Wireworking – Joining wire
Patent
1987-05-07
1988-12-06
Larson, Lowell A.
Wireworking
Joining wire
29783, 425123, B21F 1500
Patent
active
047890100
ABSTRACT:
The invention relates to an apparatus for producing reinforcements, intended for construction purposes, of reinforced concrete plates for prefabricated ceilings, without manual aid. The apparatus comprises a straightening and cutting device 1 for the transverse rods 22 of the reinforcement having a transverse rod outlet path 4, a displacement apparatus 46 and a transverse rod magazine 7; a straightening, cutting and bending device 2 for the longitudinal rods 23 having a longitudinal rod outlet path 5; and a combination device 3 for producing the lattice girders 24, having a lattice girder outlet path 6 and a lattice girder magazine 8. With the aid of the transverse rod magazine 7 and two insertion robots 9 and 10 that are displaceable on rails 67, the reinforcement can be inserted and positioned under electronic control into the form 18 that is arranged on a pallet 15 and is moved through the apparatus on a travel path 13. A slip-on device 29 serving to slip spacers 30 onto the transverse rods 22 is disposed between the straightening and cutting device 1 and the transverse rod outlet path 4. The entire reinforcement is made from round wires and bands of structural steel wound into rings.
REFERENCES:
patent: 3530634 (1970-09-01), Adams
patent: 3555131 (1971-01-01), Weismann
patent: 4098562 (1978-07-01), Levin
Orth Wilhelm
Reymann Wolfgang
Larson Lowell A.
Losch Manfred
Reymann Wolfgang
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