Claims
- 1. An acid pickling device for acid pickling a strip plate by causing the strip plate to travel in an acid pickling tank filled with an acid liquid, comprising:an immersion guide roll for guiding the strip plate while the strip plate travels in the acid pickling tank, said immersion guide roll being provided on the acid pickling tank lid; a skid for guiding the strip plate while the strip plate travels in the acid pickling tank, said skid being provided on a support block installed at a bottom of the acid pickling tank; and an acid pickling tank lid for covering a top of the acid pickling tank, a central part of the acid pickling tank lid being located at a lower position than a liquid level of the acid liquid in the acid pickling tank such that the lid covers a free surface of the acid liquid, wherein the support block is provided with a bottom plate positioned below the skid and extends along a direction of travel of the strip plate.
- 2. The acid pickling device of claim 1, wherein a plurality of the immersion guide rolls and a plurality of skids are provided, with predetermined spacing, in a direction of travel of the strip plate, and communication holes for the acid liquid are provided in the support blocks that support the skids.
- 3. An acid pickling device for acid pickling a strip plate by causing the strip plate to travel in an acid pickling tank filled with an acid liquid, comprising:a plurality of immersion guide rolls for guiding the strip plate while the strip plate travels in the acid pickling tank, said immersion guide rolls being provided on the acid pickling tank lid, with a predetermined spacing, in a direction of travel of the strip plate; a plurality of the skids for guiding the strip plate while the strip plate travels in the acid pickling tank, said skids being provided, with the predetermined spacing, in the direction of travel of the strip plate; and an acid pickling tank lid for covering a top of the acid pickling tank, a central part of the acid pickling tank lid being located at a lower position than a liquid level of the acid liquid in the acid pickling tank such that the lid covers a free surface of the acid liquid, wherein the support block is provided with a bottom plate positioned below the skid and extends along a direction of travel of the strip plate, and wherein the support block is provided with a bottom plate positioned below the skids and extending along the direction of travel of the strip plate, and the bottom plate is provided with acid liquid passages each located between the adjacent skids.
- 4. The acid pickling device of claim 3, wherein the acid liquid passages are each provided between the adjacent skids and upstream in the direction of travel of the strip plate.
Priority Claims (1)
Number |
Date |
Country |
Kind |
10-59306 |
Mar 1998 |
JP |
|
Parent Case Info
This application is the national phase under 35 U.S.C. §371 of PCT International Application No. PCT/JP99/01059 which has an International filing date of Mar. 5, 1999, which designated the United States of America.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
PCT/JP99/01059 |
|
WO |
00 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO99/46426 |
9/16/1999 |
WO |
A |
US Referenced Citations (7)
Foreign Referenced Citations (10)
Number |
Date |
Country |
3000408 |
Jul 1981 |
DE |
058216 |
Aug 1982 |
EP |
0795629 |
Sep 1997 |
EP |
2680181 |
Feb 1993 |
FR |
50-37612 |
Dec 1975 |
JP |
2-133589 |
May 1990 |
JP |
2133589 |
May 1990 |
JP |
5 78870 |
Mar 1993 |
JP |
08176868 |
Jul 1996 |
JP |
88 01657 |
Mar 1988 |
WO |