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Class Information
Number: 266/117
Name: Metallurgical apparatus > Having means for contacting a solid metalliferous material or metal object with a liquid > With means to prevent warping of treated object
Description: Device including means for constraining the object being treated to prevent any unwanted deformation thereof which might result from the liquid contact.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7374624 |
Vertical plate dip quench |
May. 20, 2008 |
| 7250133 |
Device for use when hardening |
Jul. 31, 2007 |
| 6328829 |
Constrained hardening method and apparatus for deformed bar workpieces |
Dec. 11, 2001 |
| 6048418 |
Ring forming apparatus and heat treating process |
Apr. 11, 2000 |
| 5792418 |
Process and device for preventing nonparallelism in beam sections |
Aug. 11, 1998 |
| 5667603 |
Hardening process and apparatus for holed flat parts |
Sep. 16, 1997 |
| 5626693 |
Method and apparatus for quenching a tubular workpiece |
May. 6, 1997 |
| 5492308 |
Constrained quenching apparatus and heat treatment apparatus |
Feb. 20, 1996 |
| 5452882 |
Apparatus for quenching metallic ring-shaped workpieces |
Sep. 26, 1995 |
| 5401006 |
Quench press |
Mar. 28, 1995 |
| 5316269 |
Leaf spring constraining apparatus |
May. 31, 1994 |
| 4923529 |
Equipment for continuous heat treatment of tungsten filaments wound on molybdenum cores |
May. 8, 1990 |
| 4848753 |
Apparatus for the inner and outer quenching of tubular pieces |
Jul. 18, 1989 |
| 4834344 |
Apparatus for inside-outside tube quenching |
May. 30, 1989 |
| 4826138 |
Apparatus for heat treating steel plates |
May. 2, 1989 |
| 4803037 |
Pipe quenching apparatus |
Feb. 7, 1989 |
| 4611789 |
Apparatus for the production of improved railway rails by accelerated cooling in line with the production rolling mill |
Sep. 16, 1986 |
| 4592537 |
Apparatus for heat treating and sizing thin walled articles |
Jun. 3, 1986 |
| 4575052 |
Apparatus for continuously quenching a steel plate |
Mar. 11, 1986 |
| 4575054 |
Apparatus for quenching steel pipes |
Mar. 11, 1986 |
| 4573667 |
Apparatus for quenching substantially flat workpieces |
Mar. 4, 1986 |
| 4461462 |
Apparatus for cooling steel pipe |
Jul. 24, 1984 |
| 4458885 |
Quenching apparatus for steel pipes |
Jul. 10, 1984 |
| 4444376 |
Multi-pipe type quenching apparatus |
Apr. 24, 1984 |
| 4444604 |
Method of preventing distortion of a heated workpiece during cooling |
Apr. 24, 1984 |
| 4415143 |
Continuous hardening device of steel plate |
Nov. 15, 1983 |
| 4371149 |
Apparatus for cooling sheet steel by water spraying |
Feb. 1, 1983 |
| 4336924 |
Apparatus for quenching heated workpieces |
Jun. 29, 1982 |
| 4298188 |
Machines for cooling metal sheets or like products |
Nov. 3, 1981 |
| 4203579 |
Installation for tempering long cylindrical pieces in form and in thin layer |
May. 20, 1980 |
| 4149703 |
Apparatus for quenching a heated metal plate |
Apr. 17, 1979 |
| 4132393 |
Apparatus for cooling hot steel plate and sheet |
Jan. 2, 1979 |
| 4079919 |
Water spray quench process and apparatus |
Mar. 21, 1978 |
| 4057230 |
Die quench machine and method |
Nov. 8, 1977 |
| 4042227 |
Method and apparatus for continuously homogenizing and quenching aluminum billets |
Aug. 16, 1977 |
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