PURPOSE: To simply drilledly provide a drilled hole for fastening a clamp fitting in an inorganic driven form for concrete construction, and moreover, to prevent the occurrence of the problem of dust or the like.
CONSTITUTION: In an inorganic driven form (1) for concrete construction made of fiber reinforced cement, sunk recess parts (4)... (4), (4A)... (4A) are provided on the side (3) coming into contact with placed concrete (2) at proper intervals along the directions of body length and width. In addition, a visible mark (6) within a range where the strength of the above inorganic driven form (1) is not injured is provided on the outside (5) of the above inorganic driven form (1) corresponding to the sunk recess parts (4)... (4), (4A)... (4A).
SHIROTA YOSHIFUMI
SUEOKA KAZUHISA
SANUKI IKUO
EGUCHI MASAAKI
SATO KOICHI
ISHIKAWA YASUYUKI
MATSUO TADASHI
TAKAKUWA TOMOYUKI
TERADA KENICHI
ANDO CONSTR
OKUMURA CORP
KUBOTA KK
KUMAGAI GUMI CO LTD
SATO KOGYO
ZENITAKA CORP