Electric heating – Metal heating – By arc
Patent
1975-11-06
1977-06-07
Truhe, J. V.
Electric heating
Metal heating
By arc
264 25, H05B 900
Patent
active
040285251
ABSTRACT:
A small hole may be formed in a wall of a flexible member or structure such as a tube of a thermoplastic material by an apparatus including a rotating wheel by a laser beam source directed towards the wheel, and rotating reflecting means for reflecting the beam from this source so as to direct the beam towards a specific area of the flexible member. Preferably the flexible member is held against a surface of the wheel as the beam is directed so as to engage only a single point on the surface of the flexible member.
REFERENCES:
patent: 3325819 (1967-06-01), Fraser
patent: 3562377 (1971-02-01), Zetzsche
patent: 3594261 (1971-07-01), Broerman
patent: 3612814 (1971-10-01), Houldcroft
patent: 3622742 (1971-11-01), Cohen et al.
patent: 3772496 (1973-11-01), Harenda-Harinxma
H. S. Silvus et al., "Precise Perforations Every Time", The Tool & Manufacturing Engineer, Nov. 1969, pp. 46-49.
R. B. Barber et al., "Some Novel Approaches in the Utilization of Lasers in Materials Processing", Record of the 10.sup.th Symposium on Electron, Ion, & Laser Beam-Tech., May 1969.
Mominee David E.
Vance Gilbert W.
Peterson Gordon L.
Reed Irrigation Systems
Shaw Clifford C.
Truhe J. V.
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