Method and apparatus for producing registered multiple overlay a

Details Method and apparatus for producing registered multiple overlay a Method and apparatus for producing registered multiple overlay a

1986-07-07

1987-06-23

Stearns, Richard R.

Geometrical instruments

Gauge

Collocating

346 11, G01D 900, G01D 1528

Patent

active

046741917

ABSTRACT:
Pre-punched drafting sheets are placed in a pin registration bar and pin holes are marked or punched in the lower corners of the sheets at locations with fixed reference to the registration holes. The sheets are then loaded into a CAD pen plotter and the plotter is used to precisely locate and store the location of the 2 pin holes as the plot beginning and X-axis alignment points.

REFERENCES:
patent: 4015034 (1977-03-01), Smolen
patent: 4443949 (1984-04-01), Newton
patent: 4463673 (1984-08-01), Moore
patent: 4598298 (1986-07-01), Groenke et al.

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