Title:
PLANKING
Document Type and Number:
Japanese Patent JP2584604
Kind Code:
B2
Abstract:
PURPOSE: To provide a planking in which a difference in steps is hardly caused when a vehicle passes.
CONSTITUTION: A first slope plate 21 and a second slope plate 22 are in pentagon shape on their planes and have a first connection section and a second connection section which are fitted into a connection section of an intermediate plate 11 which is hexagon on its plane on two adjacent sides 31a, 31b. A third slope plate 23 and a fourth slope plate 24 form substantially projection shape on their planes and have a first connection section and a second connection section which are fitted into the connection section of the intermediate plate 11 on three adjacent sides 71a-71c. An inclined surface section 41 having a downgrade is formed on the slope plates 21 to 24 from their centers toward riding over ends.
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Inventors:
MURAKAMI TETSUYA
YAMAGUCHI HIDETOSHI
YAMAGUCHI HIDETOSHI
Application Number:
JP2019295A
Publication Date:
February 26, 1997
Filing Date:
February 08, 1995
Export Citation:
Assignee:
GIFU PLASTIC IND CO LTD
International Classes:
E01C5/20; E01C9/08; (IPC1-7): E01C9/08; E01C5/20
Attorney, Agent or Firm:
Hironobu Onda