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THIN WALL SAP COLLECTING DEVICE
专利权人:
Martin Côté
发明人:
Martin Côté,Léandre Vachon
申请号:
US13345373
公开号:
US20130174478A1
申请日:
2012.01.06
申请国别(地区):
US
年份:
2013
代理人:
摘要:
The device is provided for collecting sap from a tapped hole of a tree. It includes a collector having a substantially frustoconical outer peripheral wall surface and an inner peripheral wall surface. The collector also has a portion that is removably insertable into the tapped hole with a frictional engagement. The material between the peripheral wall surfaces at the removably-insertable collector portion is elastically and temporality deformable in response to a peripheral pressure exerted inwardly on the outer peripheral wall surface when the removably-insertable collector portion is inserted with a forced frictional fit into the tapped hole.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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