FIELD: machine building.
SUBSTANCE: seal is intended for fitting into bush or wall hole to make central bore for pipe in assembling the seal parts. Every said part is made up of two structural parts. Layer of swelling substance is arranged between said structural parts. Separation layers are made on inner side of said structural parts. Said layers are separated to adjust seall inner diameter to tube fitted there through.
EFFECT: reliable sealing of tube.
11 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FIRE-PROTECTION SLEEVE | 2013 |
|
RU2651920C2 |
| PIPE FITTING | 2013 |
|
RU2621429C2 |
| METAL CASING STRIP FOR FIRE COUPLING (VERSIONS) AND ASSEMBLY OF METAL CASING STRIP AND SECURING BRACKET (VERSIONS) | 2011 |
|
RU2550332C2 |
| FITTING FOR TIGHT JOINT AT PIPE END, SYSTEM WITH FITTING (VERSIONS), FITTING USE (VERSIONS) | 2009 |
|
RU2498146C2 |
| SYSTEM FOR PROVIDING FIRE SEAL IN OPENING IN WALL, CEILING OR FLOOR OF BUILDING, ELEMENT FOR FIRE SEAL SYSTEM AND BRIDGE FOR FIRE SEAL IN OPENING | 2017 |
|
RU2723076C1 |
| PIPE CLAMP | 2010 |
|
RU2534340C2 |
| FIREPROOF HERMETIC DOOR | 2021 |
|
RU2775385C1 |
| FIREPROOF PIPE SEAL | 2019 |
|
RU2732617C1 |
| WALL-MOUNTED PENETRATION FOR ROUTING CABLES, CABLE-PROTECTING PIPES AND OTHER WIRING | 2010 |
|
RU2453958C1 |
| FIRE CUFF | 2016 |
|
RU2738299C2 |
