Wireworking – Article making or forming – Bale ties
Patent
1985-12-09
1987-08-04
Larson, Lowell A.
Wireworking
Article making or forming
Bale ties
140140, 29419R, B21F 4516
Patent
active
046839186
ABSTRACT:
A method for producing baling wires having enlarged tips for tying bundled items such as reinforcing rods and bags in which enlargements are formed by melting the tips of the wire segments wherein a strip of continuous wire is advanced through a first melting zone in a substantially vertical position, the wire is then heated to its melting point to sever a segment of the wire therefrom causing an enlargement to be formed at the leading tip of the subsequent wire segment, successively heating, melting and severing individual wire segments and causing the formation of the enlargements at the leading edge of the next subsequent wire segment as the strip of wire advances through the first melting zone, successively rotating each individual wire segment at least substantially 180.degree. so as to again orient each respective wire segment in a substantially vertical position, thereafter advancing each individual wire segment through a second melting zone in its substantially vertical position and heating the opposite trailing edge of each such wire segment to its melting point to form an enlargement thereat. Due to the substantially vertical orientation of the wire segments during the heating and melting processes, it is possible to avoid detachment of the enlargement in a molten condition. Apparatus suitable for practicing the present method is also disclosed.
REFERENCES:
patent: 1833010 (1931-11-01), Willy
patent: 2050416 (1936-08-01), Blanchard
patent: 2068675 (1937-01-01), Heller
patent: 3476170 (1969-11-01), Christian et al.
patent: 3684474 (1972-08-01), Chisholm
patent: 3909583 (1975-09-01), Petro et al.
patent: 4256948 (1981-03-01), Wolf et al.
Herzog Albin
Maeder Rene
Gamper & Co. AG
Larson Lowell A.
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