Method and apparatus for forming a micropipette with uniform app

Details Method and apparatus for forming a micropipette with uniform app Method and apparatus for forming a micropipette with uniform app

1989-07-10

1990-05-01

Kellogg, Arthur

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65102, 65105, 65112, 65270, 65271, 65283, C03B 2311

Patent

active

049215221

ABSTRACT:
The micropipette puller of this invention includes a pair of gripping jaws that pull a length of glass tubing in opposite directions. The source of heat is a laser device and a laser beam is directed against the glass tubing between the gripping jaws and beyond the tubing into a concave mirror, which reflects that portion of the beam that bypassed the tubing, back against the back side of the tubing for uniform heating around the circumference of the tubing.

REFERENCES:
patent: 3839005 (1974-10-01), Meyer
patent: 3920435 (1975-11-01), Curtis et al.
patent: 4045201 (1977-08-01), Caffarella et al.
patent: 4146380 (1979-03-01), Caffarella et al.
patent: 4530712 (1985-07-01), Kopf
patent: 4600424 (1986-07-01), Flaming

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