Wall-penetrating water seal screw rod

The utility model provides a wall-penetrating water seal screw rod, which has the advantages that the water seal effect is good, and the bearing capacity of a fixed template is large. The wall-penetrating water seal screw rod comprises a sleeve pipe with a depressed part in the middle, internal thre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HAN ZHANPING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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Beschreibung
Zusammenfassung:	The utility model provides a wall-penetrating water seal screw rod, which has the advantages that the water seal effect is good, and the bearing capacity of a fixed template is large. The wall-penetrating water seal screw rod comprises a sleeve pipe with a depressed part in the middle, internal threads formed at the two ends of the sleeve pipe, a perforated water seal sheet and two sleeve heads positioned at the two ends of the sleeve pipe, wherein the water seal sheet is arranged on the sleeve pipe close to the depressed part. The quantity of the internal threads is nine or more; and each thread has certain inclination.