Printing – Special article machines – Bed and platen
Patent
1993-05-07
1994-05-03
Burr, Edgar S.
Printing
Special article machines
Bed and platen
101126, 1014071, 118301, B05D 132
Patent
active
053077407
ABSTRACT:
A marking apparatus for providing desired marks such as characters, symbols, graphics, etc. on surfaces of contact lenses in a standardized manner. The marking apparatus includes a main shaft rotatable about an axis and a screen support mounted on the main shaft so as to be rotated therewith. The screen support has a plurality of marking holes provided at equal intervals around a circumference thereof and a screen is stretched across the support. The screen includes patterns associated with the desired mark which are provided in correspondence with the marking holes. A bracket is mounted on the main shaft under the screen support so as to be rotated with the main shaft. A plurality of supporters are supported by the bracket and function to individually support lens beds on which the lenses are respectively disposed. The supporters are movable up and down between a position where the respective contact lenses mounted on the lens beds are brought into contact with corresponding patterns of the screen and a displaced position where the contact lenses can be mounted on or removed from the supporters. Finally, an injector placed above the screen support applies a print solution to the screen stretched in the corresponding one of the marking holes of the screen support.
REFERENCES:
patent: 3854398 (1974-12-01), Martin
patent: 4269874 (1981-05-01), Pryor et al.
patent: 4457761 (1984-07-01), Sliger
patent: 4478142 (1984-10-01), Santorineos
patent: 4696228 (1987-09-01), David et al.
patent: 4872405 (1989-10-01), Sterman
Kosaka Chikai
Miyamura Kazuya
Yamamoto Yasuyoshi
Burr Edgar S.
Funk Stephen R.
Menicon Co. Ltd.
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