Printing apparatus and method for spark plug insulator

Details Printing apparatus and method for spark plug insulator Printing apparatus and method for spark plug insulator

2005-07-12

2005-07-12

Edwards, Laura (Department: 1734)

Coating apparatus

With printing

C118S211000, C118S212000, C118S261000, C101S038100, C101S150000, C101S154000, C101S155000, C101S157000

Reexamination Certificate

active

06915759

ABSTRACT:
An object of the present invention is to disclose an apparatus and method for printing a spark plug, wherein an excellent print quality is obtained and maintained. The printing apparatus comprises: a marking roller for forming an ink film on an intaglio on itself; a transfer roller for transferring the ink film from the intaglio to the spark plug insulator; an ink supply nozzle for supplying the intaglio with the printing ink; and a doctor blade for scratching a surplus ink which does not contribute to form the ink film. the concave depth of the intaglio is made to be between 15 μm and 20 μm, both inclusive, thereby optimizing the ink drying.

REFERENCES:
patent: 4640188 (1987-02-01), Cosson et al.
patent: 4885992 (1989-12-01), Duce
patent: 5373783 (1994-12-01), Perry et al.
patent: 5671678 (1997-09-01), Bolte et al.
patent: 6111345 (2000-08-01), Shibata et al.
patent: 59-179347 (1984-10-01), None
patent: 64-004275 (1989-01-01), None
patent: 11-111423 (1999-04-01), None
patent: 2002-178654 (2002-06-01), None

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