Glass tube cutting

Details Glass tube cutting Glass tube cutting

1975-05-13

1977-08-30

Yost, Frank T.

Severing by tearing or breaking

Methods

With preliminary weakening

219121L, 219121LM, 225 935, B26F 314, C03B 3306

Patent

active

040449360

ABSTRACT:
Apparatus for cutting glass tubing transverse to its length comprises a laser, an optical system for directing the laser along a full circumferential line around the tubing without rotating the tubing and means for forming a point of weakness on the circumferential line so that the stress generated by the laser beam causes the tube to be cut. The optical system includes a mirror located within a tubular casing arranged to be inserted within the glass tubing to be cut.

REFERENCES:
patent: 3157328 (1964-11-01), Hennings et al.
patent: 3406886 (1968-10-01), Wessel et al.
patent: 3543979 (1970-12-01), Grove et al.
patent: 3597578 (1971-08-01), Sullivan et al.
patent: 3755646 (1973-08-01), Muller
patent: 3772496 (1973-11-01), Harendza-Harinzma

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