Apparatus and method for cutting multiple lamp outlines from ele

Details Apparatus and method for cutting multiple lamp outlines from ele Apparatus and method for cutting multiple lamp outlines from ele

1987-11-09

1989-08-15

Schran, Donald R.

Cutting

Processes

Plural cutting steps

83 50, 83862, 83256, 83865, 83 42, B26D 520, B26D 900

Patent

active

048563927

ABSTRACT:
The invention involves moving a strip of electroluminescent material past a shear in successive increments each equal to the length of a lamp outline to be cut from the strip. The shear is actuated after each incremental advance to cut a blank having a first dimension equal to the desired length of the lamp outline and a second dimension equal to the strip width, which is a multiple of the desired width of the lamp outline. The blank is then advanced past a punch and die in successive increments equal to the width of the lamp outline to be cut. The punch is actuated after each incremental advance to cut across or transverse to the second dimension to form lamp outlines having the desired length and width. The punch and die are configured to simultaneously cut a straight side of a lamp outline advanced past the punch and a straight side having a projecting electrical tab of an adjacent lamp outline behind the punch. A lamp outline is thus cut by first and second incremental advances with the punch actuated after each incremental advance.

REFERENCES:
patent: 3232155 (1966-02-01), Davis
patent: 3316811 (1967-05-01), Friedman et al.
patent: 3688619 (1972-09-01), Yabuta
patent: 4043231 (1977-08-01), Friedberg
patent: 4341135 (1982-07-01), Ufermann et al.
patent: 4641555 (1987-02-01), Johnson et al.

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