FORMING METHOD FOR FIXING SPOT OF PC STEEL WIRE ON END PLATE FOR CONCRETE PILE

PURPOSE:To obtain the fixing spot of great strength, by punching the bottom wall of a hollow section, after sections for setting facing slots are locally pressed to respectively form the head-loose section of a PC steel wire on the front side, a columnar hollow section on the center, and a convex se...

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Bibliographische Detailangaben
1. Verfasser:	ENDO TATEO
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDING MATERIALS EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING STRUCTURAL ELEMENTS UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain the fixing spot of great strength, by punching the bottom wall of a hollow section, after sections for setting facing slots are locally pressed to respectively form the head-loose section of a PC steel wire on the front side, a columnar hollow section on the center, and a convex section on the rear side. CONSTITUTION:After an end plate 1 is mounted on a lower mold 2, an upper mold 3 is moved down from the front side, and sections corresponding with a taping slot 5, a facing slot 6, and a both-slot-connecting slot 14 are pressed. In this case, the section of the facing slot 6 corresponding with a penetrating slot 7 is locally and strongly pressed. A facing 8 and a hollow section 9 are formed, and on the front side a convex section 10 for setting a bottom surface 13 to be a plane a on the rear side. Then, after the tapping slot 5, the penetrating slot 7 of the facing slot 6, and the both-slot-connecting slot 14 are punched and formed,the tapping slot 5 is tap-processed to form a fixing spot.