Waterproof manhole cover

The utility model discloses a waterproof manhole cover which comprises a manhole cover and a manhole base, wherein a waterproof layer is arranged on the external circumferential surface of the manhole cover and can be made of rubber waterstop, the rubber waterstop can be fixed on the external circum...

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Bibliographic Details
Main Authors PENG GUOBIN, GAN YUTAO, LUO XIUQUAN
Format Patent
LanguageChinese
English
Published 19.09.2012
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The utility model discloses a waterproof manhole cover which comprises a manhole cover and a manhole base, wherein a waterproof layer is arranged on the external circumferential surface of the manhole cover and can be made of rubber waterstop, the rubber waterstop can be fixed on the external circumferential surface of the manhole cover by adopting vulcanization bonding and cold adhesive bonding of an electric heating plate; and the rubber waterstop has good elasticity, and wear resistance, aging resistance, tearing resistance property and strong deformation adaption capability. The waterproof layer can be made of non-woven fabric which can be adhered to the external circumferential surface of the manhole cover by adopting adhesive, and the non-woven fabric has good strength, is breathable and waterproof, is light-weight and environment-friendly. The manhole cover can be swelled in time when in contacting with water so as to completely block off penetration of rainwater. An O-shaped seal ring is arranged on t
Bibliography:Application Number: CN2012263103U