Apparatus for and method of manufacturing brush seals

Details Apparatus for and method of manufacturing brush seals Apparatus for and method of manufacturing brush seals

1992-06-10

1993-10-05

Eley, Timothy V.

Brush, broom, and mop making

Brush-making machines

Work holders

29423, 300 21, B25B 120

Patent

active

RE0343986

ABSTRACT:
This invention provides an apparatus for and method of manufacturing a brush seal. The apparatus comprises an annular former 22 having a radially outer 24 and a radially inner 30 portion radially separated from each other by an amount G and held relative to each other by locating means 32, and further includes a travelling wire electro discharge machining device and a guide tube. A brush seal 10 is wound onto the former in the usual manner and the filament material 38 cut in the region of the gap G by the travelling wire 44. The wire is inserted between the filaments by first inserting a tube 52 therebetween and passing the wire 44 therethrough. Machining of the filament material is achieved by traversing the wire around the gap G.

REFERENCES:
patent: Re30206 (1980-02-01), Ferguson et al.
patent: 4274575 (1981-06-01), Flower
patent: 4642867 (1987-02-01), Hough et al.
patent: 4671113 (1987-06-01), Bridges et al.

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