P.C. Board lead trimming method

Details P.C. Board lead trimming method P.C. Board lead trimming method

1979-01-11

1980-12-30

Smith, Gary L.

Metal working

Method of mechanical manufacture

Electrical device making

51328, 51143, H05K 322

Patent

active

042414970

ABSTRACT:
A method and apparatus for trimming soldered printed circuit board component leads to a uniform finished height. The leads are pre-trimmed prior to soldering to an intermediate length long enough such that when inserted into the board the leads will possess a desired degree of mechanical security, while short enough to permit even abrasive trimming. A driven abrasive surface is passed across the soldered leads and the leads are then trimmed to a uniform finished height.

REFERENCES:
patent: 2486108 (1949-10-01), Brunel
patent: 2669075 (1954-02-01), Dreyfus
patent: 2706873 (1955-04-01), Gifford
patent: 2710500 (1955-06-01), Bolger
patent: 3063204 (1962-11-01), Baumgartner
patent: 3237282 (1966-03-01), Rieth
patent: 3271909 (1966-09-01), Rutt
patent: 3466732 (1969-09-01), Taylor
patent: 3593464 (1971-07-01), Bell
patent: 4127692 (1978-11-01), Boynton

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