Inventor
HASEGAWA SHINZO
3 patents
Patents
3 patentsUS3993419ANov 23, 1976
Apparatus for tensioning reinforcement in a concrete pole mold
NIPPON CONCRETE IND CO LTD7 citations70
US3951578AApr 20, 1976
Apparatus for automatically adjusting center-height of a mold and the like used for manufacturing concrete pipes
NIPPON CONCRETE IND CO LTD3 citations59
US3989221ANov 2, 1976
Form structure for use in the making of columnar or the like concrete products
NIPPON CONCRETE IND CO LTD5 citations53