TWISTING MACHINE FOR TWISTING THREAD-LIKE ELEMENTS AND TYING STRUCTURAL ELEMENTS

The invention is a twisting machine (1), particularly suitable for tying together two or more metal reinforcing bars (A) for concrete by means of a wire (B). The twisting machine (1) comprises: a pair of pincers (2) for twisting and cutting off the wire (B); an unwinding device (5) comprising a reel...

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Bibliographische Detailangaben
1. Verfasser:	DE ROSSI, Giuseppe
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CONVEYING FIXED CONSTRUCTIONS FORMS HAND TOOLS HANDLING BUILDING MATERIALS ON THE SITE HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS MANIPULATORS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PACKING PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS PUNCHING METAL REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING STORING TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING UNPACKING WORKING OR PROCESSING OF METAL WIRE
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Beschreibung
Zusammenfassung:	The invention is a twisting machine (1), particularly suitable for tying together two or more metal reinforcing bars (A) for concrete by means of a wire (B). The twisting machine (1) comprises: a pair of pincers (2) for twisting and cutting off the wire (B); an unwinding device (5) comprising a reel (40) supporting a hank (C) of wire (B); guiding means (7) suited to guide the wire (B) that is unwound by the pincers (2) along the pincers (2) and through the jaws (4); a tensile spring (8) which slidingly accommodates the wire (B) and connects the guiding means (7) of the wire (B) to the unwinding device (5). When the jaws (4) are closed, a displacement of the pincers (2) stretches the tensile spring (8) and the wire (B) inside it, which is unwound from the hank (C), and when the tensile spring (8) shortens and the jaws (4) are opened a piece of wire (B) whose length corresponds to the shortening of the tensile spring (8) projects from the jaws (4).