, this only works up to a certain limit, because if the walls come too close to one another, they prevent the cooled zinc flowing down from mixing with the hot zinc bath, whereby a thicker zinc coating would be formed.
Since this most favorable distance depends partly on the thickness of the sheet, partly on the temperature of the zinc bath and the air, and on the speed of movement, so is
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construction with the endless chain. Another reason to make the partition walls adjustable is the fact that you want zinc covering of different thicknesses for different purposes.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT33446T | 1907-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT33446B true AT33446B (en) | 1908-06-25 |
Family
ID=3549121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT33446D AT33446B (en) | 1907-05-08 | 1907-05-08 | Galvanizing device with lead and zinc bath. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT33446B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004018245U1 (en) | 2004-11-24 | 2005-07-07 | Riesinger, Birgit | Drainage device for treating wounds using reduced pressure has absorption body with layer(s) of textile section enriched with super-absorbents enclosed by liquid transmissive sleeve; absorbed wound secretions remain in absorption body |
-
1907
- 1907-05-08 AT AT33446D patent/AT33446B/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004018245U1 (en) | 2004-11-24 | 2005-07-07 | Riesinger, Birgit | Drainage device for treating wounds using reduced pressure has absorption body with layer(s) of textile section enriched with super-absorbents enclosed by liquid transmissive sleeve; absorbed wound secretions remain in absorption body |
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