Electric heating – Metal heating – By arc
Patent
1985-09-10
1988-02-16
Paschall, M. H.
Electric heating
Metal heating
By arc
219121LM, 219121LU, 219121L, 350 6, B23K 2600
Patent
active
047257091
ABSTRACT:
An apparatus for non-contacting modification of the surface of an article such as for labeling a glass article, characterized by a laser beam, a sweep device for deflecting the laser beam as a swept beam in a given path, a deflection device separate from the sweep device for deflecting the swept beam in a desired path for forming a label on the surface of the article. Due to the separation of the deflection device and sweep device, the sweep device can be constructed as small as possible with a low moment of inertia for the movable parts to enable obtaining significantly higher sweep frequencies. As a result, a high sweep frequency, preferably in amounts of at least 500 Hz, can be obtained and a sharp edge erosion without macroscopic splintering is guaranteed during the labeling of a glass article with the apparatus.
REFERENCES:
patent: 3848104 (1974-11-01), Locke
patent: 3920951 (1975-11-01), Chovan et al.
patent: 3965327 (1976-06-01), Ehlscheid et al.
patent: 4177372 (1979-12-01), Kotera et al.
patent: 4480169 (1984-10-01), Macken
patent: 4539481 (1985-09-01), Troukens et al.
patent: 4564739 (1986-01-01), Mattelin
Paschall M. H.
Siemens Aktiengesellschaft
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