Title:
PLASTIC TUNNEL CULTIVATION FRAME AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2006/132190
Kind Code:
A1
Abstract:
An agricultural plastic tunnel cultivation frame which is an arcuate frame comprising a long member containing fiber-reinforced synthetic resin and consisting of a bent portion and a body portion, characterized in that the cross-section of the bent portion is different from that of the body portion and the ratio [Rm/Rf] of the rigidity (Rm) of the body portion and the rigidity (Rf) of the bent portion is 2.0-4.0. A method for producing a frame having a cross-section of three-layer structure forming an arch by a ceiling portion, a bent portion, an erected portion and an underground buried portion, and a plastic tunnel cultivation frame made of fiber-reinforced resin and capable of forming an inverted U-shaped tunnel are also provided.
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Inventors:
IRIE YOSHIKI (JP)
FUKUHARA JUN (JP)
IWATA TATSUMI (JP)
FUKUHARA JUN (JP)
IWATA TATSUMI (JP)
Application Number:
PCT/JP2006/311244
Publication Date:
December 14, 2006
Filing Date:
June 05, 2006
Export Citation:
Assignee:
UBE NITTO KASEI CO (JP)
IRIE YOSHIKI (JP)
FUKUHARA JUN (JP)
IWATA TATSUMI (JP)
IRIE YOSHIKI (JP)
FUKUHARA JUN (JP)
IWATA TATSUMI (JP)
International Classes:
A01G13/02; B29C48/09; B29C48/12; B29C48/91; B29C69/00; B29C48/13; B29C48/151
Foreign References:
| JPH1156125A | 1999-03-02 |
Attorney, Agent or Firm:
Ohtani, Tamotsu (Bridgestone Toranomon Bldg. 6F. 25-2,
Toranomon 3-chome, Minato-k, Tokyo 01, JP)
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