Metal deforming – With use of optical or transparent means
Patent
1994-06-09
1996-04-02
Larson, Lowell A.
Metal deforming
With use of optical or transparent means
72319, 72320, 72420, B21D 504
Patent
active
055029930
ABSTRACT:
Apparatus for bending a lithographic plate having an image thereon, comprising an inspection system for (a) inspecting a plate held on a table at an inspection station, (b) determining the extent to which the plate needs to be adjusted relative to a predetermined reference position, and (c) generating a signal indicative of any such adjustment. A first positioning mechanism responsive to the signal automatically moves the table to position a plate on the table for a bending operation. The apparatus also includes a bending mechanism for bending a plate on the table when the plate is positioned for a bending operation, and a control system for selectively operating said apparatus in either an inspection mode of operation in which the inspection system and the first positioning mechanism are operable to inspect the plate on the table and then to move the table to position the plate for said bending operation, or in an inspection bypass mode of operation in which a second positioning mechanism is adapted to position the plate for a bending operation without prior inspection of the plate.
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patent: 3786666 (1974-01-01), York, Jr.
patent: 4365500 (1982-12-01), Klukow
patent: 4594868 (1986-06-01), Takeuchi et al.
patent: 5007264 (1991-04-01), Haack
patent: 5193690 (1993-03-01), Powers et al.
patent: 5255607 (1993-10-01), Nishiyama et al.
K&F Printing Systems Int'l, Vision Bender, 1993, brochure, admitted as prior art.
Tech Management, POSTPress, "K&F Printing Systems", News, Inc., Jun. 1993, p. 58, admitted as prior art.
K&F Printing Systems Int'l, In-Line Vision Punch Bender, undated, brochure, admitted as prior art.
"LA Times Purchases Six K&F In-Line Binders", Newspapers & Technology, Jun. 1993, admitted as prior art.
McMasters Kelly T.
Powers John W.
Gurley Donald M.
Larson Lowell A.
Western Litho Plate & Supply Co.
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