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Device And System For Excavating And Backfilling Soil
专利权人:
Rigoberto Hernandez
发明人:
Rigoberto Hernandez
申请号:
US13215570
公开号:
US20120047778A1
申请日:
2011.08.23
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A trench edging member to be placed adjacent a trench or hole in the ground is designed to retain the soil removed from the trench, not destroy the landscape beneath the device, and enable an individual to readily replace the soil back into the trench or hole. A plurality of these devices can be placed adjacent each other so that a long trench can be dug filled with the required equipment or utilities, and the soil replaced back into the trench. The material employed for the device is formed into an undulating or wavy pattern when viewed in cross section. This enables a plurality of the devices to be nested or stacked atop one another for storage and/or transportation. The undulations also add rigidity to the device without adding weight to the device.
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中国工程科技知识中心
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