Process for energy beam perforation, especially electron beam pe

Details Process for energy beam perforation, especially electron beam pe Process for energy beam perforation, especially electron beam pe

1975-10-01

1977-07-26

Truhe, J. V.

Electric heating

Metal heating

By arc

219121LM, 428137, B23K 1500

Patent

active

040385132

ABSTRACT:
A process for the energy beam perforation of multi-layered artificial leather, which has an essentially impervious top layer and a support layer which is pervious to gas, wherein perforation is carried out with the support layer turned towards the beam.

REFERENCES:
patent: 1787487 (1931-01-01), Masuda
patent: 3215552 (1965-11-01), Halcomb et al.
patent: 3253598 (1966-05-01), Spanel
patent: 3371190 (1968-02-01), Meyer
patent: 3594261 (1971-07-01), Broerman

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