Metal deforming – By use of tool acting during relative rotation between tool... – With metal deformation of different type
Patent
1985-09-30
1987-06-23
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
With metal deformation of different type
72 69, 72420, B21F 4500
Patent
active
046743111
ABSTRACT:
A method and apparatus for automatic shaping and/or decoration of longitudinal members in modular units of preset size, such as wire, tube, flat strip or linked pressings, from which ultimately to fashion articles of jewelry in precious metal or articles of costume jewelry, featuring the following steps: two-point support, tensioning and guiding of a longitudinal member through and along its own longitudinal axis; shaping/decoration of a stretch of the longitudinal member lying between the supports, at points located in opposition either side of a longitudinal median plane; and linear and/or rotational movement of the longitudinal member along and/or about its own longitudinal axis relative to means which carry out such shaping or decoration.
REFERENCES:
patent: 415880 (1889-11-01), Patt
patent: 581459 (1897-04-01), Goddu
patent: 1386156 (1921-08-01), Butterfield
patent: 2160268 (1939-05-01), Hunter et al.
patent: 2431863 (1947-12-01), Clifford
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