A inert gas fills protection device for double skin duct

A inert gas fills protection device for double skin duct

The utility model discloses an inert gas fills protection device for double skin duct, its the side seal portion of aerifing and exhaust side sealing that includes the alternate segregation is aerifyd side seal portion and is equipped with and aerifys the hole, the exhaust side sealing is equipped w...

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Hauptverfasser: DU WENHAO, JIN XIAOYI, HUI WEISHAN, XU XIANTENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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creator DU WENHAO
JIN XIAOYI
HUI WEISHAN
XU XIANTENG
description The utility model discloses an inert gas fills protection device for double skin duct, its the side seal portion of aerifing and exhaust side sealing that includes the alternate segregation is aerifyd side seal portion and is equipped with and aerifys the hole, the exhaust side sealing is equipped with the exhaust hole, aerify side seal portion with the exhaust side sealing is flexible annular ring, along radially being equipped with an opening on the circle body of flexible annular ring. Compared with the prior art, the utility model discloses an inert gas fills protection device for double skin duct can effectively set up the interim airtight space of little volume, shortens the time of inflating to reduce the quantity of gas by a wide margin, improves the efficiency of construction, compression construction cost, and airtight effect can be guaranteed to hydrous water solubility adhesive tape, utilize the characteristics of silica gel material high elasticity high tenacity, can take out from the outer tube
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subjects CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
title A inert gas fills protection device for double skin duct
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