Manual glass lathe

Details Manual glass lathe Manual glass lathe

2005-10-25

2005-10-25

Griffin, Steven P. (Department: 1731)

Glass manufacturing

Means applying pneumatic pressure inside of discrete charge

C065S375000

Reexamination Certificate

active

06957552

ABSTRACT:
A manual glass lathe used for shaping and coloring clear glass tubes. The manual glass lathe, in the preferred embodiment, comprises a tubular handle, designed to be held in one hand, and a thumbwheel located towards the working end of the handle, and is used by a glass-blower to precisely control the spin of a glass workpiece and the proximity of the workpiece to a flame and to various shaping tools and/or fuming rods. The handle makes use of an interior arrangement of bearings and o-rings to center and hold the mandrel, and also comprises an inner sleeve used as an inertial weight to enhance spinning momentum. Also a method for using such a manual glass lathe to shape and fume glass workpieces.

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patent: 601898 (1898-04-01), McDonough et al.
patent: 1368552 (1921-02-01), Dickson
patent: 1948560 (1934-02-01), Borneman
patent: 2239055 (1941-04-01), Sawyer
patent: 2818683 (1958-01-01), Nieman et al.
patent: 3551128 (1970-12-01), Sawyer
patent: 3607204 (1971-09-01), Gilbertson
patent: 4082531 (1978-04-01), Kolleck
patent: 5803944 (1998-09-01), Domka

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