Method for making colored
Abstract
Abstract A METHOD OF PRODUCING COLORED CONTOURED REPLICAS BY EFFECTING A NUMBER OF PHOTOGRAPHIC STEPS OF A SUBJECT CONTOURED SURFACE, MAKING A NUMBER OF MOLDS COMPLEMENTARY TO THE SURFACE OF THE SUBJECT CONTOURED SURFACE, MAKING A NUMBER OF DRAW-DOWN IMPRESSIONS ON PLASTIC SHEET MATERIAL OF THE SUBJECT CONTOURED SURFACE AND THE COMPLEMENTARY MOLD STRUCTURE AND THEREAFTER PRODUCING REPLICAS OF THE CONTOURED SURFACE ON PLASTIC SHEET MATERIAL BY EFFECTING A NUMBER OF STILL OTHER PHOTOGRAPHIC PROCESSES. A DRAW-DOWN CHAMBER IS PROVIDED FOR EFFECTING DRAW-DOWN IMPRESSIONS ON PLASTIC SHEET MATERIAL AGAINST THE CONTOURED SURFACES OF THE MOLDS BY CREATING A VACUUM BETWEEN THE PLASTIC SHEET MATERIAL AND THE UPPER SURFACE OF THE MOLDS, HEATING THE PLASTIC SHEET MATERIAL AND APPLYING PRESSURE TO THE UPPER SURFACE THEREOF TO EFFECTIVELY PRESS THE HEATED PLASTIC SHEET MATERIAL AGAINST THE CONTOURED SURFACE OF THE MOLDS. A VACUUM FRAME MEANS IS PROVIDED FOR BRINGING TWO DRAWN-DOWN SHEETS OF PLASTIC MATERIAL INTO COMPLETE REGISTRATION CONTACT WITH EACH OTHER BY EXHAUSTING THE AIR THEREBETWEEN TO CREATE A VACUUM. THE VACUUM FRAME MEANS IS UTILIZED TO BRING TWO SHEETS OF PLASTIC MATERIAL INTO COMPLETE CONTACT WITH EACH OTHER IN CERTAIN OF THE PHOTOGRAPHIC STEPS TO PRODUCE THE FINISHED PRODUCT OF THE CONTOURED REPLICA.
Inventors
- 👤 W Burrows
Bibliographic Details
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