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| US4807653 | 30 janv. 1987 | 28 févr. 1989 | Wean Industries, Inc. | Continuous treating of a strip-like product |
| US5074130 | 9 oct. 1990 | 24 déc. 1991 | Passap Knitting Machines Inc. | Sealing unit for an inlet or outlet of a textile thread treatment apparatus |
| US5590549 | 13 avr. 1995 | 7 janv. 1997 | | Device for feeding into and withdrawing fabrics from an autoclave for continuous decatizing |
| US5658527 | 19 janv. 1996 | 19 août 1997 | Nisshin Steel Co., Ltd. | Method of detection and treatment of fires in seal means of comparted entrance and exit of furnace for continuous thermal treatment of metallic strips and the like |
| US5683651 | 19 janv. 1996 | 4 nov. 1997 | Nisshin Steel Co., Ltd. | Method and assembly for sealing up the entrance and exit of a heat-treating furnace operated in a gas atmosphere containing hydrogen gas |
| US5685088 | 7 févr. 1996 | 11 nov. 1997 | Nisshin Steel Co., Ltd. | Sealing apparatus for inlet/outlet of atmosphere facility |
| US5693288 | 13 févr. 1996 | 2 déc. 1997 | Nisshin Steel Co., Ltd. | Seal assembly for thermal treatment furnaces using an atmospheric gas containing hydrogen gas |
| US5769629 | 7 févr. 1996 | 23 juin 1998 | Nisshin Steel Co., Ltd. | Sealing apparatus for inlet/outlet of atmosphere heat treatment furnace |
| US5791656 | 6 août 1996 | 11 août 1998 | Nisshin Steel Co., Ltd. | Seal assembly for heat treatment furnaces using an atmospheric gas containing hydrogen gas |
| US5842855 | 16 oct. 1996 | 1 déc. 1998 | Nisshin Steel Co., Ltd. | Sealing apparatus for inlet/outlet of compartment of continuous heat treatment furnace, continuous vacuum evaporation facility or the like |
| US5866064 | 18 déc. 1996 | 2 févr. 1999 | Nisshin Steel Co., Ltd. | Sealing apparatus for compartment inlet/outlet of atmosphere facility |
