Novel drain pipe

Novel drain pipe

The utility model discloses a novel drain pipe, which includes a smooth wall inner pipe layer and a corrugated wall outer pipe layer arranged outside the smooth wall inner pipe layer, wherein two ends of the smooth wall inner pipe layer and the corrugated wall outer pipe layer are fused to form a se...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GUO LIYU, CAO ZEBIAO, LIU DONGLI, WANG HONGXIA, YE QIANGYU, TAN RENMU, SHI CHANGMAN, YIN GUIQIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
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Beschreibung
Zusammenfassung:The utility model discloses a novel drain pipe, which includes a smooth wall inner pipe layer and a corrugated wall outer pipe layer arranged outside the smooth wall inner pipe layer, wherein two ends of the smooth wall inner pipe layer and the corrugated wall outer pipe layer are fused to form a seal head, and a middle air interlayer is arranged between the smooth wall inner pipe layer and the corrugated wall outer layer. The drain pipe provided by the utility model is reliable in sealed drain effect, has good heat preservation effect, avoids residual water, and prevents dirt accumulation and bacterial growth; and the drain pipe can be completed through the one-time composite extrusion process, the process is simple, and the manufacturing cost is low.