Flat welding flange with neck
The utility model discloses a flat welding flange with neck, contain a ring flange, be equipped with a welding boss on the hole of ring flange one side, be equipped with a hole in the welding boss, the hole is linked together with the hole at ring flange center, be equipped with an elastic ring betw...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a flat welding flange with neck, contain a ring flange, be equipped with a welding boss on the hole of ring flange one side, be equipped with a hole in the welding boss, the hole is linked together with the hole at ring flange center, be equipped with an elastic ring between ring flange and welding boss, two top surfaces of elastic ring bond with ring flange and welding boss respectively mutually, still be equipped with a plurality of screws on the ring flange, the screw uses the centre of a circle of ring flange to be the central symmetry distribution as the center, the ring flange is made by composite board, composite board is the polyethylene layer in proper order, rubber layer and PVC layer. This flat welding flange with neck's composite board for the ring flange makes, and panel is three layer construction, and the middle elastic rubber layer that be has still set up an elastic ring between ring flange and welding boss, and the rubber layer and the elastic ring of setting can |
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