Seal strip bending device for steam turbines

Details Seal strip bending device for steam turbines Seal strip bending device for steam turbines

1985-02-13

1986-07-08

Bray, W. D.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflectors arranged to bend work longitudinally of...

72166, B21D 514

Patent

active

045985650

ABSTRACT:
A seal strip bending device for changing the diameter of seal strips used for pressure sealing strips of a steam turbine. The seal strips have a substantially L-shaped cross-section. The device includes a frame which houses a first roller having a first groove therein and a second roller spaced a predetermined clearance from the first roller such that the L-shaped seal strip is pulled through the first and second means to contact an adjustable bending roller to increase or decrease the diameter of the seal strip as desired.

REFERENCES:
patent: 395488 (1889-01-01), Dale
patent: 469763 (1892-03-01), Williams
patent: 2093933 (1937-09-01), Sinclair
patent: 3842473 (1974-10-01), Couper

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