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Light weight needle construction for delivering twine in a large square baler
专利权人:
DEERE & COMPANY
发明人:
Demulder Carl F.,McCunn Gregory S.
申请号:
US201414539348
公开号:
US9936646(B2)
申请日:
2014.11.12
申请国别(地区):
美国
年份:
2018
代理人:
摘要:
A twine delivery needle is constructed so as to include metal tip and mounting base sections or regions joined together by a relatively light weight central section having a composite structural sandwich construction comprising a low-density rigid foam core encased within a thin, high strength, skin or covering comprised of plies of woven and substantially continuous fibers disposed within a hardened matrix resin material.
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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