Metal working – Method of mechanical manufacture – Electrical device making
Patent
1992-06-26
1994-09-20
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29738, 295646, 295648, 83636, H01F 4102
Patent
active
053477065
ABSTRACT:
This method of making packets of amorphous metal strip adapted to be wrapped about the arbor of a transformer-core-making machine comprises providing first and second composite strips, each comprising many thin layers of amorphous metal strip stacked in superposed relationship. The composite strips have leading ends that are located in initial positions (i) axially spaced from each other at the start of a packet-making operation and (ii) at opposite ends of a stacking zone where the packets are built up during a packet-making operation. The composite strips are cut to detach first sections of strip from the first composite strip and to detach second sections of strip from the second composite strip; and the detached sections are axially advanced forwardly of the respective composite strips from which they are detached into said stacking zone. The second sections are stacked in alternating relationship upon the first sections in the stacking zone.
We utilize for advancing each of the first sections into the stacking zone first transport means that is moved in a first-strip forward direction during said advancing of each of the first sections and is returned to a home position in preparation for each succeeding advancing operation of a first section. For advancing each of the second sections into the stacking zone, we utilize second transport means that is moved in a second-strip forward direction during said advancing of each of the second sections and is returned to its own home position in preparation for each succeeding advancing operation of a second section.
Each of the second-section advancing operations is performed concurrently with return motion of the first transport means toward its home position, and each of the first-section advancing operations is performed concurrently with return motion of the second transport means toward its home position.
REFERENCES:
patent: 5050294 (1991-09-01), Ballard et al.
patent: 5063654 (1991-11-01), Klappert et al.
patent: 5093981 (1992-03-01), Ballard et al.
patent: 5191700 (1993-03-01), Klappert et al.
Freeman David R.
Klappert Willi
Freedman William
General Electric Company
Hall Carl E.
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